Merge branch 'jc/rerere-multi'
[gitweb.git] / pack-bitmap.c
index aee7acf39204178f605221e49c66d302ca5329aa..b949e517167dbac6c4c347e0a2cbdf8ca2dabbcf 100644 (file)
@@ -33,9 +33,6 @@ static struct bitmap_index {
        /* Packfile to which this bitmap index belongs to */
        struct packed_git *pack;
 
-       /* reverse index for the packfile */
-       struct pack_revindex *reverse_index;
-
        /*
         * Mark the first `reuse_objects` in the packfile as reused:
         * they will be sent as-is without using them for repacking
@@ -252,16 +249,11 @@ static int load_bitmap_entries_v1(struct bitmap_index *index)
 
 static char *pack_bitmap_filename(struct packed_git *p)
 {
-       char *idx_name;
-       int len;
-
-       len = strlen(p->pack_name) - strlen(".pack");
-       idx_name = xmalloc(len + strlen(".bitmap") + 1);
-
-       memcpy(idx_name, p->pack_name, len);
-       memcpy(idx_name + len, ".bitmap", strlen(".bitmap") + 1);
+       size_t len;
 
-       return idx_name;
+       if (!strip_suffix(p->pack_name, ".pack", &len))
+               die("BUG: pack_name does not end in .pack");
+       return xstrfmt("%.*s.bitmap", (int)len, p->pack_name);
 }
 
 static int open_pack_bitmap_1(struct packed_git *packfile)
@@ -313,7 +305,7 @@ static int load_pack_bitmap(void)
 
        bitmap_git.bitmaps = kh_init_sha1();
        bitmap_git.ext_index.positions = kh_init_sha1_pos();
-       bitmap_git.reverse_index = revindex_for_pack(bitmap_git.pack);
+       load_pack_revindex(bitmap_git.pack);
 
        if (!(bitmap_git.commits = read_bitmap_1(&bitmap_git)) ||
                !(bitmap_git.trees = read_bitmap_1(&bitmap_git)) ||
@@ -385,7 +377,7 @@ static inline int bitmap_position_packfile(const unsigned char *sha1)
        if (!offset)
                return -1;
 
-       return find_revindex_position(bitmap_git.reverse_index, offset);
+       return find_revindex_position(bitmap_git.pack, offset);
 }
 
 static int bitmap_position(const unsigned char *sha1)
@@ -402,7 +394,7 @@ static int ext_index_add_object(struct object *object, const char *name)
        int hash_ret;
        int bitmap_pos;
 
-       hash_pos = kh_put_sha1_pos(eindex->positions, object->sha1, &hash_ret);
+       hash_pos = kh_put_sha1_pos(eindex->positions, object->oid.hash, &hash_ret);
        if (hash_ret > 0) {
                if (eindex->count >= eindex->alloc) {
                        eindex->alloc = (eindex->alloc + 16) * 3 / 2;
@@ -427,7 +419,7 @@ static void show_object(struct object *object, const char *name, void *data)
        struct bitmap *base = data;
        int bitmap_pos;
 
-       bitmap_pos = bitmap_position(object->sha1);
+       bitmap_pos = bitmap_position(object->oid.hash);
 
        if (bitmap_pos < 0)
                bitmap_pos = ext_index_add_object(object, name);
@@ -467,11 +459,11 @@ static int should_include(struct commit *commit, void *_data)
        struct include_data *data = _data;
        int bitmap_pos;
 
-       bitmap_pos = bitmap_position(commit->object.sha1);
+       bitmap_pos = bitmap_position(commit->object.oid.hash);
        if (bitmap_pos < 0)
                bitmap_pos = ext_index_add_object((struct object *)commit, NULL);
 
-       if (!add_to_include_set(data, commit->object.sha1, bitmap_pos)) {
+       if (!add_to_include_set(data, commit->object.oid.hash, bitmap_pos)) {
                struct commit_list *parent = commit->parents;
 
                while (parent) {
@@ -507,7 +499,7 @@ static struct bitmap *find_objects(struct rev_info *revs,
                roots = roots->next;
 
                if (object->type == OBJ_COMMIT) {
-                       khiter_t pos = kh_get_sha1(bitmap_git.bitmaps, object->sha1);
+                       khiter_t pos = kh_get_sha1(bitmap_git.bitmaps, object->oid.hash);
 
                        if (pos < kh_end(bitmap_git.bitmaps)) {
                                struct stored_bitmap *st = kh_value(bitmap_git.bitmaps, pos);
@@ -549,7 +541,7 @@ static struct bitmap *find_objects(struct rev_info *revs,
                int pos;
 
                roots = roots->next;
-               pos = bitmap_position(object->sha1);
+               pos = bitmap_position(object->oid.hash);
 
                if (pos < 0 || base == NULL || !bitmap_get(base, pos)) {
                        object->flags &= ~UNINTERESTING;
@@ -594,7 +586,7 @@ static void show_extended_objects(struct bitmap *objects,
                        continue;
 
                obj = eindex->objects[i];
-               show_reach(obj->sha1, obj->type, 0, eindex->hashes[i], NULL, 0);
+               show_reach(obj->oid.hash, obj->type, 0, eindex->hashes[i], NULL, 0);
        }
 }
 
