git-branchmove: new script, still work in progress

diff --git a/scripts/git-branchmove b/scripts/git-branchmove
index 029992dd776d9cb9067b8bc9b526bb792907a69a..e68c47485993bbde630db68c9711b334010a15b1 100755 (executable)
--- a/scripts/git-branchmove
+++ b/scripts/git-branchmove
@@ -61,7 +61,7 @@ get)
        src_path="$remote_path"
        dst_rune="sh -c"
        dst_path=.
-       msg="git-branchmove: moved to $remote ($remoteurl)" ;;
+       updatemsg="git-branchmove: moved to $remote ($remoteurl)"
        push_fetch=fetch
        ;;
 put)
@@ -69,7 +69,7 @@ put)
        dst_path="$remote_path"
        src_rune="sh -c"
        src_path=.
-       msg="git-branchmove; moved to `hostname -f` by `whoami`" ;;
+       updatemsg="git-branchmove; moved to `hostname -f` by `whoami`"
        push_fetch=push
        ;;
 esac
@@ -116,6 +116,12 @@ H) ;; # already detached
        ;;
 esac
 
+
+if [ "${#src_branches[@]}" = 0 ]; then
+       echo >&2 "git-branchmove: nothing to do"
+       exit 1
+fi
+
 dst_branches=( $(on_dst "$get_branches_rune") )
 : "${dst_branches[@]}"
 
@@ -157,16 +163,16 @@ esac
 #----- delete the refs on the source -----
 
 (
-       printf "%s\n" "$message"
+       printf "%s\n" "$updatemsg"
        for src_rm in "${src_branches[@]}"; do printf "%s\n" "$src_rm"; done
 ) | on_src '
-       read message
+       read updatemsg
        while read src_rm; do
                src_ref="${src_rm%=*}"
                src_obj="${src_rm##*=}"
-               git update-ref -m "$message" -d "$src_ref" "$src_obj"
+               git update-ref -m "$updatemsg" -d "$src_ref" "$src_obj"
                echo "move complete: $src_ref"
        done
 '
 
-echo 'moved ${#src_branches[@]} branches.'
+echo "moved ${#src_branches[@]} branches."