notes: don't access hash of NULL object_id pointer

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index d76ff054261927e3c06ed2bdbe89b460ec78959d..80439047aa21b9291417cb6ef30164d41878b728 100644 (file)
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -44,7 +44,7 @@ static uint32_t nr_result, nr_written;
 static int non_empty;
 static int reuse_delta = 1, reuse_object = 1;
 static int keep_unreachable, unpack_unreachable, include_tag;
-static unsigned long unpack_unreachable_expiration;
+static timestamp_t unpack_unreachable_expiration;
 static int pack_loose_unreachable;
 static int local;
 static int have_non_local_packs;
@@ -2348,7 +2348,7 @@ static void add_tag_chain(const struct object_id *oid)
        if (packlist_find(&to_pack, oid->hash, NULL))
                return;
 
-       tag = lookup_tag(oid->hash);
+       tag = lookup_tag(oid);
        while (1) {
                if (!tag || parse_tag(tag) || !tag->tagged)
                        die("unable to pack objects reachable from tag %s",
@@ -2686,7 +2686,7 @@ static int has_sha1_pack_kept_or_nonlocal(const unsigned char *sha1)
 static struct oid_array recent_objects;
 
 static int loosened_object_can_be_discarded(const struct object_id *oid,
-                                           unsigned long mtime)
+                                           timestamp_t mtime)
 {
        if (!unpack_unreachable_expiration)
                return 0;
@@ -2728,7 +2728,11 @@ static void loosen_unused_packed_objects(struct rev_info *revs)
  */
 static int pack_options_allow_reuse(void)
 {
-       return pack_to_stdout && allow_ofs_delta;
+       return pack_to_stdout &&
+              allow_ofs_delta &&
+              !ignore_packed_keep &&
+              (!local || !have_non_local_packs) &&
+              !incremental;
 }
 
 static int get_object_list_from_bitmap(struct rev_info *revs)