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File fuc-2.1.0.obscpio of Package fuc (Revision 7894e5631b953235973bdf4227a2b668)

Currently displaying revision 7894e5631b953235973bdf4227a2b668 , Show latest

07070100000000000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001200000000fuc-2.1.0/.github07070100000001000081A40000000000000000000000016614BE5700000013000000000000000000000000000000000000001E00000000fuc-2.1.0/.github/FUNDING.ymlgithub: SUPERCILEX
07070100000002000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001C00000000fuc-2.1.0/.github/workflows07070100000003000081A40000000000000000000000016614BE5700001205000000000000000000000000000000000000002400000000fuc-2.1.0/.github/workflows/cid.ymlname: CI/CD

on: [push, pull_request]

jobs:
  build:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Cargo Cache
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-build-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-cargo-
      - name: Build project
        run: cargo build --workspace --release

test:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Install Rust
        run: rustup component add rustfmt clippy
      - name: Cargo Cache
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-test-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-cargo-
      - name: Run tests
        run: cargo test --workspace

deploy_release:
    needs: [build, test]
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/')
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Publish release
        run: |
          cargo publish --package fuc_engine
          cargo publish --package rmz
          cargo publish --package cpz
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}

attach_binaries:
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: x86_64-unknown-linux-gnu
            os: ubuntu-latest
            tool: cargo
          - target: x86_64-unknown-linux-musl
            os: ubuntu-latest
            tool: cargo
          - target: aarch64-unknown-linux-gnu
            os: ubuntu-latest
            tool: RUSTFLAGS="-Ctarget-feature=-outline-atomics" cross
          - target: riscv64gc-unknown-linux-gnu
            os: ubuntu-latest
            tool: cross
          - target: x86_64-apple-darwin
            os: macos-latest
            tool: cargo
          - target: aarch64-apple-darwin
            os: macos-latest
            tool: cross
          - target: x86_64-pc-windows-msvc
            os: windows-latest
            tool: cargo
          - target: aarch64-pc-windows-msvc
            os: windows-latest
            tool: cross
    needs: [build, test]
    runs-on: ${{ matrix.os }}
    if: startsWith(github.ref, 'refs/tags/')
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Install Rust
        run: |
          rustup target add ${{ matrix.target }}
          rustup component add rust-src
      - name: Install cross
        if: contains(matrix.tool, 'cross')
        run: cargo install cross
      - name: Build binary
        run: ${{ matrix.tool }} build --workspace --release --locked --target=${{ matrix.target }} -Z build-std=std,panic_abort -Z build-std-features=panic_immediate_abort
      - name: Upload binary
        if: matrix.os != 'windows-latest'
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: target/${{ matrix.target }}/release/rmz
          asset_name: rmz-${{ matrix.target }}
          tag: ${{ github.ref }}
      - name: Upload binary
        if: matrix.os != 'windows-latest'
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: target/${{ matrix.target }}/release/cpz
          asset_name: cpz-${{ matrix.target }}
          tag: ${{ github.ref }}
      - name: Upload binary
        if: matrix.os == 'windows-latest'
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: target/${{ matrix.target }}/release/rmz.exe
          asset_name: rmz-${{ matrix.target }}.exe
          tag: ${{ github.ref }}
      - name: Upload binary
        if: matrix.os == 'windows-latest'
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: target/${{ matrix.target }}/release/cpz.exe
          asset_name: cpz-${{ matrix.target }}.exe
          tag: ${{ github.ref }}
07070100000004000081A40000000000000000000000016614BE5700000008000000000000000000000000000000000000001500000000fuc-2.1.0/.gitignore/target
07070100000005000081A40000000000000000000000016614BE570000DE83000000000000000000000000000000000000001500000000fuc-2.1.0/Cargo.lock# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3

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07070100000007000081A40000000000000000000000016614BE5700002C5E000000000000000000000000000000000000001200000000fuc-2.1.0/LICENSE
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07070100000008000081A40000000000000000000000016614BE5700000490000000000000000000000000000000000000001400000000fuc-2.1.0/README.md# Fast Unix Commands

[![cpz crates.io](https://img.shields.io/crates/v/cpz?label=cpz%20crates.io)](https://crates.io/crates/cpz)
[![rmz crates.io](https://img.shields.io/crates/v/rmz?label=rmz%20crates.io)](https://crates.io/crates/rmz)
[![Packaging status](https://repology.org/badge/tiny-repos/fuc.svg)](https://repology.org/project/fuc/badges)

The FUC-ing project provides modern unix commands focused on performance:

- [`cpz`](cpz)
- [`rmz`](rmz)

Benchmarks are available under the [`comparisons`](comparisons) folder.

## Goals

1. Performance: if a reasonable improvement can be made, it will be.
2. Efficiency: when only negligible performance improvements are left, remaining efforts are
   focussed on minimizing wasted compute.
3. Usability: where applicable, the UX of existing commands is improved.

## Non-goals

- Portability: FUCs are primarily targeted at modern Linux installations. Support for other
  platforms is provided on a best-efforts basis.
- Compatibility: [coreutils](https://github.com/coreutils/coreutils) or
  its [Rust re-implementation](https://github.com/uutils/coreutils) will have the broadest and most
  stable set of options.
07070100000009000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001600000000fuc-2.1.0/comparisons0707010000000A000081A40000000000000000000000016614BE570000A64F000000000000000000000000000000000000002000000000fuc-2.1.0/comparisons/README.md# Benchmarks

The benchmarks take several hours to run and create hundreds of millions of files. Run at your own
risk. :)

## Setup

Run all commands in the root of this repository.

```bash
cargo install hyperfine ftzz
cargo b --workspace --release
mkdir benches /tmp/empty
```

### My environment

- Linux: 5.14.0-162.18.1.el9_1.x86_64
- CPU: Intel i7-7700
- Memory: 15GiB
- `/dev/sda6 /tmp xfs rw,nosuid,nodev,relatime,attr2,inode64,logbufs=8,logbsize=32k,noquota 0 0`

> The macOS/Windows implementations are currently equivalent to the `*_rayon` implementations shown
> in the benchmarks.

## Remove

### Run

```bash
for num_bytes in {0,1G}; do
  for num_files in {10,10_000,100_000,1M}; do
    hyperfine --warmup 3 -N \
      --export-markdown "benches/remove_${num_files}_files_${num_bytes}_bytes.md" \
      --export-json "benches/remove_${num_files}_files_${num_bytes}_bytes.json" \
      --prepare "ftzz g -n ${num_files} -b ${num_bytes} /tmp/ftzz" \
        "rm -r /tmp/ftzz" \
        "find /tmp/ftzz -delete" \
        "rsync --delete -r /tmp/empty/ /tmp/ftzz" \
        "./target/release/rm_stdlib /tmp/ftzz" \
        "./target/release/rm_rayon /tmp/ftzz" \
        "./target/release/rm_remove_dir_all /tmp/ftzz" \
        "./target/release/rmz /tmp/ftzz"
  done

hyperfine --warmup 3 -N \
 --export-markdown "benches/remove_100_000_files_${num_bytes}_bytes_0_depth.md" \
 --export-json "benches/remove_100_000_files_${num_bytes}_bytes_0_depth.json" \
 --prepare "ftzz g -n 100_000 -b ${num_bytes} -d 0 /tmp/ftzz" \
 "rm -r /tmp/ftzz" \
 "find /tmp/ftzz -delete" \
 "rsync --delete -r /tmp/empty/ /tmp/ftzz" \
 "perl -e 'for(</tmp/ftzz/*>){unlink}'" \
 "./target/release/rm_stdlib /tmp/ftzz" \
 "./target/release/rm_rayon /tmp/ftzz" \
 "./target/release/rm_remove_dir_all /tmp/ftzz" \
 "./target/release/rmz /tmp/ftzz"

hyperfine --warmup 3 -N \
    --export-markdown "benches/remove_100_000_files_${num_bytes}_bytes_5_files_per_dir.md" \
    --export-json "benches/remove_100_000_files_${num_bytes}_bytes_5_files_per_dir.json" \
    --prepare "ftzz g -n 100_000 -b ${num_bytes} -r 5 /tmp/ftzz" \
      "rm -r /tmp/ftzz" \
      "find /tmp/ftzz -delete" \
      "rsync --delete -r /tmp/empty/ /tmp/ftzz" \
      "./target/release/rm_stdlib /tmp/ftzz" \
      "./target/release/rm_rayon /tmp/ftzz" \
      "./target/release/rm_remove_dir_all /tmp/ftzz" \
      "./target/release/rmz /tmp/ftzz"
done
```

### Results

#### `remove_1M_files_0_bytes.md`

| Command                                        |       Mean [s] | Min [s] | Max [s] | User [s] | System [s] |    Relative |
|:-----------------------------------------------|---------------:|--------:|--------:|---------:|-----------:|------------:|
| *`./target/release/rmz /tmp/ftzz`*             |  4.711 ± 0.649 |   4.208 |   6.099 |    0.535 |     18.650 |        1.00 |
| `./target/release/rm_rayon /tmp/ftzz`          |  5.689 ± 0.549 |   5.007 |   6.630 |    1.253 |     20.088 | 1.21 ± 0.20 |
| `./target/release/rm_stdlib /tmp/ftzz`         |  9.345 ± 0.063 |   9.282 |   9.457 |    0.377 |      8.708 | 1.98 ± 0.27 |
| `rm -r /tmp/ftzz`                              |  9.491 ± 0.059 |   9.444 |   9.650 |    0.465 |      8.768 | 2.01 ± 0.28 |
| `find /tmp/ftzz -delete`                       |  9.535 ± 0.051 |   9.434 |   9.620 |    0.485 |      8.804 | 2.02 ± 0.28 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz`      | 11.046 ± 0.049 |  10.989 |  11.120 |    0.911 |      9.914 | 2.34 ± 0.32 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` | 12.647 ± 0.088 |  12.532 |  12.758 |    1.376 |     10.950 | 2.68 ± 0.37 |

#### `remove_1M_files_1G_bytes.md`

| Command                                        |       Mean [s] | Min [s] | Max [s] | User [s] | System [s] |    Relative |
|:-----------------------------------------------|---------------:|--------:|--------:|---------:|-----------:|------------:|
| *`./target/release/rmz /tmp/ftzz`*             |  6.559 ± 0.463 |   5.977 |   7.689 |    0.556 |     28.872 |        1.00 |
| `./target/release/rm_rayon /tmp/ftzz`          |  7.765 ± 0.454 |   7.047 |   8.567 |    1.331 |     30.759 | 1.18 ± 0.11 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz`      | 18.924 ± 0.321 |  18.394 |  19.428 |    0.977 |     16.014 | 2.89 ± 0.21 |
| `./target/release/rm_stdlib /tmp/ftzz`         | 22.892 ± 0.885 |  21.842 |  24.252 |    0.451 |     17.758 | 3.49 ± 0.28 |
| `find /tmp/ftzz -delete`                       | 23.020 ± 0.755 |  21.342 |  23.911 |    0.601 |     17.805 | 3.51 ± 0.27 |
| `rm -r /tmp/ftzz`                              | 23.354 ± 0.990 |  21.777 |  24.772 |    0.563 |     17.907 | 3.56 ± 0.29 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` | 26.357 ± 0.758 |  24.981 |  27.640 |    1.505 |     20.445 | 4.02 ± 0.31 |

#### `remove_100_000_files_0_bytes.md`

| Command                                        |     Mean [ms] | Min [ms] | Max [ms] | User [ms] | System [ms] |    Relative |
|:-----------------------------------------------|--------------:|---------:|---------:|----------:|------------:|------------:|
| *`./target/release/rmz /tmp/ftzz`*             |  459.3 ± 96.0 |    369.7 |    583.3 |      65.2 |      1697.5 |        1.00 |
| `./target/release/rm_rayon /tmp/ftzz`          |  648.1 ± 94.7 |    535.5 |    811.3 |     158.6 |      2121.1 | 1.41 ± 0.36 |
| `./target/release/rm_stdlib /tmp/ftzz`         |  804.2 ± 19.5 |    777.9 |    848.2 |      42.5 |       723.3 | 1.75 ± 0.37 |
| `find /tmp/ftzz -delete`                       |  826.2 ± 22.6 |    796.3 |    853.0 |      55.3 |       728.1 | 1.80 ± 0.38 |
| `rm -r /tmp/ftzz`                              |  873.7 ± 54.2 |    813.7 |    968.5 |      53.2 |       744.3 | 1.90 ± 0.41 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz`      | 1012.7 ± 16.8 |    996.3 |   1045.1 |      96.1 |       846.1 | 2.21 ± 0.46 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` | 1132.0 ± 46.9 |   1099.2 |   1243.2 |     136.3 |       945.9 | 2.46 ± 0.53 |

#### `remove_100_000_files_0_bytes_0_depth.md`

| Command | Mean [ms] | Min [ms] | Max [ms] | User [ms] | System [ms] | Relative |
|:-----------------------------------------------|---------------:|---------:|---------:|----------:|------------:|------------:|
| *`./target/release/rmz /tmp/ftzz`* | 830.7 ± 21.7 | 805.1 | 863.2 | 31.6 | 769.5 | 1.00 |
| `./target/release/rm_stdlib /tmp/ftzz` | 833.8 ± 26.8 | 806.7 | 881.3 | 34.7 | 769.5 | 1.00 ± 0.04 |
| `rm -r /tmp/ftzz` | 847.1 ± 15.3 | 833.9 | 871.3 | 53.1 | 775.2 | 1.02 ± 0.03 |
| `find /tmp/ftzz -delete` | 849.7 ± 14.8 | 835.2 | 875.2 | 50.3 | 781.1 | 1.02 ± 0.03 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz` | 978.3 ± 24.4 | 954.3 | 1033.6 | 89.4 | 819.5 | 1.18 ± 0.04 |
| `perl -e 'for(</tmp/ftzz/*>){unlink}'` | 1070.0 ± 5.3 | 1063.0 | 1078.6 | 132.8 | 923.4 | 1.29 ± 0.03 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` | 1155.9 ± 42.9 | 1104.6 | 1256.0 | 124.8 | 984.6 | 1.39 ± 0.06 |
| `./target/release/rm_rayon /tmp/ftzz` | 1193.3 ± 307.0 | 1082.7 | 2066.6 | 102.5 | 2030.4 | 1.44 ± 0.37 |

#### `remove_100_000_files_0_bytes_5_files_per_dir.md`

| Command                                        |      Mean [s] | Min [s] | Max [s] | User [s] | System [s] |    Relative |
|:-----------------------------------------------|--------------:|--------:|--------:|---------:|-----------:|------------:|
| *`./target/release/rmz /tmp/ftzz`*             | 0.640 ± 0.189 |   0.445 |   0.950 |    0.145 |      2.228 |        1.00 |
| `./target/release/rm_rayon /tmp/ftzz`          | 0.784 ± 0.110 |   0.670 |   0.961 |    0.303 |      2.610 | 1.22 ± 0.40 |
| `./target/release/rm_stdlib /tmp/ftzz`         | 0.988 ± 0.057 |   0.940 |   1.117 |    0.091 |      0.832 | 1.54 ± 0.46 |
| `find /tmp/ftzz -delete`                       | 1.090 ± 0.021 |   1.056 |   1.136 |    0.164 |      0.883 | 1.70 ± 0.50 |
| `rm -r /tmp/ftzz`                              | 1.123 ± 0.013 |   1.098 |   1.141 |    0.153 |      0.921 | 1.75 ± 0.52 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz`      | 1.190 ± 0.020 |   1.168 |   1.238 |    0.168 |      0.956 | 1.86 ± 0.55 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` | 1.340 ± 0.031 |   1.304 |   1.405 |    0.224 |      1.045 | 2.09 ± 0.62 |

#### `remove_100_000_files_1G_bytes.md`

| Command                                        |      Mean [s] | Min [s] | Max [s] | User [s] | System [s] |    Relative |
|:-----------------------------------------------|--------------:|--------:|--------:|---------:|-----------:|------------:|
| *`./target/release/rmz /tmp/ftzz`*             | 0.558 ± 0.129 |   0.400 |   0.734 |    0.063 |      2.339 |        1.00 |
| `./target/release/rm_rayon /tmp/ftzz`          | 0.625 ± 0.116 |   0.535 |   0.934 |    0.141 |      2.450 | 1.12 ± 0.33 |
| `./target/release/rm_stdlib /tmp/ftzz`         | 1.104 ± 0.014 |   1.080 |   1.132 |    0.043 |      1.020 | 1.98 ± 0.46 |
| `find /tmp/ftzz -delete`                       | 1.128 ± 0.016 |   1.110 |   1.155 |    0.054 |      1.027 | 2.02 ± 0.47 |
| `rm -r /tmp/ftzz`                              | 1.129 ± 0.008 |   1.117 |   1.142 |    0.054 |      1.035 | 2.02 ± 0.47 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz`      | 1.311 ± 0.005 |   1.301 |   1.317 |    0.098 |      1.138 | 2.35 ± 0.54 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` | 1.454 ± 0.014 |   1.434 |   1.478 |    0.143 |      1.261 | 2.60 ± 0.60 |

#### `remove_100_000_files_1G_bytes_0_depth.md`

| Command | Mean [s] | Min [s] | Max [s] | User [s] | System [s] | Relative |
|:-----------------------------------------------|--------------:|--------:|--------:|---------:|-----------:|------------:|
| `./target/release/rm_rayon /tmp/ftzz` | 1.087 ± 0.005 | 1.081 | 1.097 | 0.092 | 2.516 | 1.00 |
| *`./target/release/rmz /tmp/ftzz`* | 1.115 ± 0.025 | 1.090 | 1.173 | 0.028 | 1.048 | 1.03 ± 0.02 |
| `./target/release/rm_stdlib /tmp/ftzz` | 1.124 ± 0.038 | 1.094 | 1.208 | 0.034 | 1.044 | 1.03 ± 0.04 |
| `rm -r /tmp/ftzz` | 1.129 ± 0.017 | 1.102 | 1.158 | 0.052 | 1.046 | 1.04 ± 0.02 |
| `find /tmp/ftzz -delete` | 1.137 ± 0.011 | 1.120 | 1.156 | 0.057 | 1.048 | 1.05 ± 0.01 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz` | 1.251 ± 0.019 | 1.235 | 1.301 | 0.087 | 1.093 | 1.15 ± 0.02 |
| `perl -e 'for(</tmp/ftzz/*>){unlink}'` | 1.354 ± 0.008 | 1.342 | 1.367 | 0.130 | 1.192 | 1.24 ± 0.01 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` | 1.470 ± 0.031 | 1.438 | 1.537 | 0.127 | 1.285 | 1.35 ± 0.03 |

#### `remove_100_000_files_1G_bytes_5_files_per_dir.md`

| Command                                        |      Mean [s] | Min [s] | Max [s] | User [s] | System [s] |    Relative |
|:-----------------------------------------------|--------------:|--------:|--------:|---------:|-----------:|------------:|
| *`./target/release/rmz /tmp/ftzz`*             | 0.508 ± 0.034 |   0.483 |   0.600 |    0.115 |      2.352 |        1.00 |
| `./target/release/rm_rayon /tmp/ftzz`          | 0.683 ± 0.059 |   0.599 |   0.779 |    0.261 |      2.828 | 1.34 ± 0.15 |
| `./target/release/rm_stdlib /tmp/ftzz`         | 1.246 ± 0.033 |   1.209 |   1.327 |    0.102 |      1.082 | 2.45 ± 0.18 |
| `find /tmp/ftzz -delete`                       | 1.387 ± 0.034 |   1.354 |   1.462 |    0.169 |      1.159 | 2.73 ± 0.19 |
| `rm -r /tmp/ftzz`                              | 1.402 ± 0.023 |   1.372 |   1.451 |    0.163 |      1.182 | 2.76 ± 0.19 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz`      | 1.485 ± 0.012 |   1.460 |   1.501 |    0.168 |      1.237 | 2.92 ± 0.20 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` | 1.632 ± 0.026 |   1.598 |   1.689 |    0.230 |      1.338 | 3.21 ± 0.22 |

