Make 'git fsck' complain about non-commit branches

Since having non-commits in branches is a no-no, and just means you cannot
commit on them, let's make fsck tell you when a branch is bad.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-fsck.c b/builtin-fsck.c
index e4874f64a3742b0b54ba2c25f398bece41a5015e..2a6e94deaf6b27f27ad7655ebf6072a05b25017c 100644 (file)
--- a/builtin-fsck.c
+++ b/builtin-fsck.c
@@ -555,20 +555,23 @@ static int fsck_handle_reflog(const char *logname, const unsigned char *sha1, in
        return 0;
 }
 
+static int is_branch(const char *refname)
+{
+       return !strcmp(refname, "HEAD") || !prefixcmp(refname, "refs/heads/");
+}
+
 static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
 {
        struct object *obj;
 
-       obj = lookup_object(sha1);
+       obj = parse_object(sha1);
        if (!obj) {
-               if (has_sha1_file(sha1)) {
-                       default_refs++;
-                       return 0; /* it is in a pack */
-               }
                error("%s: invalid sha1 pointer %s", refname, sha1_to_hex(sha1));
                /* We'll continue with the rest despite the error.. */
                return 0;
        }
+       if (obj->type != OBJ_COMMIT && is_branch(refname))
+               error("%s: not a commit", refname);
        default_refs++;
        obj->used = 1;
        mark_reachable(obj, REACHABLE);