diff options
| -rw-r--r-- | Documentation/config.txt | 2 | ||||
| -rw-r--r-- | Documentation/config/sparse.txt | 27 | ||||
| -rw-r--r-- | cache.h | 1 | ||||
| -rw-r--r-- | config.c | 14 | ||||
| -rw-r--r-- | environment.c | 1 | ||||
| -rw-r--r-- | sparse-index.c | 3 | ||||
| -rwxr-xr-x | t/t1090-sparse-checkout-scope.sh | 19 |
7 files changed, 66 insertions, 1 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt index b168f02dc3..8628ae2634 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -468,6 +468,8 @@ include::config/sequencer.txt[] include::config/showbranch.txt[] +include::config/sparse.txt[] + include::config/splitindex.txt[] include::config/ssh.txt[] diff --git a/Documentation/config/sparse.txt b/Documentation/config/sparse.txt new file mode 100644 index 0000000000..aff49a8d3a --- /dev/null +++ b/Documentation/config/sparse.txt @@ -0,0 +1,27 @@ +sparse.expectFilesOutsideOfPatterns:: + Typically with sparse checkouts, files not matching any + sparsity patterns are marked with a SKIP_WORKTREE bit in the + index and are missing from the working tree. Accordingly, Git + will ordinarily check whether files with the SKIP_WORKTREE bit + are in fact present in the working tree contrary to + expectations. If Git finds any, it marks those paths as + present by clearing the relevant SKIP_WORKTREE bits. This + option can be used to tell Git that such + present-despite-skipped files are expected and to stop + checking for them. ++ +The default is `false`, which allows Git to automatically recover +from the list of files in the index and working tree falling out of +sync. ++ +Set this to `true` if you are in a setup where some external factor +relieves Git of the responsibility for maintaining the consistency +between the presence of working tree files and sparsity patterns. For +example, if you have a Git-aware virtual file system that has a robust +mechanism for keeping the working tree and the sparsity patterns up to +date based on access patterns. ++ +Regardless of this setting, Git does not check for +present-despite-skipped files unless sparse checkout is enabled, so +this config option has no effect unless `core.sparseCheckout` is +`true`. @@ -1003,6 +1003,7 @@ extern const char *core_fsmonitor; extern int core_apply_sparse_checkout; extern int core_sparse_checkout_cone; +extern int sparse_expect_files_outside_of_patterns; /* * Returns the boolean value of $GIT_OPTIONAL_LOCKS (or the default value). @@ -1544,6 +1544,17 @@ static int git_default_core_config(const char *var, const char *value, void *cb) return platform_core_config(var, value, cb); } +static int git_default_sparse_config(const char *var, const char *value) +{ + if (!strcmp(var, "sparse.expectfilesoutsideofpatterns")) { + sparse_expect_files_outside_of_patterns = git_config_bool(var, value); + return 0; + } + + /* Add other config variables here and to Documentation/config/sparse.txt. */ + return 0; +} + static int git_default_i18n_config(const char *var, const char *value) { if (!strcmp(var, "i18n.commitencoding")) @@ -1675,6 +1686,9 @@ int git_default_config(const char *var, const char *value, void *cb) return 0; } + if (starts_with(var, "sparse.")) + return git_default_sparse_config(var, value); + /* Add other config variables here and to Documentation/config.txt. */ return 0; } diff --git a/environment.c b/environment.c index fd0501e77a..fb55bf6129 100644 --- a/environment.c +++ b/environment.c @@ -70,6 +70,7 @@ char *notes_ref_name; int grafts_replace_parents = 1; int core_apply_sparse_checkout; int core_sparse_checkout_cone; +int sparse_expect_files_outside_of_patterns; int merge_log_config = -1; int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */ unsigned long pack_size_limit_cfg; diff --git a/sparse-index.c b/sparse-index.c index eed170cd8f..daeb5112a1 100644 --- a/sparse-index.c +++ b/sparse-index.c @@ -396,7 +396,8 @@ void clear_skip_worktree_from_present_files(struct index_state *istate) int i; - if (!core_apply_sparse_checkout) + if (!core_apply_sparse_checkout || + sparse_expect_files_outside_of_patterns) return; restart: diff --git a/t/t1090-sparse-checkout-scope.sh b/t/t1090-sparse-checkout-scope.sh index 3deb490187..d1833c0f31 100755 --- a/t/t1090-sparse-checkout-scope.sh +++ b/t/t1090-sparse-checkout-scope.sh @@ -52,6 +52,25 @@ test_expect_success 'return to full checkout of main' ' test "$(cat b)" = "modified" ' +test_expect_success 'skip-worktree on files outside sparse patterns' ' + git sparse-checkout disable && + git sparse-checkout set --no-cone "a*" && + git checkout-index --all --ignore-skip-worktree-bits && + + git ls-files -t >output && + ! grep ^S output >actual && + test_must_be_empty actual && + + test_config sparse.expectFilesOutsideOfPatterns true && + cat <<-\EOF >expect && + S b + S c + EOF + git ls-files -t >output && + grep ^S output >actual && + test_cmp expect actual +' + test_expect_success 'in partial clone, sparse checkout only fetches needed blobs' ' test_create_repo server && git clone "file://$(pwd)/server" client && |