#### `remove_10_000_files_0_bytes.md`

| Command                                        |   Mean [ms] | Min [ms] | Max [ms] | User [ms] | System [ms] |    Relative |
|:-----------------------------------------------|------------:|---------:|---------:|----------:|------------:|------------:|
| *`./target/release/rmz /tmp/ftzz`*             |  33.9 ± 1.1 |     32.1 |     36.3 |       9.2 |       145.0 |        1.00 |
| `./target/release/rm_rayon /tmp/ftzz`          |  40.1 ± 2.3 |     37.2 |     48.1 |      18.6 |       160.0 | 1.18 ± 0.08 |
| `./target/release/rm_stdlib /tmp/ftzz`         |  77.2 ± 1.3 |     75.3 |     80.0 |       7.2 |        68.4 | 2.28 ± 0.08 |
| `find /tmp/ftzz -delete`                       |  85.4 ± 1.3 |     84.0 |     88.5 |      10.1 |        73.0 | 2.52 ± 0.09 |
| `rm -r /tmp/ftzz`                              |  86.1 ± 1.5 |     84.8 |     89.2 |      11.3 |        73.0 | 2.54 ± 0.09 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` | 110.8 ± 1.5 |    109.1 |    113.8 |      18.2 |        90.2 | 3.27 ± 0.12 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz`      | 138.6 ± 1.3 |    136.8 |    143.0 |      14.1 |        83.7 | 4.09 ± 0.14 |

#### `remove_10_000_files_1G_bytes.md`

| Command                                        |   Mean [ms] | Min [ms] | Max [ms] | User [ms] | System [ms] |    Relative |
|:-----------------------------------------------|------------:|---------:|---------:|----------:|------------:|------------:|
| *`./target/release/rmz /tmp/ftzz`*             |  45.4 ± 1.8 |     43.7 |     50.0 |       7.3 |       297.6 |        1.00 |
| `./target/release/rm_rayon /tmp/ftzz`          |  51.6 ± 1.2 |     50.0 |     53.8 |      18.6 |       310.4 | 1.14 ± 0.05 |
| `./target/release/rm_stdlib /tmp/ftzz`         | 171.2 ± 1.5 |    168.9 |    173.8 |       5.5 |       162.0 | 3.77 ± 0.15 |
| `find /tmp/ftzz -delete`                       | 179.9 ± 0.9 |    178.7 |    181.4 |      12.2 |       163.8 | 3.96 ± 0.16 |
| `rm -r /tmp/ftzz`                              | 181.5 ± 1.3 |    180.1 |    184.6 |      12.4 |       165.4 | 4.00 ± 0.16 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` | 208.0 ± 1.5 |    206.0 |    209.9 |      17.3 |       186.1 | 4.58 ± 0.19 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz`      | 233.8 ± 0.9 |    232.5 |    235.1 |      14.4 |       176.7 | 5.15 ± 0.21 |

#### `remove_10_files_0_bytes.md`

| Command                                        |  Mean [ms] | Min [ms] | Max [ms] | User [ms] | System [ms] |     Relative |
|:-----------------------------------------------|-----------:|---------:|---------:|----------:|------------:|-------------:|
| *`./target/release/rmz /tmp/ftzz`*             |  1.1 ± 0.1 |      1.0 |      1.4 |       0.6 |         1.6 |         1.00 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` |  1.3 ± 0.0 |      1.2 |      1.4 |       0.4 |         0.8 |  1.18 ± 0.07 |
| `./target/release/rm_rayon /tmp/ftzz`          |  1.5 ± 0.4 |      1.2 |      3.5 |       1.2 |         2.9 |  1.39 ± 0.34 |
| `./target/release/rm_stdlib /tmp/ftzz`         |  2.8 ± 0.1 |      2.5 |      3.2 |       0.7 |         1.9 |  2.53 ± 0.16 |
| `rm -r /tmp/ftzz`                              |  3.5 ± 0.1 |      3.3 |      3.7 |       1.0 |         2.3 |  3.25 ± 0.20 |
| `find /tmp/ftzz -delete`                       |  4.2 ± 0.3 |      3.5 |      4.8 |       1.0 |         2.6 |  3.85 ± 0.38 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz`      | 46.8 ± 0.1 |     46.5 |     47.0 |       2.4 |         5.1 | 42.89 ± 2.40 |

#### `remove_10_files_1G_bytes.md`

| Command                                        |  Mean [ms] | Min [ms] | Max [ms] | User [ms] | System [ms] |    Relative |
|:-----------------------------------------------|-----------:|---------:|---------:|----------:|------------:|------------:|
| `./target/release/rm_rayon /tmp/ftzz`          | 15.9 ± 1.1 |     14.1 |     17.7 |       1.0 |        69.2 |        1.00 |
| *`./target/release/rmz /tmp/ftzz`*             | 17.3 ± 0.6 |     16.2 |     18.3 |       0.7 |        61.5 | 1.09 ± 0.08 |
| `./target/release/rm_stdlib /tmp/ftzz`         | 48.4 ± 0.3 |     47.4 |     49.1 |       0.3 |        47.4 | 3.04 ± 0.20 |
| `./target/release/rm_remove_dir_all /tmp/ftzz` | 48.5 ± 0.3 |     47.5 |     48.8 |       0.3 |        47.6 | 3.05 ± 0.20 |
| `rm -r /tmp/ftzz`                              | 49.0 ± 1.9 |     48.0 |     57.7 |       0.5 |        47.7 | 3.08 ± 0.24 |
| `find /tmp/ftzz -delete`                       | 51.2 ± 8.9 |     48.9 |     91.1 |       0.3 |        48.0 | 3.22 ± 0.60 |
| `rsync --delete -r /tmp/empty/ /tmp/ftzz`      | 90.3 ± 0.2 |     90.0 |     90.8 |       1.5 |        48.5 | 5.68 ± 0.38 |

## Copy

### Setup

```bash
cargo install fcp xcp
git clone https://github.com/wheybags/wcp.git && mkdir wcp/build && (cd wcp/build && cmake .. -DCMAKE_BUILD_TYPE=Release && make)
```

### Run

```bash
for num_bytes in {0,1G}; do
  for num_files in {10,10_000,100_000,1M}; do
    hyperfine --warmup 3 -N \
      --export-markdown "benches/copy_${num_files}_files_${num_bytes}_bytes.md" \
      --export-json "benches/copy_${num_files}_files_${num_bytes}_bytes.json" \
      --setup "ftzz g -n ${num_files} -b ${num_bytes} /tmp/ftzz" \
      --prepare "rm -rf /tmp/ftzzz" --cleanup "rm -r /tmp/ftzz" \
        "cp -r /tmp/ftzz /tmp/ftzzz" \
        "fcp /tmp/ftzz /tmp/ftzzz" \
        "xcp -r /tmp/ftzz /tmp/ftzzz" \
        "./wcp/build/wcp /tmp/ftzz /tmp/ftzzz" \
        "rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz" \
        "sh -c '(cd /tmp/ftzz; tar cf - .) | (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'" \
        "./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz" \
        "./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz" \
        "./target/release/cpz /tmp/ftzz /tmp/ftzzz"
  done

hyperfine --warmup 3 -N \
    --export-markdown "benches/copy_100_000_files_${num_bytes}_bytes_0_depth.md" \
    --export-json "benches/copy_100_000_files_${num_bytes}_bytes_0_depth.json" \
    --setup "ftzz g -n 100_000 -b ${num_bytes} -d 0 /tmp/ftzz" \
    --prepare "rm -rf /tmp/ftzzz" --cleanup "rm -r /tmp/ftzz" \
      "cp -r /tmp/ftzz /tmp/ftzzz" \
      "fcp /tmp/ftzz /tmp/ftzzz" \
      "xcp -r /tmp/ftzz /tmp/ftzzz" \
      "./wcp/build/wcp /tmp/ftzz /tmp/ftzzz" \
      "rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz" \
      "sh -c '(cd /tmp/ftzz; tar cf - .) | (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'" \
      "./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz" \
      "./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz" \
      "./target/release/cpz /tmp/ftzz /tmp/ftzzz"

hyperfine --warmup 3 -N \
    --export-markdown "benches/copy_100_000_files_${num_bytes}_bytes_5_files_per_dir.md" \
    --export-json "benches/copy_100_000_files_${num_bytes}_bytes_5_files_per_dir.json" \
    --setup "ftzz g -n 100_000 -b ${num_bytes} -r 5 /tmp/ftzz" \
    --prepare "rm -rf /tmp/ftzzz" --cleanup "rm -r /tmp/ftzz" \
      "cp -r /tmp/ftzz /tmp/ftzzz" \
      "fcp /tmp/ftzz /tmp/ftzzz" \
      "xcp -r /tmp/ftzz /tmp/ftzzz" \
      "./wcp/build/wcp /tmp/ftzz /tmp/ftzzz" \
      "rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz" \
      "sh -c '(cd /tmp/ftzz; tar cf - .) | (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'" \
      "./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz" \
      "./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz" \
      "./target/release/cpz /tmp/ftzz /tmp/ftzzz"
done

hyperfine --warmup 3 -N \
  --export-markdown "benches/copy_100_000_files_1G_bytes_0_depth_0_entropy.md" \
  --export-json "benches/copy_100_000_files_1G_bytes_0_depth_0_entropy.json" \
  --setup "ftzz g -n 100_000 -b 1G -d 0 --fill-byte 0 /tmp/ftzz" \
  --prepare "rm -rf /tmp/ftzzz" --cleanup "rm -r /tmp/ftzz" \
    "cp -r /tmp/ftzz /tmp/ftzzz" \
    "fcp /tmp/ftzz /tmp/ftzzz" \
    "xcp -r /tmp/ftzz /tmp/ftzzz" \
    "./wcp/build/wcp /tmp/ftzz /tmp/ftzzz" \
    "rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz" \
    "sh -c '(cd /tmp/ftzz; tar cf - .) | (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'" \
    "./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz" \
    "./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz" \
    "./target/release/cpz /tmp/ftzz /tmp/ftzzz"
```

### Results

#### `copy_1M_files_0_bytes.md`

| Command                                                                             |       Mean [s] | Min [s] | Max [s] | User [s] | System [s] |    Relative |
|:------------------------------------------------------------------------------------|---------------:|--------:|--------:|---------:|-----------:|------------:|
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       |  5.076 ± 0.976 |   4.283 |   6.700 |    2.769 |     23.713 |        1.00 |
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    |  5.854 ± 0.310 |   5.542 |   6.429 |    5.287 |     29.890 | 1.15 ± 0.23 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          | 11.801 ± 0.085 |  11.727 |  11.993 |    5.376 |     59.341 | 2.33 ± 0.45 |
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       | 11.829 ± 0.066 |  11.733 |  11.920 |    5.420 |     39.040 | 2.33 ± 0.45 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` | 15.019 ± 0.079 |  14.915 |  15.131 |    3.893 |     14.808 | 2.96 ± 0.57 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        | 18.436 ± 0.097 |  18.313 |  18.622 |    2.836 |     15.261 | 3.63 ± 0.70 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   | 19.496 ± 0.090 |  19.346 |  19.609 |    3.217 |     15.928 | 3.84 ± 0.74 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 28.195 ± 0.159 |  27.929 |  28.439 |    6.635 |     23.035 | 5.55 ± 1.07 |

#### `copy_1M_files_1G_bytes.md`

| Command                                                                             |       Mean [s] | Min [s] | Max [s] | User [s] | System [s] |     Relative |
|:------------------------------------------------------------------------------------|---------------:|--------:|--------:|---------:|-----------:|-------------:|
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       |  7.593 ± 0.735 |   7.141 |   9.648 |    3.151 |     40.109 |         1.00 |
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    |  8.827 ± 0.796 |   8.104 |  10.143 |    5.482 |     46.376 |  1.16 ± 0.15 |
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       | 13.374 ± 0.149 |  13.103 |  13.559 |    6.218 |     46.409 |  1.76 ± 0.17 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          | 13.459 ± 0.087 |  13.349 |  13.636 |    5.837 |     68.041 |  1.77 ± 0.17 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` | 23.669 ± 1.371 |  21.564 |  25.593 |    5.858 |     22.336 |  3.12 ± 0.35 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        | 28.173 ± 0.091 |  28.047 |  28.343 |    2.950 |     24.495 |  3.71 ± 0.36 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   | 28.945 ± 0.121 |  28.744 |  29.084 |    3.394 |     24.931 |  3.81 ± 0.37 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 89.173 ± 1.821 |  87.317 |  94.034 |   12.557 |     55.997 | 11.74 ± 1.16 |

#### `copy_100_000_files_0_bytes.md`

| Command                                                                             |      Mean [s] | Min [s] | Max [s] | User [s] | System [s] |    Relative |
|:------------------------------------------------------------------------------------|--------------:|--------:|--------:|---------:|-----------:|------------:|
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       | 0.379 ± 0.009 |   0.373 |   0.397 |    0.261 |      1.910 |        1.00 |
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    | 0.487 ± 0.018 |   0.471 |   0.535 |    0.513 |      2.604 | 1.28 ± 0.06 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          | 0.597 ± 0.016 |   0.581 |   0.629 |    0.554 |      3.073 | 1.57 ± 0.05 |
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       | 0.957 ± 0.015 |   0.939 |   0.982 |    0.529 |      3.295 | 2.52 ± 0.07 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` | 1.302 ± 0.022 |   1.277 |   1.332 |    0.389 |      1.274 | 3.43 ± 0.10 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        | 1.632 ± 0.023 |   1.611 |   1.682 |    0.277 |      1.323 | 4.30 ± 0.11 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   | 1.730 ± 0.009 |   1.719 |   1.750 |    0.308 |      1.389 | 4.56 ± 0.11 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 2.838 ± 0.019 |   2.803 |   2.864 |    0.638 |      2.141 | 7.49 ± 0.18 |

#### `copy_100_000_files_0_bytes_0_depth.md`

| Command                                                                             |      Mean [s] | Min [s] | Max [s] | User [s] | System [s] |    Relative |
|:------------------------------------------------------------------------------------|--------------:|--------:|--------:|---------:|-----------:|------------:|
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       | 1.133 ± 0.014 |   1.109 |   1.161 |    0.474 |      3.606 |        1.00 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          | 1.260 ± 0.010 |   1.247 |   1.280 |    0.412 |      6.386 | 1.11 ± 0.02 |
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    | 1.270 ± 0.010 |   1.256 |   1.287 |    0.390 |      6.620 | 1.12 ± 0.02 |
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       | 1.365 ± 0.005 |   1.357 |   1.373 |    0.167 |      1.171 | 1.20 ± 0.02 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` | 1.406 ± 0.012 |   1.389 |   1.428 |    0.339 |      1.394 | 1.24 ± 0.02 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        | 1.618 ± 0.012 |   1.594 |   1.636 |    0.255 |      1.335 | 1.43 ± 0.02 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   | 1.735 ± 0.008 |   1.725 |   1.751 |    0.287 |      1.418 | 1.53 ± 0.02 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 2.157 ± 0.030 |   2.117 |   2.216 |    0.581 |      2.057 | 1.90 ± 0.04 |

#### `copy_100_000_files_0_bytes_5_files_per_dir.md`

| Command                                                                             |      Mean [s] | Min [s] | Max [s] | User [s] | System [s] |    Relative |
|:------------------------------------------------------------------------------------|--------------:|--------:|--------:|---------:|-----------:|------------:|
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       | 0.413 ± 0.013 |   0.404 |   0.440 |    0.318 |      2.214 |        1.00 |
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    | 0.493 ± 0.008 |   0.484 |   0.509 |    0.576 |      2.661 | 1.19 ± 0.04 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          | 0.505 ± 0.009 |   0.496 |   0.523 |    0.672 |      2.700 | 1.22 ± 0.05 |
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       | 0.844 ± 0.033 |   0.804 |   0.897 |    0.723 |      2.841 | 2.04 ± 0.10 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` | 1.319 ± 0.018 |   1.297 |   1.350 |    0.463 |      1.371 | 3.19 ± 0.11 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        | 1.737 ± 0.008 |   1.729 |   1.757 |    0.318 |      1.385 | 4.20 ± 0.14 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   | 1.791 ± 0.012 |   1.767 |   1.805 |    0.336 |      1.419 | 4.33 ± 0.14 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 3.028 ± 0.023 |   2.991 |   3.064 |    0.787 |      2.217 | 7.33 ± 0.24 |

#### `copy_100_000_files_1G_bytes.md`

| Command                                                                             |       Mean [s] | Min [s] | Max [s] | User [s] | System [s] |     Relative |
|:------------------------------------------------------------------------------------|---------------:|--------:|--------:|---------:|-----------:|-------------:|
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       |  0.711 ± 0.129 |   0.618 |   1.064 |    0.317 |      3.421 |         1.00 |
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    |  0.819 ± 0.042 |   0.763 |   0.878 |    0.551 |      4.251 |  1.15 ± 0.22 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          |  0.858 ± 0.030 |   0.811 |   0.897 |    0.591 |      4.541 |  1.21 ± 0.22 |
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       |  1.110 ± 0.016 |   1.079 |   1.129 |    0.610 |      3.930 |  1.56 ± 0.28 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` |  2.437 ± 0.061 |   2.377 |   2.565 |    0.726 |      2.784 |  3.43 ± 0.63 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        |  2.453 ± 0.016 |   2.430 |   2.478 |    0.289 |      2.108 |  3.45 ± 0.63 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   |  2.550 ± 0.029 |   2.513 |   2.616 |    0.331 |      2.161 |  3.59 ± 0.65 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 10.653 ± 0.120 |  10.454 |  10.842 |    4.030 |      6.585 | 14.99 ± 2.73 |

#### `copy_100_000_files_1G_bytes_0_depth.md`

| Command                                                                             |      Mean [s] | Min [s] | Max [s] | User [s] | System [s] |    Relative |
|:------------------------------------------------------------------------------------|--------------:|--------:|--------:|---------:|-----------:|------------:|
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       | 1.209 ± 0.020 |   1.181 |   1.244 |    0.524 |      4.290 |        1.00 |
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    | 1.340 ± 0.005 |   1.334 |   1.350 |    0.402 |      6.999 | 1.11 ± 0.02 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          | 1.358 ± 0.015 |   1.338 |   1.391 |    0.432 |      6.779 | 1.12 ± 0.02 |
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       | 2.080 ± 0.012 |   2.064 |   2.099 |    0.206 |      1.820 | 1.72 ± 0.03 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   | 2.371 ± 0.020 |   2.348 |   2.408 |    0.288 |      2.030 | 1.96 ± 0.04 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` | 2.422 ± 0.026 |   2.386 |   2.477 |    0.638 |      2.749 | 2.00 ± 0.04 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        | 2.464 ± 0.037 |   2.432 |   2.541 |    0.268 |      2.133 | 2.04 ± 0.05 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 9.292 ± 0.080 |   9.164 |   9.382 |    3.508 |      5.456 | 7.69 ± 0.14 |

#### `copy_100_000_files_1G_bytes_0_depth_0_entropy.md`

| Command                                                                             |      Mean [s] | Min [s] | Max [s] | User [s] | System [s] |    Relative |
|:------------------------------------------------------------------------------------|--------------:|--------:|--------:|---------:|-----------:|------------:|
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       | 1.200 ± 0.018 |   1.178 |   1.230 |    0.539 |      4.253 |        1.00 |
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    | 1.346 ± 0.010 |   1.332 |   1.361 |    0.407 |      7.095 | 1.12 ± 0.02 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          | 1.409 ± 0.033 |   1.345 |   1.451 |    0.448 |      6.888 | 1.17 ± 0.03 |
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       | 2.086 ± 0.015 |   2.057 |   2.104 |    0.212 |      1.819 | 1.74 ± 0.03 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        | 2.331 ± 0.019 |   2.308 |   2.366 |    0.275 |      2.004 | 1.94 ± 0.03 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   | 2.364 ± 0.008 |   2.356 |   2.380 |    0.296 |      2.013 | 1.97 ± 0.03 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` | 2.406 ± 0.034 |   2.366 |   2.488 |    0.628 |      2.734 | 2.00 ± 0.04 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 9.245 ± 0.059 |   9.144 |   9.332 |    3.526 |      5.482 | 7.70 ± 0.13 |

#### `copy_100_000_files_1G_bytes_5_files_per_dir.md`

| Command                                                                             |      Mean [s] | Min [s] | Max [s] | User [s] | System [s] |     Relative |
|:------------------------------------------------------------------------------------|--------------:|--------:|--------:|---------:|-----------:|-------------:|
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    | 0.733 ± 0.028 |   0.714 |   0.812 |    0.598 |      3.970 |         1.00 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          | 0.766 ± 0.027 |   0.742 |   0.826 |    0.695 |      4.110 |  1.05 ± 0.05 |
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       | 0.775 ± 0.063 |   0.691 |   0.880 |    0.385 |      3.810 |  1.06 ± 0.10 |
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       | 1.050 ± 0.025 |   1.021 |   1.094 |    0.745 |      3.788 |  1.43 ± 0.07 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` | 2.359 ± 0.033 |   2.324 |   2.406 |    0.771 |      2.752 |  3.22 ± 0.13 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        | 2.506 ± 0.017 |   2.480 |   2.526 |    0.338 |      2.110 |  3.42 ± 0.13 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   | 2.540 ± 0.018 |   2.501 |   2.559 |    0.366 |      2.116 |  3.46 ± 0.14 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 9.930 ± 0.168 |   9.748 |  10.341 |    4.235 |      6.487 | 13.54 ± 0.57 |

