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-rw-r--r--builtin/worktree.c1416
1 files changed, 1416 insertions, 0 deletions
diff --git a/builtin/worktree.c b/builtin/worktree.c
new file mode 100644
index 0000000..62b7e26
--- /dev/null
+++ b/builtin/worktree.c
@@ -0,0 +1,1416 @@
+#include "builtin.h"
+#include "abspath.h"
+#include "advice.h"
+#include "checkout.h"
+#include "config.h"
+#include "copy.h"
+#include "dir.h"
+#include "environment.h"
+#include "gettext.h"
+#include "hex.h"
+#include "object-file.h"
+#include "object-name.h"
+#include "parse-options.h"
+#include "path.h"
+#include "strvec.h"
+#include "branch.h"
+#include "read-cache-ll.h"
+#include "refs.h"
+#include "remote.h"
+#include "repository.h"
+#include "run-command.h"
+#include "hook.h"
+#include "sigchain.h"
+#include "submodule.h"
+#include "utf8.h"
+#include "worktree.h"
+#include "quote.h"
+
+#define BUILTIN_WORKTREE_ADD_USAGE \
+ N_("git worktree add [-f] [--detach] [--checkout] [--lock [--reason <string>]]\n" \
+ " [--orphan] [(-b | -B) <new-branch>] <path> [<commit-ish>]")
+
+#define BUILTIN_WORKTREE_LIST_USAGE \
+ N_("git worktree list [-v | --porcelain [-z]]")
+#define BUILTIN_WORKTREE_LOCK_USAGE \
+ N_("git worktree lock [--reason <string>] <worktree>")
+#define BUILTIN_WORKTREE_MOVE_USAGE \
+ N_("git worktree move <worktree> <new-path>")
+#define BUILTIN_WORKTREE_PRUNE_USAGE \
+ N_("git worktree prune [-n] [-v] [--expire <expire>]")
+#define BUILTIN_WORKTREE_REMOVE_USAGE \
+ N_("git worktree remove [-f] <worktree>")
+#define BUILTIN_WORKTREE_REPAIR_USAGE \
+ N_("git worktree repair [<path>...]")
+#define BUILTIN_WORKTREE_UNLOCK_USAGE \
+ N_("git worktree unlock <worktree>")
+
+#define WORKTREE_ADD_DWIM_ORPHAN_INFER_TEXT \
+ _("No possible source branch, inferring '--orphan'")
+
+#define WORKTREE_ADD_ORPHAN_WITH_DASH_B_HINT_TEXT \
+ _("If you meant to create a worktree containing a new orphan branch\n" \
+ "(branch with no commits) for this repository, you can do so\n" \
+ "using the --orphan flag:\n" \
+ "\n" \
+ " git worktree add --orphan -b %s %s\n")
+
+#define WORKTREE_ADD_ORPHAN_NO_DASH_B_HINT_TEXT \
+ _("If you meant to create a worktree containing a new orphan branch\n" \
+ "(branch with no commits) for this repository, you can do so\n" \
+ "using the --orphan flag:\n" \
+ "\n" \
+ " git worktree add --orphan %s\n")
+
+static const char * const git_worktree_usage[] = {
+ BUILTIN_WORKTREE_ADD_USAGE,
+ BUILTIN_WORKTREE_LIST_USAGE,
+ BUILTIN_WORKTREE_LOCK_USAGE,
+ BUILTIN_WORKTREE_MOVE_USAGE,
+ BUILTIN_WORKTREE_PRUNE_USAGE,
+ BUILTIN_WORKTREE_REMOVE_USAGE,
+ BUILTIN_WORKTREE_REPAIR_USAGE,
+ BUILTIN_WORKTREE_UNLOCK_USAGE,
+ NULL
+};
+
+static const char * const git_worktree_add_usage[] = {
+ BUILTIN_WORKTREE_ADD_USAGE,
+ NULL,
+};
+
+static const char * const git_worktree_list_usage[] = {
+ BUILTIN_WORKTREE_LIST_USAGE,
+ NULL
+};
+
+static const char * const git_worktree_lock_usage[] = {
+ BUILTIN_WORKTREE_LOCK_USAGE,
+ NULL
+};
+
+static const char * const git_worktree_move_usage[] = {
+ BUILTIN_WORKTREE_MOVE_USAGE,
+ NULL
+};
+
+static const char * const git_worktree_prune_usage[] = {
+ BUILTIN_WORKTREE_PRUNE_USAGE,
+ NULL
+};
+
+static const char * const git_worktree_remove_usage[] = {
+ BUILTIN_WORKTREE_REMOVE_USAGE,
+ NULL
+};
+
