diff options
| -rw-r--r-- | Documentation/config/feature.txt | 5 | ||||
| -rw-r--r-- | read-cache.c | 3 | ||||
| -rw-r--r-- | repo-settings.c | 2 | ||||
| -rw-r--r-- | repository.h | 1 | ||||
| -rw-r--r-- | scalar.c | 1 | ||||
| -rwxr-xr-x | t/t1600-index.sh | 11 |
6 files changed, 22 insertions, 1 deletions
diff --git a/Documentation/config/feature.txt b/Documentation/config/feature.txt index 95975e5091..e52bc6b858 100644 --- a/Documentation/config/feature.txt +++ b/Documentation/config/feature.txt @@ -23,6 +23,11 @@ feature.manyFiles:: working directory. With many files, commands such as `git status` and `git checkout` may be slow and these new defaults improve performance: + +* `index.skipHash=true` speeds up index writes by not computing a trailing + checksum. Note that this will cause Git versions earlier than 2.13.0 to + refuse to parse the index and Git versions earlier than 2.40.0 will report + a corrupted index during `git fsck`. ++ * `index.version=4` enables path-prefix compression in the index. + * `core.untrackedCache=true` enables the untracked cache. This setting assumes diff --git a/read-cache.c b/read-cache.c index d73a81e41a..feefa0f68b 100644 --- a/read-cache.c +++ b/read-cache.c @@ -2927,7 +2927,8 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile, f = hashfd(tempfile->fd, tempfile->filename.buf); - repo_config_get_bool(r, "index.skiphash", &f->skip_hash); + prepare_repo_settings(r); + f->skip_hash = r->settings.index_skip_hash; for (i = removed = extended = 0; i < entries; i++) { if (cache[i]->ce_flags & CE_REMOVE) diff --git a/repo-settings.c b/repo-settings.c index 3021921c53..3dbd3f0e2e 100644 --- a/repo-settings.c +++ b/repo-settings.c @@ -47,6 +47,7 @@ void prepare_repo_settings(struct repository *r) } if (manyfiles) { r->settings.index_version = 4; + r->settings.index_skip_hash = 1; r->settings.core_untracked_cache = UNTRACKED_CACHE_WRITE; } @@ -61,6 +62,7 @@ void prepare_repo_settings(struct repository *r) repo_cfg_bool(r, "pack.usesparse", &r->settings.pack_use_sparse, 1); repo_cfg_bool(r, "core.multipackindex", &r->settings.core_multi_pack_index, 1); repo_cfg_bool(r, "index.sparse", &r->settings.sparse_index, 0); + repo_cfg_bool(r, "index.skiphash", &r->settings.index_skip_hash, r->settings.index_skip_hash); /* * The GIT_TEST_MULTI_PACK_INDEX variable is special in that diff --git a/repository.h b/repository.h index 6c461c5b9d..e8c67ffe16 100644 --- a/repository.h +++ b/repository.h @@ -42,6 +42,7 @@ struct repo_settings { struct fsmonitor_settings *fsmonitor; /* lazily loaded */ int index_version; + int index_skip_hash; enum untracked_cache_setting core_untracked_cache; int pack_use_sparse; @@ -143,6 +143,7 @@ static int set_recommended_config(int reconfigure) { "credential.validate", "false", 1 }, /* GCM4W-only */ { "gc.auto", "0", 1 }, { "gui.GCWarning", "false", 1 }, + { "index.skipHash", "false", 1 }, { "index.threads", "true", 1 }, { "index.version", "4", 1 }, { "merge.stat", "false", 1 }, diff --git a/t/t1600-index.sh b/t/t1600-index.sh index 2f792bb8ff..0ebbae1305 100755 --- a/t/t1600-index.sh +++ b/t/t1600-index.sh @@ -73,6 +73,17 @@ test_expect_success 'index.skipHash config option' ' test_cmp expect hash && git fsck && + rm -f .git/index && + git -c feature.manyFiles=true add a && + test_trailing_hash .git/index >hash && + cmp expect hash && + + rm -f .git/index && + git -c feature.manyFiles=true \ + -c index.skipHash=false add a && + test_trailing_hash .git/index >hash && + ! cmp expect hash && + test_commit start && git -c protocol.file.allow=always submodule add ./ sub && git config index.skipHash false && |