#### `copy_10_000_files_0_bytes.md`

| Command                                                                             |   Mean [ms] | Min [ms] | Max [ms] | User [ms] | System [ms] |    Relative |
|:------------------------------------------------------------------------------------|------------:|---------:|---------:|----------:|------------:|------------:|
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       |  33.6 ± 0.4 |     33.1 |     34.7 |      28.8 |       186.4 |        1.00 |
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    |  43.7 ± 0.5 |     42.9 |     45.3 |      55.6 |       243.4 | 1.30 ± 0.02 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          |  45.7 ± 0.7 |     44.9 |     48.0 |      61.5 |       249.9 | 1.36 ± 0.03 |
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       |  78.2 ± 5.3 |     71.6 |     96.4 |      59.0 |       271.6 | 2.33 ± 0.16 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` | 119.5 ± 1.7 |    116.7 |    122.6 |      44.7 |       118.7 | 3.55 ± 0.07 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        | 159.8 ± 2.5 |    156.7 |    164.3 |      29.7 |       126.2 | 4.75 ± 0.09 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   | 164.0 ± 1.5 |    162.2 |    167.9 |      31.2 |       129.0 | 4.87 ± 0.07 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 321.1 ± 3.0 |    316.5 |    324.9 |      73.3 |       208.2 | 9.55 ± 0.15 |

#### `copy_10_000_files_1G_bytes.md`

| Command                                                                             |     Mean [ms] | Min [ms] | Max [ms] | User [ms] | System [ms] |     Relative |
|:------------------------------------------------------------------------------------|--------------:|---------:|---------:|----------:|------------:|-------------:|
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       |    55.0 ± 2.9 |     52.0 |     59.7 |      34.0 |       313.3 |         1.00 |
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    |    66.2 ± 3.7 |     62.9 |     72.7 |      55.6 |       374.0 |  1.20 ± 0.09 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          |    67.9 ± 4.0 |     63.7 |     75.4 |      63.6 |       380.9 |  1.23 ± 0.10 |
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       |  142.2 ± 44.9 |     93.2 |    197.6 |      72.8 |       379.1 |  2.59 ± 0.83 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        |   231.3 ± 2.5 |    228.8 |    235.2 |      30.9 |       194.4 |  4.21 ± 0.23 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   |   234.7 ± 2.7 |    231.4 |    240.0 |      36.0 |       192.6 |  4.27 ± 0.23 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` |   676.7 ± 4.2 |    670.8 |    683.0 |     185.0 |       915.5 | 12.31 ± 0.66 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 2572.6 ± 26.8 |   2535.0 |   2626.5 |    2714.9 |      1197.5 | 46.78 ± 2.55 |

#### `copy_10_files_0_bytes.md`

| Command                                                                             |  Mean [ms] | Min [ms] | Max [ms] | User [ms] | System [ms] |     Relative |
|:------------------------------------------------------------------------------------|-----------:|---------:|---------:|----------:|------------:|-------------:|
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    |  2.7 ± 0.3 |      2.3 |      3.7 |       2.3 |         5.2 |         1.00 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   |  2.7 ± 0.1 |      2.6 |      3.3 |       0.7 |         1.8 |  1.01 ± 0.11 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          |  2.8 ± 0.1 |      2.5 |      3.2 |       2.2 |         5.4 |  1.03 ± 0.13 |
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       |  2.9 ± 0.2 |      2.6 |      3.5 |       1.4 |         4.8 |  1.08 ± 0.14 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        |  3.4 ± 0.4 |      3.0 |      4.0 |       0.9 |         2.3 |  1.26 ± 0.20 |
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       |  3.6 ± 0.4 |      3.2 |      4.6 |       1.7 |         3.2 |  1.33 ± 0.21 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` |  9.6 ± 1.4 |      6.7 |     10.9 |       6.6 |         7.8 |  3.56 ± 0.64 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 47.7 ± 0.1 |     47.2 |     48.0 |       3.2 |         5.7 | 17.77 ± 1.96 |

#### `copy_10_files_1G_bytes.md`

| Command                                                                             |    Mean [ms] | Min [ms] | Max [ms] | User [ms] | System [ms] |       Relative |
|:------------------------------------------------------------------------------------|-------------:|---------:|---------:|----------:|------------:|---------------:|
| *`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*                                       |    1.3 ± 0.2 |      1.1 |      2.2 |       0.8 |         2.1 |           1.00 |
| `fcp /tmp/ftzz /tmp/ftzzz`                                                          |    1.5 ± 0.1 |      1.3 |      1.9 |       1.1 |         3.1 |    1.11 ± 0.15 |
| `./target/release/cp_rayon /tmp/ftzz /tmp/ftzzz`                                    |    1.9 ± 0.2 |      1.5 |      7.6 |       1.4 |         3.9 |    1.39 ± 0.23 |
| `cp -r /tmp/ftzz /tmp/ftzzz`                                                        |    1.9 ± 0.4 |      1.6 |      2.7 |       0.5 |         1.3 |    1.40 ± 0.31 |
| `./target/release/cp_stdlib /tmp/ftzz /tmp/ftzzz`                                   |    3.0 ± 0.1 |      2.8 |      3.2 |       0.7 |         2.1 |    2.23 ± 0.26 |
| `xcp -r /tmp/ftzz /tmp/ftzzz`                                                       |    3.4 ± 0.4 |      2.7 |     11.4 |       1.8 |         3.6 |    2.55 ± 0.40 |
| `sh -c '(cd /tmp/ftzz; tar cf - .) \| (mkdir /tmp/ftzzz; cd /tmp/ftzzz; tar xf -)'` | 304.3 ± 14.9 |    297.9 |    346.4 |      83.4 |       449.5 | 225.47 ± 27.89 |
| `rsync -rlp --inplace /tmp/ftzz /tmp/ftzzz`                                         | 1042.4 ± 1.7 |   1040.5 |   1045.6 |    1529.1 |       350.0 | 772.37 ± 87.80 |
0707010000000B000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001F00000000fuc-2.1.0/comparisons/cp_rayon0707010000000C000081A40000000000000000000000016614BE5700000078000000000000000000000000000000000000002A00000000fuc-2.1.0/comparisons/cp_rayon/Cargo.toml[package]
name = "cp_rayon"
version = "0.0.0"
edition.workspace = true
publish = false

[dependencies]
rayon = "1.10.0"
0707010000000D000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002300000000fuc-2.1.0/comparisons/cp_rayon/src0707010000000E000081A40000000000000000000000016614BE5700000289000000000000000000000000000000000000002A00000000fuc-2.1.0/comparisons/cp_rayon/src/lib.rs#![allow(clippy::pedantic)]

use std::{fs, io, path::Path};

use rayon::prelude::*;

pub fn copy_dir<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> Result<(), io::Error> {
 let to = to.as_ref();
 fs::create_dir(to)?;
 from.as_ref()
 .read_dir()?
 .par_bridge()
 .try_for_each(|dir_entry| -> io::Result<()> {
 let dir_entry = dir_entry?;
 let to = to.join(dir_entry.file_name());
 if dir_entry.file_type()?.is_dir() {
 copy_dir(dir_entry.path(), to)?;
 } else {
 fs::copy(dir_entry.path(), to)?;
 }
 Ok(())
 })
}
0707010000000F000081A40000000000000000000000016614BE5700000095000000000000000000000000000000000000002B00000000fuc-2.1.0/comparisons/cp_rayon/src/main.rsuse std::env;

fn main() {
    let mut args = env::args_os().skip(1);
    cp_rayon::copy_dir(args.next().unwrap(), args.next().unwrap()).unwrap();
}
07070100000010000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002000000000fuc-2.1.0/comparisons/cp_stdlib07070100000011000081A40000000000000000000000016614BE5700000058000000000000000000000000000000000000002B00000000fuc-2.1.0/comparisons/cp_stdlib/Cargo.toml[package]
name = "cp_stdlib"
version = "0.0.0"
edition.workspace = true
publish = false
07070100000012000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002400000000fuc-2.1.0/comparisons/cp_stdlib/src07070100000013000081A40000000000000000000000016614BE570000025B000000000000000000000000000000000000002B00000000fuc-2.1.0/comparisons/cp_stdlib/src/lib.rs#![allow(clippy::pedantic)]

use std::{fs, io, path::Path};

pub fn copy_dir<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> Result<(), io::Error> {
 let to = to.as_ref();
 fs::create_dir(to)?;
 from.as_ref()
 .read_dir()?
 .try_for_each(|dir_entry| -> io::Result<()> {
 let dir_entry = dir_entry?;
 let to = to.join(dir_entry.file_name());
 if dir_entry.file_type()?.is_dir() {
 copy_dir(dir_entry.path(), to)?;
 } else {
 fs::copy(dir_entry.path(), to)?;
 }
 Ok(())
 })
}
07070100000014000081A40000000000000000000000016614BE5700000096000000000000000000000000000000000000002C00000000fuc-2.1.0/comparisons/cp_stdlib/src/main.rsuse std::env;

fn main() {
    let mut args = env::args_os().skip(1);
    cp_stdlib::copy_dir(args.next().unwrap(), args.next().unwrap()).unwrap();
}
07070100000015000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002300000000fuc-2.1.0/comparisons/rm_og_crappy07070100000016000081A40000000000000000000000016614BE57000000B0000000000000000000000000000000000000002E00000000fuc-2.1.0/comparisons/rm_og_crappy/Cargo.toml[package]
name = "rm_og_crappy"
version = "0.0.0"
edition.workspace = true
publish = false

[dependencies]
futures = "0.3.30"
tokio = { version = "1.37.0", features = ["rt"] }
07070100000017000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002700000000fuc-2.1.0/comparisons/rm_og_crappy/src07070100000018000081A40000000000000000000000016614BE57000007FB000000000000000000000000000000000000002E00000000fuc-2.1.0/comparisons/rm_og_crappy/src/lib.rs#![allow(clippy::pedantic)]

use std::{
    fs, io,
    num::NonZeroUsize,
    path::{Path, PathBuf},
    thread,
};

use tokio::task::JoinHandle;

/// Implementation of the OG post that started all this:
/// <https://github.com/tokio-rs/tokio/issues/4172#issuecomment-945052350>
pub fn remove_dir_all<P: AsRef<Path>>(path: P) -> Result<(), io::Error> {
 let parallelism =
 thread::available_parallelism().unwrap_or(unsafe { NonZeroUsize::new_unchecked(1) });
 let runtime = tokio::runtime::Builder::new_current_thread()
 .max_blocking_threads(parallelism.get())
 .build()?;

runtime.block_on(fast_remove_dir_all(path.as_ref()))
}

async fn fast_remove_dir_all(path: &Path) -> io::Result<()> {
 let path = path.to_path_buf();
 let path = tokio::task::spawn_blocking(|| -> io::Result<Option<PathBuf>> {
 let filetype = fs::symlink_metadata(&path)?.file_type();
 if filetype.is_symlink() {
 fs::remove_file(&path)?;
 Ok(None)
 } else {
 Ok(Some(path))
 }
 })
 .await??;

match path {
        None => Ok(()),
        Some(path) => remove_dir_all_recursive(path).await,
    }
}

async fn remove_dir_all_recursive(path: PathBuf) -> io::Result<()> {
 let path_copy = path.clone();
 let tasks = tokio::task::spawn_blocking(move || -> io::Result<_> {
 let mut tasks = Vec::new();

for child in fs::read_dir(path)? {
            let child = child?;
            if child.file_type()?.is_dir() {
                tasks.push(spawn_remove_dir_all_recursive(&child.path()));
            } else {
                fs::remove_file(child.path())?;
            }
        }

Ok(tasks)
    })
    .await??;

for result in futures::future::join_all(tasks).await {
        result??;
    }

tokio::task::spawn_blocking(|| fs::remove_dir(path_copy)).await??;

Ok(())
}

fn spawn_remove_dir_all_recursive(path: &Path) -> JoinHandle<io::Result<()>> {
 tokio::task::spawn(remove_dir_all_recursive(path.to_path_buf()))
}
07070100000019000081A40000000000000000000000016614BE5700000068000000000000000000000000000000000000002F00000000fuc-2.1.0/comparisons/rm_og_crappy/src/main.rsuse std::env;

fn main() {
    rm_og_crappy::remove_dir_all(env::args_os().nth(1).unwrap()).unwrap();
}
0707010000001A000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001F00000000fuc-2.1.0/comparisons/rm_rayon0707010000001B000081A40000000000000000000000016614BE5700000078000000000000000000000000000000000000002A00000000fuc-2.1.0/comparisons/rm_rayon/Cargo.toml[package]
name = "rm_rayon"
version = "0.0.0"
edition.workspace = true
publish = false

[dependencies]
rayon = "1.10.0"
0707010000001C000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002300000000fuc-2.1.0/comparisons/rm_rayon/src0707010000001D000081A40000000000000000000000016614BE5700000230000000000000000000000000000000000000002A00000000fuc-2.1.0/comparisons/rm_rayon/src/lib.rs#![allow(clippy::pedantic)]

use std::{fs, io, path::Path};

use rayon::prelude::*;

pub fn remove_dir_all<P: AsRef<Path>>(path: P) -> Result<(), io::Error> {
 path.as_ref()
 .read_dir()?
 .par_bridge()
 .try_for_each(|dir_entry| -> io::Result<()> {
 let dir_entry = dir_entry?;
 if dir_entry.file_type()?.is_dir() {
 remove_dir_all(dir_entry.path())?;
 } else {
 fs::remove_file(dir_entry.path())?;
 }
 Ok(())
 })?;
 fs::remove_dir(path)
}
0707010000001E000081A40000000000000000000000016614BE5700000064000000000000000000000000000000000000002B00000000fuc-2.1.0/comparisons/rm_rayon/src/main.rsuse std::env;

fn main() {
    rm_rayon::remove_dir_all(env::args_os().nth(1).unwrap()).unwrap();
}
0707010000001F000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002800000000fuc-2.1.0/comparisons/rm_remove_dir_all07070100000020000081A40000000000000000000000016614BE57000000B0000000000000000000000000000000000000003300000000fuc-2.1.0/comparisons/rm_remove_dir_all/Cargo.toml[package]
name = "rm_remove_dir_all"
version = "0.0.0"
edition.workspace = true
publish = false

[dependencies]
remove_dir_all = { version = "0.8.2", features = ["parallel"] }
07070100000021000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002C00000000fuc-2.1.0/comparisons/rm_remove_dir_all/src07070100000022000081A40000000000000000000000016614BE570000006A000000000000000000000000000000000000003400000000fuc-2.1.0/comparisons/rm_remove_dir_all/src/main.rsuse std::env;

fn main() {
    remove_dir_all::remove_dir_all(env::args_os().nth(1).unwrap()).unwrap();
}
07070100000023000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002000000000fuc-2.1.0/comparisons/rm_stdlib07070100000024000081A40000000000000000000000016614BE5700000058000000000000000000000000000000000000002B00000000fuc-2.1.0/comparisons/rm_stdlib/Cargo.toml[package]
name = "rm_stdlib"
version = "0.0.0"
edition.workspace = true
publish = false
07070100000025000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002400000000fuc-2.1.0/comparisons/rm_stdlib/src07070100000026000081A40000000000000000000000016614BE5700000064000000000000000000000000000000000000002C00000000fuc-2.1.0/comparisons/rm_stdlib/src/main.rsuse std::{env, fs};

fn main() {
    fs::remove_dir_all(env::args_os().nth(1).unwrap()).unwrap();
}
07070100000027000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001C00000000fuc-2.1.0/comparisons/tools07070100000028000081A40000000000000000000000016614BE5700000054000000000000000000000000000000000000002700000000fuc-2.1.0/comparisons/tools/Cargo.toml[package]
name = "tools"
version = "0.0.0"
edition.workspace = true
publish = false
07070100000029000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002000000000fuc-2.1.0/comparisons/tools/src0707010000002A000081A40000000000000000000000016614BE5700000597000000000000000000000000000000000000002800000000fuc-2.1.0/comparisons/tools/src/main.rsuse std::{env, fs, fs::File, io::Read};

const ORDER: &[&str] = &["1M_files", "100_000_files", "10_000_files", "10_files"];

fn main() {
    let mut v = Vec::new();
    for entry in fs::read_dir(env::args_os().last().unwrap()).unwrap() {
        let entry = entry.unwrap();
        if !entry.file_name().to_string_lossy().ends_with(".md") {
            continue;
        }

v.push(entry);
    }

v.sort_by(|a, b| {
        fn index(s: &str) -> usize {
            ORDER
                .iter()
                .enumerate()
                .find_map(|(i, target)| s.find(target).map(|_| i))
                .unwrap()
        }

let a = a.file_name();
        let b = b.file_name();
        let a = a.to_string_lossy();
        let b = b.to_string_lossy();

index(&a).cmp(&index(&b)).then(a.cmp(&b))
    });
    for entry in v {
        println!("#### `{}`", entry.file_name().to_string_lossy());

let mut s = String::new();
        File::open(entry.path())
            .unwrap()
            .read_to_string(&mut s)
            .unwrap();
        let s = s
            .replace(
                "`./target/release/rmz /tmp/ftzz`",
                "*`./target/release/rmz /tmp/ftzz`*",
            )
            .replace(
                "`./target/release/cpz /tmp/ftzz /tmp/ftzzz`",
                "*`./target/release/cpz /tmp/ftzz /tmp/ftzzz`*",
            );
        println!("{s}");
    }
}
0707010000002B000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000000E00000000fuc-2.1.0/cpz0707010000002C000081A40000000000000000000000016614BE5700000632000000000000000000000000000000000000001900000000fuc-2.1.0/cpz/Cargo.toml[package]
name = "cpz"
version.workspace = true
authors.workspace = true
edition.workspace = true
description = "Fast cp provides an alternative to cp that focuses on maximizing performance."
repository.workspace = true
keywords = ["tools", "files", "cp"]
categories = ["command-line-utilities", "development-tools", "filesystem"]
license.workspace = true
rust-version.workspace = true

[dependencies]
clap = { version = "4.5.4", features = ["derive", "wrap_help"] }
error-stack = "0.4.1"
fuc_engine = { version = "2", path = "../fuc_engine" }
once_cell = "1.18.0"
indicatif = { version = "0.17.8", optional = true }
thiserror = "1.0.58"
tracing = { version = "0.1.40", optional = true }
tracing-indicatif = { version = "0.3.6", optional = true }
tracing-subscriber = { version = "0.3.18", features = ["env-filter"], optional = true }
tracing-tracy = { version = "0.11.0", features = ["flush-on-exit"], optional = true }
tracy-client = { version = "0.17.0", optional = true }

[dev-dependencies]
cache-size = "0.6.0"
criterion = "0.5.1"
memmap2 = "0.9.4"
rand = "0.8.5"
supercilex-tests = { version = "0.4.4", default-features = false, features = ["clap"] }
tempfile = "3.10.1"
trycmd = "0.15.1"

[target.'cfg(unix)'.dev-dependencies]
rustix = { version = "0.38.32", features = ["fs", "pipe"] }

[features]
trace = ["fuc_engine/tracing", "dep:tracing", "dep:tracing-subscriber", "dep:tracing-tracy", "dep:tracy-client"]
progress = ["fuc_engine/tracing", "dep:tracing", "dep:tracing-subscriber", "dep:tracing-indicatif", "dep:indicatif"]

[[bench]]
name = "copy_methods"
harness = false
0707010000002D000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001800000000fuc-2.1.0/cpz/README.in0707010000002E000081A40000000000000000000000016614BE5700000000000000000000000000000000000000000000002100000000fuc-2.1.0/cpz/README.in/existing0707010000002F000081A40000000000000000000000016614BE5700000000000000000000000000000000000000000000001D00000000fuc-2.1.0/cpz/README.in/from07070100000030000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000002100000000fuc-2.1.0/cpz/README.in/from_dir07070100000031000081A40000000000000000000000016614BE5700000000000000000000000000000000000000000000002500000000fuc-2.1.0/cpz/README.in/from_dir/bar07070100000032000081A40000000000000000000000016614BE5700000735000000000000000000000000000000000000001800000000fuc-2.1.0/cpz/README.md# cp zippy

[![Crates.io](https://img.shields.io/crates/v/cpz)](https://crates.io/crates/cpz)

A zippy alternative to `cp`, a tool to copy files and directories.

## Installation

### Use prebuilt binaries

Binaries for a number of platforms are available on the
[release page](https://github.com/SUPERCILEX/fuc/releases/latest).

