664 lines
16 KiB
C
664 lines
16 KiB
C
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#include "builtin.h"
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#include "config.h"
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#include "dir.h"
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#include "parse-options.h"
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#include "pathspec.h"
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#include "repository.h"
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#include "run-command.h"
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#include "strbuf.h"
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#include "string-list.h"
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#include "cache.h"
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#include "cache-tree.h"
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#include "lockfile.h"
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#include "resolve-undo.h"
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#include "unpack-trees.h"
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#include "wt-status.h"
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#include "quote.h"
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static const char *empty_base = "";
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static char const * const builtin_sparse_checkout_usage[] = {
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N_("git sparse-checkout (init|list|set|add|reapply|disable) <options>"),
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NULL
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};
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static char *get_sparse_checkout_filename(void)
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{
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return git_pathdup("info/sparse-checkout");
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}
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static void write_patterns_to_file(FILE *fp, struct pattern_list *pl)
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{
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int i;
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for (i = 0; i < pl->nr; i++) {
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struct path_pattern *p = pl->patterns[i];
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if (p->flags & PATTERN_FLAG_NEGATIVE)
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fprintf(fp, "!");
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fprintf(fp, "%s", p->pattern);
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if (p->flags & PATTERN_FLAG_MUSTBEDIR)
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fprintf(fp, "/");
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fprintf(fp, "\n");
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}
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}
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static char const * const builtin_sparse_checkout_list_usage[] = {
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N_("git sparse-checkout list"),
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NULL
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};
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static int sparse_checkout_list(int argc, const char **argv)
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{
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static struct option builtin_sparse_checkout_list_options[] = {
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OPT_END(),
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};
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struct pattern_list pl;
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char *sparse_filename;
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int res;
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argc = parse_options(argc, argv, NULL,
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builtin_sparse_checkout_list_options,
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builtin_sparse_checkout_list_usage, 0);
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memset(&pl, 0, sizeof(pl));
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pl.use_cone_patterns = core_sparse_checkout_cone;
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sparse_filename = get_sparse_checkout_filename();
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res = add_patterns_from_file_to_list(sparse_filename, "", 0, &pl, NULL);
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free(sparse_filename);
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if (res < 0) {
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warning(_("this worktree is not sparse (sparse-checkout file may not exist)"));
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return 0;
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}
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if (pl.use_cone_patterns) {
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int i;
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struct pattern_entry *pe;
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struct hashmap_iter iter;
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struct string_list sl = STRING_LIST_INIT_DUP;
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hashmap_for_each_entry(&pl.recursive_hashmap, &iter, pe, ent) {
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/* pe->pattern starts with "/", skip it */
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string_list_insert(&sl, pe->pattern + 1);
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}
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string_list_sort(&sl);
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for (i = 0; i < sl.nr; i++) {
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quote_c_style(sl.items[i].string, NULL, stdout, 0);
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printf("\n");
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}
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return 0;
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}
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write_patterns_to_file(stdout, &pl);
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clear_pattern_list(&pl);
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return 0;
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}
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static int update_working_directory(struct pattern_list *pl)
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{
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enum update_sparsity_result result;
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struct unpack_trees_options o;
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struct lock_file lock_file = LOCK_INIT;
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struct repository *r = the_repository;
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/* If no branch has been checked out, there are no updates to make. */
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if (is_index_unborn(r->index))
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return UPDATE_SPARSITY_SUCCESS;
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memset(&o, 0, sizeof(o));
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o.verbose_update = isatty(2);
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o.update = 1;
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o.head_idx = -1;
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o.src_index = r->index;
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o.dst_index = r->index;
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o.skip_sparse_checkout = 0;
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o.pl = pl;
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setup_work_tree();
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repo_hold_locked_index(r, &lock_file, LOCK_DIE_ON_ERROR);
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setup_unpack_trees_porcelain(&o, "sparse-checkout");
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result = update_sparsity(&o);
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clear_unpack_trees_porcelain(&o);
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if (result == UPDATE_SPARSITY_WARNINGS)
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/*
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* We don't do any special handling of warnings from untracked
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* files in the way or dirty entries that can't be removed.
