dir: make untracked cache extension hash size independent

diff --git a/submodule.c b/submodule.c
index 21cf50ca15e124edb67b4aa76ae87577816eb1a5..150d95589949addfe06af32564748e5b4f1346c6 100644 (file)
--- a/submodule.c
+++ b/submodule.c
@@ -994,7 +994,7 @@ static int submodule_needs_pushing(struct repository *r,
                if (start_command(&cp))
                        die("Could not run 'git rev-list <commits> --not --remotes -n 1' command in submodule %s",
                                        path);
-               if (strbuf_read(&buf, cp.out, 41))
+               if (strbuf_read(&buf, cp.out, the_hash_algo->hexsz + 1))
                        needs_pushing = 1;
                finish_command(&cp);
                close(cp.out);