diff options
Diffstat (limited to 'builtin/pack-objects.c')
-rw-r--r-- | builtin/pack-objects.c | 131 |
1 files changed, 50 insertions, 81 deletions
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index de00adbb9e..1a3dd445f8 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -1124,6 +1124,11 @@ static void write_reused_pack(struct hashfile *f) break; offset += ewah_bit_ctz64(word >> offset); + /* + * Can use bit positions directly, even for MIDX + * bitmaps. See comment in try_partial_reuse() + * for why. + */ write_reused_pack_one(pos + offset, f, &w_curs); display_progress(progress_state, ++written); } @@ -1217,6 +1222,7 @@ static void write_pack_file(void) if (!pack_to_stdout) { struct stat st; struct strbuf tmpname = STRBUF_INIT; + char *idx_tmp_name = NULL; /* * Packs are runtime accessed in their mtime @@ -1237,7 +1243,8 @@ static void write_pack_file(void) warning_errno(_("failed utime() on %s"), pack_tmp_name); } - strbuf_addf(&tmpname, "%s-", base_name); + strbuf_addf(&tmpname, "%s-%s.", base_name, + hash_to_hex(hash)); if (write_bitmap_index) { bitmap_writer_set_checksum(hash); @@ -1245,23 +1252,29 @@ static void write_pack_file(void) &to_pack, written_list, nr_written); } - finish_tmp_packfile(&tmpname, pack_tmp_name, + stage_tmp_packfiles(&tmpname, pack_tmp_name, written_list, nr_written, - &pack_idx_opts, hash); + &pack_idx_opts, hash, &idx_tmp_name); if (write_bitmap_index) { - strbuf_addf(&tmpname, "%s.bitmap", hash_to_hex(hash)); + size_t tmpname_len = tmpname.len; + strbuf_addstr(&tmpname, "bitmap"); stop_progress(&progress_state); bitmap_writer_show_progress(progress); bitmap_writer_select_commits(indexed_commits, indexed_commits_nr, -1); - bitmap_writer_build(&to_pack); + if (bitmap_writer_build(&to_pack) < 0) + die(_("failed to write bitmap index")); bitmap_writer_finish(written_list, nr_written, tmpname.buf, write_bitmap_options); write_bitmap_index = 0; + strbuf_setlen(&tmpname, tmpname_len); } + rename_tmp_packfile_idx(&tmpname, &idx_tmp_name); + + free(idx_tmp_name); strbuf_release(&tmpname); free(pack_tmp_name); puts(hash_to_hex(hash)); @@ -3311,9 +3324,26 @@ static void read_packs_list_from_stdin(void) } /* - * First handle all of the excluded packs, marking them as kept in-core - * so that later calls to add_object_entry() discards any objects that - * are also found in excluded packs. + * Arguments we got on stdin may not even be packs. First + * check that to avoid segfaulting later on in + * e.g. pack_mtime_cmp(), excluded packs are handled below. + * + * Since we first parsed our STDIN and then sorted the input + * lines the pack we error on will be whatever line happens to + * sort first. This is lazy, it's enough that we report one + * bad case here, we don't need to report the first/last one, + * or all of them. + */ + for_each_string_list_item(item, &include_packs) { + struct packed_git *p = item->util; + if (!p) + die(_("could not find pack '%s'"), item->string); + } + + /* + * Then, handle all of the excluded packs, marking them as + * kept in-core so that later calls to add_object_entry() + * discards any objects that are also found in excluded packs. */ for_each_string_list_item(item, &exclude_packs) { struct packed_git *p = item->util; @@ -3388,13 +3418,9 @@ static void read_object_list_from_stdin(void) } } -/* Remember to update object flag allocation in object.h */ -#define OBJECT_ADDED (1u<<20) - static void show_commit(struct commit *commit, void *data) { add_object_entry(&commit->object.oid, OBJ_COMMIT, NULL, 0); - commit->object.flags |= OBJECT_ADDED; if (write_bitmap_index) index_commit_for_bitmap(commit); @@ -3407,7 +3433,6 @@ static void show_object(struct object *obj, const char *name, void *data) { add_preferred_base_object(name); add_object_entry(&obj->oid, obj->type, name, 0); - obj->flags |= OBJECT_ADDED; if (use_delta_islands) { const char *p; @@ -3488,79 +3513,23 @@ static void show_edge(struct commit *commit) add_preferred_base(&commit->object.oid); } -struct in_pack_object { - off_t offset; - struct object *object; -}; - -struct in_pack { - unsigned int alloc; - unsigned int nr; - struct in_pack_object *array; -}; - -static void mark_in_pack_object(struct object *object, struct packed_git *p, struct in_pack *in_pack) -{ - in_pack->array[in_pack->nr].offset = find_pack_entry_one(object->oid.hash, p); - in_pack->array[in_pack->nr].object = object; - in_pack->nr++; -} - -/* - * Compare the objects in the offset order, in order to emulate the - * "git rev-list --objects" output that produced the pack originally. - */ -static int ofscmp(const void *a_, const void *b_) +static int add_object_in_unpacked_pack(const struct object_id *oid, + struct packed_git *pack, + uint32_t pos, + void *_data) { - struct in_pack_object *a = (struct in_pack_object *)a_; - struct in_pack_object *b = (struct in_pack_object *)b_; - - if (a->offset < b->offset) - return -1; - else if (a->offset > b->offset) - return 1; - else - return oidcmp(&a->object->oid, &b->object->oid); + add_object_entry(oid, OBJ_NONE, "", 0); + return 0; } static void add_objects_in_unpacked_packs(void) { - struct packed_git *p; - struct in_pack in_pack; - uint32_t i; - - memset(&in_pack, 0, sizeof(in_pack)); - - for (p = get_all_packs(the_repository); p; p = p->next) { - struct object_id oid; - struct object *o; - - if (!p->pack_local || p->pack_keep || p->pack_keep_in_core) - continue; - if (open_pack_index(p)) - die(_("cannot open pack index")); - - ALLOC_GROW(in_pack.array, - in_pack.nr + p->num_objects, - in_pack.alloc); - - for (i = 0; i < p->num_objects; i++) { - nth_packed_object_id(&oid, p, i); - o = lookup_unknown_object(the_repository, &oid); - if (!(o->flags & OBJECT_ADDED)) - mark_in_pack_object(o, p, &in_pack); - o->flags |= OBJECT_ADDED; - } - } - - if (in_pack.nr) { - QSORT(in_pack.array, in_pack.nr, ofscmp); - for (i = 0; i < in_pack.nr; i++) { - struct object *o = in_pack.array[i].object; - add_object_entry(&o->oid, o->type, "", 0); - } - } - free(in_pack.array); + if (for_each_packed_object(add_object_in_unpacked_pack, NULL, + FOR_EACH_OBJECT_PACK_ORDER | + FOR_EACH_OBJECT_LOCAL_ONLY | + FOR_EACH_OBJECT_SKIP_IN_CORE_KEPT_PACKS | + FOR_EACH_OBJECT_SKIP_ON_DISK_KEPT_PACKS)) + die(_("cannot open pack index")); } static int add_loose_object(const struct object_id *oid, const char *path, |