checkout: notice when the switched branch is behind or forked

diff --git a/builtin-fsck.c b/builtin-fsck.c
index e4874f64a3742b0b54ba2c25f398bece41a5015e..6fc9525e0485f3dba00fa6bea8df1479221f0ce0 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);
@@ -762,7 +765,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
                        struct blob *blob;
                        struct object *obj;
 
-                       mode = ntohl(active_cache[i]->ce_mode);
+                       mode = active_cache[i]->ce_mode;
                        if (S_ISGITLINK(mode))
                                continue;
                        blob = lookup_blob(active_cache[i]->sha1);