File 6031-gh-Add-installation-of-old-releases-for-co... of Package erlang

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File 6031-gh-Add-installation-of-old-releases-for-compat-test.patch of Package erlang (Revision 141dc5cf1cf76598898fdde76784937f)

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From a27297b7b9319ca319abed8900b7ab3afed54076 Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang.org>
Date: Sun, 3 Jul 2022 18:47:06 +0200
Subject: [PATCH 1/5] gh: Add installation of old releases for compat test

---
 .github/dockerfiles/Dockerfile.64-bit      |  3 +--
 .github/dockerfiles/Dockerfile.ubuntu-base | 18 ++++++++++++++++++
 .github/dockerfiles/init.sh                |  2 ++
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/.github/dockerfiles/Dockerfile.64-bit b/.github/dockerfiles/Dockerfile.64-bit
index 2556dc0103..785d6e8391 100644
--- a/.github/dockerfiles/Dockerfile.64-bit
+++ b/.github/dockerfiles/Dockerfile.64-bit
@@ -1,9 +1,8 @@
 ARG BASE=docker.pkg.github.com/erlang/otp/ubuntu-base
 FROM $BASE
 
-ARG MAKEFLAGS=-j4
+ARG MAKEFLAGS=$MAKEFLAGS
 ENV MAKEFLAGS=$MAKEFLAGS \
-    ERLC_USE_SERVER=yes \
     ERL_TOP=/buildroot/otp \
     PATH=/otp/bin:/buildroot/otp/bin:$PATH
 
diff --git a/.github/dockerfiles/Dockerfile.ubuntu-base b/.github/dockerfiles/Dockerfile.ubuntu-base
index 7a0e97506a..703d6e1ee6 100644
--- a/.github/dockerfiles/Dockerfile.ubuntu-base
+++ b/.github/dockerfiles/Dockerfile.ubuntu-base
@@ -24,6 +24,24 @@ RUN apt-get update && apt-get -y upgrade && \
 
 ## EXTRA_LIBS are installed using a for loop because of bugs in the erlang-doc deb package
 
+ARG MAKEFLAGS=-j4
+ENV MAKEFLAGS=$MAKEFLAGS \
+    ERLC_USE_SERVER=yes
+
+## We install the latest version of the previous three releases in order to do
+## backwards compatability testing of the Erlang distribution.
+RUN apt-get install -y git && \
+    curl -L https://raw.githubusercontent.com/kerl/kerl/master/kerl > /usr/bin/kerl && \
+    chmod +x /usr/bin/kerl && \
+    kerl update releases && \
+    LATEST=$(kerl list releases | tail -1 | awk -F '.' '{print $1}') && \
+    for release in $(seq $(( LATEST - 3 )) $(( LATEST - 1 ))); do \
+      VSN=$(kerl list releases | grep "^$release" | tail -1); \
+      kerl build ${VSN} ${VSN} && \
+      kerl install ${VSN} /usr/local/lib/erlang-${VSN}; \
+    done && \
+    rm -rf ~/.kerl
+
 ENV LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8
 
 ARG USER=gitpod
diff --git a/.github/dockerfiles/init.sh b/.github/dockerfiles/init.sh
index a60cbfe680..bac54338c1 100755
--- a/.github/dockerfiles/init.sh
+++ b/.github/dockerfiles/init.sh
@@ -8,4 +8,6 @@ sudo service postgresql start
 
 sudo -E bash -c "apt-get update && apt-get install -y linux-tools-common linux-tools-generic linux-tools-`uname -r`"
 
+PATH=$PATH:$(ls -1d /usr/local/lib/erlang-*/bin | tr '\n' ':')
+
 exec /bin/bash -c "$1"
-- 
2.35.3

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File 6031-gh-Add-installation-of-old-releases-for-compat-test.patch of Package erlang (Revision 141dc5cf1cf76598898fdde76784937f)

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