rebase -m: only call "notes copy" when rewritten exists and is non-empty

This prevents a shell error complaining rebase-merge/rewritten doesn't exist.

Signed-off-by: Andrew Wong <andrew.kw.w@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-rebase--merge.sh b/git-rebase--merge.sh
index 26afc75cc7d0fbf3de69325043130836c32454a0..dc599077f0e55472ae814ed4e15f5b3a1b729caf 100644 (file)
--- a/git-rebase--merge.sh
+++ b/git-rebase--merge.sh
@@ -90,10 +90,13 @@ call_merge () {
 
 finish_rb_merge () {
        move_to_original_branch
-       git notes copy --for-rewrite=rebase < "$state_dir"/rewritten
-       if test -x "$GIT_DIR"/hooks/post-rewrite &&
-               test -s "$state_dir"/rewritten; then
-               "$GIT_DIR"/hooks/post-rewrite rebase < "$state_dir"/rewritten
+       if test -s "$state_dir"/rewritten
+       then
+               git notes copy --for-rewrite=rebase <"$state_dir"/rewritten
+               if test -x "$GIT_DIR"/hooks/post-rewrite
+               then
+                       "$GIT_DIR"/hooks/post-rewrite rebase <"$state_dir"/rewritten
+               fi
        fi
        rm -r "$state_dir"
        say All done.