### Build from source

```console,ignore
$ cargo install cpz
```

> To install cargo, follow
> [these instructions](https://doc.rust-lang.org/cargo/getting-started/installation.html).

## Usage

Background: https://github.com/SUPERCILEX/fuc/blob/master/README.md

Copy a file:

```console
$ cpz from to
```

Copy a directory:

```console
$ cpz from_dir to_dir
```

Overwrite existing files:

```console
$ cpz -f from existing
```

Flip the argument order (for better composability with other commands for example):

```console
$ cpz -t to_first from
```

Force the source files to be copied into the destination by making the path look like a directory:

```console,ignore
$ cpz from dest/
```

More details:

```console
$ cpz --help
A zippy alternative to `cp`, a tool to copy files and directories

Usage: cpz[EXE] [OPTIONS] <FROM>... <TO>

Arguments:
 <FROM>...
 The file(s) or directory(ies) to be copied
 
 If multiple files are specified, they will be copied into the target destination rather
 than to it. The same is true of directory names (`foo/`, `.`, `..`): that is, `cpz a b/`
 places `a` inside `b` as opposed to `cpz a b` which makes `b` become `a`.

<TO>
 The copy destination

Options:
  -f, --force
          Overwrite existing files

-t, --reverse-args
 Reverse the argument order so that it becomes `cpz <TO> <FROM>...`

-h, --help
          Print help (use `-h` for a summary)

-V, --version
          Print version

```
07070100000033000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001900000000fuc-2.1.0/cpz/README.out07070100000034000081A40000000000000000000000016614BE5700000000000000000000000000000000000000000000001F00000000fuc-2.1.0/cpz/README.out/.keep07070100000035000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001600000000fuc-2.1.0/cpz/benches07070100000036000081A40000000000000000000000016614BE5700004A50000000000000000000000000000000000000002600000000fuc-2.1.0/cpz/benches/copy_methods.rsuse std::{
    alloc,
    alloc::Layout,
    fs::{copy, File, OpenOptions},
    io::{BufRead, BufReader, Read, Write},
    path::{Path, PathBuf},
    time::Duration,
};

use cache_size::l1_cache_size;
use criterion::{
    criterion_group, criterion_main, measurement::WallTime, AxisScale, BatchSize, BenchmarkGroup,
    BenchmarkId, Criterion, PlotConfiguration, Throughput,
};
use memmap2::{Mmap, MmapOptions};
use rand::{thread_rng, RngCore};
use tempfile::{tempdir, TempDir};

// Don't use an OS backed tempfile since it might change the performance
// characteristics of our copy
struct NormalTempFile {
    dir: TempDir,
    from: PathBuf,
    to: PathBuf,
}

impl NormalTempFile {
    fn create(bytes: u64, direct_io: bool) -> Self {
        let dir = tempdir().unwrap();
        let from = dir.path().join("from");

let buf = create_random_buffer(usize::try_from(bytes).unwrap(), direct_io);

open_standard(
            &from,
            #[cfg(target_os = "linux")]
            direct_io,
        )
        .write_all(&buf)
        .unwrap();

Self {
            to: dir.path().join("to"),
            dir,
            from,
        }
    }
}

/// Doesn't use direct I/O, so files will be mem cached
fn with_memcache(c: &mut Criterion) {
    let mut group = c.benchmark_group("with_memcache");
    group.plot_config(PlotConfiguration::default().summary_scale(AxisScale::Logarithmic));

for num_bytes in [1 << 12, 1 << 20, 1 << 25] {
 group.throughput(Throughput::Bytes(num_bytes));
 add_benches(&mut group, num_bytes, false);
 }
}

/// Use direct I/O to create the file to be copied so it's not cached initially
fn initially_uncached(c: &mut Criterion) {
    let mut group = c.benchmark_group("initially_uncached");
    group.plot_config(PlotConfiguration::default().summary_scale(AxisScale::Logarithmic));

for num_bytes in [1 << 12, 1 << 20, 1 << 25] {
 group.throughput(Throughput::Bytes(num_bytes));
 add_benches(&mut group, num_bytes, true);
 }
}

fn empty_files(c: &mut Criterion) {
    let mut group = c.benchmark_group("empty_files");

group.throughput(Throughput::Elements(1));

group.bench_function("fs::copy", |b| {
        b.iter_batched(
            || NormalTempFile::create(0, false),
            |files| {
                copy(files.from, files.to).unwrap();
                files.dir
            },
            BatchSize::LargeInput,
        );
    });

group.bench_function("File::create", |b| {
        b.iter_batched(
            || NormalTempFile::create(0, false),
            |files| {
                File::create(files.to).unwrap();

files.dir
            },
            BatchSize::LargeInput,
        );
    });

#[cfg(target_os = "linux")]
    group.bench_function("mknod", |b| {
        b.iter_batched(
            || NormalTempFile::create(0, false),
            |files| {
                use rustix::fs::{mknodat, FileType, Mode, CWD};

mknodat(
                    CWD,
                    files.to.as_path(),
                    FileType::RegularFile,
                    Mode::empty(),
                    0,
                )
                .unwrap();

files.dir
            },
            BatchSize::LargeInput,
        );
    });

#[cfg(target_os = "linux")]
    group.bench_function("mknodat", |b| {
        b.iter_batched(
            || {
                let files = NormalTempFile::create(0, false);
                let dir = File::open(files.dir.path()).unwrap();
                (files, dir)
            },
            |(files, dir)| {
                use rustix::fs::{mknodat, FileType, Mode};

mknodat(
                    &dir,
                    files.to.file_name().unwrap(),
                    FileType::RegularFile,
                    Mode::empty(),
                    0,
                )
                .unwrap();

files.dir
            },
            BatchSize::LargeInput,
        );
    });

#[cfg(unix)]
    group.bench_function("open", |b| {
        let files = NormalTempFile::create(0, false);
        let path = files.to.as_path();
        b.iter(|| {
            use rustix::fs::{openat, Mode, OFlags, CWD};

openat(CWD, path, OFlags::CREATE, Mode::RWXU).unwrap()
        });
    });

#[cfg(unix)]
    group.bench_function("openat", |b| {
        let files = NormalTempFile::create(0, false);
        let dir = File::open(files.dir.path()).unwrap();
        let path = files.to.file_name().unwrap();
        b.iter(|| {
            use rustix::fs::{openat, Mode, OFlags};

openat(&dir, path, OFlags::CREATE, Mode::RWXU).unwrap()
        });
    });
}

fn just_writes(c: &mut Criterion) {
    let mut group = c.benchmark_group("just_writes");
    group.plot_config(PlotConfiguration::default().summary_scale(AxisScale::Logarithmic));

for num_bytes in [1 << 12, 1 << 20, 1 << 25] {
 group.throughput(Throughput::Bytes(num_bytes));

group.bench_with_input(
            BenchmarkId::new("open_memcache", num_bytes),
            &num_bytes,
            |b, &num_files| {
                b.iter_batched(
                    || {
                        let dir = tempdir().unwrap();
                        let buf = create_random_buffer(usize::try_from(num_files).unwrap(), false);

(dir, buf)
                    },
                    |(dir, buf)| {
                        File::create(dir.path().join("file"))
                            .unwrap()
                            .write_all(&buf)
                            .unwrap();

(dir, buf)
                    },
                    BatchSize::PerIteration,
                );
            },
        );

group.bench_with_input(
            BenchmarkId::new("open_nocache", num_bytes),
            &num_bytes,
            |b, &num_files| {
                b.iter_batched(
                    || {
                        let dir = tempdir().unwrap();
                        let buf = create_random_buffer(usize::try_from(num_files).unwrap(), true);

(dir, buf)
                    },
                    |(dir, buf)| {
                        let mut out = open_standard(
                            dir.path().join("file").as_ref(),
                            #[cfg(target_os = "linux")]
                            true,
                        );
                        out.set_len(num_files).unwrap();

out.write_all(&buf).unwrap();

(dir, buf)
                    },
                    BatchSize::PerIteration,
                );
            },
        );
    }
}

#[allow(clippy::too_many_lines)]
fn add_benches(group: &mut BenchmarkGroup<WallTime>, num_bytes: u64, direct_io: bool) {
 group.bench_with_input(
 BenchmarkId::new("fs::copy", num_bytes),
 &num_bytes,
 |b, &num_files| {
 b.iter_batched(
 || NormalTempFile::create(num_files, direct_io),
 |files| {
 copy(files.from, files.to).unwrap();
 files.dir
 },
 BatchSize::PerIteration,
 );
 },
 );

#[cfg(target_os = "linux")]
    group.bench_with_input(
        BenchmarkId::new("copy_file_range", num_bytes),
        &num_bytes,
        |b, &num_files| {
            use rustix::fs::copy_file_range;

b.iter_batched(
                || NormalTempFile::create(num_files, direct_io),
                |files| {
                    let from = File::open(files.from).unwrap();
                    let to = OpenOptions::new()
                        .read(true)
                        .write(true)
                        .create(true)
                        .truncate(false)
                        .open(files.to)
                        .unwrap();
                    to.set_len(num_files).unwrap();

let mut bytes_remaining = usize::try_from(num_files).unwrap();
                    while bytes_remaining > 0 {
                        bytes_remaining -=
                            copy_file_range(&from, None, &to, None, bytes_remaining).unwrap();
                    }

files.dir
                },
                BatchSize::PerIteration,
            );
        },
    );

group.bench_with_input(
        BenchmarkId::new("buffered", num_bytes),
        &num_bytes,
        |b, &num_files| {
            b.iter_batched(
                || NormalTempFile::create(num_files, direct_io),
                |files| {
                    let reader = BufReader::new(File::open(files.from).unwrap());
                    write_from_buffer(files.to, reader);
                    files.dir
                },
                BatchSize::PerIteration,
            );
        },
    );

group.bench_with_input(
        BenchmarkId::new("buffered_l1_tuned", num_bytes),
        &num_bytes,
        |b, &num_files| {
            b.iter_batched(
                || NormalTempFile::create(num_files, direct_io),
                |files| {
                    let l1_cache_size = l1_cache_size().unwrap();
                    let reader =
                        BufReader::with_capacity(l1_cache_size, File::open(files.from).unwrap());

write_from_buffer(files.to, reader);

files.dir
                },
                BatchSize::PerIteration,
            );
        },
    );

group.bench_with_input(
 BenchmarkId::new("buffered_readahead_tuned", num_bytes),
 &num_bytes,
 |b, &num_files| {
 b.iter_batched(
 || NormalTempFile::create(num_files, direct_io),
 |files| {
 let readahead_size = 1 << 17; // See https://eklitzke.org/efficient-file-copying-on-linux
 let reader =
 BufReader::with_capacity(readahead_size, File::open(files.from).unwrap());

write_from_buffer(files.to, reader);

files.dir
                },
                BatchSize::PerIteration,
            );
        },
    );

#[cfg(unix)]
    group.bench_with_input(
        BenchmarkId::new("buffered_parallel", num_bytes),
        &num_bytes,
        |b, &num_files| {
            b.iter_batched(
                || NormalTempFile::create(num_files, direct_io),
                |files| {
                    use std::{os::unix::fs::FileExt, thread};

let threads =
                        u64::try_from(thread::available_parallelism().unwrap().get()).unwrap();
                    let chunk_size = num_bytes / threads;

let from = File::open(files.from).unwrap();
                    let to = File::create(files.to).unwrap();
                    to.set_len(num_files).unwrap();

let mut results = Vec::with_capacity(usize::try_from(threads).unwrap());
                    for i in 0..threads {
                        let from = from.try_clone().unwrap();
                        let to = to.try_clone().unwrap();

results.push(thread::spawn(move || {
                            let mut buf = Vec::with_capacity(usize::try_from(chunk_size).unwrap());
                            // We write those bytes immediately after and dropping u8s does nothing
                            #[allow(clippy::uninit_vec)]
                            unsafe {
                                buf.set_len(usize::try_from(chunk_size).unwrap());
                            }

from.read_exact_at(&mut buf, i * chunk_size).unwrap();
                            to.write_all_at(&buf, i * chunk_size).unwrap();
                        }));
                    }
                    for handle in results {
                        handle.join().unwrap();
                    }

files.dir
                },
                BatchSize::PerIteration,
            );
        },
    );

group.bench_with_input(
        BenchmarkId::new("buffered_entire_file", num_bytes),
        &num_bytes,
        |b, &num_files| {
            b.iter_batched(
                || NormalTempFile::create(num_files, direct_io),
                |files| {
                    let mut from = File::open(files.from).unwrap();
                    let mut to = File::create(files.to).unwrap();
                    to.set_len(num_files).unwrap();

let mut buf = Vec::with_capacity(usize::try_from(num_files).unwrap());
                    from.read_to_end(&mut buf).unwrap();
                    to.write_all(&buf).unwrap();

files.dir
                },
                BatchSize::PerIteration,
            );
        },
    );

group.bench_with_input(
        BenchmarkId::new("mmap_read_only", num_bytes),
        &num_bytes,
        |b, &num_files| {
            b.iter_batched(
                || NormalTempFile::create(num_files, direct_io),
                |files| {
                    let from = File::open(files.from).unwrap();
                    let reader = unsafe { Mmap::map(&from) }.unwrap();
                    let mut to = File::create(files.to).unwrap();

to.write_all(reader.as_ref()).unwrap();

files.dir
                },
                BatchSize::PerIteration,
            );
        },
    );

group.bench_with_input(
        BenchmarkId::new("mmap_read_only_truncate", num_bytes),
        &num_bytes,
        |b, &num_files| {
            b.iter_batched(
                || NormalTempFile::create(num_files, direct_io),
                |files| {
                    let from = File::open(files.from).unwrap();
                    let reader = unsafe { Mmap::map(&from) }.unwrap();
                    let mut to = File::create(files.to).unwrap();
                    to.set_len(num_files).unwrap();

to.write_all(reader.as_ref()).unwrap();

files.dir
                },
                BatchSize::PerIteration,
            );
        },
    );

#[cfg(target_os = "linux")]
    group.bench_with_input(
        BenchmarkId::new("mmap_read_only_fallocate", num_bytes),
        &num_bytes,
        |b, &num_files| {
            b.iter_batched(
                || NormalTempFile::create(num_files, direct_io),
                |files| {
                    let from = File::open(files.from).unwrap();
                    let reader = unsafe { Mmap::map(&from) }.unwrap();
                    let mut to = File::create(files.to).unwrap();
                    allocate(&to, num_files);

to.write_all(reader.as_ref()).unwrap();

files.dir
                },
                BatchSize::PerIteration,
            );
        },
    );

group.bench_with_input(
        BenchmarkId::new("mmap_rw_truncate", num_bytes),
        &num_bytes,
        |b, &num_files| {
            b.iter_batched(
                || NormalTempFile::create(num_files, direct_io),
                |files| {
                    let from = File::open(files.from).unwrap();
                    let to = OpenOptions::new()
                        .read(true)
                        .write(true)
                        .create(true)
                        .truncate(false)
                        .open(files.to)
                        .unwrap();
                    to.set_len(num_files).unwrap();
                    let reader = unsafe { Mmap::map(&from) }.unwrap();
                    let mut writer = unsafe { MmapOptions::new().map_mut(&to) }.unwrap();

writer.copy_from_slice(reader.as_ref());

files.dir
                },
                BatchSize::PerIteration,
            );
        },
    );

#[cfg(target_os = "linux")]
    group.bench_with_input(
        BenchmarkId::new("sendfile", num_bytes),
        &num_bytes,
        |b, &num_files| {
            use rustix::fs::sendfile;

let mut bytes_remaining = usize::try_from(num_files).unwrap();
                    while bytes_remaining > 0 {
                        bytes_remaining -= sendfile(&to, &from, None, bytes_remaining).unwrap();
                    }

files.dir
                },
                BatchSize::PerIteration,
            );
        },
    );
}

fn open_standard(path: &Path, #[cfg(target_os = "linux")] direct_io: bool) -> File {
    let mut options = OpenOptions::new();
    options.write(true).create(true).truncate(true);

#[cfg(target_os = "linux")]
    if direct_io {
        use std::os::unix::fs::OpenOptionsExt;
        options.custom_flags(i32::try_from(rustix::pipe::PipeFlags::DIRECT.bits()).unwrap());
    }

options.open(path).unwrap()
}

fn write_from_buffer(to: PathBuf, mut reader: BufReader<File>) {
 let mut to = File::create(to).unwrap();
 to.set_len(reader.get_ref().metadata().unwrap().len())
 .unwrap();

loop {
        let len = {
            let buf = reader.fill_buf().unwrap();
            if buf.is_empty() {
                break;
            }

to.write_all(buf).unwrap();
            buf.len()
        };
        reader.consume(len);
    }
}

#[cfg(target_os = "linux")]
fn allocate(file: &File, len: u64) {
    use rustix::fs::{fallocate, FallocateFlags};
    fallocate(file, FallocateFlags::empty(), 0, len).unwrap();
}

fn create_random_buffer(bytes: usize, direct_io: bool) -> Vec<u8> {
 assert!(
 !direct_io || bytes % (1 << 12) == 0,
 "Num bytes ({bytes}) must be divisible by 2^12",
 );

let mut buf = if direct_io {
 let layout = Layout::from_size_align(bytes, 1 << 12).unwrap();
 let ptr = unsafe { alloc::alloc(layout) };
 unsafe { Vec::<u8>::from_raw_parts(ptr, bytes, bytes) }
 } else {
 let mut v = Vec::with_capacity(bytes);
 // We write those bytes immediately after and dropping u8s does nothing
 #[allow(clippy::uninit_vec)]
 unsafe {
 v.set_len(bytes);
 }
 v
 };
 thread_rng().fill_bytes(buf.as_mut_slice());
 buf
}

criterion_group! {
    name = benches;
    config = Criterion::default().noise_threshold(0.02).warm_up_time(Duration::from_secs(1));
    targets =
    with_memcache,
    initially_uncached,
    empty_files,
    just_writes,
}
criterion_main!(benches);
07070100000037000081A40000000000000000000000016614BE57000001C3000000000000000000000000000000000000002D00000000fuc-2.1.0/cpz/command-reference-short.goldenA zippy alternative to `cp`, a tool to copy files and directories

Usage: cpz [OPTIONS] <FROM>... <TO>

Arguments:
 <FROM>... The file(s) or directory(ies) to be copied
 <TO> The copy destination

Options:
 -f, --force Overwrite existing files
 -t, --reverse-args Reverse the argument order so that it becomes `cpz <TO> <FROM>...`
 -h, --help Print help (use `--help` for more detail)
 -V, --version Print version
07070100000038000081A40000000000000000000000016614BE5700000302000000000000000000000000000000000000002700000000fuc-2.1.0/cpz/command-reference.goldenA zippy alternative to `cp`, a tool to copy files and directories

Usage: cpz [OPTIONS] <FROM>... <TO>

<TO>
 The copy destination

Options:
  -f, --force
          Overwrite existing files

-t, --reverse-args
 Reverse the argument order so that it becomes `cpz <TO> <FROM>...`

-h, --help
          Print help (use `-h` for a summary)

-V, --version
          Print version
07070100000039000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001200000000fuc-2.1.0/cpz/src0707010000003A000081A40000000000000000000000016614BE5700002336000000000000000000000000000000000000001A00000000fuc-2.1.0/cpz/src/main.rsuse std::{
    fs,
    mem::swap,
    path::{PathBuf, MAIN_SEPARATOR, MAIN_SEPARATOR_STR},
};

use clap::{ArgAction, Parser, ValueHint};
use error_stack::Report;
use fuc_engine::{CopyOp, Error};
use once_cell::sync::Lazy as LazyCell;

/// A zippy alternative to `cp`, a tool to copy files and directories
#[derive(Parser, Debug)]
#[command(version, author = "Alex Saveau (@SUPERCILEX)")]
#[command(infer_subcommands = true, infer_long_args = true)]
#[command(disable_help_flag = true)]
#[command(arg_required_else_help = true)]
#[command(max_term_width = 100)]
#[cfg_attr(test, command(help_expected = true))]
struct Cpz {
 /// The file(s) or directory(ies) to be copied
 ///
 /// If multiple files are specified, they will be copied into the target
 /// destination rather than to it. The same is true of directory names
 /// (`foo/`, `.`, `..`): that is, `cpz a b/` places `a` inside `b` as
 /// opposed to `cpz a b` which makes `b` become `a`.
 #[arg(required = true)]
 #[arg(value_hint = ValueHint::AnyPath)]
 from: Vec<PathBuf>,

/// The copy destination
    #[arg(required = true)]
    #[arg(value_hint = ValueHint::AnyPath)]
    to: PathBuf,

/// Overwrite existing files
    #[arg(short, long, default_value_t = false)]
    force: bool,

