diff options
Diffstat (limited to 'third_party/git/builtin/sparse-checkout.c')
| -rw-r--r-- | third_party/git/builtin/sparse-checkout.c | 631 |
1 files changed, 0 insertions, 631 deletions
diff --git a/third_party/git/builtin/sparse-checkout.c b/third_party/git/builtin/sparse-checkout.c deleted file mode 100644 index 740da4b6d54a..000000000000 --- a/third_party/git/builtin/sparse-checkout.c +++ /dev/null @@ -1,631 +0,0 @@ -#include "builtin.h" -#include "config.h" -#include "dir.h" -#include "parse-options.h" -#include "pathspec.h" -#include "repository.h" -#include "run-command.h" -#include "strbuf.h" -#include "string-list.h" -#include "cache.h" -#include "cache-tree.h" -#include "lockfile.h" -#include "resolve-undo.h" -#include "unpack-trees.h" -#include "wt-status.h" -#include "quote.h" - -static const char *empty_base = ""; - -static char const * const builtin_sparse_checkout_usage[] = { - N_("git sparse-checkout (init|list|set|add|disable) <options>"), - NULL -}; - -static char *get_sparse_checkout_filename(void) -{ - return git_pathdup("info/sparse-checkout"); -} - -static void write_patterns_to_file(FILE *fp, struct pattern_list *pl) -{ - int i; - - for (i = 0; i < pl->nr; i++) { - struct path_pattern *p = pl->patterns[i]; - - if (p->flags & PATTERN_FLAG_NEGATIVE) - fprintf(fp, "!"); - - fprintf(fp, "%s", p->pattern); - - if (p->flags & PATTERN_FLAG_MUSTBEDIR) - fprintf(fp, "/"); - - fprintf(fp, "\n"); - } -} - -static int sparse_checkout_list(int argc, const char **argv) -{ - struct pattern_list pl; - char *sparse_filename; - int res; - - memset(&pl, 0, sizeof(pl)); - - pl.use_cone_patterns = core_sparse_checkout_cone; - - sparse_filename = get_sparse_checkout_filename(); - res = add_patterns_from_file_to_list(sparse_filename, "", 0, &pl, NULL); - free(sparse_filename); - - if (res < 0) { - warning(_("this worktree is not sparse (sparse-checkout file may not exist)")); - return 0; - } - - if (pl.use_cone_patterns) { - int i; - struct pattern_entry *pe; - struct hashmap_iter iter; - struct string_list sl = STRING_LIST_INIT_DUP; - - hashmap_for_each_entry(&pl.recursive_hashmap, &iter, pe, ent) { - /* pe->pattern starts with "/", skip it */ - string_list_insert(&sl, pe->pattern + 1); - } - - string_list_sort(&sl); - - for (i = 0; i < sl.nr; i++) { - quote_c_style(sl.items[i].string, NULL, stdout, 0); - printf("\n"); - } - - return 0; - } - - write_patterns_to_file(stdout, &pl); - clear_pattern_list(&pl); - - return 0; -} - -static int update_working_directory(struct pattern_list *pl) -{ - int result = 0; - struct unpack_trees_options o; - struct lock_file lock_file = LOCK_INIT; - struct object_id oid; - struct tree *tree; - struct tree_desc t; - struct repository *r = the_repository; - - if (repo_read_index_unmerged(r)) - die(_("you need to resolve your current index first")); - - if (get_oid("HEAD", &oid)) - return 0; - - tree = parse_tree_indirect(&oid); - parse_tree(tree); - init_tree_desc(&t, tree->buffer, tree->size); - - memset(&o, 0, sizeof(o)); - o.verbose_update = isatty(2); - o.merge = 1; - o.update = 1; - o.fn = oneway_merge; - o.head_idx = -1; - o.src_index = r->index; - o.dst_index = r->index; - o.skip_sparse_checkout = 0; - o.pl = pl; - o.keep_pattern_list = !!pl; - - resolve_undo_clear_index(r->index); - setup_work_tree(); - - cache_tree_free(&r->index->cache_tree); - - repo_hold_locked_index(r, &lock_file, LOCK_DIE_ON_ERROR); - - core_apply_sparse_checkout = 1; - result = unpack_trees(1, &t, &o); - - if (!result) { - prime_cache_tree(r, r->index, tree); - write_locked_index(r->index, &lock_file, COMMIT_LOCK); - } else - rollback_lock_file(&lock_file); - - return result; -} - -static char *escaped_pattern(char *pattern) -{ - char *p = pattern; - struct strbuf final = STRBUF_INIT; - - while (*p) { - if (is_glob_special(*p)) - strbuf_addch(&final, '\\'); - - strbuf_addch(&final, *p); - p++; - } - - return strbuf_detach(&final, NULL); -} - -static void write_cone_to_file(FILE *fp, struct pattern_list *pl) -{ - int i; - struct pattern_entry *pe; - struct hashmap_iter iter; - struct string_list sl = STRING_LIST_INIT_DUP; - struct strbuf parent_pattern = STRBUF_INIT; - - hashmap_for_each_entry(&pl->parent_hashmap, &iter, pe, ent) { - if (hashmap_get_entry(&pl->recursive_hashmap, pe, ent, NULL)) - continue; - - if (!hashmap_contains_parent(&pl->recursive_hashmap, - pe->pattern, - &parent_pattern)) - string_list_insert(&sl, pe->pattern); - } - - string_list_sort(&sl); - string_list_remove_duplicates(&sl, 0); - - fprintf(fp, "/*\n!/*/\n"); - - for (i = 0; i < sl.nr; i++) { - char *pattern = escaped_pattern(sl.items[i].string); - - if (strlen(pattern)) - fprintf(fp, "%s/\n!%s/*/\n", pattern, pattern); - free(pattern); - } - - string_list_clear(&sl, 0); - - hashmap_for_each_entry(&pl->recursive_hashmap, &iter, pe, ent) { - if (!hashmap_contains_parent(&pl->recursive_hashmap, - pe->pattern, - &parent_pattern)) - string_list_insert(&sl, pe->pattern); - } - - strbuf_release(&parent_pattern); - - string_list_sort(&sl); - string_list_remove_duplicates(&sl, 0); - - for (i = 0; i < sl.nr; i++) { - char *pattern = escaped_pattern(sl.items[i].string); - fprintf(fp, "%s/\n", pattern); - free(pattern); - } -} - -static int write_patterns_and_update(struct pattern_list *pl) -{ - char *sparse_filename; - FILE *fp; - int fd; - struct lock_file lk = LOCK_INIT; - int result; - - sparse_filename = get_sparse_checkout_filename(); - - if (safe_create_leading_directories(sparse_filename)) - die(_("failed to create directory for sparse-checkout file")); - - fd = hold_lock_file_for_update(&lk, sparse_filename, - LOCK_DIE_ON_ERROR); - - result = update_working_directory(pl); - if (result) { - rollback_lock_file(&lk); - free(sparse_filename); - clear_pattern_list(pl); - update_working_directory(NULL); - return result; - } - - fp = xfdopen(fd, "w"); - - if (core_sparse_checkout_cone) - write_cone_to_file(fp, pl); - else - write_patterns_to_file(fp, pl); - - fflush(fp); - commit_lock_file(&lk); - - free(sparse_filename); - clear_pattern_list(pl); - - return 0; -} - -enum sparse_checkout_mode { - MODE_NO_PATTERNS = 0, - MODE_ALL_PATTERNS = 1, - MODE_CONE_PATTERNS = 2, -}; - -static int set_config(enum sparse_checkout_mode mode) -{ - const char *config_path; - - if (git_config_set_gently("extensions.worktreeConfig", "true")) { - error(_("failed to set extensions.worktreeConfig setting")); - return 1; - } - - config_path = git_path("config.worktree"); - git_config_set_in_file_gently(config_path, - "core.sparseCheckout", - mode ? "true" : NULL); - - git_config_set_in_file_gently(config_path, - "core.sparseCheckoutCone", - mode == MODE_CONE_PATTERNS ? "true" : NULL); - - return 0; -} - -static char const * const builtin_sparse_checkout_init_usage[] = { - N_("git sparse-checkout init [--cone]"), - NULL -}; - -static struct sparse_checkout_init_opts { - int cone_mode; -} init_opts; - -static int sparse_checkout_init(int argc, const char **argv) -{ - struct pattern_list pl; - char *sparse_filename; - int res; - struct object_id oid; - int mode; - struct strbuf pattern = STRBUF_INIT; - - static struct option builtin_sparse_checkout_init_options[] = { - OPT_BOOL(0, "cone", &init_opts.cone_mode, - N_("initialize the sparse-checkout in cone mode")), - OPT_END(), - }; - - repo_read_index(the_repository); - require_clean_work_tree(the_repository, - N_("initialize sparse-checkout"), NULL, 1, 0); - - argc = parse_options(argc, argv, NULL, - builtin_sparse_checkout_init_options, - builtin_sparse_checkout_init_usage, 0); - - if (init_opts.cone_mode) { - mode = MODE_CONE_PATTERNS; - core_sparse_checkout_cone = 1; - } else - mode = MODE_ALL_PATTERNS; - - if (set_config(mode)) - return 1; - - memset(&pl, 0, sizeof(pl)); - - sparse_filename = get_sparse_checkout_filename(); - res = add_patterns_from_file_to_list(sparse_filename, "", 0, &pl, NULL); - - /* If we already have a sparse-checkout file, use it. */ - if (res >= 0) { - free(sparse_filename); - core_apply_sparse_checkout = 1; - return update_working_directory(NULL); - } - - if (get_oid("HEAD", &oid)) { - FILE *fp; - - /* assume we are in a fresh repo, but update the sparse-checkout file */ - fp = xfopen(sparse_filename, "w"); - if (!fp) - die(_("failed to open '%s'"), sparse_filename); - - free(sparse_filename); - fprintf(fp, "/*\n!/*/\n"); - fclose(fp); - return 0; - } - - strbuf_addstr(&pattern, "/*"); - add_pattern(strbuf_detach(&pattern, NULL), empty_base, 0, &pl, 0); - strbuf_addstr(&pattern, "!/*/"); - add_pattern(strbuf_detach(&pattern, NULL), empty_base, 0, &pl, 0); - - return write_patterns_and_update(&pl); -} - -static void insert_recursive_pattern(struct pattern_list *pl, struct strbuf *path) -{ - struct pattern_entry *e = xmalloc(sizeof(*e)); - e->patternlen = path->len; - e->pattern = strbuf_detach(path, NULL); - hashmap_entry_init(&e->ent, - ignore_case ? - strihash(e->pattern) : - strhash(e->pattern)); - - hashmap_add(&pl->recursive_hashmap, &e->ent); - - while (e->patternlen) { - char *slash = strrchr(e->pattern, '/'); - char *oldpattern = e->pattern; - size_t newlen; - - if (slash == e->pattern) - break; - - newlen = slash - e->pattern; - e = xmalloc(sizeof(struct pattern_entry)); - e->patternlen = newlen; - e->pattern = xstrndup(oldpattern, newlen); - hashmap_entry_init(&e->ent, - ignore_case ? - strihash(e->pattern) : - strhash(e->pattern)); - - if (!hashmap_get_entry(&pl->parent_hashmap, e, ent, NULL)) - hashmap_add(&pl->parent_hashmap, &e->ent); - } -} - -static void strbuf_to_cone_pattern(struct strbuf *line, struct pattern_list *pl) -{ - strbuf_trim(line); - - strbuf_trim_trailing_dir_sep(line); - - if (strbuf_normalize_path(line)) - die(_("could not normalize path %s"), line->buf); - - if (!line->len) - return; - - if (line->buf[0] != '/') - strbuf_insertstr(line, 0, "/"); - - insert_recursive_pattern(pl, line); -} - -static char const * const builtin_sparse_checkout_set_usage[] = { - N_("git sparse-checkout (set|add) (--stdin | <patterns>)"), - NULL -}; - -static struct sparse_checkout_set_opts { - int use_stdin; -} set_opts; - -static void add_patterns_from_input(struct pattern_list *pl, - int argc, const char **argv) -{ - int i; - if (core_sparse_checkout_cone) { - struct strbuf line = STRBUF_INIT; - - hashmap_init(&pl->recursive_hashmap, pl_hashmap_cmp, NULL, 