create_symref(): create leading directories as needed.

Otherwise "git remote add -t master -m master" without the
initial fetch would not work.

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

diff --git a/refs.c b/refs.c
index 7e07fc4cb5b6bc32f5c75211aff636421f9e14d5..f3579457ce91e87af42eb6cb68aa791b91d66193 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -1000,6 +1000,9 @@ int create_symref(const char *ref_target, const char *refs_heads_master,
        if (logmsg && read_ref(ref_target, old_sha1))
                hashclr(old_sha1);
 
+       if (safe_create_leading_directories(git_HEAD) < 0)
+               return error("unable to create directory for %s", git_HEAD);
+
 #ifndef NO_SYMLINK_HEAD
        if (prefer_symlink_refs) {
                unlink(git_HEAD);