/// Reverse the argument order so that it becomes `cpz <TO> <FROM>...`
 #[arg(short = 't', long, default_value_t = false)]
 reverse_args: bool,

#[arg(short, long, short_alias = '?', global = true)]
 #[arg(action = ArgAction::Help, help = "Print help (use `--help` for more detail)")]
 #[arg(long_help = "Print help (use `-h` for a summary)")]
 help: Option<bool>,
}

#[derive(thiserror::Error, Debug)]
enum CliError {
    #[error("{0}")]
    Wrapper(String),
}

#[cfg(feature = "trace")]
#[global_allocator]
static GLOBAL: tracy_client::ProfiledAllocator<std::alloc::System> =
 tracy_client::ProfiledAllocator::new(std::alloc::System, 100);

#[cfg(feature = "trace")]
fn init_trace() {
    use tracing_subscriber::{
        filter::LevelFilter, fmt::format::DefaultFields, layer::SubscriberExt,
        util::SubscriberInitExt, EnvFilter,
    };

#[derive(Default)]
    struct Config(DefaultFields);

impl tracing_tracy::Config for Config {
        type Formatter = DefaultFields;

fn formatter(&self) -> &Self::Formatter {
            &self.0
        }

fn stack_depth(&self, _: &tracing::Metadata<'_>) -> u16 {
 32
 }

fn format_fields_in_zone_name(&self) -> bool {
            false
        }
    }

tracing_subscriber::registry()
        .with(tracing_tracy::TracyLayer::new(Config::default()))
        .with(
            EnvFilter::builder()
                .with_default_directive(LevelFilter::TRACE.into())
                .from_env_lossy(),
        )
        .init();
}

#[cfg(feature = "progress")]
fn init_progress() {
    use std::time::Duration;

use indicatif::{ProgressState, ProgressStyle};
    use tracing::level_filters::LevelFilter;
    use tracing_indicatif::IndicatifLayer;
    use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, EnvFilter};

if elapsed > Duration::from_secs(8) {
                        // Red
                        let _ = write!(writer, "\x1b[{}m", 1 + 30);
                    } else if elapsed > Duration::from_secs(4) {
                        // Yellow
                        let _ = write!(writer, "\x1b[{}m", 3 + 30);
                    }
                },
            )
            .with_key(
                "color_end",
                |state: &ProgressState, writer: &mut dyn std::fmt::Write| {
                    if state.elapsed() > Duration::from_secs(4) {
                        let _ = write!(writer, "\x1b[0m");
                    }
                },
            ),
        )
        .with_span_child_prefix_symbol("↳ ")
        .with_span_child_prefix_indent(" ");

tracing_subscriber::registry()
        .with(tracing_subscriber::fmt::layer().with_writer(indicatif_layer.get_stderr_writer()))
        .with(indicatif_layer)
        .with(
            EnvFilter::builder()
                .with_default_directive(LevelFilter::INFO.into())
                .from_env_lossy(),
        )
        .init();
}

fn main() -> error_stack::Result<(), CliError> {
 #[cfg(not(debug_assertions))]
 error_stack::Report::install_debug_hook::<std::panic::Location>(|_, _| {});

#[cfg(feature = "trace")]
    init_trace();
    #[cfg(feature = "progress")]
    init_progress();

let args = Cpz::parse();

copy(args).map_err(|e| {
        let wrapper = CliError::Wrapper(format!("{e}"));
        match e {
            Error::Io { error, context } => Report::from(error)
                .attach_printable(context)
                .change_context(wrapper),
            Error::AlreadyExists { file } => {
                let report = Report::from(wrapper);
                match file.symlink_metadata().map(|m| m.is_dir()) {
                    Ok(true) => {
                        let mut file = file.into_os_string();
                        file.push(MAIN_SEPARATOR_STR);
                        report
                            .attach_printable(format!(
                                "Use the path {file:?} to copy into the directory."
                            ))
                            .attach_printable(
                                "Use --force to merge directories (overwriting existing files).",
                            )
                    }
                    Ok(false) | Err(_) => report.attach_printable("Use --force to overwrite."),
                }
            }
            Error::Join | Error::BadPath | Error::Internal => Report::from(wrapper),
            Error::PreserveRoot | Error::NotFound { file: _ } => unreachable!(),
        }
    })
}

fn copy(
 Cpz {
 mut from,
 mut to,
 force,
 reverse_args,
 help: _,
 }: Cpz,
) -> Result<(), Error> {
 if reverse_args {
 swap(&mut to, &mut from[0]);
 }
 let from = from;
 let to = to;

#[allow(clippy::unnested_or_patterns)]
    let is_into_directory = LazyCell::new(|| {
        matches!(
            {
                let path_str = to.to_string_lossy();
                let mut chars = path_str.chars();
                (chars.next_back(), chars.next_back(), chars.next_back())
            },
            (Some(MAIN_SEPARATOR), _, _) // */
                | (Some('.'), None, _) // .
                | (Some('.'), Some(MAIN_SEPARATOR), _) // */.
                | (Some('.'), Some('.'), None) // ..
                | (Some('.'), Some('.'), Some(MAIN_SEPARATOR)) // */..
        )
    });
    if from.len() > 1 || *is_into_directory {
        fs::create_dir_all(&to).map_err(|error| Error::Io {
            error,
            context: format!("Failed to create directory {to:?}").into(),
        })?;
    }

if from.len() > 1 {
        CopyOp::builder()
            .files(from.into_iter().map(|path| {
                let to = path
                    .file_name()
                    .map_or_else(|| to.clone(), |name| to.join(name));
                (path, to)
            }))
            .force(force)
            .build()
            .run()
    } else {
        CopyOp::builder()
            .files([{
                let from = from.into_iter().next().unwrap();
                let to = {
                    let is_into_directory = *is_into_directory;
                    let mut to = to;
                    if is_into_directory {
                        if let Some(name) = from.file_name() {
                            to.push(name);
                        }
                    }
                    to
                };

(from, to)
            }])
            .force(force)
            .build()
            .run()
    }
}

#[cfg(test)]
mod cli_tests {
    use clap::CommandFactory;

use super::*;

#[test]
    fn verify_app() {
        Cpz::command().debug_assert();
    }

#[test]
    fn help_for_review() {
        supercilex_tests::help_for_review(Cpz::command());
    }
}
0707010000003B000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001400000000fuc-2.1.0/cpz/tests0707010000003C000081A40000000000000000000000016614BE5700000048000000000000000000000000000000000000001B00000000fuc-2.1.0/cpz/tests/api.rs#[test]
fn readme() {
    trycmd::TestCases::new().case("README.md");
}
0707010000003D000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001500000000fuc-2.1.0/fuc_engine0707010000003E000081A40000000000000000000000016614BE5700000416000000000000000000000000000000000000002000000000fuc-2.1.0/fuc_engine/Cargo.toml[package]
name = "fuc_engine"
version.workspace = true
authors.workspace = true
edition.workspace = true
description = "Engine for the FUCing project."
repository.workspace = true
keywords = ["tools", "files"]
categories = ["filesystem"]
license.workspace = true
rust-version.workspace = true

[dependencies]
crossbeam-channel = "0.5.12"
once_cell = "1.18.0"
thiserror = "1.0.58"
tracing = { version = "0.1.40", default-features = false, features = ["attributes"], optional = true }
typed-builder = "0.18.1"

[target.'cfg(target_os = "linux")'.dependencies]
rustix = { version = "0.38.32", features = ["fs", "thread", "linux_latest"] }

[target.'cfg(not(target_os = "linux"))'.dependencies]
rayon = "1.10.0"

[target.'cfg(target_os = "windows")'.dependencies]
remove_dir_all = { version = "0.8.2", features = ["parallel"] }

[dev-dependencies]
ftzz = "3.0.0"
io-adapters = "0.3.0"
rstest = { version = "0.18.2", default-features = false }
supercilex-tests = { version = "0.4.4", default-features = false, features = ["api"] }
tempfile = "3.10.1"
0707010000003F000081A40000000000000000000000016614BE57000000ED000000000000000000000000000000000000001F00000000fuc-2.1.0/fuc_engine/README.md# The FUC-ing engine

[![Crates.io](https://img.shields.io/crates/v/fuc-engine)](https://crates.io/crates/fuc-engine)

The scheduling engine that powers FUCs. It can be used as a library, but is not currently designed
for that use case.
07070100000040000081A40000000000000000000000016614BE5700002955000000000000000000000000000000000000002000000000fuc-2.1.0/fuc_engine/api.goldenpub mod fuc_engine
pub enum fuc_engine::Error
pub fuc_engine::Error::AlreadyExists
pub fuc_engine::Error::AlreadyExists::file: std::path::PathBuf
pub fuc_engine::Error::BadPath
pub fuc_engine::Error::Internal
pub fuc_engine::Error::Io
pub fuc_engine::Error::Io::context: alloc::borrow::Cow<'static, str>
pub fuc_engine::Error::Io::error: std::io::error::Error
pub fuc_engine::Error::Join
pub fuc_engine::Error::NotFound
pub fuc_engine::Error::NotFound::file: std::path::PathBuf
pub fuc_engine::Error::PreserveRoot
impl core::error::Error for fuc_engine::Error
impl core::fmt::Debug for fuc_engine::Error
pub fn fuc_engine::Error::fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result
impl core::fmt::Display for fuc_engine::Error
pub fn fuc_engine::Error::fmt(&self, __formatter: &mut core::fmt::Formatter<'_>) -> core::fmt::Result
impl core::marker::Freeze for fuc_engine::Error
impl core::marker::Send for fuc_engine::Error
impl core::marker::Sync for fuc_engine::Error
impl core::marker::Unpin for fuc_engine::Error
impl !core::panic::unwind_safe::RefUnwindSafe for fuc_engine::Error
impl !core::panic::unwind_safe::UnwindSafe for fuc_engine::Error
impl<T, U> core::convert::Into for fuc_engine::Error where U: core::convert::From<T>
pub fn fuc_engine::Error::into(self) -> U
impl<T, U> core::convert::TryFrom for fuc_engine::Error where U: core::convert::Into<T>
pub type fuc_engine::Error::Error = core::convert::Infallible
pub fn fuc_engine::Error::try_from(value: U) -> core::result::Result<T, <T as core::convert::TryFrom>::Error>
impl<T, U> core::convert::TryInto for fuc_engine::Error where U: core::convert::TryFrom<T>
pub type fuc_engine::Error::Error = >::Error
pub fn fuc_engine::Error::try_into(self) -> core::result::Result<U, >::Error>
impl<T> alloc::string::ToString for fuc_engine::Error where T: core::fmt::Display + core::marker::Sized
pub fn fuc_engine::Error::to_string(&self) -> alloc::string::String
impl<T> core::any::Any for fuc_engine::Error where T: 'static + core::marker::Sized
pub fn fuc_engine::Error::type_id(&self) -> core::any::TypeId
impl<T> core::borrow::Borrow<T> for fuc_engine::Error where T: core::marker::Sized
pub fn fuc_engine::Error::borrow(&self) -> &T
impl<T> core::borrow::BorrowMut<T> for fuc_engine::Error where T: core::marker::Sized
pub fn fuc_engine::Error::borrow_mut(&mut self) -> &mut T
impl<T> core::convert::From<T> for fuc_engine::Error
pub fn fuc_engine::Error::from(t: T) -> T
impl<T> tracing::instrument::Instrument for fuc_engine::Error
impl<T> tracing::instrument::WithSubscriber for fuc_engine::Error
pub struct fuc_engine::CopyOp<'a, 'b, I1: core::convert::Into<alloc::borrow::Cow<'a, std::path::Path>> + 'a, I2: core::convert::Into<alloc::borrow::Cow<'b, std::path::Path>> + 'b, F: core::iter::traits::collect::IntoIterator<Item = (I1, I2)>>
impl<'a, 'b, I1: core::convert::Into<alloc::borrow::Cow<'a, std::path::Path>> + 'a, I2: core::convert::Into<alloc::borrow::Cow<'b, std::path::Path>> + 'b, F: core::iter::traits::collect::IntoIterator<Item = (I1, I2)>> fuc_engine::CopyOp<'a, 'b, I1, I2, F>
pub fn fuc_engine::CopyOp<'a, 'b, I1, I2, F>::run(self) -> core::result::Result<(), fuc_engine::Error>
impl<'a, 'b, I1: core::convert::Into<alloc::borrow::Cow<'a, std::path::Path>> + 'a, I2: core::convert::Into<alloc::borrow::Cow<'b, std::path::Path>> + 'b, F: core::iter::traits::collect::IntoIterator<Item = (I1, I2)>> fuc_engine::CopyOp<'a, 'b, I1, I2, F>
pub fn fuc_engine::CopyOp<'a, 'b, I1, I2, F>::builder() -> CopyOpBuilder<'a, 'b, I1, I2, F, ((), (), (), ())>
impl<'a, 'b, I1: core::fmt::Debug + core::convert::Into<alloc::borrow::Cow<'a, std::path::Path>> + 'a, I2: core::fmt::Debug + core::convert::Into<alloc::borrow::Cow<'b, std::path::Path>> + 'b, F: core::fmt::Debug + core::iter::traits::collect::IntoIterator<Item = (I1, I2)>> core::fmt::Debug for fuc_engine::CopyOp<'a, 'b, I1, I2, F>
pub fn fuc_engine::CopyOp<'a, 'b, I1, I2, F>::fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result
impl<'a, 'b, I1, I2, F> core::marker::Freeze for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where F: core::marker::Freeze
impl<'a, 'b, I1, I2, F> core::marker::Send for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where F: core::marker::Send, I1: core::marker::Sync, I2: core::marker::Sync
impl<'a, 'b, I1, I2, F> core::marker::Sync for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where F: core::marker::Sync, I1: core::marker::Sync, I2: core::marker::Sync
impl<'a, 'b, I1, I2, F> core::marker::Unpin for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where F: core::marker::Unpin
impl<'a, 'b, I1, I2, F> core::panic::unwind_safe::RefUnwindSafe for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where F: core::panic::unwind_safe::RefUnwindSafe, I1: core::panic::unwind_safe::RefUnwindSafe, I2: core::panic::unwind_safe::RefUnwindSafe
impl<'a, 'b, I1, I2, F> core::panic::unwind_safe::UnwindSafe for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where F: core::panic::unwind_safe::UnwindSafe, I1: core::panic::unwind_safe::RefUnwindSafe, I2: core::panic::unwind_safe::RefUnwindSafe
impl<T, U> core::convert::Into for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where U: core::convert::From<T>
pub fn fuc_engine::CopyOp<'a, 'b, I1, I2, F>::into(self) -> U
impl<T, U> core::convert::TryFrom for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where U: core::convert::Into<T>
pub type fuc_engine::CopyOp<'a, 'b, I1, I2, F>::Error = core::convert::Infallible
pub fn fuc_engine::CopyOp<'a, 'b, I1, I2, F>::try_from(value: U) -> core::result::Result<T, <T as core::convert::TryFrom>::Error>
impl<T, U> core::convert::TryInto for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where U: core::convert::TryFrom<T>
pub type fuc_engine::CopyOp<'a, 'b, I1, I2, F>::Error = >::Error
pub fn fuc_engine::CopyOp<'a, 'b, I1, I2, F>::try_into(self) -> core::result::Result<U, >::Error>
impl<T> core::any::Any for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where T: 'static + core::marker::Sized
pub fn fuc_engine::CopyOp<'a, 'b, I1, I2, F>::type_id(&self) -> core::any::TypeId
impl<T> core::borrow::Borrow<T> for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where T: core::marker::Sized
pub fn fuc_engine::CopyOp<'a, 'b, I1, I2, F>::borrow(&self) -> &T
impl<T> core::borrow::BorrowMut<T> for fuc_engine::CopyOp<'a, 'b, I1, I2, F> where T: core::marker::Sized
pub fn fuc_engine::CopyOp<'a, 'b, I1, I2, F>::borrow_mut(&mut self) -> &mut T
impl<T> core::convert::From<T> for fuc_engine::CopyOp<'a, 'b, I1, I2, F>
pub fn fuc_engine::CopyOp<'a, 'b, I1, I2, F>::from(t: T) -> T
impl<T> tracing::instrument::Instrument for fuc_engine::CopyOp<'a, 'b, I1, I2, F>
impl<T> tracing::instrument::WithSubscriber for fuc_engine::CopyOp<'a, 'b, I1, I2, F>
pub struct fuc_engine::RemoveOp<'a, I: core::convert::Into<alloc::borrow::Cow<'a, std::path::Path>> + 'a, F: core::iter::traits::collect::IntoIterator<Item = I>>
impl<'a, I: core::convert::Into<alloc::borrow::Cow<'a, std::path::Path>>, F: core::iter::traits::collect::IntoIterator<Item = I>> fuc_engine::RemoveOp<'a, I, F>
pub fn fuc_engine::RemoveOp<'a, I, F>::run(self) -> core::result::Result<(), fuc_engine::Error>
impl<'a, I: core::convert::Into<alloc::borrow::Cow<'a, std::path::Path>> + 'a, F: core::iter::traits::collect::IntoIterator<Item = I>> fuc_engine::RemoveOp<'a, I, F>
pub fn fuc_engine::RemoveOp<'a, I, F>::builder() -> RemoveOpBuilder<'a, I, F, ((), (), (), ())>
impl<'a, I: core::fmt::Debug + core::convert::Into<alloc::borrow::Cow<'a, std::path::Path>> + 'a, F: core::fmt::Debug + core::iter::traits::collect::IntoIterator<Item = I>> core::fmt::Debug for fuc_engine::RemoveOp<'a, I, F>
pub fn fuc_engine::RemoveOp<'a, I, F>::fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result
impl<'a, I, F> core::marker::Freeze for fuc_engine::RemoveOp<'a, I, F> where F: core::marker::Freeze
impl<'a, I, F> core::marker::Send for fuc_engine::RemoveOp<'a, I, F> where F: core::marker::Send, I: core::marker::Sync
impl<'a, I, F> core::marker::Sync for fuc_engine::RemoveOp<'a, I, F> where F: core::marker::Sync, I: core::marker::Sync
impl<'a, I, F> core::marker::Unpin for fuc_engine::RemoveOp<'a, I, F> where F: core::marker::Unpin
impl<'a, I, F> core::panic::unwind_safe::RefUnwindSafe for fuc_engine::RemoveOp<'a, I, F> where F: core::panic::unwind_safe::RefUnwindSafe, I: core::panic::unwind_safe::RefUnwindSafe
impl<'a, I, F> core::panic::unwind_safe::UnwindSafe for fuc_engine::RemoveOp<'a, I, F> where F: core::panic::unwind_safe::UnwindSafe, I: core::panic::unwind_safe::RefUnwindSafe
impl<T, U> core::convert::Into for fuc_engine::RemoveOp<'a, I, F> where U: core::convert::From<T>
pub fn fuc_engine::RemoveOp<'a, I, F>::into(self) -> U
impl<T, U> core::convert::TryFrom for fuc_engine::RemoveOp<'a, I, F> where U: core::convert::Into<T>
pub type fuc_engine::RemoveOp<'a, I, F>::Error = core::convert::Infallible
pub fn fuc_engine::RemoveOp<'a, I, F>::try_from(value: U) -> core::result::Result<T, <T as core::convert::TryFrom>::Error>
impl<T, U> core::convert::TryInto for fuc_engine::RemoveOp<'a, I, F> where U: core::convert::TryFrom<T>
pub type fuc_engine::RemoveOp<'a, I, F>::Error = >::Error
pub fn fuc_engine::RemoveOp<'a, I, F>::try_into(self) -> core::result::Result<U, >::Error>
impl<T> core::any::Any for fuc_engine::RemoveOp<'a, I, F> where T: 'static + core::marker::Sized
pub fn fuc_engine::RemoveOp<'a, I, F>::type_id(&self) -> core::any::TypeId
impl<T> core::borrow::Borrow<T> for fuc_engine::RemoveOp<'a, I, F> where T: core::marker::Sized
pub fn fuc_engine::RemoveOp<'a, I, F>::borrow(&self) -> &T
impl<T> core::borrow::BorrowMut<T> for fuc_engine::RemoveOp<'a, I, F> where T: core::marker::Sized
pub fn fuc_engine::RemoveOp<'a, I, F>::borrow_mut(&mut self) -> &mut T
impl<T> core::convert::From<T> for fuc_engine::RemoveOp<'a, I, F>
pub fn fuc_engine::RemoveOp<'a, I, F>::from(t: T) -> T
impl<T> tracing::instrument::Instrument for fuc_engine::RemoveOp<'a, I, F>
impl<T> tracing::instrument::WithSubscriber for fuc_engine::RemoveOp<'a, I, F>
pub fn fuc_engine::copy_file<P: core::convert::AsRef<std::path::Path>, Q: core::convert::AsRef<std::path::Path>>(from: P, to: Q) -> core::result::Result<(), fuc_engine::Error>
pub fn fuc_engine::remove_dir_all<P: core::convert::AsRef<std::path::Path>>(path: P) -> core::result::Result<(), fuc_engine::Error>
pub fn fuc_engine::remove_file<P: core::convert::AsRef<std::path::Path>>(path: P) -> core::result::Result<(), fuc_engine::Error>
07070100000041000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001900000000fuc-2.1.0/fuc_engine/src07070100000042000081A40000000000000000000000016614BE5700000346000000000000000000000000000000000000002000000000fuc-2.1.0/fuc_engine/src/lib.rs#![allow(clippy::used_underscore_binding)]
#![allow(clippy::needless_pass_by_value)]

use std::{borrow::Cow, io, path::PathBuf};

use thiserror::Error;

pub use crate::ops::{copy_file, remove_file, remove_file as remove_dir_all, CopyOp, RemoveOp};

mod ops;

