X-Git-Url: http://ftp.carnet.hr/carnet-debian/scm?a=blobdiff_plain;f=functions.sh;h=5bb7ae6b1277107c9ceaa6d60eadd22a2dc3e4ce;hb=491a93c69b438d7fcbf3980185558dee614781ea;hp=e625d5181c4bfca5a073b322581f28bc44be7f52;hpb=8543c1ce1e1c728e89f4e1b4efd4a79f52d5ca2e;p=carnet-upgrade.git

diff --git a/functions.sh b/functions.sh
index e625d51..5bb7ae6 100644
--- a/functions.sh
+++ b/functions.sh
@@ -223,8 +223,12 @@ ${CP_NOTICE}----------"
 cp_safe_file_replace () {
   [ "$CP_SCRIPT_DEBUG" ] && set -vx
   local new old
-  new=$1
-  old=$2
+  if [ -z "$2" ]; then
+    echo "Usage: cp_safe_file_replace <new-file> <target-file>" 1>&2
+    return 1
+  fi
+  new="$1"
+  old="$2"
   if [ -e "$old" ]; then
     chown --reference "$old" "$new"
     chmod --reference "$old" "$new"