+static const char * const git_worktree_repair_usage[] = {
+ BUILTIN_WORKTREE_REPAIR_USAGE,
+ NULL
+};
+
+static const char * const git_worktree_unlock_usage[] = {
+ BUILTIN_WORKTREE_UNLOCK_USAGE,
+ NULL
+};
+
+struct add_opts {
+ int force;
+ int detach;
+ int quiet;
+ int checkout;
+ int orphan;
+ const char *keep_locked;
+};
+
+static int show_only;
+static int verbose;
+static int guess_remote;
+static timestamp_t expire;
+
+static int git_worktree_config(const char *var, const char *value,
+ const struct config_context *ctx, void *cb)
+{
+ if (!strcmp(var, "worktree.guessremote")) {
+ guess_remote = git_config_bool(var, value);
+ return 0;
+ }
+
+ return git_default_config(var, value, ctx, cb);
+}
+
+static int delete_git_dir(const char *id)
+{
+ struct strbuf sb = STRBUF_INIT;
+ int ret;
+
+ strbuf_addstr(&sb, git_common_path("worktrees/%s", id));
+ ret = remove_dir_recursively(&sb, 0);
+ if (ret < 0 && errno == ENOTDIR)
+ ret = unlink(sb.buf);
+ if (ret)
+ error_errno(_("failed to delete '%s'"), sb.buf);
+ strbuf_release(&sb);
+ return ret;
+}
+
+static void delete_worktrees_dir_if_empty(void)
+{
+ rmdir(git_path("worktrees")); /* ignore failed removal */
+}
+
+static void prune_worktree(const char *id, const char *reason)
+{
+ if (show_only || verbose)
+ fprintf_ln(stderr, _("Removing %s/%s: %s"), "worktrees", id, reason);
+ if (!show_only)
+ delete_git_dir(id);
+}
+
+static int prune_cmp(const void *a, const void *b)
+{
+ const struct string_list_item *x = a;
+ const struct string_list_item *y = b;
+ int c;
+
+ if ((c = fspathcmp(x->string, y->string)))
+ return c;
+ /*
+ * paths same; prune_dupes() removes all but the first worktree entry
+ * having the same path, so sort main worktree ('util' is NULL) above
+ * linked worktrees ('util' not NULL) since main worktree can't be
+ * removed
+ */
+ if (!x->util)
+ return -1;
+ if (!y->util)
+ return 1;
+ /* paths same; sort by .git/worktrees/<id> */
+ return strcmp(x->util, y->util);
+}
+
+static void prune_dups(struct string_list *l)
+{
+ int i;
+
+ QSORT(l->items, l->nr, prune_cmp);
+ for (i = 1; i < l->nr; i++) {
+ if (!fspathcmp(l->items[i].string, l->items[i - 1].string))
+ prune_worktree(l->items[i].util, "duplicate entry");
+ }
+}
+
+static void prune_worktrees(void)
+{
+ struct strbuf reason = STRBUF_INIT;
+ struct strbuf main_path = STRBUF_INIT;
+ struct string_list kept = STRING_LIST_INIT_DUP;
+ DIR *dir = opendir(git_path("worktrees"));
+ struct dirent *d;
+ if (!dir)
+ return;
+ while ((d = readdir_skip_dot_and_dotdot(dir)) != NULL) {
+ char *path;
+ strbuf_reset(&reason);
+ if (should_prune_worktree(d->d_name, &reason, &path, expire))
+ prune_worktree(d->d_name, reason.buf);
+ else if (path)
+ string_list_append_nodup(&kept, path)->util = xstrdup(d->d_name);
+ }
+ closedir(dir);
+
+ strbuf_add_absolute_path(&main_path, get_git_common_dir());
+ /* massage main worktree absolute path to match 'gitdir' content */
+ strbuf_strip_suffix(&main_path, "/.");
+ string_list_append_nodup(&kept, strbuf_detach(&main_path, NULL));
+ prune_dups(&kept);
+ string_list_clear(&kept, 1);
+
+ if (!show_only)
+ delete_worktrees_dir_if_empty();
+ strbuf_release(&reason);
+}
+
+static int prune(int ac, const char **av, const char *prefix)
+{
+ struct option options[] = {