#[derive(Error, Debug)]
pub enum Error {
 #[error("An I/O error occurred")]
 Io {
 error: io::Error,
 context: Cow<'static, str>,
 },
 #[error("An attempt was made to delete `/`")]
 PreserveRoot,
 #[error("Failed to join thread")]
 Join,
 #[error("Invalid file path")]
 BadPath,
 #[error("File or directory already exists: {file:?}")]
 AlreadyExists { file: PathBuf },
 #[error("File or directory not found: {file:?}")]
 NotFound { file: PathBuf },
 #[error("An internal bug occurred, please report this")]
 Internal,
}
07070100000043000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001D00000000fuc-2.1.0/fuc_engine/src/ops07070100000044000081A40000000000000000000000016614BE57000052C6000000000000000000000000000000000000002500000000fuc-2.1.0/fuc_engine/src/ops/copy.rsuse std::{borrow::Cow, fmt::Debug, fs, io, marker::PhantomData, path::Path};

use typed_builder::TypedBuilder;

use crate::{
    ops::{compat::DirectoryOp, IoErr},
    Error,
};

/// Copies a file or directory at this path.
///
/// # Errors
///
/// Returns the underlying I/O errors that occurred.
pub fn copy_file<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> Result<(), Error> {
 CopyOp::builder()
 .files([(Cow::Borrowed(from.as_ref()), Cow::Borrowed(to.as_ref()))])
 .build()
 .run()
}

#[derive(TypedBuilder, Debug)]
pub struct CopyOp<
 'a,
 'b,
 I1: Into<Cow<'a, Path>> + 'a,
 I2: Into<Cow<'b, Path>> + 'b,
 F: IntoIterator<Item = (I1, I2)>,
> {
 files: F,
 #[builder(default = false)]
 force: bool,
 #[builder(default)]
 _marker1: PhantomData<&'a I1>,
 #[builder(default)]
 _marker2: PhantomData<&'b I2>,
}

impl<
 'a,
 'b,
 I1: Into<Cow<'a, Path>> + 'a,
 I2: Into<Cow<'b, Path>> + 'b,
 F: IntoIterator<Item = (I1, I2)>,
> CopyOp<'a, 'b, I1, I2, F>
{
 /// Consume and run this copy operation.
 ///
 /// # Errors
 ///
 /// Returns the underlying I/O errors that occurred.
 pub fn run(self) -> Result<(), Error> {
 let copy = compat::copy_impl();
 let result = schedule_copies(self, &copy);
 copy.finish().and(result)
 }
}

#[cfg_attr(
 feature = "tracing",
 tracing::instrument(level = "trace", skip(files, copy))
)]
fn schedule_copies<
 'a,
 'b,
 I1: Into<Cow<'a, Path>> + 'a,
 I2: Into<Cow<'b, Path>> + 'b,
 F: IntoIterator<Item = (I1, I2)>,
>(
 CopyOp {
 files,
 force,
 _marker1: _,
 _marker2: _,
 }: CopyOp<'a, 'b, I1, I2, F>,
 copy: &impl DirectoryOp<(Cow<'a, Path>, Cow<'b, Path>)>,
) -> Result<(), Error> {
 for (from, to) in files {
 let from = from.into();
 let to = to.into();
 if !force {
 match to.symlink_metadata() {
 Ok(_) => {
 return Err(Error::AlreadyExists {
 file: to.into_owned(),
 });
 }
 Err(e) if e.kind() == io::ErrorKind::NotFound => {
 // Do nothing, this is good
 }
 r => {
 r.map_io_err(|| format!("Failed to read metadata for file: {to:?}"))?;
 }
 }
 }

let from_metadata = from
            .symlink_metadata()
            .map_io_err(|| format!("Failed to read metadata for file: {from:?}"))?;

if let Some(parent) = to.parent() {
            fs::create_dir_all(parent)
                .map_io_err(|| format!("Failed to create parent directory: {parent:?}"))?;
        }

#[cfg(unix)]
        if from_metadata.is_dir() {
            use std::os::unix::fs::{DirBuilderExt, MetadataExt};
            match fs::DirBuilder::new()
                .mode(
                    fs::symlink_metadata(&from)
                        .map_io_err(|| format!("Failed to stat directory: {from:?}"))?
                        .mode(),
                )
                .create(&to)
            {
                Err(e) if force && e.kind() == io::ErrorKind::AlreadyExists => {}
                r => r.map_io_err(|| format!("Failed to create directory: {to:?}"))?,
            };
            copy.run((from, to))?;
        } else if from_metadata.is_symlink() {
            let link =
                fs::read_link(&from).map_io_err(|| format!("Failed to read symlink: {from:?}"))?;
            std::os::unix::fs::symlink(link, &to)
                .map_io_err(|| format!("Failed to create symlink: {to:?}"))?;
        } else {
            fs::copy(&from, &to).map_io_err(|| format!("Failed to copy file: {from:?}"))?;
        }

#[cfg(not(unix))]
        if from_metadata.is_dir() {
            copy.run((from, to))?;
        } else {
            fs::copy(&from, &to).map_io_err(|| format!("Failed to copy file: {from:?}"))?;
        }
    }
    Ok(())
}

#[cfg(target_os = "linux")]
mod compat {
    use std::{
        borrow::Cow,
        cell::Cell,
        ffi::{CStr, CString},
        fmt::{Debug, Formatter},
        fs::File,
        io,
        mem::MaybeUninit,
        num::NonZeroUsize,
        os::unix::io::{AsFd, OwnedFd},
        path::Path,
        thread,
        thread::JoinHandle,
    };

use crossbeam_channel::{Receiver, Sender};
    use once_cell::sync::Lazy as LazyCell;
    use rustix::{
        fs::{
            copy_file_range, mkdirat, openat, readlinkat, statx, symlinkat, AtFlags, FileType,
            Mode, OFlags, RawDir, StatxFlags, CWD,
        },
        io::Errno,
        thread::{unshare, UnshareFlags},
    };

use crate::{
        ops::{
            compat::DirectoryOp, concat_cstrs, get_file_type, join_cstr_paths, path_buf_to_cstring,
            IoErr,
        },
        Error,
    };

const EMPTY: &CStr = unsafe { CStr::from_bytes_with_nul_unchecked(b"\0") };

struct Impl<LF: FnOnce() -> (Sender<TreeNode>, JoinHandle<Result<(), Error>>)> {
 #[allow(clippy::type_complexity)]
 scheduling: LazyCell<(Sender<TreeNode>, JoinHandle<Result<(), Error>>), LF>,
 }

pub fn copy_impl<'a, 'b>() -> impl DirectoryOp<(Cow<'a, Path>, Cow<'b, Path>)> {
 let scheduling = LazyCell::new(|| {
 let (tx, rx) = crossbeam_channel::unbounded();
 (tx, thread::spawn(|| root_worker_thread(rx)))
 });

Impl { scheduling }
    }

impl<LF: FnOnce() -> (Sender<TreeNode>, JoinHandle<Result<(), Error>>)>
 DirectoryOp<(Cow<'_, Path>, Cow<'_, Path>)> for Impl<LF>
 {
 #[cfg_attr(feature = "tracing", tracing::instrument(level = "trace", skip(self)))]
 fn run(&self, (from, to): (Cow<Path>, Cow<Path>)) -> Result<(), Error> {
 let (tasks, _) = &*self.scheduling;
 tasks
 .send(TreeNode {
 from: path_buf_to_cstring(from.into_owned())?,
 to: path_buf_to_cstring(to.into_owned())?,
 messages: tasks.clone(),
 })
 .map_err(|_| Error::Internal)
 }

#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace", skip(self)))]
 fn finish(self) -> Result<(), Error> {
 let Self { scheduling } = self;

if let Ok((tasks, thread)) = LazyCell::into_value(scheduling) {
                drop(tasks);
                thread.join().map_err(|_| Error::Join)??;
            }
            Ok(())
        }
    }

#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace", skip(tasks)))]
 fn root_worker_thread(tasks: Receiver<TreeNode>) -> Result<(), Error> {
 let mut available_parallelism = thread::available_parallelism()
 .map(NonZeroUsize::get)
 .unwrap_or(1)
 - 1;

thread::scope(|scope| {
            let mut threads = Vec::with_capacity(available_parallelism);

{
 let mut root_to_inode = None;
 let mut buf = [MaybeUninit::<u8>::uninit(); 8192];
 let symlink_buf_cache = Cell::new(Vec::new());
 for node in &tasks {
 let root_to_inode = if let Some(root_to_inode) = root_to_inode {
 root_to_inode
 } else {
 let to_dir = openat(
 CWD,
 &node.to,
 OFlags::RDONLY | OFlags::DIRECTORY | OFlags::PATH,
 Mode::empty(),
 )
 .map_io_err(|| format!("Failed to open directory: {:?}", node.to))?;
 let to_metadata =
 statx(to_dir, EMPTY, AtFlags::EMPTY_PATH, StatxFlags::INO).map_io_err(
 || format!("Failed to stat directory: {:?}", node.to),
 )?;
 root_to_inode = Some(to_metadata.stx_ino);
 to_metadata.stx_ino
 };

let mut maybe_spawn = || {
                        if available_parallelism > 0 && !tasks.is_empty() {
                            #[cfg(feature = "tracing")]
                            tracing::event!(
                                tracing::Level::TRACE,
                                available_parallelism,
                                "Spawning new thread."
                            );

available_parallelism -= 1;
                            threads.push(scope.spawn({
                                let tasks = tasks.clone();
                                move || worker_thread(tasks, root_to_inode)
                            }));
                        }
                    };
                    maybe_spawn();

copy_dir(
                        node,
                        root_to_inode,
                        &mut buf,
                        &symlink_buf_cache,
                        maybe_spawn,
                    )?;
                }
            }

for thread in threads {
                thread.join().map_err(|_| Error::Join)??;
            }
            Ok(())
        })
    }

#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace", skip(tasks)))]
 fn worker_thread(tasks: Receiver<TreeNode>, root_to_inode: u64) -> Result<(), Error> {
 unshare(UnshareFlags::FILES).map_io_err(|| "Failed to unshare FD table.")?;

let mut buf = [MaybeUninit::<u8>::uninit(); 8192];
 let symlink_buf_cache = Cell::new(Vec::new());
 for node in tasks {
 copy_dir(node, root_to_inode, &mut buf, &symlink_buf_cache, || {})?;
 }
 Ok(())
 }

#[cfg_attr(
 feature = "tracing",
 tracing::instrument(level = "info", skip(messages, buf, symlink_buf_cache, maybe_spawn))
 )]
 fn copy_dir(
 TreeNode { from, to, messages }: TreeNode,
 root_to_inode: u64,
 buf: &mut [MaybeUninit<u8>],
 symlink_buf_cache: &Cell<Vec<u8>>,
 mut maybe_spawn: impl FnMut(),
 ) -> Result<(), Error> {
 let from_dir = openat(
 CWD,
 &from,
 OFlags::RDONLY | OFlags::DIRECTORY | OFlags::NOFOLLOW,
 Mode::empty(),
 )
 .map_io_err(|| format!("Failed to open directory: {from:?}"))?;
 let to_dir = openat(
 CWD,
 &to,
 OFlags::RDONLY | OFlags::DIRECTORY | OFlags::PATH,
 Mode::empty(),
 )
 .map_io_err(|| format!("Failed to open directory: {to:?}"))?;

let mut raw_dir = RawDir::new(&from_dir, buf);
        while let Some(file) = raw_dir.next() {
            let file = file.map_io_err(|| format!("Failed to read directory: {from:?}"))?;
            if file.ino() == root_to_inode {
                // Block recursive descent from parent into child (e.g. cp parent parent/child).
                continue;
            }
            {
                let name = file.file_name().to_bytes();
                if name == b"." || name == b".." {
                    continue;
                }
            }

let file_type = match file.file_type() {
                FileType::Unknown => get_file_type(&from_dir, file.file_name(), &from)?,
                t => t,
            };
            if file_type == FileType::Directory {
                let from = concat_cstrs(&from, file.file_name());
                let to = concat_cstrs(&to, file.file_name());

copy_one_dir(&from_dir, &from, &to)?;
                maybe_spawn();
                messages
                    .send(TreeNode {
                        from,
                        to,
                        messages: messages.clone(),
                    })
                    .map_err(|_| Error::Internal)?;
            } else {
                copy_one_file(
                    &from_dir,
                    &to_dir,
                    file.file_name(),
                    file_type,
                    &from,
                    &to,
                    symlink_buf_cache,
                )?;
            }
        }
        Ok(())
    }

#[cfg_attr(
 feature = "tracing",
 tracing::instrument(level = "trace", skip(from_dir))
 )]
 pub fn copy_one_dir(
 from_dir: impl AsFd,
 from_path: &CString,
 to_path: &CString,
 ) -> Result<(), Error> {
 let from_mode = {
 let from_metadata = statx(from_dir, EMPTY, AtFlags::EMPTY_PATH, StatxFlags::MODE)
 .map_io_err(|| format!("Failed to stat directory: {from_path:?}"))?;
 Mode::from_raw_mode(from_metadata.stx_mode.into())
 };
 match mkdirat(CWD, to_path, from_mode) {
 Err(Errno::EXIST) => {}
 r => r.map_io_err(|| format!("Failed to create directory: {to_path:?}"))?,
 };

Ok(())
    }

#[cfg_attr(
 feature = "tracing",
 tracing::instrument(level = "debug", skip(from_dir, to_dir, symlink_buf_cache))
 )]
 fn copy_one_file(
 from_dir: impl AsFd,
 to_dir: impl AsFd,
 file_name: &CStr,
 file_type: FileType,
 from_path: &CString,
 to_path: &CString,
 symlink_buf_cache: &Cell<Vec<u8>>,
 ) -> Result<(), Error> {
 if file_type == FileType::Symlink {
 copy_symlink(
 from_dir,
 to_dir,
 file_name,
 from_path,
 to_path,
 symlink_buf_cache,
 )
 } else {
 let (from, to) = prep_regular_file(from_dir, to_dir, file_name, from_path, to_path)?;
 if file_type == FileType::RegularFile {
 copy_regular_file(from, to, file_name, from_path)
 } else {
 copy_any_file(from, to, file_name, from_path)
 }
 }
 }

#[cfg_attr(
 feature = "tracing",
 tracing::instrument(level = "trace", skip(from, to))
 )]
 fn copy_regular_file(
 from: OwnedFd,
 to: OwnedFd,
 file_name: &CStr,
 from_path: &CString,
 ) -> Result<(), Error> {
 let mut total_copied = 0;
 loop {
 let byte_copied =
 match copy_file_range(&from, None, &to, None, usize::MAX / 2 - total_copied) {
 Err(Errno::XDEV) if total_copied == 0 => {
 return copy_any_file(from, to, file_name, from_path);
 }
 r => r.map_io_err(|| {
 format!(
 "Failed to copy file: {:?}",
 join_cstr_paths(from_path, file_name)
 )
 })?,
 };

if byte_copied == 0 {
                return Ok(());
            }
            total_copied += byte_copied;
        }
    }

#[cold]
 #[cfg_attr(
 feature = "tracing",
 tracing::instrument(level = "trace", skip(from, to))
 )]
 fn copy_any_file(
 from: OwnedFd,
 to: OwnedFd,
 file_name: &CStr,
 from_path: &CString,
 ) -> Result<(), Error> {
 io::copy(&mut File::from(from), &mut File::from(to))
 .map_io_err(|| {
 format!(
 "Failed to copy file: {:?}",
 join_cstr_paths(from_path, file_name)
 )
 })
 .map(|_| ())
 }

#[cfg_attr(
 feature = "tracing",
 tracing::instrument(level = "trace", skip(from_dir, to_dir))
 )]
 fn prep_regular_file(
 from_dir: impl AsFd,
 to_dir: impl AsFd,
 file_name: &CStr,
 from_path: &CString,
 to_path: &CString,
 ) -> Result<(OwnedFd, OwnedFd), Error> {
 let from =
 openat(&from_dir, file_name, OFlags::RDONLY, Mode::empty()).map_io_err(|| {
 format!(
 "Failed to open file: {:?}",
 join_cstr_paths(from_path, file_name)
 )
 })?;

Ok((from, to))
    }

#[cold]
 #[cfg_attr(
 feature = "tracing",
 tracing::instrument(level = "trace", skip(from_dir, to_dir, symlink_buf_cache))
 )]
 fn copy_symlink(
 from_dir: impl AsFd,
 to_dir: impl AsFd,
 file_name: &CStr,
 from_path: &CString,
 to_path: &CString,
 symlink_buf_cache: &Cell<Vec<u8>>,
 ) -> Result<(), Error> {
 let from_symlink =
 readlinkat(from_dir, file_name, symlink_buf_cache.take()).map_io_err(|| {
 format!(
 "Failed to read symlink: {:?}",
 join_cstr_paths(from_path, file_name)
 )
 })?;

symlinkat(&from_symlink, &to_dir, file_name).map_io_err(|| {
            format!(
                "Failed to create symlink: {:?}",
                join_cstr_paths(to_path, file_name)
            )
        })?;

symlink_buf_cache.set(from_symlink.into_bytes_with_nul());
        Ok(())
    }

struct TreeNode {
 from: CString,
 to: CString,
 messages: Sender<TreeNode>,
 }

impl Debug for TreeNode {
 fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
 f.debug_struct("TreeNode")
 .field("from", &self.from)
 .field("to", &self.to)
 .finish_non_exhaustive()
 }
 }
}

#[cfg(not(target_os = "linux"))]
mod compat {
    use std::{borrow::Cow, fs, io, path::Path};

use rayon::prelude::*;

use crate::{
        ops::{compat::DirectoryOp, IoErr},
        Error,
    };

struct Impl;

pub fn copy_impl<'a, 'b>() -> impl DirectoryOp<(Cow<'a, Path>, Cow<'b, Path>)> {
 Impl
 }

impl DirectoryOp<(Cow<'_, Path>, Cow<'_, Path>)> for Impl {
 fn run(&self, (from, to): (Cow<Path>, Cow<Path>)) -> Result<(), Error> {
 copy_dir(
 &from,
 to,
 #[cfg(unix)]
 None,
 )
 .map_io_err(|| format!("Failed to copy directory: {from:?}"))
 }

fn finish(self) -> Result<(), Error> {
 Ok(())
 }
 }

fn copy_dir<P: AsRef<Path>, Q: AsRef<Path>>(
 from: P,
 to: Q,
 #[cfg(unix)] root_to_inode: Option<u64>,
 ) -> Result<(), io::Error> {
 let to = to.as_ref();
 match fs::create_dir(to) {
 Err(e) if e.kind() == io::ErrorKind::AlreadyExists => {}
 r => r?,
 };
 #[cfg(unix)]
 let root_to_inode = Some(maybe_compute_root_to_inode(to, root_to_inode)?);

from.as_ref()
 .read_dir()?
 .par_bridge()
 .try_for_each(|dir_entry| -> io::Result<()> {
 let dir_entry = dir_entry?;

#[cfg(unix)]
                {
                    use std::os::unix::fs::DirEntryExt;
                    if Some(dir_entry.ino()) == root_to_inode {
                        return Ok(());
                    }
                }

let to = to.join(dir_entry.file_name());
                let file_type = dir_entry.file_type()?;

#[cfg(unix)]
                if file_type.is_dir() {
                    copy_dir(dir_entry.path(), to, root_to_inode)?;
                } else if file_type.is_symlink() {
                    std::os::unix::fs::symlink(fs::read_link(dir_entry.path())?, to)?;
                } else {
                    fs::copy(dir_entry.path(), to)?;
                }

#[cfg(not(unix))]
                if file_type.is_dir() {
                    copy_dir(dir_entry.path(), to)?;
                } else {
                    fs::copy(dir_entry.path(), to)?;
                }

