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-rw-r--r--update-rc.d25
1 files changed, 23 insertions, 2 deletions
diff --git a/update-rc.d b/update-rc.d
index 5e32902..976b4cb 100644
--- a/update-rc.d
+++ b/update-rc.d
@@ -147,13 +147,34 @@ fi
bn=$1
shift
+sn=$initd/$bn
+if [ -L "$sn" -a -n "$root" ]; then
+ if which readlink >/dev/null; then
+ while true; do
+ linksn="$(readlink "$sn")"
+ if [ -z "$linksn" ]; then
+ break
+ fi
+
+ sn="$linksn"
+ case "$sn" in
+ /*) sn="$root$sn" ;;
+ *) sn="$initd/$sn" ;;
+ esac
+ done
+ else
+ echo "update-rc.d: readlink tool not present, cannot check whether \
+ $sn symlink points to a valid file." >&2
+ fi
+fi
+
if [ $1 != "remove" ]; then
- if [ ! -f "$initd/$bn" ]; then
+ if [ ! -f "$sn" ]; then
echo "update-rc.d: $initd/$bn: file does not exist" >&2
exit 1
fi
else
- if [ -f "$initd/$bn" ]; then
+ if [ -f "$sn" ]; then
if [ $force -eq 1 ]; then
echo "update-rc.d: $initd/$bn exists during rc.d purge (continuing)" >&2
else