@@ -631,7 +623,7 @@ static void show_objects_for_type(
                        if (pos + offset < bitmap_git.reuse_objects)
                                continue;
 
-                       entry = &bitmap_git.reverse_index->revindex[pos + offset];
+                       entry = &bitmap_git.pack->revindex[pos + offset];
                        sha1 = nth_packed_object_sha1(bitmap_git.pack, entry->nr);
 
                        if (bitmap_git.hashes)
@@ -651,7 +643,7 @@ static int in_bitmapped_pack(struct object_list *roots)
                struct object *object = roots->item;
                roots = roots->next;
 
-               if (find_pack_entry_one(object->sha1, bitmap_git.pack) > 0)
+               if (find_pack_entry_one(object->oid.hash, bitmap_git.pack) > 0)
                        return 1;
        }
 
@@ -681,7 +673,7 @@ int prepare_bitmap_walk(struct rev_info *revs)
                struct object *object = pending_e[i].item;
 
                if (object->type == OBJ_NONE)
-                       parse_object_or_die(object->sha1, NULL);
+                       parse_object_or_die(object->oid.hash, NULL);
 
                while (object->type == OBJ_TAG) {
                        struct tag *tag = (struct tag *) object;
@@ -693,7 +685,7 @@ int prepare_bitmap_walk(struct rev_info *revs)
 
                        if (!tag->tagged)
                                die("bad tag");
-                       object = parse_object_or_die(tag->tagged->sha1, NULL);
+                       object = parse_object_or_die(tag->tagged->oid.hash, NULL);
                }
 
                if (object->flags & UNINTERESTING)
@@ -805,7 +797,7 @@ int reuse_partial_packfile_from_bitmap(struct packed_git **packfile,
                return -1;
 
        bitmap_git.reuse_objects = *entries = reuse_objects;
-       *up_to = bitmap_git.reverse_index->revindex[reuse_objects].offset;
+       *up_to = bitmap_git.pack->revindex[reuse_objects].offset;
        *packfile = bitmap_git.pack;
 
        return 0;
@@ -904,9 +896,9 @@ static void test_show_object(struct object *object, const char *name,
        struct bitmap_test_data *tdata = data;
        int bitmap_pos;
 
-       bitmap_pos = bitmap_position(object->sha1);
+       bitmap_pos = bitmap_position(object->oid.hash);
        if (bitmap_pos < 0)
-               die("Object not in bitmap: %s\n", sha1_to_hex(object->sha1));
+               die("Object not in bitmap: %s\n", oid_to_hex(&object->oid));
 
        bitmap_set(tdata->base, bitmap_pos);
        display_progress(tdata->prg, ++tdata->seen);
@@ -917,9 +909,9 @@ static void test_show_commit(struct commit *commit, void *data)
        struct bitmap_test_data *tdata = data;
        int bitmap_pos;
 
-       bitmap_pos = bitmap_position(commit->object.sha1);
+       bitmap_pos = bitmap_position(commit->object.oid.hash);
        if (bitmap_pos < 0)
-               die("Object not in bitmap: %s\n", sha1_to_hex(commit->object.sha1));
+               die("Object not in bitmap: %s\n", oid_to_hex(&commit->object.oid));
 
        bitmap_set(tdata->base, bitmap_pos);
        display_progress(tdata->prg, ++tdata->seen);
@@ -943,20 +935,20 @@ void test_bitmap_walk(struct rev_info *revs)
                bitmap_git.version, bitmap_git.entry_count);
 
        root = revs->pending.objects[0].item;
-       pos = kh_get_sha1(bitmap_git.bitmaps, root->sha1);
+       pos = kh_get_sha1(bitmap_git.bitmaps, root->oid.hash);
 
        if (pos < kh_end(bitmap_git.bitmaps)) {
                struct stored_bitmap *st = kh_value(bitmap_git.bitmaps, pos);
                struct ewah_bitmap *bm = lookup_stored_bitmap(st);
 
                fprintf(stderr, "Found bitmap for %s. %d bits / %08x checksum\n",
-                       sha1_to_hex(root->sha1), (int)bm->bit_size, ewah_checksum(bm));
+                       oid_to_hex(&root->oid), (int)bm->bit_size, ewah_checksum(bm));
 
                result = ewah_to_bitmap(bm);
        }
 
        if (result == NULL)
-               die("Commit %s doesn't have an indexed bitmap", sha1_to_hex(root->sha1));
+               die("Commit %s doesn't have an indexed bitmap", oid_to_hex(&root->oid));
 
        revs->tag_objects = 1;
        revs->tree_objects = 1;
@@ -1038,7 +1030,7 @@ int rebuild_existing_bitmaps(struct packing_data *mapping,
                struct revindex_entry *entry;
                struct object_entry *oe;
 
-               entry = &bitmap_git.reverse_index->revindex[i];
+               entry = &bitmap_git.pack->revindex[i];
                sha1 = nth_packed_object_sha1(bitmap_git.pack, entry->nr);
                oe = packlist_find(mapping, sha1, NULL);