diff options
Diffstat (limited to 'midx.c')
-rw-r--r-- | midx.c | 134 |
1 files changed, 109 insertions, 25 deletions
@@ -72,9 +72,9 @@ struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local FREE_AND_NULL(midx_name); midx_map = xmmap(NULL, midx_size, PROT_READ, MAP_PRIVATE, fd, 0); + close(fd); FLEX_ALLOC_STR(m, object_dir, object_dir); - m->fd = fd; m->data = midx_map; m->data_len = midx_size; m->local = local; @@ -190,8 +190,6 @@ void close_midx(struct multi_pack_index *m) return; munmap((unsigned char *)m->data, m->data_len); - close(m->fd); - m->fd = -1; for (i = 0; i < m->num_packs; i++) { if (m->packs[i]) @@ -448,6 +446,8 @@ struct pack_list { uint32_t nr; uint32_t alloc; struct multi_pack_index *m; + struct progress *progress; + unsigned pack_paths_checked; }; static void add_pack_to_midx(const char *full_path, size_t full_path_len, @@ -456,6 +456,7 @@ static void add_pack_to_midx(const char *full_path, size_t full_path_len, struct pack_list *packs = (struct pack_list *)data; if (ends_with(file_name, ".idx")) { + display_progress(packs->progress, ++packs->pack_paths_checked); if (packs->m && midx_contains_pack(packs->m, file_name)) return; @@ -531,7 +532,7 @@ static void fill_pack_entry(uint32_t pack_int_id, uint32_t cur_object, struct pack_midx_entry *entry) { - if (!nth_packed_object_oid(&entry->oid, p, cur_object)) + if (nth_packed_object_id(&entry->oid, p, cur_object) < 0) die(_("failed to locate object %d in packfile"), cur_object); entry->pack_int_id = pack_int_id; @@ -785,7 +786,7 @@ static size_t write_midx_large_offsets(struct hashfile *f, uint32_t nr_large_off } static int write_midx_internal(const char *object_dir, struct multi_pack_index *m, - struct string_list *packs_to_drop) + struct string_list *packs_to_drop, unsigned flags) { unsigned char cur_chunk, num_chunks = 0; char *midx_name; @@ -799,6 +800,7 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index * uint64_t chunk_offsets[MIDX_MAX_CHUNKS + 1]; uint32_t nr_entries, num_large_offsets = 0; struct pack_midx_entry *entries = NULL; + struct progress *progress = NULL; int large_offsets_needed = 0; int pack_name_concat_len = 0; int dropped_packs = 0; @@ -833,7 +835,14 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index * } } + packs.pack_paths_checked = 0; + if (flags & MIDX_PROGRESS) + packs.progress = start_progress(_("Adding packfiles to multi-pack-index"), 0); + else + packs.progress = NULL; + for_each_file_in_pack_dir(object_dir, add_pack_to_midx, &packs); + stop_progress(&packs.progress); if (packs.m && packs.nr == packs.m->num_packs && !packs_to_drop) goto cleanup; @@ -912,6 +921,12 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index * cur_chunk = 0; num_chunks = large_offsets_needed ? 5 : 4; + if (packs.nr - dropped_packs == 0) { + error(_("no pack files to index.")); + result = 1; + goto cleanup; + } + written = write_midx_header(f, num_chunks, packs.nr - dropped_packs); chunk_ids[cur_chunk] = MIDX_CHUNKID_PACKNAMES; @@ -958,6 +973,9 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index * written += MIDX_CHUNKLOOKUP_WIDTH; } + if (flags & MIDX_PROGRESS) + progress = start_progress(_("Writing chunks to multi-pack-index"), + num_chunks); for (i = 0; i < num_chunks; i++) { if (written != chunk_offsets[i]) BUG("incorrect chunk offset (%"PRIu64" != %"PRIu64") for chunk id %"PRIx32, @@ -990,7 +1008,10 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index * BUG("trying to write unknown chunk id %"PRIx32, chunk_ids[i]); } + + display_progress(progress, i + 1); } + stop_progress(&progress); if (written != chunk_offsets[num_chunks]) BUG("incorrect