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*/
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result = UPDATE_SPARSITY_SUCCESS;
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if (result == UPDATE_SPARSITY_SUCCESS)
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write_locked_index(r->index, &lock_file, COMMIT_LOCK);
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else
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rollback_lock_file(&lock_file);
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return result;
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}
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static char *escaped_pattern(char *pattern)
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{
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char *p = pattern;
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struct strbuf final = STRBUF_INIT;
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while (*p) {
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if (is_glob_special(*p))
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strbuf_addch(&final, '\\');
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strbuf_addch(&final, *p);
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p++;
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}
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return strbuf_detach(&final, NULL);
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}
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static void write_cone_to_file(FILE *fp, struct pattern_list *pl)
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{
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int i;
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struct pattern_entry *pe;
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struct hashmap_iter iter;
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struct string_list sl = STRING_LIST_INIT_DUP;
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struct strbuf parent_pattern = STRBUF_INIT;
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hashmap_for_each_entry(&pl->parent_hashmap, &iter, pe, ent) {
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if (hashmap_get_entry(&pl->recursive_hashmap, pe, ent, NULL))
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continue;
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if (!hashmap_contains_parent(&pl->recursive_hashmap,
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pe->pattern,
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&parent_pattern))
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string_list_insert(&sl, pe->pattern);
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}
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string_list_sort(&sl);
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string_list_remove_duplicates(&sl, 0);
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fprintf(fp, "/*\n!/*/\n");
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for (i = 0; i < sl.nr; i++) {
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char *pattern = escaped_pattern(sl.items[i].string);
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if (strlen(pattern))
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fprintf(fp, "%s/\n!%s/*/\n", pattern, pattern);
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free(pattern);
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}
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string_list_clear(&sl, 0);
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hashmap_for_each_entry(&pl->recursive_hashmap, &iter, pe, ent) {
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if (!hashmap_contains_parent(&pl->recursive_hashmap,
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pe->pattern,
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&parent_pattern))
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string_list_insert(&sl, pe->pattern);
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}
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strbuf_release(&parent_pattern);
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string_list_sort(&sl);
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string_list_remove_duplicates(&sl, 0);
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for (i = 0; i < sl.nr; i++) {
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char *pattern = escaped_pattern(sl.items[i].string);
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fprintf(fp, "%s/\n", pattern);
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free(pattern);
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}
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}
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static int write_patterns_and_update(struct pattern_list *pl)
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{
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char *sparse_filename;
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FILE *fp;
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int fd;
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struct lock_file lk = LOCK_INIT;
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int result;
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sparse_filename = get_sparse_checkout_filename();
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if (safe_create_leading_directories(sparse_filename))
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die(_("failed to create directory for sparse-checkout file"));
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fd = hold_lock_file_for_update(&lk, sparse_filename,
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LOCK_DIE_ON_ERROR);
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result = update_working_directory(pl);
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if (result) {
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rollback_lock_file(&lk);
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free(sparse_filename);
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clear_pattern_list(pl);
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update_working_directory(NULL);
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return result;
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}
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fp = xfdopen(fd, "w");
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if (core_sparse_checkout_cone)
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write_cone_to_file(fp, pl);
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else
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write_patterns_to_file(fp, pl);
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fflush(fp);
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commit_lock_file(&lk);
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free(sparse_filename);
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clear_pattern_list(pl);
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return 0;
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}
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enum sparse_checkout_mode {
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MODE_NO_PATTERNS = 0,
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MODE_ALL_PATTERNS = 1,
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MODE_CONE_PATTERNS = 2,
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};
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static int set_config(enum sparse_checkout_mode mode)
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{
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const char *config_path;
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if (upgrade_repository_format(1) < 0)
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die(_("unable to upgrade repository format to enable worktreeConfig"));
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if (git_config_set_gently("extensions.worktreeConfig", "true")) {
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error(_("failed to set extensions.worktreeConfig setting"));
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return 1;
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}
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config_path = git_path("config.worktree");
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git_config_set_in_file_gently(config_path,
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"core.sparseCheckout",
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mode ? "true" : NULL);
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git_config_set_in_file_gently(config_path,
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"core.sparseCheckoutCone",