Ok(())
            })
    }

#[cfg(unix)]
 fn maybe_compute_root_to_inode<P: AsRef<Path>>(
 to: P,
 root_to_inode: Option<u64>,
 ) -> Result<u64, io::Error> {
 Ok(if let Some(ino) = root_to_inode {
 ino
 } else {
 use std::os::unix::fs::MetadataExt;
 fs::metadata(to)?.ino()
 })
 }
}
07070100000045000081A40000000000000000000000016614BE5700000C29000000000000000000000000000000000000002400000000fuc-2.1.0/fuc_engine/src/ops/mod.rsuse std::{borrow::Cow, io};

pub use copy::{copy_file, CopyOp};
#[cfg(target_os = "linux")]
use linux::{concat_cstrs, get_file_type, join_cstr_paths, path_buf_to_cstring};
pub use remove::{remove_file, RemoveOp};

use crate::Error;

mod copy;
mod remove;

trait IoErr<Out> {
 fn map_io_err<I: Into<Cow<'static, str>>>(self, f: impl FnOnce() -> I) -> Out;
}

impl<T> IoErr<Result<T, Error>> for Result<T, io::Error> {
 fn map_io_err<I: Into<Cow<'static, str>>>(
 self,
 context: impl FnOnce() -> I,
 ) -> Result<T, Error> {
 self.map_err(|error| Error::Io {
 error,
 context: context().into(),
 })
 }
}

#[cfg(target_os = "linux")]
mod linux {
    use std::{
        borrow::Cow,
        ffi::{CStr, CString, OsStr, OsString},
        io,
        os::unix::{
            ffi::{OsStrExt, OsStringExt},
            io::AsFd,
        },
        path::{Path, PathBuf, MAIN_SEPARATOR},
    };

use rustix::fs::{statx, AtFlags, FileType, StatxFlags};

use crate::{ops::IoErr, Error};

impl<T> IoErr<Result<T, Error>> for Result<T, rustix::io::Errno> {
 fn map_io_err<I: Into<Cow<'static, str>>>(
 self,
 context: impl FnOnce() -> I,
 ) -> Result<T, Error> {
 self.map_err(io::Error::from).map_io_err(context)
 }
 }

#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace"))]
 pub fn path_buf_to_cstring(buf: PathBuf) -> Result<CString, Error> {
 CString::new(OsString::from(buf).into_vec()).map_err(|_| Error::BadPath)
 }

#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace"))]
    pub fn concat_cstrs(prefix: &CString, name: &CStr) -> CString {
        let prefix = prefix.as_bytes();
        let name = name.to_bytes_with_nul();

let mut path = Vec::with_capacity(prefix.len() + 1 + name.len());
        path.extend_from_slice(prefix);
        path.push(u8::try_from(MAIN_SEPARATOR).unwrap());
        path.extend_from_slice(name);
        unsafe { CString::from_vec_with_nul_unchecked(path) }
    }

#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace"))]
    pub fn join_cstr_paths(path: &CString, name: &CStr) -> PathBuf {
        Path::new(OsStr::from_bytes(path.as_bytes()))
            .join(Path::new(OsStr::from_bytes(name.to_bytes())))
    }

#[cold]
 #[cfg_attr(feature = "tracing", tracing::instrument(level = "trace", skip(dir)))]
 pub fn get_file_type(
 dir: impl AsFd,
 file_name: &CStr,
 path: &CString,
 ) -> Result<FileType, Error> {
 statx(dir, file_name, AtFlags::SYMLINK_NOFOLLOW, StatxFlags::TYPE)
 .map_io_err(|| {
 format!(
 "Failed to stat file: {:?}",
 join_cstr_paths(path, file_name)
 )
 })
 .map(|metadata| FileType::from_raw_mode(metadata.stx_mode.into()))
 }
}

mod compat {
    use crate::Error;

pub trait DirectoryOp<T> {
 fn run(&self, dir: T) -> Result<(), Error>;

fn finish(self) -> Result<(), Error>;
 }
}
07070100000046000081A40000000000000000000000016614BE5700003B89000000000000000000000000000000000000002700000000fuc-2.1.0/fuc_engine/src/ops/remove.rsuse std::{
 borrow::Cow,
 ffi::OsStr,
 fmt::Debug,
 fs, io,
 marker::PhantomData,
 path::{Path, MAIN_SEPARATOR_STR},
};

use typed_builder::TypedBuilder;

use crate::{
    ops::{compat::DirectoryOp, IoErr},
    Error,
};

/// Removes a file or directory at this path, after removing all its contents.
///
/// This function does **not** follow symbolic links: it will simply remove
/// the symbolic link itself.
///
/// # Errors
///
/// Returns the underlying I/O errors that occurred.
pub fn remove_file<P: AsRef<Path>>(path: P) -> Result<(), Error> {
 RemoveOp::builder()
 .files([Cow::Borrowed(path.as_ref())])
 .build()
 .run()
}

#[derive(TypedBuilder, Debug)]
pub struct RemoveOp<'a, I: Into<Cow<'a, Path>> + 'a, F: IntoIterator<Item = I>> {
 files: F,
 #[builder(default = false)]
 force: bool,
 #[builder(default = true)]
 preserve_root: bool,
 #[builder(default)]
 _marker: PhantomData<&'a I>,
}

impl<'a, I: Into<Cow<'a, Path>>, F: IntoIterator<Item = I>> RemoveOp<'a, I, F> {
 /// Consume and run this remove operation.
 ///
 /// # Errors
 ///
 /// Returns the underlying I/O errors that occurred.
 pub fn run(self) -> Result<(), Error> {
 let remove = compat::remove_impl();
 let result = schedule_deletions(self, &remove);
 remove.finish().and(result)
 }
}

#[cfg_attr(
 feature = "tracing",
 tracing::instrument(level = "trace", skip(files, remove))
)]
fn schedule_deletions<'a, I: Into<Cow<'a, Path>>, F: IntoIterator<Item = I>>(
 RemoveOp {
 files,
 force,
 preserve_root,
 _marker: _,
 }: RemoveOp<'a, I, F>,
 remove: &impl DirectoryOp<Cow<'a, Path>>,
) -> Result<(), Error> {
 for file in files {
 let file = file.into();
 if preserve_root && file == Path::new("/") {
 return Err(Error::PreserveRoot);
 }
 let stripped_path = {
 let trailing_slash_stripped = file
 .as_os_str()
 .as_encoded_bytes()
 .strip_suffix(MAIN_SEPARATOR_STR.as_bytes())
 .unwrap_or(file.as_os_str().as_encoded_bytes());
 let path = unsafe { OsStr::from_encoded_bytes_unchecked(trailing_slash_stripped) };
 Path::new(path)
 };

let is_dir = match stripped_path.symlink_metadata() {
            Err(e) if e.kind() == io::ErrorKind::NotFound => {
                if force {
                    continue;
                }

return Err(Error::NotFound {
                    file: stripped_path.to_path_buf(),
                });
            }
            r => r,
        }
        .map_io_err(|| format!("Failed to read metadata for file: {stripped_path:?}"))?
        .is_dir();

if is_dir {
            remove.run(
                if file.as_os_str().len() == stripped_path.as_os_str().len() {
                    file
                } else {
                    Cow::Owned(stripped_path.to_path_buf())
                },
            )?;
        } else {
            fs::remove_file(stripped_path)
                .map_io_err(|| format!("Failed to delete file: {stripped_path:?}"))?;
        }
    }
    Ok(())
}

#[cfg(target_os = "linux")]
mod compat {
    use std::{
        borrow::Cow,
        env::{current_dir, set_current_dir},
        ffi::{CStr, CString, OsStr},
        fmt::{Debug, Formatter},
        fs,
        mem::MaybeUninit,
        num::NonZeroUsize,
        os::{
            fd::{AsFd, OwnedFd},
            unix::ffi::OsStrExt,
        },
        path::{Path, PathBuf},
        sync::Arc,
        thread,
        thread::JoinHandle,
    };

use crossbeam_channel::{Receiver, Sender};
    use once_cell::sync::Lazy as LazyCell;
    use rustix::{
        fs::{openat, unlinkat, AtFlags, FileType, Mode, OFlags, RawDir, CWD},
        thread::{unshare, UnshareFlags},
    };

use crate::{
        ops::{
            compat::DirectoryOp, concat_cstrs, get_file_type, join_cstr_paths, path_buf_to_cstring,
            IoErr,
        },
        Error,
    };

pub fn remove_impl<'a>() -> impl DirectoryOp<Cow<'a, Path>> {
 let scheduling = LazyCell::new(|| {
 let (tx, rx) = crossbeam_channel::unbounded();
 (tx, thread::spawn(|| root_worker_thread(rx)))
 });

Impl { scheduling }
    }

impl<LF: FnOnce() -> (Sender<TreeNode>, JoinHandle<Result<(), Error>>)>
 DirectoryOp<Cow<'_, Path>> for Impl<LF>
 {
 #[cfg_attr(feature = "tracing", tracing::instrument(level = "trace", skip(self)))]
 fn run(&self, dir: Cow<Path>) -> Result<(), Error> {
 let Self { ref scheduling } = *self;

let (tasks, _) = &**scheduling;
            tasks
                .send(TreeNode {
                    path: path_buf_to_cstring(dir.into_owned())?,
                    parent: None,
                    messages: tasks.clone(),
                })
                .map_err(|_| Error::Internal)
        }

#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace", skip(self)))]
 fn finish(self) -> Result<(), Error> {
 let Self { scheduling } = self;

if let Ok((tasks, thread)) = LazyCell::into_value(scheduling) {
                drop(tasks);
                thread.join().map_err(|_| Error::Join)??;
            }
            Ok(())
        }
    }

#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace", skip(tasks)))]
 fn root_worker_thread(tasks: Receiver<TreeNode>) -> Result<(), Error> {
 unshare(UnshareFlags::FILES | UnshareFlags::FS).map_io_err(|| "Failed to unshare I/O.")?;

let mut available_parallelism = thread::available_parallelism()
            .map(NonZeroUsize::get)
            .unwrap_or(1)
            - 1;

thread::scope(|scope| {
            let mut threads = Vec::with_capacity(available_parallelism);

{
 let mut buf = [MaybeUninit::<u8>::uninit(); 8192];
 for message in &tasks {
 let mut maybe_spawn = || {
 if available_parallelism > 0 && !tasks.is_empty() {
 #[cfg(feature = "tracing")]
 tracing::event!(
 tracing::Level::TRACE,
 available_parallelism,
 "Spawning new thread."
 );

available_parallelism -= 1;
                            threads.push(scope.spawn({
                                let tasks = tasks.clone();
                                || worker_thread(tasks)
                            }));
                        }
                    };
                    maybe_spawn();

delete_dir(message, &mut buf, maybe_spawn)?;
                }
            }

for thread in threads {
                thread.join().map_err(|_| Error::Join)??;
            }
            Ok(())
        })
    }

#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace", skip(tasks)))]
 fn worker_thread(tasks: Receiver<TreeNode>) -> Result<(), Error> {
 unshare(UnshareFlags::FILES | UnshareFlags::FS).map_io_err(|| "Failed to unshare I/O.")?;

let mut buf = [MaybeUninit::<u8>::uninit(); 8192];
 for message in tasks {
 delete_dir(message, &mut buf, || {})?;
 }
 Ok(())
 }

#[cfg_attr(
 feature = "tracing",
 tracing::instrument(level = "info", skip(buf, maybe_spawn))
 )]
 fn delete_dir(
 node: TreeNode,
 buf: &mut [MaybeUninit<u8>],
 maybe_spawn: impl FnMut(),
 ) -> Result<(), Error> {
 let dir = openat(
 CWD,
 &node.path,
 OFlags::RDONLY | OFlags::DIRECTORY | OFlags::NOFOLLOW,
 Mode::empty(),
 )
 .map_io_err(|| format!("Failed to open directory: {:?}", node.path))?;
 let node = delete_dir_contents(node, dir, buf, maybe_spawn)?;
 delete_empty_dir_chain(node)
 }

#[cfg_attr(
 feature = "tracing",
 tracing::instrument(level = "trace", skip(dir, buf, maybe_spawn))
 )]
 fn delete_dir_contents(
 node: TreeNode,
 dir: OwnedFd,
 buf: &mut [MaybeUninit<u8>],
 mut maybe_spawn: impl FnMut(),
 ) -> Result<Option<TreeNode>, Error> {
 enum Arcable<T> {
 Raw(T),
 Arced(Arc<T>),
 }

impl<T> Arcable<T> {
 fn into_inner(this: Self) -> Option<T> {
 match this {
 Self::Raw(t) => Some(t),
 Self::Arced(arc) => Arc::into_inner(arc),
 }
 }
 }

impl<T> AsRef<T> for Arcable<T> {
 fn as_ref(&self) -> &T {
 match self {
 Self::Raw(node) => node,
 Self::Arced(arc) => arc,
 }
 }
 }

let mut node = Arcable::Raw(node);
        let mut raw_dir = RawDir::new(&dir, buf);
        while let Some(file) = raw_dir.next() {
            let file =
                file.map_io_err(|| format!("Failed to read directory: {:?}", node.as_ref().path))?;
            {
                let name = file.file_name().to_bytes();
                if name == b"." || name == b".." {
                    continue;
                }
            }

let file_type = match file.file_type() {
                FileType::Unknown => get_file_type(&dir, file.file_name(), &node.as_ref().path)?,
                t => t,
            };
            if file_type == FileType::Directory {
                if node.as_ref().path.as_bytes_with_nul().len() + file.file_name().to_bytes().len()
                    > 4096
                {
                    long_path_fallback_deletion(&node.as_ref().path, file.file_name())?;
                    continue;
                }

maybe_spawn();

Ok(Arcable::into_inner(node))
    }

#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace"))]
 fn delete_empty_dir_chain(mut node: Option<TreeNode>) -> Result<(), Error> {
 let mut result = Ok(());
 while let Some(TreeNode {
 ref path,
 parent,
 messages: _,
 }) = node
 {
 if result.is_ok() {
 result = unlinkat(CWD, path, AtFlags::REMOVEDIR)
 .map_io_err(|| format!("Failed to delete directory: {path:?}"));
 }
 node = parent.and_then(Arc::into_inner);
 }
 result
 }

#[cfg_attr(feature = "tracing", tracing::instrument(level = "debug", skip(dir)))]
 fn delete_file(node: &TreeNode, dir: impl AsFd, file: &CStr) -> Result<(), Error> {
 unlinkat(&dir, file, AtFlags::empty()).map_io_err(|| {
 format!(
 "Failed to delete file: {:?}",
 join_cstr_paths(&node.path, file)
 )
 })
 }

#[cold]
 #[cfg_attr(feature = "tracing", tracing::instrument(level = "trace"))]
 fn long_path_fallback_deletion(parent: &CString, child: &CStr) -> Result<(), Error> {
 struct CurrentDir(PathBuf);

impl CurrentDir {
 fn new() -> Result<Self, Error> {
 Ok(Self(
 current_dir().map_io_err(|| "Failed to get current directory")?,
 ))
 }
 }

impl Drop for CurrentDir {
            fn drop(&mut self) {
                set_current_dir(&self.0).expect("Failed to restore current dir");
            }
        }

struct TreeNode {
 path: CString,
 parent: Option<Arc<TreeNode>>,
 messages: Sender<TreeNode>,
 }

impl Debug for TreeNode {
 fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
 self.path.fmt(f)
 }
 }
}

#[cfg(all(not(target_os = "linux"), not(target_os = "windows")))]
mod compat {
    use std::{borrow::Cow, fs, io, path::Path};

use rayon::prelude::*;

use crate::{
        ops::{compat::DirectoryOp, IoErr},
        Error,
    };

struct Impl;

pub fn remove_impl<'a>() -> impl DirectoryOp<Cow<'a, Path>> {
 Impl
 }

impl DirectoryOp<Cow<'_, Path>> for Impl {
 fn run(&self, dir: Cow<Path>) -> Result<(), Error> {
 remove_dir_all(&dir).map_io_err(|| format!("Failed to delete directory: {dir:?}"))
 }

fn finish(self) -> Result<(), Error> {
 Ok(())
 }
 }

fn remove_dir_all<P: AsRef<Path>>(path: P) -> Result<(), io::Error> {
 let path = path.as_ref();
 path.read_dir()?
 .par_bridge()
 .try_for_each(|dir_entry| -> io::Result<()> {
 let dir_entry = dir_entry?;
 if dir_entry.file_type()?.is_dir() {
 remove_dir_all(dir_entry.path())?;
 } else {
 fs::remove_file(dir_entry.path())?;
 }
 Ok(())
 })?;
 fs::remove_dir(path)
 }
}

#[cfg(target_os = "windows")]
mod compat {
    use std::{borrow::Cow, path::Path};

use remove_dir_all::remove_dir_all;

use crate::{
        ops::{compat::DirectoryOp, IoErr},
        Error,
    };

struct Impl;

pub fn remove_impl<'a>() -> impl DirectoryOp<Cow<'a, Path>> {
 Impl
 }

fn finish(self) -> Result<(), Error> {
 Ok(())
 }
 }
}
07070100000047000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001B00000000fuc-2.1.0/fuc_engine/tests07070100000048000081A40000000000000000000000016614BE570000004E000000000000000000000000000000000000002200000000fuc-2.1.0/fuc_engine/tests/api.rs#[test]
#[cfg(target_os = "linux")]
fn api() {
 supercilex_tests::api();
}
07070100000049000081A40000000000000000000000016614BE5700000D9F000000000000000000000000000000000000002300000000fuc-2.1.0/fuc_engine/tests/copy.rsuse std::{borrow::Cow, fs, fs::File};

use tempfile::tempdir;

#[test]
fn pre_existing_file_no_force() {
    let root = tempdir().unwrap();
    let from = root.path().join("from");
    File::create(&from).unwrap();
    let to = root.path().join("to");
    File::create(&to).unwrap();

fuc_engine::CopyOp::builder()
        .files([(Cow::Owned(from), Cow::Owned(to))])
        .force(false)
        .build()
        .run()
        .unwrap_err();
}

#[test]
fn pre_existing_file_force() {
    let root = tempdir().unwrap();
    let from = root.path().join("from");
    File::create(&from).unwrap();
    let to = root.path().join("to");
    File::create(&to).unwrap();

fuc_engine::CopyOp::builder()
        .files([(Cow::Owned(from), Cow::Owned(to))])
        .force(true)
        .build()
        .run()
        .unwrap();
}

#[test]
fn pre_existing_dir_force() {
    let root = tempdir().unwrap();
    let from = root.path().join("from");
    fs::create_dir(&from).unwrap();
    File::create(from.join("a")).unwrap();
    File::create(from.join("b")).unwrap();
    let to = root.path().join("to");
    fs::create_dir(&to).unwrap();
    File::create(to.join("b")).unwrap();
    File::create(to.join("c")).unwrap();

fuc_engine::CopyOp::builder()
        .files([(Cow::Owned(from), Cow::Borrowed(to.as_path()))])
        .force(true)
        .build()
        .run()
        .unwrap();

assert!(to.join("a").exists());
    assert!(to.join("b").exists());
    assert!(to.join("c").exists());
}

#[test]
#[cfg(unix)]
fn self_nested() {
    let root = tempdir().unwrap();
    let from = root.path().join("from");
    fs::create_dir(&from).unwrap();
    let to = root.path().join("from/to");

fuc_engine::CopyOp::builder()
        .files([(Cow::Owned(from), Cow::Borrowed(to.as_path()))])
        .force(true)
        .build()
        .run()
        .unwrap();

assert!(to.exists());
}

#[test]
fn non_existent_parent_dir() {
    let root = tempdir().unwrap();
    let from = root.path().join("from");
    fs::create_dir(&from).unwrap();
    let to = root.path().join("a/b/c/to");

fuc_engine::CopyOp::builder()
        .files([(Cow::Owned(from), Cow::Borrowed(to.as_path()))])
        .force(true)
        .build()
        .run()
        .unwrap();

assert!(to.exists());
}

#[test]
fn one_file() {
    let root = tempdir().unwrap();
    let from = root.path().join("from");
    File::create(&from).unwrap();
    let to = root.path().join("to");

fuc_engine::copy_file(&from, &to).unwrap();

assert!(to.exists());
}

#[test]
fn one_dir() {
    let root = tempdir().unwrap();
    let from = root.path().join("from");
    fs::create_dir(&from).unwrap();
    File::create(from.join("file")).unwrap();
    let to = root.path().join("to");

fuc_engine::copy_file(&from, &to).unwrap();

assert!(to.exists());
}

#[test]
#[cfg(unix)]
fn symbolic_link_copy_dir() {
    let root = tempdir().unwrap();
    let from = root.path().join("dir");
    fs::create_dir(&from).unwrap();
    std::os::unix::fs::symlink(".", from.join("file")).unwrap();
    let to = root.path().join("to");

fuc_engine::copy_file(&from, &to).unwrap();

assert!(to.exists());
}

#[test]
#[cfg(unix)]
fn symbolic_link_copy_link() {
    let root = tempdir().unwrap();
    let from = root.path().join("from");
    std::os::unix::fs::symlink(".", &from).unwrap();
    let to = root.path().join("to");

fuc_engine::copy_file(&from, &to).unwrap();

assert!(to.exists());
}
0707010000004A000081A40000000000000000000000016614BE5700000CD6000000000000000000000000000000000000002500000000fuc-2.1.0/fuc_engine/tests/remove.rsuse std::{borrow::Cow, fs, fs::File, io, num::NonZeroU64};

use ftzz::{Generator, NumFilesWithRatio};
use io_adapters::WriteExtension;
use rstest::rstest;
use tempfile::tempdir;