+ OPT__DRY_RUN(&show_only, N_("do not remove, show only")),
+ OPT__VERBOSE(&verbose, N_("report pruned working trees")),
+ OPT_EXPIRY_DATE(0, "expire", &expire,
+ N_("expire working trees older than <time>")),
+ OPT_END()
+ };
+
+ expire = TIME_MAX;
+ ac = parse_options(ac, av, prefix, options, git_worktree_prune_usage,
+ 0);
+ if (ac)
+ usage_with_options(git_worktree_prune_usage, options);
+ prune_worktrees();
+ return 0;
+}
+
+static char *junk_work_tree;
+static char *junk_git_dir;
+static int is_junk;
+static pid_t junk_pid;
+
+static void remove_junk(void)
+{
+ struct strbuf sb = STRBUF_INIT;
+ if (!is_junk || getpid() != junk_pid)
+ return;
+ if (junk_git_dir) {
+ strbuf_addstr(&sb, junk_git_dir);
+ remove_dir_recursively(&sb, 0);
+ strbuf_reset(&sb);
+ }
+ if (junk_work_tree) {
+ strbuf_addstr(&sb, junk_work_tree);
+ remove_dir_recursively(&sb, 0);
+ }
+ strbuf_release(&sb);
+}
+
+static void remove_junk_on_signal(int signo)
+{
+ remove_junk();
+ sigchain_pop(signo);
+ raise(signo);
+}
+
+static const char *worktree_basename(const char *path, int *olen)
+{
+ const char *name;
+ int len;
+
+ len = strlen(path);
+ while (len && is_dir_sep(path[len - 1]))
+ len--;
+
+ for (name = path + len - 1; name > path; name--)
+ if (is_dir_sep(*name)) {
+ name++;
+ break;
+ }
+
+ *olen = len;
+ return name;
+}
+
+/* check that path is viable location for worktree */
+static void check_candidate_path(const char *path,
+ int force,
+ struct worktree **worktrees,
+ const char *cmd)
+{
+ struct worktree *wt;
+ int locked;
+
+ if (file_exists(path) && !is_empty_dir(path))
+ die(_("'%s' already exists"), path);
+
+ wt = find_worktree_by_path(worktrees, path);
+ if (!wt)
+ return;
+
+ locked = !!worktree_lock_reason(wt);
+ if ((!locked && force) || (locked && force > 1)) {
+ if (delete_git_dir(wt->id))
+ die(_("unusable worktree destination '%s'"), path);
+ return;
+ }
+
+ if (locked)
+ die(_("'%s' is a missing but locked worktree;\nuse '%s -f -f' to override, or 'unlock' and 'prune' or 'remove' to clear"), path, cmd);
+ else
+ die(_("'%s' is a missing but already registered worktree;\nuse '%s -f' to override, or 'prune' or 'remove' to clear"), path, cmd);
+}
+
+static void copy_sparse_checkout(const char *worktree_git_dir)
+{
+ char *from_file = git_pathdup("info/sparse-checkout");
+ char *to_file = xstrfmt("%s/info/sparse-checkout", worktree_git_dir);
+
+ if (file_exists(from_file)) {
+ if (safe_create_leading_directories(to_file) ||
+ copy_file(to_file, from_file, 0666))
+ error(_("failed to copy '%s' to '%s'; sparse-checkout may not work correctly"),
+ from_file, to_file);
+ }
+
+ free(from_file);
+ free(to_file);
+}
+
+static void copy_filtered_worktree_config(const char *worktree_git_dir)
+{
+ char *from_file = git_pathdup("config.worktree");
+ char *to_file = xstrfmt("%s/config.worktree", worktree_git_dir);
+
+ if (file_exists(from_file)) {
+ struct config_set cs = { { 0 } };
+ int bare;
+
+ if (safe_create_leading_directories(to_file) ||
+ copy_file(to_file, from_file, 0666)) {
+ error(_("failed to copy worktree config from '%s' to '%s'"),
+ from_file, to_file);
+ goto worktree_copy_cleanup;
+ }
+
+ git_configset_init(&cs);
+ git_configset_add_file(&cs, from_file);
+
+ if (!git_configset_get_bool(&cs, "core.bare", &bare) &&
+ bare &&
+ git_config_set_multivar_in_file_gently(
