Make sure we have leading directories under refs/{heads,tags}

Otherwise having subdirectories under refs/heads becomes rather
unwieldy.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git-fetch.sh b/git-fetch.sh
index 4928cd5..673a184 100755 (executable)
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -94,6 +94,7 @@ append_fetch_head () {
 }
 
 fast_forward_local () {
+    mkdir -p "$(dirname "$GIT_DIR/$1")"
     case "$1" in
     refs/tags/*)
        # Tags need not be pointing at commits so there