final offset %"PRIu64" != %"PRIu64, @@ -1016,9 +1037,9 @@ cleanup: return result; } -int write_midx_file(const char *object_dir) +int write_midx_file(const char *object_dir, unsigned flags) { - return write_midx_internal(object_dir, NULL, NULL); + return write_midx_internal(object_dir, NULL, NULL, flags); } void clear_midx_file(struct repository *r) @@ -1076,19 +1097,20 @@ static int compare_pair_pos_vs_id(const void *_a, const void *_b) display_progress(progress, _n); \ } while (0) -int verify_midx_file(struct repository *r, const char *object_dir) +int verify_midx_file(struct repository *r, const char *object_dir, unsigned flags) { struct pair_pos_vs_id *pairs = NULL; uint32_t i; - struct progress *progress; + struct progress *progress = NULL; struct multi_pack_index *m = load_multi_pack_index(object_dir, 1); verify_midx_error = 0; if (!m) return 0; - progress = start_progress(_("Looking for referenced packfiles"), - m->num_packs); + if (flags & MIDX_PROGRESS) + progress = start_progress(_("Looking for referenced packfiles"), + m->num_packs); for (i = 0; i < m->num_packs; i++) { if (prepare_midx_pack(r, m, i)) midx_report("failed to load pack in position %d", i); @@ -1106,8 +1128,18 @@ int verify_midx_file(struct repository *r, const char *object_dir) i, oid_fanout1, oid_fanout2, i + 1); } - progress = start_sparse_progress(_("Verifying OID order in MIDX"), - m->num_objects - 1); + if (m->num_objects == 0) { + midx_report(_("the midx contains no oid")); + /* + * Remaining tests assume that we have objects, so we can + * return here. + */ + return verify_midx_error; + } + + if (flags & MIDX_PROGRESS) + progress = start_sparse_progress(_("Verifying OID order in multi-pack-index"), + m->num_objects - 1); for (i = 0; i < m->num_objects - 1; i++) { struct object_id oid1, oid2; @@ -1134,13 +1166,15 @@ int verify_midx_file(struct repository *r, const char *object_dir) pairs[i].pack_int_id = nth_midxed_pack_int_id(m, i); } - progress = start_sparse_progress(_("Sorting objects by packfile"), - m->num_objects); + if (flags & MIDX_PROGRESS) + progress = start_sparse_progress(_("Sorting objects by packfile"), + m->num_objects); display_progress(progress, 0); /* TODO: Measure QSORT() progress */ QSORT(pairs, m->num_objects, compare_pair_pos_vs_id); stop_progress(&progress); - progress = start_sparse_progress(_("Verifying object offsets"), m->num_objects); + if (flags & MIDX_PROGRESS) + progress = start_sparse_progress(_("Verifying object offsets"), m->num_objects); for (i = 0; i < m->num_objects; i++) { struct object_id oid; struct pack_entry e; @@ -1183,23 +1217,34 @@ int verify_midx_file(struct repository *r, const char *object_dir) return verify_midx_error; } -int expire_midx_packs(struct repository *r, const char *object_dir) +int expire_midx_packs(struct repository *r, const char *object_dir, unsigned flags) { uint32_t i, *count, result = 0; struct string_list packs_to_drop = STRING_LIST_INIT_DUP; struct multi_pack_index *m = load_multi_pack_index(object_dir, 1); + struct progress *progress = NULL; if (!m) return 0; count = xcalloc(m->num_packs, sizeof(uint32_t)); + + if (flags & MIDX_PROGRESS) + progress = start_progress(_("Counting referenced objects"), + m->num_objects); for (i = 0; i < m->num_objects; i++) { int pack_int_id = nth_midxed_pack_int_id(m, i); count[pack_int_id]++; + display_progress(progress, i + 1); } + stop_progress(&progress); + if (flags & MIDX_PROGRESS) + progress = start_progress(_("Finding and deleting unreferenced packfiles"), + m->num_packs); for (i = 0; i < m->num_packs; i++) { char *pack_name; + display_progress(progress, i + 1); if (count[i]) continue; @@ -1217,11 +1262,12 @@ int expire_midx_packs(struct repository *r, const char *object_dir) unlink_pack_path(pack_name, 0); free(pack_name); } + stop_progress(&progress); free(count); if (packs_to_drop.nr) - result = write_midx_internal(object_dir, m, &packs_to_drop); + result = write_midx_internal(object_dir, m, &packs_to_drop, flags); string_list_clear(&packs_to_drop, 0); return result; @@ -1247,15 +1293,26 @@ static int compare_by_mtime(const void *a_, const void *b_) return 0; } -static int fill_included_packs_all(struct multi_pack_index *m, +static int fill_included_packs_all(struct repository *r, + struct multi_pack_index *m, unsigned char *include_pack) { - uint32_t i; + uint32_t i, count = 0; + int pack_kept_objects = 0; + + repo_config_get_bool(r, "repack.packkeptobjects", &pack_kept_objects); + + for (i = 0; i < m->num_packs; i++) { + if (prepare_midx_pack(r, m, i)) + continue; + if (!pack_kept_objects && m->packs[i]->pack_keep) + continue; - for (i = 0; i < m->num_packs; i++) include_pack[i] = 1; + count++; + } - return m->num_packs < 2; + return count < 2; } static int fill_included_packs_batch(struct repository *r, @@ -1266,6 +1323,9 @@ static int fill_included_packs_batch(struct repository *r, uint32_t i, packs_to_repack; size_t total_size; struct repack_info *pack_info = xcalloc(m->num_packs, sizeof(struct repack_info)); + int pack_kept_objects = 0; + + repo_config_get_bool(r, "repack.packkeptobjects", &pack_kept_objects); for (i = 0; i < m->num_packs; i++) { pack_info[i].pack_int_id = i; @@ -1292,6 +1352,8 @@ static int fill_included_packs_batch(struct repository *r, if (!p) continue; + if (!pack_kept_objects && p->pack_keep) + continue; if (open_pack_index(p) || !p->num_objects) continue; @@ -1315,7 +1377,7 @@ static int fill_included_packs_batch(struct repository *r, return 0; } -int midx_repack(struct repository *r, const char *object_dir, size_t batch_size) +int midx_repack(struct repository *r, const char *object_dir, size_t batch_size, unsigned flags) { int result = 0; uint32_t i; @@ -1324,6 +1386,14 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size) struct strbuf base_name = STRBUF_INIT; struct multi_pack_index *m = load_multi_pack_index(object_dir, 1); + /* + * When updating the default for these configuration + * variables in builtin/repack.c, these must be adjusted + * to match. + */ + int delta_base_offset = 1; + int use_delta_islands = 0; + if (!m) return 0; @@ -1332,14 +1402,28 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size) if (batch_size) { if (fill_included_packs_batch(r, m, include_pack, batch_size)) goto cleanup; - } else if (fill_included_packs_all(m, include_pack)) + } else if (fill_included_packs_all(r, m, include_pack)) goto cleanup; + repo_config_get_bool(r, "repack.usedeltabaseoffset", &delta_base_offset); + repo_config_get_bool(r, "repack.usedeltaislands", &use_delta_islands); + argv_array_push(&cmd.args, "pack-objects"); strbuf_addstr(&base_name, object_dir); strbuf_addstr(&base_name, "/pack/pack"); argv_array_push(&cmd.args, base_name.buf); + + if (delta_base_offset) + argv_array_push(&cmd.args, "--delta-base-offset"); + if (use_delta_islands) + argv_array_push(&cmd.args, "--delta-islands"); + + if (flags & MIDX_PROGRESS) + argv_array_push(&cmd.args, "--progress"); + else + argv_array_push(&cmd.args, "-q"); + strbuf_release(&base_name); cmd.git_cmd = 1; @@ -1370,7 +1454,7 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size) goto cleanup; } - result = write_midx_internal(object_dir, m, NULL); + result = write_midx_internal(object_dir, m, NULL, flags); m = NULL; cleanup: |