+ to_file, "core.bare", NULL, "true", 0))
+ error(_("failed to unset '%s' in '%s'"),
+ "core.bare", to_file);
+ if (!git_configset_get(&cs, "core.worktree") &&
+ git_config_set_in_file_gently(to_file,
+ "core.worktree", NULL))
+ error(_("failed to unset '%s' in '%s'"),
+ "core.worktree", to_file);
+
+ git_configset_clear(&cs);
+ }
+
+worktree_copy_cleanup:
+ free(from_file);
+ free(to_file);
+}
+
+static int checkout_worktree(const struct add_opts *opts,
+ struct strvec *child_env)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+ cp.git_cmd = 1;
+ strvec_pushl(&cp.args, "reset", "--hard", "--no-recurse-submodules", NULL);
+ if (opts->quiet)
+ strvec_push(&cp.args, "--quiet");
+ strvec_pushv(&cp.env, child_env->v);
+ return run_command(&cp);
+}
+
+static int make_worktree_orphan(const char * ref, const struct add_opts *opts,
+ struct strvec *child_env)
+{
+ struct strbuf symref = STRBUF_INIT;
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ validate_new_branchname(ref, &symref, 0);
+ strvec_pushl(&cp.args, "symbolic-ref", "HEAD", symref.buf, NULL);
+ if (opts->quiet)
+ strvec_push(&cp.args, "--quiet");
+ strvec_pushv(&cp.env, child_env->v);
+ strbuf_release(&symref);
+ cp.git_cmd = 1;
+ return run_command(&cp);
+}
+
+static int add_worktree(const char *path, const char *refname,
+ const struct add_opts *opts)
+{
+ struct strbuf sb_git = STRBUF_INIT, sb_repo = STRBUF_INIT;
+ struct strbuf sb = STRBUF_INIT, realpath = STRBUF_INIT;
+ const char *name;
+ struct child_process cp = CHILD_PROCESS_INIT;
+ struct strvec child_env = STRVEC_INIT;
+ unsigned int counter = 0;
+ int len, ret;
+ struct strbuf symref = STRBUF_INIT;
+ struct commit *commit = NULL;
+ int is_branch = 0;
+ struct strbuf sb_name = STRBUF_INIT;
+ struct worktree **worktrees;
+
+ worktrees = get_worktrees();
+ check_candidate_path(path, opts->force, worktrees, "add");
+ free_worktrees(worktrees);
+ worktrees = NULL;
+
+ /* is 'refname' a branch or commit? */
+ if (!opts->detach && !strbuf_check_branch_ref(&symref, refname) &&
+ ref_exists(symref.buf)) {
+ is_branch = 1;
+ if (!opts->force)
+ die_if_checked_out(symref.buf, 0);
+ }
+ commit = lookup_commit_reference_by_name(refname);
+ if (!commit && !opts->orphan)
+ die(_("invalid reference: %s"), refname);
+
+ name = worktree_basename(path, &len);
+ strbuf_add(&sb, name, path + len - name);
+ sanitize_refname_component(sb.buf, &sb_name);
+ if (!sb_name.len)
+ BUG("How come '%s' becomes empty after sanitization?", sb.buf);
+ strbuf_reset(&sb);
+ name = sb_name.buf;
+ git_path_buf(&sb_repo, "worktrees/%s", name);
+ len = sb_repo.len;
+ if (safe_create_leading_directories_const(sb_repo.buf))
+ die_errno(_("could not create leading directories of '%s'"),
+ sb_repo.buf);
+
+ while (mkdir(sb_repo.buf, 0777)) {
+ counter++;
+ if ((errno != EEXIST) || !counter /* overflow */)
+ die_errno(_("could not create directory of '%s'"),
+ sb_repo.buf);
+ strbuf_setlen(&sb_repo, len);
+ strbuf_addf(&sb_repo, "%d", counter);
+ }
+ name = strrchr(sb_repo.buf, '/') + 1;
+
+ junk_pid = getpid();
+ atexit(remove_junk);
+ sigchain_push_common(remove_junk_on_signal);
+
+ junk_git_dir = xstrdup(sb_repo.buf);
+ is_junk = 1;
+
+ /*
+ * lock the incomplete repo so prune won't delete it, unlock
+ * after the preparation is over.
