git-commit: "read-tree -m HEAD" is not the right way to read-tree quickly

diff --git a/builtin-pack-refs.c b/builtin-pack-refs.c
index 6de7128b9d8e98dcb9850d9dc932ca522c97473a..3de9b3eefdaad43f0b0212b93055f26a9542533a 100644 (file)
--- a/builtin-pack-refs.c
+++ b/builtin-pack-refs.c
@@ -37,7 +37,9 @@ static int handle_one_ref(const char *path, const unsigned char *sha1,
        if ((flags & REF_ISSYMREF))
                return 0;
        is_tag_ref = !strncmp(path, "refs/tags/", 10);
-       if (!cb->all && !is_tag_ref)
+
+       /* ALWAYS pack refs that were already packed or are tags */
+       if (!cb->all && !is_tag_ref && !(flags & REF_ISPACKED))
                return 0;
 
        fprintf(cb->refs_file, "%s %s\n", sha1_to_hex(sha1), path);