diff options
| -rw-r--r-- | Documentation/config/feature.txt | 3 | ||||
| -rw-r--r-- | Documentation/config/pack.txt | 4 | ||||
| -rw-r--r-- | Documentation/git-pack-objects.txt | 10 | ||||
| -rw-r--r-- | builtin/pack-objects.c | 4 | ||||
| -rw-r--r-- | repo-settings.c | 3 | ||||
| -rw-r--r-- | t/README | 6 | ||||
| -rwxr-xr-x | t/t5322-pack-objects-sparse.sh | 4 |
7 files changed, 18 insertions, 16 deletions
diff --git a/Documentation/config/feature.txt b/Documentation/config/feature.txt index 875f8c8a66..4e3a5c0ceb 100644 --- a/Documentation/config/feature.txt +++ b/Documentation/config/feature.txt @@ -12,9 +12,6 @@ feature.experimental:: setting if you are interested in providing feedback on experimental features. The new default values are: + -* `pack.useSparse=true` uses a new algorithm when constructing a pack-file -which can improve `git push` performance in repos with many files. -+ * `fetch.negotiationAlgorithm=skipping` may improve fetch negotiation times by skipping more commits at a time, reducing the number of round trips. + diff --git a/Documentation/config/pack.txt b/Documentation/config/pack.txt index 0dac580581..837f1b1679 100644 --- a/Documentation/config/pack.txt +++ b/Documentation/config/pack.txt @@ -119,8 +119,8 @@ pack.useSparse:: objects. This can have significant performance benefits when computing a pack to send a small change. However, it is possible that extra objects are added to the pack-file if the included - commits contain certain types of direct renames. Default is `false` - unless `feature.experimental` is enabled. + commits contain certain types of direct renames. Default is + `true`. pack.writeBitmaps (deprecated):: This is a deprecated synonym for `repack.writeBitmaps`. diff --git a/Documentation/git-pack-objects.txt b/Documentation/git-pack-objects.txt index fecdf2600c..eaa2f2a404 100644 --- a/Documentation/git-pack-objects.txt +++ b/Documentation/git-pack-objects.txt @@ -14,7 +14,7 @@ SYNOPSIS [--local] [--incremental] [--window=<n>] [--depth=<n>] [--revs [--unpacked | --all]] [--keep-pack=<pack-name>] [--stdout [--filter=<filter-spec>] | base-name] - [--shallow] [--keep-true-parents] [--sparse] < object-list + [--shallow] [--keep-true-parents] [--[no-]sparse] < object-list DESCRIPTION @@ -196,14 +196,16 @@ depth is 4095. Add --no-reuse-object if you want to force a uniform compression level on all data no matter the source. ---sparse:: - Use the "sparse" algorithm to determine which objects to include in +--[no-]sparse:: + Toggle the "sparse" algorithm to determine which objects to include in the pack, when combined with the "--revs" option. This algorithm only walks trees that appear in paths that introduce new objects. This can have significant performance benefits when computing a pack to send a small change. However, it is possible that extra objects are added to the pack-file if the included commits contain - certain types of direct renames. + certain types of direct renames. If this option is not included, + it defaults to the value of `pack.useSparse`, which is true unless + otherwise specified. --thin:: Create a "thin" pack by omitting the common objects between a diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index 4c2bb170c6..dc7c58ce3f 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -3469,9 +3469,9 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) read_replace_refs = 0; - sparse = git_env_bool("GIT_TEST_PACK_SPARSE", 0); + sparse = git_env_bool("GIT_TEST_PACK_SPARSE", -1); prepare_repo_settings(the_repository); - if (!sparse && the_repository->settings.pack_use_sparse != -1) + if (sparse < 0) sparse = the_repository->settings.pack_use_sparse; reset_pack_idx_option(&pack_idx_opts); diff --git a/repo-settings.c b/repo-settings.c index a703e407a3..dc6817daa9 100644 --- a/repo-settings.c +++ b/repo-settings.c @@ -45,6 +45,8 @@ void prepare_repo_settings(struct repository *r) if (!repo_config_get_bool(r, "pack.usesparse", &value)) r->settings.pack_use_sparse = value; + UPDATE_DEFAULT_BOOL(r->settings.pack_use_sparse, 1); + if (!repo_config_get_bool(r, "feature.manyfiles", &value) && value) { UPDATE_DEFAULT_BOOL(r->settings.index_version, 4); UPDATE_DEFAULT_BOOL(r->settings.core_untracked_cache, UNTRACKED_CACHE_WRITE); @@ -52,7 +54,6 @@ void prepare_repo_settings(struct repository *r) if (!repo_config_get_bool(r, "fetch.writecommitgraph", &value)) r->settings.fetch_write_commit_graph = value; if (!repo_config_get_bool(r, "feature.experimental", &value) && value) { - UPDATE_DEFAULT_BOOL(r->settings.pack_use_sparse, 1); UPDATE_DEFAULT_BOOL(r->settings.fetch_negotiation_algorithm, FETCH_NEGOTIATION_SKIPPING); UPDATE_DEFAULT_BOOL(r->settings.fetch_write_commit_graph, 1); } @@ -386,9 +386,9 @@ GIT_TEST_INDEX_VERSION=<n> exercises the index read/write code path for the index version specified. Can be set to any valid version (currently 2, 3, or 4). -GIT_TEST_PACK_SPARSE=<boolean> if enabled will default the pack-objects -builtin to use the sparse object walk. This can still be overridden by -the --no-sparse command-line argument. +GIT_TEST_PACK_SPARSE=<boolean> if disabled will default the pack-objects +builtin to use the non-sparse object walk. This can still be overridden by +the --sparse command-line argument. GIT_TEST_PRELOAD_INDEX=<boolean> exercises the preload-index code path by overriding the minimum number of cache entries required per thread. diff --git a/t/t5322-pack-objects-sparse.sh b/t/t5322-pack-objects-sparse.sh index 7124b5581a..a581eaf529 100755 --- a/t/t5322-pack-objects-sparse.sh +++ b/t/t5322-pack-objects-sparse.sh @@ -105,14 +105,16 @@ test_expect_success 'non-sparse pack-objects' ' test_cmp required_objects.txt nonsparse_required_objects.txt ' +# --sparse is enabled by default by pack.useSparse test_expect_success 'sparse pack-objects' ' + GIT_TEST_PACK_SPARSE=-1 && git rev-parse \ topic1 \ topic1^{tree} \ topic1:f3 \ topic1:f3/f4 \ topic1:f3/f4/data.txt | sort >expect_sparse_objects.txt && - git pack-objects --stdout --revs --sparse <packinput.txt >sparse.pack && + git pack-objects --stdout --revs <packinput.txt >sparse.pack && git index-pack -o sparse.idx sparse.pack && git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt && test_cmp expect_sparse_objects.txt sparse_objects.txt |