File 0102-Align-dev_unit_name-with-systemd-s-functio... of Package dracut

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File 0102-Align-dev_unit_name-with-systemd-s-function.patch of Package dracut

From ad1acb808e5c7695cb54af7b449db11afd710f21 Mon Sep 17 00:00:00 2001
From: Thorsten Behrens <tbehrens@suse.com>
Date: Sun, 22 Jun 2014 03:19:51 +0200
Subject: Align dev_unit_name() with systemd's function.

Add more corner cases from systemd's
unit_name_from_path_instance() C function.

Signed-off-by: Thorsten Behrens <tbehrens@suse.com>
---
 modules.d/99base/dracut-lib.sh | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
index 5a867b8..e201af8 100755
--- a/modules.d/99base/dracut-lib.sh
+++ b/modules.d/99base/dracut-lib.sh
@@ -857,13 +857,25 @@ wait_for_mount()
     } >> "$hookdir/emergency/90-${_name}.sh"
 }
 
+# get a systemd-compatible unit name from a path
+# (mimicks unit_name_from_path_instance())
 dev_unit_name()
 {
-    _name="${1%%/}"
-    _name="${_name##/}"
-    _name="$(str_replace "$_name" '-' '\x2d')"
-    _name="$(str_replace "$_name" '/' '-')"
-    echo "$_name"
+    local dev="$1"
+
+    if [ "$dev" = "/" -o -z "$dev" ]; then
+        printf -- "-"
+        exit 0
+    fi
+
+    dev="${1%%/}"
+    dev="${dev##/}"
+    dev="$(str_replace "$dev" '\' '\x5c')"
+    dev="$(str_replace "$dev" '-' '\x2d')"
+    dev=${dev/#\./\\x2e}
+    dev="$(str_replace "$dev" '/' '-')"
+
+    printf -- "%s" "$dev"
 }
 
 # wait_for_dev <dev>
-- 
1.8.4.5

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File 0102-Align-dev_unit_name-with-systemd-s-function.patch of Package dracut

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