diff --git a/builtin/repack.c b/builtin/repack.c index d1a563d5b6..0e4aae80c0 100644 --- a/builtin/repack.c +++ b/builtin/repack.c @@ -137,6 +137,8 @@ static void collect_pack_filenames(struct string_list *fname_nonkept_list, string_list_append_nodup(fname_nonkept_list, fname); } closedir(dir); + + string_list_sort(fname_kept_list); } static void remove_redundant_pack(const char *dir_name, const char *base_name) @@ -332,17 +334,38 @@ static int geometry_cmp(const void *va, const void *vb) return 0; } -static void init_pack_geometry(struct pack_geometry **geometry_p) +static void init_pack_geometry(struct pack_geometry **geometry_p, + struct string_list *existing_kept_packs) { struct packed_git *p; struct pack_geometry *geometry; + struct strbuf buf = STRBUF_INIT; *geometry_p = xcalloc(1, sizeof(struct pack_geometry)); geometry = *geometry_p; for (p = get_all_packs(the_repository); p; p = p->next) { - if (!pack_kept_objects && p->pack_keep) - continue; + if (!pack_kept_objects) { + /* + * Any pack that has its pack_keep bit set will appear + * in existing_kept_packs below, but this saves us from + * doing a more expensive check. + */ + if (p->pack_keep) + continue; + + /* + * The pack may be kept via the --keep-pack option; + * check 'existing_kept_packs' to determine whether to + * ignore it. + */ + strbuf_reset(&buf); + strbuf_addstr(&buf, pack_basename(p)); + strbuf_strip_suffix(&buf, ".pack"); + + if (string_list_has_string(existing_kept_packs, buf.buf)) + continue; + } ALLOC_GROW(geometry->pack, geometry->pack_nr + 1, @@ -353,6 +376,7 @@ static void init_pack_geometry(struct pack_geometry **geometry_p) } QSORT(geometry->pack, geometry->pack_nr, geometry_cmp); + strbuf_release(&buf); } static void split_pack_geometry(struct pack_geometry *geometry, int factor) @@ -714,17 +738,20 @@ int cmd_repack(int argc, const char **argv, const char *prefix) strbuf_release(&path); } - if (geometric_factor) { - if (pack_everything) - die(_("options '%s' and '%s' cannot be used together"), "--geometric", "-A/-a"); - init_pack_geometry(&geometry); - split_pack_geometry(geometry, geometric_factor); - } - packdir = mkpathdup("%s/pack", get_object_directory()); packtmp_name = xstrfmt(".tmp-%d-pack", (int)getpid()); packtmp = mkpathdup("%s/%s", packdir, packtmp_name); + collect_pack_filenames(&existing_nonkept_packs, &existing_kept_packs, + &keep_pack_list); + + if (geometric_factor) { + if (pack_everything) + die(_("options '%s' and '%s' cannot be used together"), "--geometric", "-A/-a"); + init_pack_geometry(&geometry, &existing_kept_packs); + split_pack_geometry(geometry, geometric_factor); + } + sigchain_push_common(remove_pack_on_signal); prepare_pack_objects(&cmd, &po_args); @@ -764,9 +791,6 @@ int cmd_repack(int argc, const char **argv, const char *prefix) if (use_delta_islands) strvec_push(&cmd.args, "--delta-islands"); - collect_pack_filenames(&existing_nonkept_packs, &existing_kept_packs, - &keep_pack_list); - if (pack_everything & ALL_INTO_ONE) { repack_promisor_objects(&po_args, &names); @@ -832,6 +856,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix) if (!names.nr && !po_args.quiet) printf_ln(_("Nothing new to pack.")); + string_list_sort(&names); + for_each_string_list_item(item, &names) { item->util = (void *)(uintptr_t)populate_pack_exts(item->string); } @@ -872,7 +898,6 @@ int cmd_repack(int argc, const char **argv, const char *prefix) if (delete_redundant && pack_everything & ALL_INTO_ONE) { const int hexsz = the_hash_algo->hexsz; - string_list_sort(&names); for_each_string_list_item(item, &existing_nonkept_packs) { char *sha1; size_t len = strlen(item->string); diff --git a/t/t7703-repack-geometric.sh b/t/t7703-repack-geometric.sh index bdbbcbf1ec..da87f8b2d8 100755 --- a/t/t7703-repack-geometric.sh +++ b/t/t7703-repack-geometric.sh @@ -7,6 +7,7 @@ test_description='git repack --geometric works correctly' GIT_TEST_MULTI_PACK_INDEX=0 objdir=.git/objects +packdir=$objdir/pack midx=$objdir/pack/multi-pack-index test_expect_success '--geometric with no packs' ' @@ -180,6 +181,34 @@ test_expect_success '--geometric ignores kept packs' ' ) ' +test_expect_success '--geometric ignores --keep-pack packs' ' + git init geometric && + test_when_finished "rm -fr geometric" && + ( + cd geometric && + + # Create two equal-sized packs + test_commit kept && # 3 objects + git repack -d && + test_commit pack && # 3 objects + git repack -d && + + find $objdir/pack -type f -name "*.pack" | sort >packs.before && + git repack --geometric 2 -dm \ + --keep-pack="$(basename "$(head -n 1 packs.before)")" >out && + find $objdir/pack -type f -name "*.pack" | sort >packs.after && + + # Packs should not have changed (only one non-kept pack, no + # loose objects), but $midx should now exist. + grep "Nothing new to pack" out && + test_path_is_file $midx && + + test_cmp packs.before packs.after && + + git fsck + ) +' + test_expect_success '--geometric chooses largest MIDX preferred pack' ' git init geometric && test_when_finished "rm -fr geometric" && @@ -202,4 +231,50 @@ test_expect_success '--geometric chooses largest MIDX preferred pack' ' ) ' +test_expect_success '--geometric with pack.packSizeLimit' ' + git init pack-rewrite && + test_when_finished "rm -fr pack-rewrite" && + ( + cd pack-rewrite && + + test-tool genrandom foo 1048576 >foo && + test-tool genrandom bar 1048576 >bar && + + git add foo bar && + test_tick && + git commit -m base && + + git rev-parse HEAD:foo HEAD:bar >p1.objects && + git rev-parse HEAD HEAD^{tree} >p2.objects && + + # These two packs each contain two objects, so the following + # `--geometric` repack will try to combine them. + p1="$(git pack-objects $packdir/pack