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mode == MODE_CONE_PATTERNS ? "true" : NULL);
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return 0;
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}
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static char const * const builtin_sparse_checkout_init_usage[] = {
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N_("git sparse-checkout init [--cone]"),
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NULL
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};
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static struct sparse_checkout_init_opts {
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int cone_mode;
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} init_opts;
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static int sparse_checkout_init(int argc, const char **argv)
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{
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struct pattern_list pl;
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char *sparse_filename;
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int res;
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struct object_id oid;
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int mode;
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struct strbuf pattern = STRBUF_INIT;
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static struct option builtin_sparse_checkout_init_options[] = {
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OPT_BOOL(0, "cone", &init_opts.cone_mode,
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N_("initialize the sparse-checkout in cone mode")),
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OPT_END(),
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};
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repo_read_index(the_repository);
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argc = parse_options(argc, argv, NULL,
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builtin_sparse_checkout_init_options,
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builtin_sparse_checkout_init_usage, 0);
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if (init_opts.cone_mode) {
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mode = MODE_CONE_PATTERNS;
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core_sparse_checkout_cone = 1;
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} else
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mode = MODE_ALL_PATTERNS;
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if (set_config(mode))
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return 1;
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memset(&pl, 0, sizeof(pl));
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sparse_filename = get_sparse_checkout_filename();
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res = add_patterns_from_file_to_list(sparse_filename, "", 0, &pl, NULL);
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/* If we already have a sparse-checkout file, use it. */
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if (res >= 0) {
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free(sparse_filename);
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core_apply_sparse_checkout = 1;
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return update_working_directory(NULL);
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}
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if (get_oid("HEAD", &oid)) {
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FILE *fp;
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/* assume we are in a fresh repo, but update the sparse-checkout file */
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fp = xfopen(sparse_filename, "w");
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if (!fp)
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die(_("failed to open '%s'"), sparse_filename);
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free(sparse_filename);
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fprintf(fp, "/*\n!/*/\n");
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fclose(fp);
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return 0;
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}
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strbuf_addstr(&pattern, "/*");
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add_pattern(strbuf_detach(&pattern, NULL), empty_base, 0, &pl, 0);
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strbuf_addstr(&pattern, "!/*/");
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add_pattern(strbuf_detach(&pattern, NULL), empty_base, 0, &pl, 0);
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return write_patterns_and_update(&pl);
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}
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static void insert_recursive_pattern(struct pattern_list *pl, struct strbuf *path)
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{
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struct pattern_entry *e = xmalloc(sizeof(*e));
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e->patternlen = path->len;
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e->pattern = strbuf_detach(path, NULL);
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hashmap_entry_init(&e->ent,
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ignore_case ?
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strihash(e->pattern) :
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strhash(e->pattern));
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hashmap_add(&pl->recursive_hashmap, &e->ent);
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while (e->patternlen) {
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char *slash = strrchr(e->pattern, '/');
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char *oldpattern = e->pattern;
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size_t newlen;
|
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if (slash == e->pattern)
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break;
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newlen = slash - e->pattern;
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e = xmalloc(sizeof(struct pattern_entry));
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e->patternlen = newlen;
|
||
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e->pattern = xstrndup(oldpattern, newlen);
|
||
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hashmap_entry_init(&e->ent,
|
||
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ignore_case ?
|
||
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strihash(e->pattern) :
|
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|
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strhash(e->pattern));
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||
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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);
|
||
|
|
|
||
|
|
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 char const * const builtin_sparse_checkout_reapply_usage[] = {
|
||
|
|
N_("git sparse-checkout reapply"),
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
static int sparse_checkout_reapply(int argc, const char **argv)
|
||
|
|
{
|
||
|
|
static struct option builtin_sparse_checkout_reapply_options[] = {
|
||
|
|
OPT_END(),
|
||
|
|
};
|
||
|
|
|
||
|
|
argc = parse_options(argc, argv, NULL,
|
||
|
|
builtin_sparse_checkout_reapply_options,
|
||
|
|
builtin_sparse_checkout_reapply_usage, 0);
|
||
|
|
|
||
|
|
repo_read_index(the_repository);
|
||
|
|
return update_working_directory(NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static char const * const builtin_sparse_checkout_disable_usage[] = {
|
||
|
|
N_("git sparse-checkout disable"),
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
static int sparse_checkout_disable(int argc, const char **argv)
|
||
|
|
{
|
||
|
|
static struct option builtin_sparse_checkout_disable_options[] = {
|
||
|
|
OPT_END(),
|
||
|
|
};
|
||
|
|
struct pattern_list pl;
|
||
|
|
struct strbuf match_all = STRBUF_INIT;
|
||
|
|
|
||
|
|
argc = parse_options(argc, argv, NULL,
|
||
|
|
builtin_sparse_checkout_disable_options,
|
||
|
|
builtin_sparse_checkout_disable_usage, 0);
|
||
|
|
|
||
|
|
repo_read_index(the_repository);
|
||
|
|
|
||
|
|
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], "reapply"))
|
||
|
|
return sparse_checkout_reapply(argc, argv);
|
||
|
|
if (!strcmp(argv[0], "disable"))
|
||
|
|
return sparse_checkout_disable(argc, argv);
|
||
|
|
}
|
||
|
|
|
||
|
|
usage_with_options(builtin_sparse_checkout_usage,
|
||
|
|
builtin_sparse_checkout_options);
|
||
|
|
}
|