0); - hashmap_init(&pl->parent_hashmap, pl_hashmap_cmp, NULL, 0); - pl->use_cone_patterns = 1; - - if (set_opts.use_stdin) { - struct strbuf unquoted = STRBUF_INIT; - while (!strbuf_getline(&line, stdin)) { - if (line.buf[0] == '"') { - strbuf_reset(&unquoted); - if (unquote_c_style(&unquoted, line.buf, NULL)) - die(_("unable to unquote C-style string '%s'"), - line.buf); - - strbuf_swap(&unquoted, &line); - } - - strbuf_to_cone_pattern(&line, pl); - } - - strbuf_release(&unquoted); - } else { - for (i = 0; i < argc; i++) { - strbuf_setlen(&line, 0); - strbuf_addstr(&line, argv[i]); - strbuf_to_cone_pattern(&line, pl); - } - } - } else { - if (set_opts.use_stdin) { - struct strbuf line = STRBUF_INIT; - - while (!strbuf_getline(&line, stdin)) { - size_t len; - char *buf = strbuf_detach(&line, &len); - add_pattern(buf, empty_base, 0, pl, 0); - } - } else { - for (i = 0; i < argc; i++) - add_pattern(argv[i], empty_base, 0, pl, 0); - } - } -} - -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; - int changed_config = 0; - struct pattern_list pl; - memset(&pl, 0, sizeof(pl)); - - 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); - core_apply_sparse_checkout = 1; - changed_config = 1; - } - - result = write_patterns_and_update(&pl); - - if (result && changed_config) - set_config(MODE_NO_PATTERNS); - - clear_pattern_list(&pl); - return result; -} - -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, - N_("read patterns from standard in")), - OPT_END(), - }; - - repo_read_index(the_repository); - require_clean_work_tree(the_repository, - N_("set sparse-checkout patterns"), NULL, 1, 0); - - argc = parse_options(argc, argv, prefix, - builtin_sparse_checkout_set_options, - builtin_sparse_checkout_set_usage, - PARSE_OPT_KEEP_UNKNOWN); - - return modify_pattern_list(argc, argv, m); -} - -static int sparse_checkout_disable(int argc, const char **argv) -{ - struct pattern_list pl; - struct strbuf match_all = STRBUF_INIT; - - repo_read_index(the_repository); - require_clean_work_tree(the_repository, - N_("disable sparse-checkout"), NULL, 1, 0); - - memset(&pl, 0, sizeof(pl)); - hashmap_init(&pl.recursive_hashmap, pl_hashmap_cmp, NULL, 0); - hashmap_init(&pl.parent_hashmap, pl_hashmap_cmp, NULL, 0); - pl.use_cone_patterns = 0; - core_apply_sparse_checkout = 1; - - strbuf_addstr(&match_all, "/*"); - add_pattern(strbuf_detach(&match_all, NULL), empty_base, 0, &pl, 0); - - if (update_working_directory(&pl)) - die(_("error while refreshing working directory")); - - clear_pattern_list(&pl); - return set_config(MODE_NO_PATTERNS); -} - -int cmd_sparse_checkout(int argc, const char **argv, const char *prefix) -{ - static struct option builtin_sparse_checkout_options[] = { - OPT_END(), - }; - - if (argc == 2 && !strcmp(argv[1], "-h")) - usage_with_options(builtin_sparse_checkout_usage, - builtin_sparse_checkout_options); - - argc = parse_options(argc, argv, prefix, - builtin_sparse_checkout_options, - builtin_sparse_checkout_usage, - PARSE_OPT_STOP_AT_NON_OPTION); - - git_config(git_default_config, NULL); - - if (argc > 0) { - if (!strcmp(argv[0], "list")) - return sparse_checkout_list(argc, argv); - if (!strcmp(argv[0], "init")) - return sparse_checkout_init(argc, argv); - if (!strcmp(argv[0], "set")) - 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); - } - - usage_with_options(builtin_sparse_checkout_usage, - builtin_sparse_checkout_options); -} |