make symlinking the script actually work without setting up PATH

Change-Id: I8643544e8e3fd94a89d4ef49977aa00acadf18e2
Reviewed-by: Shane Kearns <ext-shane.2.kearns@nokia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>

1 files changed, 28 insertions, 1 deletions

diff --git a/git-hooks/git_post_commit_hook b/git-hooks/git_post_commit_hook
index e4728c5..5090c75 100755
--- a/git-hooks/git_post_commit_hook
+++ b/git-hooks/git_post_commit_hook
@@ -11,7 +11,34 @@
 #    ln -s /path/to/git_post_commit_hook post-commit
 #
 
+makeAbsolute() {
+    case $1 in
+        /*)
+            # already absolute, return it
+            echo "$1"
+            ;;
+        *)
+            # relative, prepend $2 made absolute
+            echo `makeAbsolute "$2" "$PWD"`/"$1" | sed 's,/\.$,,'
+            ;;
+    esac
+}
+
+me=$0
+if test -L "$me"; then
+    # Try GNU readlink(1)
+    nme=`readlink -nf "$me" 2>/dev/null`
+    if test -n "$nme"; then
+        me=$nme
+    else
+        # No GNU readlink(1), so let's try ls -l
+        me=`ls -l "$me" | sed 's/^.*-> //'`
+        base=`dirname "$me"`
+        me=`makeAbsolute "$me" "$base"`
+    fi
+fi
+
 sha1=${1-HEAD} # just for debugging
 GIT_PUSH=${GIT_PUSH+$GIT_PUSH,}wip # this check makes totally no sense locally
 export GIT_PUSH
-exec sanitize-commit $sha1 strict >&2
+exec `dirname "$me"`/sanitize-commit $sha1 strict >&2