rev_lib_symlinks: it's new
inst_library: creating additional symlinks for installed library files
---
dracut-functions | 35 ++++++++++++++++++++++++++++++++++-
1 files changed, 34 insertions(+), 1 deletions(-)
diff --git a/dracut-functions b/dracut-functions
index 1f2528e..b9b4d43 100755
--- a/dracut-functions
+++ b/dracut-functions
@@ -226,11 +226,36 @@ inst_simple() {
cp -pfL "$src" "${initdir}$target"
}
+# find symlinks linked to given library file
+# $1 = library file
+# Function searches for symlinks by stripping version numbers appended to
+# library filename, checks if it points to the same target and finally
+# prints the list of symlinks to stdout.
+#
+# Example:
+# rev_lib_symlinks libfoo.so.8.1
+# output: libfoo.so.8 libfoo.so
+# (Only if libfoo.so.8 and libfoo.so exists on host system.)
+rev_lib_symlinks() {
+ [[ ! $1 ]] && return 0
+
+ local fn="$1" orig="$(readlink -f "$1")" links=''
+
+ [[ ${fn} =~ .*\.so\..* ]] || return 1
+
+ until [[ ${fn##*.} == so ]]; do
+ fn="${fn%.*}"
+ [[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}"
+ done
+
+ echo ${links}
+}
+
# Same as above, but specialized to handle dynamic libraries.
# It handles making symlinks according to how the original library
# is referenced.
inst_library() {
- local src=$1 dest=${2:-$1}
+ local src=$1 dest=${2:-$1} lib reallib symlink
[[ -e $initdir$dest ]] && return 0
if [[ -L $src ]]; then
reallib=$(readlink -f "$src")
@@ -241,6 +266,14 @@ inst_library() {
else
inst_simple "$src" "$dest"
fi
+
+ # Create additional symlinks. See rev_symlinks description.
+ for symlink in $(rev_lib_symlinks $src) $(rev_lib_symlinks $reallib); do
+ [[ ! -e $initdir$symlink ]] && {
+ dinfo "Creating extra symlink: $symlink"
+ inst_symlink $symlink
+ }
+ done
}
# find a binary. If we were not passed the full path directly,
--
1.7.1
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