untracked cache: save to an index extension

diff --git a/fast-import.c b/fast-import.c
index 1e72bfbd4c6a7fabbc3fb447696b4101db5463db..b82fcdd24e34d9191aae33fed4e8afb3ca4b6f6a 100644 (file)
--- a/fast-import.c
+++ b/fast-import.c
@@ -947,9 +947,12 @@ static void unkeep_all_packs(void)
 
 static void end_packfile(void)
 {
-       if (!pack_data)
+       static int running;
+
+       if (running || !pack_data)
                return;
 
+       running = 1;
        clear_delta_base_cache();
        if (object_count) {
                struct packed_git *new_p;
@@ -999,6 +1002,7 @@ static void end_packfile(void)
        }
        free(pack_data);
        pack_data = NULL;
+       running = 0;
 
        /* We can't carry a delta across packfiles. */
        strbuf_release(&last_blob.data);