directory-rename-detection.txt: technical docs on abilities and limitations

diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 59130e8ecbaa46784ef601c948d335da4f773416..74fe2973e1256e092652fce28ba2036cc3203af9 100644 (file)
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -869,7 +869,7 @@ static void sha1_object(const void *data, struct object_entry *obj_entry,
                        if (obj->type == OBJ_COMMIT) {
                                struct commit *commit = (struct commit *) obj;
                                if (detach_commit_buffer(commit, NULL) != data)
-                                       die("BUG: parse_object_buffer transmogrified our buffer");
+                                       BUG("parse_object_buffer transmogrified our buffer");
                        }
                        obj->flags |= FLAG_CHECKED;
                }
@@ -1018,7 +1018,7 @@ static struct base_data *find_unresolved_deltas_1(struct base_data *base,
 
                if (!compare_and_swap_type(&child->real_type, OBJ_REF_DELTA,
                                           base->obj->real_type))
-                       die("BUG: child->real_type != OBJ_REF_DELTA");
+                       BUG("child->real_type != OBJ_REF_DELTA");
 
                resolve_delta(child, base, result);
                if (base->ref_first == base->ref_last && base->ofs_last == -1)
@@ -1482,8 +1482,12 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
        } else
                chmod(final_index_name, 0444);
 
-       if (do_fsck_object)
-               add_packed_git(final_index_name, strlen(final_index_name), 0);
+       if (do_fsck_object) {
+               struct packed_git *p;
+               p = add_packed_git(final_index_name, strlen(final_index_name), 0);
+               if (p)
+                       install_packed_git(the_repository, p);
+       }
 
        if (!from_stdin) {
                printf("%s\n", sha1_to_hex(hash));
@@ -1549,12 +1553,13 @@ static void read_v2_anomalous_offsets(struct packed_git *p,
 {
        const uint32_t *idx1, *idx2;
        uint32_t i;
+       const uint32_t hashwords = the_hash_algo->rawsz / sizeof(uint32_t);
 
        /* The address of the 4-byte offset table */
        idx1 = (((const uint32_t *)p->index_data)
                + 2 /* 8-byte header */
                + 256 /* fan out */
-               + 5 * p->num_objects /* 20-byte SHA-1 table */
+               + hashwords * p->num_objects /* object ID table */
                + p->num_objects /* CRC32 table */
                );