#[test]
fn non_existent_file_no_force() {
    let root = tempdir().unwrap();
    let file = root.path().join("file");

fuc_engine::RemoveOp::builder()
        .files([Cow::Borrowed(file.as_path())])
        .force(false)
        .build()
        .run()
        .unwrap_err();

assert!(!file.exists());
    assert!(root.path().exists());
}

#[test]
fn non_existent_file_force() {
    let root = tempdir().unwrap();
    let file = root.path().join("file");

fuc_engine::RemoveOp::builder()
        .files([Cow::Borrowed(file.as_path())])
        .force(true)
        .build()
        .run()
        .unwrap();

assert!(!file.exists());
    assert!(root.path().exists());
}

#[test]
fn one_file() {
    let root = tempdir().unwrap();
    let file = root.path().join("file");
    File::create(&file).unwrap();
    assert!(file.exists());

fuc_engine::remove_file(&file).unwrap();

assert!(!file.exists());
    assert!(root.path().exists());
}

#[test]
fn one_dir() {
    let root = tempdir().unwrap();
    let dir = root.path().join("dir");
    fs::create_dir(&dir).unwrap();
    assert!(dir.exists());

fuc_engine::remove_file(&dir).unwrap();

assert!(!dir.exists());
    assert!(root.path().exists());
}

#[test]
#[cfg(unix)]
fn symbolic_link_delete_dir() {
    let root = tempdir().unwrap();
    let dir = root.path().join("dir");
    fs::create_dir(&dir).unwrap();
    let file = dir.join("file");
    std::os::unix::fs::symlink(".", &file).unwrap();
    assert!(file.exists());

fuc_engine::remove_file(&dir).unwrap();

assert!(!file.exists());
    assert!(root.path().exists());
}

#[test]
#[cfg(unix)]
fn symbolic_link_delete_link() {
    let root = tempdir().unwrap();
    let file = root.path().join("file");
    std::os::unix::fs::symlink(".", &file).unwrap();
    assert!(file.exists());

fuc_engine::remove_file(&file).unwrap();

assert!(!file.exists());
    assert!(root.path().exists());
}

#[test]
#[cfg(target_os = "linux")]
fn extremely_long_file_name() {
    use std::{
        env::{current_dir, set_current_dir},
        fs::create_dir,
    };

let cwd = current_dir().unwrap();
    let root = tempdir().unwrap();
    set_current_dir(&root).unwrap();

for _ in 0..10_000 {
        create_dir("dir").unwrap();
        set_current_dir("dir").unwrap();
    }
    File::create("file").unwrap();
    set_current_dir(cwd).unwrap();

let target = root.path().join("dir");
    assert!(target.exists());

fuc_engine::remove_file(&target).unwrap();

assert!(!target.exists());
    assert!(root.path().exists());
}

#[rstest]
fn uniform(#[values(1_000, 100_000)] num_files: u64) {
    let root = tempdir().unwrap();
    let dir = root.path().join("dir");
    Generator::builder()
        .root_dir(dir.clone())
        .num_files_with_ratio(NumFilesWithRatio::from_num_files(
            NonZeroU64::new(num_files).unwrap(),
        ))
        .build()
        .generate(&mut io::sink().write_adapter())
        .unwrap();

fuc_engine::remove_file(&dir).unwrap();

assert!(!dir.exists());
    assert!(root.path().exists());
}
0707010000004B000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000000E00000000fuc-2.1.0/rmz0707010000004C000081A40000000000000000000000016614BE5700000648000000000000000000000000000000000000001900000000fuc-2.1.0/rmz/Cargo.toml[package]
name = "rmz"
version.workspace = true
authors.workspace = true
edition.workspace = true
description = "Fast rm provides an alternative to rm that focuses on maximizing performance."
repository.workspace = true
keywords = ["tools", "files", "rm"]
categories = ["command-line-utilities", "development-tools", "filesystem"]
license.workspace = true
rust-version.workspace = true

[dependencies]
clap = { version = "4.5.4", features = ["derive", "wrap_help"] }
error-stack = "0.4.1"
fuc_engine = { version = "2", path = "../fuc_engine" }
indicatif = { version = "0.17.8", optional = true }
thiserror = "1.0.58"
tracing = { version = "0.1.40", optional = true }
tracing-indicatif = { version = "0.3.6", optional = true }
tracing-subscriber = { version = "0.3.18", features = ["env-filter"], optional = true }
tracing-tracy = { version = "0.11.0", features = ["flush-on-exit"], optional = true }
tracy-client = { version = "0.17.0", optional = true }

[dev-dependencies]
criterion = "0.5.1"
ftzz = "3.0.0"
io-adapters = "0.3.0"
remove_dir_all = { version = "0.8.2", features = ["parallel"] }
rm_og_crappy = { path = "../comparisons/rm_og_crappy" }
rm_rayon = { path = "../comparisons/rm_rayon" }
supercilex-tests = { version = "0.4.4", default-features = false, features = ["clap"] }
tempfile = "3.10.1"
trycmd = "0.15.1"

[[bench]]
name = "rmz"
harness = false
0707010000004D000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001800000000fuc-2.1.0/rmz/README.in0707010000004E000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001C00000000fuc-2.1.0/rmz/README.in/dir0707010000004F000081A40000000000000000000000016614BE5700000000000000000000000000000000000000000000002000000000fuc-2.1.0/rmz/README.in/dir/bar07070100000050000081A40000000000000000000000016614BE5700000000000000000000000000000000000000000000001C00000000fuc-2.1.0/rmz/README.in/foo07070100000051000081A40000000000000000000000016614BE57000004B3000000000000000000000000000000000000001800000000fuc-2.1.0/rmz/README.md# rm zippy

[![Crates.io](https://img.shields.io/crates/v/rmz)](https://crates.io/crates/rmz)

A zippy alternative to `rm`, a tool to remove files and directories.

## Installation

### Use prebuilt binaries

Binaries for a number of platforms are available on the
[release page](https://github.com/SUPERCILEX/fuc/releases/latest).

### Build from source

```console,ignore
$ cargo install rmz
```

> To install cargo, follow
> [these instructions](https://doc.rust-lang.org/cargo/getting-started/installation.html).

## Usage

Background: https://github.com/SUPERCILEX/fuc/blob/master/README.md

Delete a file:

```console
$ rmz foo
```

Delete a directory:

```console
$ rmz dir
```

Ignore non-existent files:

```console
$ rmz -f non-existent
```

More details:

```console
$ rmz --help
A zippy alternative to `rm`, a tool to remove files and directories

Usage: rmz[EXE] [OPTIONS] <FILES>...

Arguments:
 <FILES>...
 The files and/or directories to be removed

Options:
  -f, --force
          Ignore non-existent arguments

--no-preserve-root
          Allow deletion of `/`

-h, --help
          Print help (use `-h` for a summary)

-V, --version
          Print version

```
07070100000052000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001900000000fuc-2.1.0/rmz/README.out07070100000053000081A40000000000000000000000016614BE5700000000000000000000000000000000000000000000001F00000000fuc-2.1.0/rmz/README.out/.keep07070100000054000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001600000000fuc-2.1.0/rmz/benches07070100000055000081A40000000000000000000000016614BE5700001CE5000000000000000000000000000000000000001D00000000fuc-2.1.0/rmz/benches/rmz.rsuse std::{fs, fs::File, io, num::NonZeroU64, path::Path, time::Duration};

use criterion::{
    criterion_group, criterion_main, measurement::WallTime, AxisScale, BenchmarkGroup, BenchmarkId,
    Criterion, PlotConfiguration, Throughput,
};
use ftzz::{Generator, NumFilesWithRatio};
use io_adapters::WriteExtension;
use tempfile::tempdir;

fn uniform(c: &mut Criterion) {
    fn gen_files(dir: &Path, num_files: u64) {
        Generator::builder()
            .root_dir(dir.to_path_buf())
            .num_files_with_ratio(NumFilesWithRatio::from_num_files(
                NonZeroU64::new(num_files).unwrap(),
            ))
            .build()
            .generate(&mut io::sink().write_adapter())
            .unwrap();
    }

let mut group = c.benchmark_group("uniform");
    group.plot_config(PlotConfiguration::default().summary_scale(AxisScale::Logarithmic));

for num_files in [10, 1_000, 100_000, 1_000_000] {
        group.sample_size(10);
        group.throughput(Throughput::Elements(num_files));

add_benches(&mut group, num_files, gen_files);
    }
}

fn dir_heavy(c: &mut Criterion) {
    fn gen_files(dir: &Path, num_files: u64) {
        Generator::builder()
            .root_dir(dir.to_path_buf())
            .num_files_with_ratio(
                NumFilesWithRatio::new(
                    NonZeroU64::new(num_files).unwrap(),
                    NonZeroU64::new(1).unwrap(),
                )
                .unwrap(),
            )
            .build()
            .generate(&mut io::sink().write_adapter())
            .unwrap();
    }

let mut group = c.benchmark_group("dir_heavy");
    group.plot_config(PlotConfiguration::default().summary_scale(AxisScale::Logarithmic));

for num_files in [10, 1_000, 100_000, 500_000] {
        group.sample_size(10);
        group.throughput(Throughput::Elements(num_files));

add_benches(&mut group, num_files, gen_files);
    }
}

fn file_heavy(c: &mut Criterion) {
    fn gen_files(dir: &Path, num_files: u64) {
        Generator::builder()
            .root_dir(dir.to_path_buf())
            .num_files_with_ratio({
                let num_files = NonZeroU64::new(num_files).unwrap();
                NumFilesWithRatio::new(num_files, num_files).unwrap()
            })
            .build()
            .generate(&mut io::sink().write_adapter())
            .unwrap();
    }

let mut group = c.benchmark_group("file_heavy");
    group.plot_config(PlotConfiguration::default().summary_scale(AxisScale::Logarithmic));

for num_files in [10, 1_000, 100_000] {
        group.sample_size(10);
        group.throughput(Throughput::Elements(num_files));

add_benches(&mut group, num_files, gen_files);
    }
}

fn files_only(c: &mut Criterion) {
    fn gen_files(dir: &Path, num_files: u64) {
        let mut file = dir.to_path_buf();
        for i in 0..num_files {
            file.push(format!("{i}"));
            File::create(&file).unwrap();
            file.pop();
        }
    }

let mut group = c.benchmark_group("files_only");
    group.plot_config(PlotConfiguration::default().summary_scale(AxisScale::Logarithmic));

for num_files in [10, 1_000, 100_000] {
        group.sample_size(10);
        group.throughput(Throughput::Elements(num_files));

add_benches(&mut group, num_files, gen_files);
    }
}

fn deep_dirs(c: &mut Criterion) {
    fn gen_files(dir: &Path, num_files: u64) {
        Generator::builder()
            .root_dir(dir.to_path_buf())
            .num_files_with_ratio(
                NumFilesWithRatio::new(
                    NonZeroU64::new(num_files).unwrap(),
                    NonZeroU64::new(10).unwrap(),
                )
                .unwrap(),
            )
            .max_depth(100)
            .build()
            .generate(&mut io::sink().write_adapter())
            .unwrap();
    }

let mut group = c.benchmark_group("deep_dirs");
    group.plot_config(PlotConfiguration::default().summary_scale(AxisScale::Logarithmic));

for num_files in [10, 1_000, 100_000, 1_000_000] {
        group.sample_size(10);
        group.throughput(Throughput::Elements(num_files));

add_benches(&mut group, num_files, gen_files);
    }
}

fn add_benches(
 group: &mut BenchmarkGroup<WallTime>,
 num_files: u64,
 gen_files: fn(&Path, num_files: u64),
) {
 group.bench_with_input(
 BenchmarkId::new("fuc_engine::remove_dir_all", num_files),
 &num_files,
 |b, &num_files| {
 b.iter_with_setup(
 || {
 let dir = tempdir().unwrap();
 gen_files(dir.path(), num_files);
 dir
 },
 |dir| {
 fuc_engine::remove_file(dir.path()).unwrap();
 assert!(!dir.path().exists());
 dir
 },
 );
 },
 );

group.bench_with_input(
        BenchmarkId::new("rm_rayon::remove_dir_all", num_files),
        &num_files,
        |b, &num_files| {
            b.iter_with_setup(
                || {
                    let dir = tempdir().unwrap();
                    gen_files(dir.path(), num_files);
                    dir
                },
                |dir| {
                    rm_rayon::remove_dir_all(dir.path()).unwrap();
                    assert!(!dir.path().exists());
                    dir
                },
            );
        },
    );

group.bench_with_input(
        BenchmarkId::new("rm_og_crappy::remove_dir_all", num_files),
        &num_files,
        |b, &num_files| {
            b.iter_with_setup(
                || {
                    let dir = tempdir().unwrap();
                    gen_files(dir.path(), num_files);
                    dir
                },
                |dir| {
                    rm_og_crappy::remove_dir_all(dir.path()).unwrap();
                    assert!(!dir.path().exists());
                    dir
                },
            );
        },
    );

group.bench_with_input(
        BenchmarkId::new("fs::remove_dir_all", num_files),
        &num_files,
        |b, &num_files| {
            b.iter_with_setup(
                || {
                    let dir = tempdir().unwrap();
                    gen_files(dir.path(), num_files);
                    dir
                },
                |dir| {
                    fs::remove_dir_all(dir.path()).unwrap();
                    assert!(!dir.path().exists());
                    dir
                },
            );
        },
    );

group.bench_with_input(
        BenchmarkId::new("remove_dir_all::remove_dir_all", num_files),
        &num_files,
        |b, &num_files| {
            b.iter_with_setup(
                || {
                    let dir = tempdir().unwrap();
                    gen_files(dir.path(), num_files);
                    dir
                },
                |dir| {
                    remove_dir_all::remove_dir_all(dir.path()).unwrap();
                    assert!(!dir.path().exists());
                    dir
                },
            );
        },
    );
}

criterion_group! {
    name = benches;
    config = Criterion::default().noise_threshold(0.02).warm_up_time(Duration::from_secs(1));
    targets =
    uniform,
    dir_heavy,
    file_heavy,
    files_only,
    deep_dirs,
}
criterion_main!(benches);
07070100000056000081A40000000000000000000000016614BE5700000188000000000000000000000000000000000000002D00000000fuc-2.1.0/rmz/command-reference-short.goldenA zippy alternative to `rm`, a tool to remove files and directories

Usage: rmz [OPTIONS] <FILES>...

Arguments:
 <FILES>... The files and/or directories to be removed

Options:
  -f, --force             Ignore non-existent arguments
      --no-preserve-root  Allow deletion of `/`
  -h, --help              Print help (use `--help` for more detail)
  -V, --version           Print version
07070100000057000081A40000000000000000000000016614BE5700000192000000000000000000000000000000000000002700000000fuc-2.1.0/rmz/command-reference.goldenA zippy alternative to `rm`, a tool to remove files and directories

Usage: rmz [OPTIONS] <FILES>...

Arguments:
 <FILES>...
 The files and/or directories to be removed

Options:
  -f, --force
          Ignore non-existent arguments

--no-preserve-root
          Allow deletion of `/`

-h, --help
          Print help (use `-h` for a summary)

-V, --version
          Print version
07070100000058000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001200000000fuc-2.1.0/rmz/src07070100000059000081A40000000000000000000000016614BE57000017D2000000000000000000000000000000000000001A00000000fuc-2.1.0/rmz/src/main.rsuse std::path::PathBuf;

use clap::{ArgAction, Parser, ValueHint};
use error_stack::Report;
use fuc_engine::{Error, RemoveOp};

/// A zippy alternative to `rm`, a tool to remove files and directories
#[derive(Parser, Debug)]
#[command(version, author = "Alex Saveau (@SUPERCILEX)")]
#[command(infer_subcommands = true, infer_long_args = true)]
#[command(disable_help_flag = true)]
#[command(arg_required_else_help = true)]
#[command(max_term_width = 100)]
#[cfg_attr(test, command(help_expected = true))]
struct Rmz {
 /// The files and/or directories to be removed
 #[arg(required = true)]
 #[arg(value_hint = ValueHint::AnyPath)]
 files: Vec<PathBuf>,

/// Ignore non-existent arguments
    #[arg(short, long, default_value_t = false)]
    force: bool,

/// Allow deletion of `/`
    #[arg(long = "no-preserve-root", default_value_t = true)]
    #[arg(action = ArgAction::SetFalse)]
    preserve_root: bool,

#[derive(thiserror::Error, Debug)]
enum CliError {
    #[error("{0}")]
    Wrapper(String),
}

#[cfg(feature = "trace")]
#[global_allocator]
static GLOBAL: tracy_client::ProfiledAllocator<std::alloc::System> =
 tracy_client::ProfiledAllocator::new(std::alloc::System, 100);

#[derive(Default)]
    struct Config(DefaultFields);

impl tracing_tracy::Config for Config {
        type Formatter = DefaultFields;

fn formatter(&self) -> &Self::Formatter {
            &self.0
        }

fn stack_depth(&self, _: &tracing::Metadata<'_>) -> u16 {
 32
 }

fn format_fields_in_zone_name(&self) -> bool {
            false
        }
    }

#[cfg(feature = "progress")]
fn init_progress() {
    use std::time::Duration;

fn main() -> error_stack::Result<(), CliError> {
 #[cfg(not(debug_assertions))]
 error_stack::Report::install_debug_hook::<std::panic::Location>(|_, _| {});

#[cfg(feature = "trace")]
    init_trace();
    #[cfg(feature = "progress")]
    init_progress();

let args = Rmz::parse();

remove(args).map_err(|e| {
        let wrapper = CliError::Wrapper(format!("{e}"));
        match e {
            Error::Io { error, context } => Report::from(error)
                .attach_printable(context)
                .change_context(wrapper),
            Error::NotFound { file: _ } => {
                Report::from(wrapper).attach_printable("Use --force to ignore.")
            }
            Error::PreserveRoot | Error::Join | Error::BadPath | Error::Internal => {
                Report::from(wrapper)
            }
            Error::AlreadyExists { file: _ } => unreachable!(),
        }
    })
}

fn remove(
 Rmz {
 files,
 force,
 preserve_root,
 help: _,
 }: Rmz,
) -> Result<(), Error> {
 RemoveOp::builder()
 .files(files.into_iter())
 .force(force)
 .preserve_root(preserve_root)
 .build()
 .run()
}

#[cfg(test)]
mod cli_tests {
    use clap::CommandFactory;

use super::*;

#[test]
    fn verify_app() {
        Rmz::command().debug_assert();
    }

#[test]
    fn help_for_review() {
        supercilex_tests::help_for_review(Rmz::command());
    }
}
0707010000005A000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001400000000fuc-2.1.0/rmz/tests0707010000005B000081A40000000000000000000000016614BE5700000048000000000000000000000000000000000000001B00000000fuc-2.1.0/rmz/tests/api.rs#[test]
fn readme() {
    trycmd::TestCases::new().case("README.md");
}
0707010000005C000081A40000000000000000000000016614BE5700000008000000000000000000000000000000000000001900000000fuc-2.1.0/rust-toolchainnightly
0707010000005D000041ED0000000000000000000000026614BE5700000000000000000000000000000000000000000000001000000000fuc-2.1.0/tests0707010000005E000081A40000000000000000000000016614BE570000006B000000000000000000000000000000000000001700000000fuc-2.1.0/tests/api.rs#[test]
fn fmt() {
    supercilex_tests::fmt();
}

#[test]
fn clippy() {
    supercilex_tests::clippy();
}
07070100000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000B00000000TRAILER!!!484 blocks

Places

File fuc-2.1.0.obscpio of Package fuc (Revision 7894e5631b953235973bdf4227a2b668)

Places