diff --git a/Documentation/git-sparse-checkout.txt b/Documentation/git-sparse-checkout.txt index 0914619881..746f920d71 100644 --- a/Documentation/git-sparse-checkout.txt +++ b/Documentation/git-sparse-checkout.txt @@ -59,6 +59,13 @@ directories. The input format matches the output of `git ls-tree --name-only`. This includes interpreting pathnames that begin with a double quote (") as C-style quoted strings. +'add':: + Update the sparse-checkout file to include additional patterns. + By default, these patterns are read from the command-line arguments, + but they can be read from stdin using the `--stdin` option. When + `core.sparseCheckoutCone` is enabled, the given patterns are interpreted + as directory names as in the 'set' subcommand. + 'disable':: Disable the `core.sparseCheckout` config setting, and restore the working directory to include all files. Leaves the sparse-checkout diff --git a/builtin/sparse-checkout.c b/builtin/sparse-checkout.c index 03915dd729..af9e3e5123 100644 --- a/builtin/sparse-checkout.c +++ b/builtin/sparse-checkout.c @@ -18,7 +18,7 @@ static const char *empty_base = ""; static char const * const builtin_sparse_checkout_usage[] = { - N_("git sparse-checkout (init|list|set|disable) "), + N_("git sparse-checkout (init|list|set|add|disable) "), NULL }; @@ -404,7 +404,7 @@ static void strbuf_to_cone_pattern(struct strbuf *line, struct pattern_list *pl) } static char const * const builtin_sparse_checkout_set_usage[] = { - N_("git sparse-checkout set (--stdin | )"), + N_("git sparse-checkout (set|add) (--stdin | )"), NULL }; @@ -464,8 +464,54 @@ static void add_patterns_from_input(struct pattern_list *pl, enum modify_type { REPLACE, + ADD, }; +static void add_patterns_cone_mode(int argc, const char **argv, + struct pattern_list *pl) +{ + struct strbuf buffer = STRBUF_INIT; + struct pattern_entry *pe; + struct hashmap_iter iter; + struct pattern_list existing; + char *sparse_filename = get_sparse_checkout_filename(); + + add_patterns_from_input(pl, argc, argv); + + memset(&existing, 0, sizeof(existing)); + existing.use_cone_patterns = core_sparse_checkout_cone; + + if (add_patterns_from_file_to_list(sparse_filename, "", 0, + &existing, NULL)) + die(_("unable to load existing sparse-checkout patterns")); + free(sparse_filename); + + hashmap_for_each_entry(&existing.recursive_hashmap, &iter, pe, ent) { + if (!hashmap_contains_parent(&pl->recursive_hashmap, + pe->pattern, &buffer) || + !hashmap_contains_parent(&pl->parent_hashmap, + pe->pattern, &buffer)) { + strbuf_reset(&buffer); + strbuf_addstr(&buffer, pe->pattern); + insert_recursive_pattern(pl, &buffer); + } + } + + clear_pattern_list(&existing); + strbuf_release(&buffer); +} + +static void add_patterns_literal(int argc, const char **argv, + struct pattern_list *pl) +{ + char *sparse_filename = get_sparse_checkout_filename(); + if (add_patterns_from_file_to_list(sparse_filename, "", 0, + pl, NULL)) + die(_("unable to load existing sparse-checkout patterns")); + free(sparse_filename); + add_patterns_from_input(pl, argc, argv); +} + static int modify_pattern_list(int argc, const char **argv, enum modify_type m) { int result; @@ -473,7 +519,18 @@ static int modify_pattern_list(int argc, const char **argv, enum modify_type m) struct pattern_list pl; memset(&pl, 0, sizeof(pl)); - add_patterns_from_input(&pl, argc, argv); + switch (m) { + case ADD: + if (core_sparse_checkout_cone) + add_patterns_cone_mode(argc, argv, &pl); + else + add_patterns_literal(argc, argv, &pl); + break; + + case REPLACE: + add_patterns_from_input(&pl, argc, argv); + break; + } if (!core_apply_sparse_checkout) { set_config(MODE_ALL_PATTERNS); @@ -490,7 +547,8 @@ static int modify_pattern_list(int argc, const char **argv, enum modify_type m) return result; } -static int sparse_checkout_set(int argc, const char **argv, const char *prefix) +static int sparse_checkout_set(int argc, const char **argv, const char *prefix, + enum modify_type m) { static struct option builtin_sparse_checkout_set_options[] = { OPT_BOOL(0, "stdin", &set_opts.use_stdin, @@ -507,7 +565,7 @@ static int sparse_checkout_set(int argc, const char **argv, const char *prefix) builtin_sparse_checkout_set_usage, PARSE_OPT_KEEP_UNKNOWN); - return modify_pattern_list(argc, argv, REPLACE); + return modify_pattern_list(argc, argv, m); } static int sparse_checkout_disable(int argc, const char **argv) @@ -558,7 +616,9 @@ int cmd_sparse_checkout(int argc, const char **argv, const char *prefix) if (!strcmp(argv[0], "init")) return sparse_checkout_init(argc, argv); if (!strcmp(argv[0], "set")) - return sparse_checkout_set(argc, argv, prefix); + return sparse_checkout_set(argc, argv, prefix, REPLACE); + if (!strcmp(argv[0], "add")) + return sparse_checkout_set(argc, argv, prefix, ADD); if (!strcmp(argv[0], "disable")) return sparse_checkout_disable(argc, argv); } diff --git a/t/t1091-sparse-checkout-builtin.sh b/t/t1091-sparse-checkout-builtin.sh index 7d982096fb..f9265de5e8 100755 --- a/t/t1091-sparse-checkout-builtin.sh +++ b/t/t1091-sparse-checkout-builtin.sh @@ -141,6 +141,21 @@ test_expect_success 'set sparse-checkout using --stdin' ' check_files repo "a folder1 folder2" ' +test_expect_success 'add to sparse-checkout' ' + cat repo/.git/info/sparse-checkout >expect && + cat >add <<-\EOF && + pattern1 + /folder1/ + pattern2 + EOF + cat add >>expect && + git -C repo sparse-checkout add --stdin actual && + test_cmp expect actual && + test_cmp expect repo/.git/info/sparse-checkout && + check_files repo "a folder1 folder2" +' + test_expect_success 'cone mode: match patterns' ' git -C repo config --worktree core.sparseCheckoutCone true && rm -rf repo/a repo/folder1 repo/folder2 && @@ -219,8 +234,52 @@ test_expect_success 'cone mode: set with nested folders' ' test_cmp repo/.git/info/sparse-checkout expect ' +test_expect_success 'cone mode: add independent path' ' + git -C repo sparse-checkout set deep/deeper1 && + git -C repo sparse-checkout add folder1 && + cat >expect <<-\EOF && + /* + !/*/ + /deep/ + !/deep/*/ + /deep/deeper1/ + /folder1/ + EOF + test_cmp expect repo/.git/info/sparse-checkout && + check_files repo a deep folder1 +' + +test_expect_success 'cone mode: add sibling path' ' + git -C repo sparse-checkout set deep/deeper1 && + git -C repo sparse-checkout add deep/deeper2 && + cat >expect <<-\EOF && + /* + !/*/ + /deep/ + !/deep/*/ + /deep/deeper1/ + /deep/deeper2/ + EOF + test_cmp expect repo/.git/info/sparse-checkout && + check_files repo a deep +' + +test_expect_success 'cone mode: add parent path' ' + git -C repo sparse-checkout set deep/deeper1 folder1 && + git -C repo sparse-checkout add deep && + cat >expect <<-\EOF && + /* + !/*/ + /deep/ + /folder1/ + EOF + test_cmp expect repo/.git/info/sparse-checkout && + check_files repo a deep folder1 +' + test_expect_success 'revert to old sparse-checkout on bad update' ' test_when_finished git -C repo reset --hard && + git -C repo sparse-checkout set deep && echo update >repo/deep/deeper2/a && cp repo/.git/info/sparse-checkout expect && test_must_fail git -C repo sparse-checkout set deep/deeper1 2>err &&