diff options
| -rw-r--r-- | builtin/pack-objects.c | 8 | ||||
| -rw-r--r-- | midx-write.c | 10 | ||||
| -rw-r--r-- | pack-bitmap-write.c | 37 | ||||
| -rw-r--r-- | pack-bitmap.h | 11 | ||||
| -rw-r--r-- | pseudo-merge.c | 13 | ||||
| -rwxr-xr-x | t/t5333-pseudo-merge-bitmaps.sh | 56 |
6 files changed, 96 insertions, 39 deletions
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index c481feadbf..778be80f56 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -1342,10 +1342,10 @@ static void write_pack_file(void) if (write_bitmap_index) { bitmap_writer_init(&bitmap_writer, - the_repository); + the_repository, &to_pack); bitmap_writer_set_checksum(&bitmap_writer, hash); bitmap_writer_build_type_index(&bitmap_writer, - &to_pack, written_list, nr_written); + written_list); } if (cruft) @@ -1367,10 +1367,10 @@ static void write_pack_file(void) bitmap_writer_select_commits(&bitmap_writer, indexed_commits, indexed_commits_nr); - if (bitmap_writer_build(&bitmap_writer, &to_pack) < 0) + if (bitmap_writer_build(&bitmap_writer) < 0) die(_("failed to write bitmap index")); bitmap_writer_finish(&bitmap_writer, - written_list, nr_written, + written_list, tmpname.buf, write_bitmap_options); bitmap_writer_free(&bitmap_writer); write_bitmap_index = 0; diff --git a/midx-write.c b/midx-write.c index e3fa33203f..c7413ae3ca 100644 --- a/midx-write.c +++ b/midx-write.c @@ -858,10 +858,9 @@ static int write_midx_bitmap(const char *midx_name, for (i = 0; i < pdata->nr_objects; i++) index[i] = &pdata->objects[i].idx; - bitmap_writer_init(&writer, the_repository); + bitmap_writer_init(&writer, the_repository, pdata); bitmap_writer_show_progress(&writer, flags & MIDX_PROGRESS); - bitmap_writer_build_type_index(&writer, pdata, index, - pdata->nr_objects); + bitmap_writer_build_type_index(&writer, index); /* * bitmap_writer_finish expects objects in lex order, but pack_order @@ -880,13 +879,12 @@ static int write_midx_bitmap(const char *midx_name, index[pack_order[i]] = &pdata->objects[i].idx; bitmap_writer_select_commits(&writer, commits, commits_nr); - ret = bitmap_writer_build(&writer, pdata); + ret = bitmap_writer_build(&writer); if (ret < 0) goto cleanup; bitmap_writer_set_checksum(&writer, midx_hash); - bitmap_writer_finish(&writer, index, pdata->nr_objects, bitmap_name, - options); + bitmap_writer_finish(&writer, index, bitmap_name, options); cleanup: free(index); diff --git a/pack-bitmap-write.c b/pack-bitmap-write.c index bf96c80898..923f793cec 100644 --- a/pack-bitmap-write.c +++ b/pack-bitmap-write.c @@ -41,13 +41,15 @@ static inline int bitmap_writer_nr_selected_commits(struct bitmap_writer *writer return writer->selected_nr - writer->pseudo_merges_nr; } -void bitmap_writer_init(struct bitmap_writer *writer, struct repository *r) +void bitmap_writer_init(struct bitmap_writer *writer, struct repository *r, + struct packing_data *pdata) { memset(writer, 0, sizeof(struct bitmap_writer)); if (writer->bitmaps) BUG("bitmap writer already initialized"); writer->bitmaps = kh_init_oid_map(); writer->pseudo_merge_commits = kh_init_oid_map(); + writer->to_pack = pdata; string_list_init_dup(&writer->pseudo_merge_groups); @@ -99,9 +101,7 @@ void bitmap_writer_show_progress(struct bitmap_writer *writer, int show) * Build the initial type index for the packfile or multi-pack-index */ void bitmap_writer_build_type_index(struct bitmap_writer *writer, - struct packing_data *to_pack, - struct pack_idx_entry **index, - uint32_t index_nr) + struct pack_idx_entry **index) { uint32_t i; @@ -109,13 +109,13 @@ void bitmap_writer_build_type_index(struct bitmap_writer *writer, writer->trees = ewah_new(); writer->blobs = ewah_new(); writer->tags = ewah_new(); - ALLOC_ARRAY(to_pack->in_pack_pos, to_pack->nr_objects); + ALLOC_ARRAY(writer->to_pack->in_pack_pos, writer->to_pack->nr_objects); - for (i = 0; i < index_nr; ++i) { + for (i = 0; i < writer->to_pack->nr_objects; ++i) { struct object_entry *entry = (struct object_entry *)index[i]; enum object_type real_type; - oe_set_in_pack_pos(to_pack, entry, i); + oe_set_in_pack_pos(writer->to_pack, entry, i); switch (oe_type(entry)) { case OBJ_COMMIT: @@ -126,7 +126,7 @@ void bitmap_writer_build_type_index(struct bitmap_writer *writer, break; default: - real_type = oid_object_info(to_pack->repo, + real_type = oid_object_info(writer->to_pack->repo, &entry->idx.oid, NULL); break; } @@ -569,8 +569,7 @@ static void store_selected(struct bitmap_writer *writer, kh_value(writer->bitmaps, hash_pos) = stored; } -int bitmap_writer_build(struct bitmap_writer *writer, - struct packing_data *to_pack) +int bitmap_writer_build(struct bitmap_writer *writer) { struct bitmap_builder bb; size_t i; @@ -581,17 +580,15 @@ int bitmap_writer_build(struct bitmap_writer *writer, uint32_t *mapping; int closed = 1; /* until proven otherwise */ - writer->to_pack = to_pack; - if (writer->show_progress) writer->progress = start_progress("Building bitmaps", writer->selected_nr); trace2_region_enter("pack-bitmap-write", "building_bitmaps_total", the_repository); - old_bitmap = prepare_bitmap_git(to_pack->repo); + old_bitmap = prepare_bitmap_git(writer->to_pack->repo); if (old_bitmap) - mapping = create_bitmap_mapping(old_bitmap, to_pack); + mapping = create_bitmap_mapping(old_bitmap, writer->to_pack); else mapping = NULL; @@ -697,6 +694,10 @@ void bitmap_writer_select_commits(struct bitmap_writer *writer, if (indexed_commits_nr < 100) { for (i = 0; i < indexed_commits_nr; ++i) bitmap_writer_push_commit(writer, indexed_commits[i], 0); + + select_pseudo_merges(writer, indexed_commits, + indexed_commits_nr); + return; } @@ -1001,7 +1002,6 @@ void bitmap_writer_set_checksum(struct bitmap_writer *writer, void bitmap_writer_finish(struct bitmap_writer *writer, struct pack_idx_entry **index, - uint32_t index_nr, const char *filename, uint16_t options) { @@ -1034,12 +1034,13 @@ void bitmap_writer_finish(struct bitmap_writer *writer, dump_bitmap(f, writer->tags); if (options & BITMAP_OPT_LOOKUP_TABLE) - CALLOC_ARRAY(offsets, index_nr); + CALLOC_ARRAY(offsets, writer->to_pack->nr_objects); for (i = 0; i < bitmap_writer_nr_selected_commits(writer); i++) { struct bitmapped_commit *stored = &writer->selected[i]; int commit_pos = oid_pos(&stored->commit->object.oid, index, - index_nr, oid_access); + writer->to_pack->nr_objects, + oid_access); if (commit_pos < 0) BUG(_("trying to write commit not in index")); @@ -1055,7 +1056,7 @@ void bitmap_writer_finish(struct bitmap_writer *writer, write_lookup_table(writer, f, offsets); if (options & BITMAP_OPT_HASH_CACHE) - write_hash_cache(f, index, index_nr); + write_hash_cache(f, index, writer->to_pack->nr_objects); finalize_hashfile(f, NULL, FSYNC_COMPONENT_PACK_METADATA, CSUM_HASH_IN_STREAM | CSUM_FSYNC | CSUM_CLOSE); diff --git a/pack-bitmap.h b/pack-bitmap.h index 1171e6d989..ff0fd815b8 100644 --- a/pack-bitmap.h +++ b/pack-bitmap.h @@ -123,14 +123,13 @@ struct bitmap_writer { unsigned char pack_checksum[GIT_MAX_RAWSZ]; }; -void bitmap_writer_init(struct bitmap_writer *writer, struct repository *r); +void bitmap_writer_init(struct bitmap_writer *writer, struct repository *r, + struct packing_data *pdata); void bitmap_writer_show_progress(struct bitmap_writer *writer, int show); void bitmap_writer_set_checksum(struct bitmap_writer *writer, const unsigned char *sha1); void bitmap_writer_build_type_index(struct bitmap_writer *writer, - struct packing_data *to_pack, - struct pack_idx_entry **index, - uint32_t index_nr); + struct pack_idx_entry **index); int bitmap_writer_has_bitmapped_object_id(struct bitmap_writer *writer, const struct object_id *oid); void bitmap_writer_push_commit(struct bitmap_writer *writer, @@ -147,11 +146,9 @@ struct ewah_bitmap *pseudo_merge_bitmap_for_commit(struct bitmap_index *bitmap_g void bitmap_writer_select_commits(struct bitmap_writer *writer, struct commit **indexed_commits, unsigned int indexed_commits_nr); -int bitmap_writer_build(struct bitmap_writer *writer, - struct packing_data *to_pack); +int bitmap_writer_build(struct bitmap_writer *writer); void bitmap_writer_finish(struct bitmap_writer *writer, struct pack_idx_entry **index, - uint32_t index_nr, const char *filename, uint16_t options); void bitmap_writer_free(struct bitmap_writer *writer); diff --git a/pseudo-merge.c b/pseudo-merge.c index 77a83b9c5c..0c11b0ab3d 100644 --- a/pseudo-merge.c +++ b/pseudo-merge.c @@ -218,6 +218,8 @@ static int find_pseudo_merge_group_for_ref(const char *refname, c = lookup_commit(the_repository, oid); if (!c) return 0; + if (!packlist_find(writer->to_pack, oid)) + return 0; has_bitmap = bitmap_writer_has_bitmapped_object_id(writer, oid); @@ -358,8 +360,10 @@ static void select_pseudo_merges_1(struct bitmap_writer *writer, p = commit_list_append(c, p); } while (j % group->stable_size); - bitmap_writer_push_commit(writer, merge, 1); - writer->pseudo_merges_nr++; + if (merge->parents) { + bitmap_writer_push_commit(writer, merge, 1); + writer->pseudo_merges_nr++; + } } /* make up to group->max_merges pseudo merges for unstable commits */ @@ -399,8 +403,9 @@ static void select_pseudo_merges_1(struct bitmap_writer *writer, p = commit_list_append(c, p); } - bitmap_writer_push_commit(writer, merge, 1); - writer->pseudo_merges_nr++; + if (merge->parents) { + bitmap_writer_push_commit(writer, merge, 1); + writer->pseudo_merges_nr++; } if (end >= matches->unstable_nr) break; } diff --git a/t/t5333-pseudo-merge-bitmaps.sh b/t/t5333-pseudo-merge-bitmaps.sh index f052f395a7..1dd6284756 100755 --- a/t/t5333-pseudo-merge-bitmaps.sh +++ b/t/t5333-pseudo-merge-bitmaps.sh @@ -390,4 +390,60 @@ test_expect_success 'pseudo-merge reuse' ' ) ' +test_expect_success 'empty pseudo-merge group' ' + git init pseudo-merge-empty-group && + ( + cd pseudo-merge-empty-group && + + # Ensure that a pseudo-merge group with no unstable + # commits does not generate an empty pseudo-merge + # bitmap. + git config bitmapPseudoMerge.empty.pattern refs/ && + + test_commit base && + git repack -adb && + + test-tool bitmap dump-pseudo-merges >merges && + test_line_count = 1 merges && + + test 0 -eq "$(grep -c commits=0 <merges)" + ) +' + +test_expect_success 'pseudo-merge closure' ' + git init pseudo-merge-closure && + ( + cd pseudo-merge-closure && + + test_commit A && + git repack -d && + + test_commit B && + + # Note that the contents of A is packed, but B is not. A + # (and the objects reachable from it) are thus visible + # to the MIDX, but the same is not true for B and its + # objects. + # + # Ensure that we do not attempt to create a pseudo-merge + # for B, depsite it matching the below pseudo-merge + # group pattern, as doing so would result in a failure + # to write a non-closed bitmap. + git config bitmapPseudoMerge.test.pattern refs/ && + git config bitmapPseudoMerge.test.threshold now && + + git multi-pack-index write --bitmap && + + test-tool bitmap dump-pseudo-merges >pseudo-merges && + test_line_count = 1 pseudo-merges && + + git rev-parse A >expect && + + test-tool bitmap list-commits >actual && + test_cmp expect actual && + test-tool bitmap dump-pseudo-merge-commits 0 >actual && + test_cmp expect actual + ) +' + test_done |