+ */
+ strbuf_addf(&sb, "%s/locked", sb_repo.buf);
+ if (opts->keep_locked)
+ write_file(sb.buf, "%s", opts->keep_locked);
+ else
+ write_file(sb.buf, _("initializing"));
+
+ strbuf_addf(&sb_git, "%s/.git", path);
+ if (safe_create_leading_directories_const(sb_git.buf))
+ die_errno(_("could not create leading directories of '%s'"),
+ sb_git.buf);
+ junk_work_tree = xstrdup(path);
+
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "%s/gitdir", sb_repo.buf);
+ strbuf_realpath(&realpath, sb_git.buf, 1);
+ write_file(sb.buf, "%s", realpath.buf);
+ strbuf_realpath(&realpath, get_git_common_dir(), 1);
+ write_file(sb_git.buf, "gitdir: %s/worktrees/%s",
+ realpath.buf, name);
+ /*
+ * This is to keep resolve_ref() happy. We need a valid HEAD
+ * or is_git_directory() will reject the directory. Any value which
+ * looks like an object ID will do since it will be immediately
+ * replaced by the symbolic-ref or update-ref invocation in the new
+ * worktree.
+ */
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "%s/HEAD", sb_repo.buf);
+ write_file(sb.buf, "%s", oid_to_hex(null_oid()));
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "%s/commondir", sb_repo.buf);
+ write_file(sb.buf, "../..");
+
+ /*
+ * If the current worktree has sparse-checkout enabled, then copy
+ * the sparse-checkout patterns from the current worktree.
+ */
+ if (core_apply_sparse_checkout)
+ copy_sparse_checkout(sb_repo.buf);
+
+ /*
+ * If we are using worktree config, then copy all current config
+ * values from the current worktree into the new one, that way the
+ * new worktree behaves the same as this one.
+ */
+ if (the_repository->repository_format_worktree_config)
+ copy_filtered_worktree_config(sb_repo.buf);
+
+ strvec_pushf(&child_env, "%s=%s", GIT_DIR_ENVIRONMENT, sb_git.buf);
+ strvec_pushf(&child_env, "%s=%s", GIT_WORK_TREE_ENVIRONMENT, path);
+ cp.git_cmd = 1;
+
+ if (!is_branch && commit) {
+ strvec_pushl(&cp.args, "update-ref", "HEAD",
+ oid_to_hex(&commit->object.oid), NULL);
+ } else {
+ strvec_pushl(&cp.args, "symbolic-ref", "HEAD",
+ symref.buf, NULL);
+ if (opts->quiet)
+ strvec_push(&cp.args, "--quiet");
+ }
+
+ strvec_pushv(&cp.env, child_env.v);
+ ret = run_command(&cp);
+ if (ret)
+ goto done;
+
+ if (opts->orphan &&
+ (ret = make_worktree_orphan(refname, opts, &child_env)))
+ goto done;
+
+ if (opts->checkout &&
+ (ret = checkout_worktree(opts, &child_env)))
+ goto done;
+
+ is_junk = 0;
+ FREE_AND_NULL(junk_work_tree);
+ FREE_AND_NULL(junk_git_dir);
+
+done:
+ if (ret || !opts->keep_locked) {
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "%s/locked", sb_repo.buf);
+ unlink_or_warn(sb.buf);
+ }
+
+ /*
+ * Hook failure does not warrant worktree deletion, so run hook after
+ * is_junk is cleared, but do return appropriate code when hook fails.
+ */
+ if (!ret && opts->checkout && !opts->orphan) {
+ struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT;
+
+ strvec_pushl(&opt.env, "GIT_DIR", "GIT_WORK_TREE", NULL);
+ strvec_pushl(&opt.args,
+ oid_to_hex(null_oid()),
+ oid_to_hex(&commit->object.oid),
+ "1",
+ NULL);
+ opt.dir = path;
+
+ ret = run_hooks_opt("post-checkout", &opt);
+ }
+
+ strvec_clear(&child_env);
+ strbuf_release(&sb);
+ strbuf_release(&symref);
+ strbuf_release(&sb_repo);
+ strbuf_release(&sb_git);
+ strbuf_release(&sb_name);
+ strbuf_release(&realpath);
+ return ret;
+}
+
+static void print_preparing_worktree_line(int detach,
+ const char *branch,
+ const char *new_branch,
+ int force_new_branch)
+{
+ if (force_new_branch) {
+ struct commit *commit = lookup_commit_reference_by_name(new_branch);
+ if (!commit)
+ fprintf_ln(stderr, _("Preparing worktree (new branch '%s')"), new_branch);
+ else
+ fprintf_ln(stderr, _("Preparing worktree (resetting branch '%s'; was at %s)"),
+ new_branch,
+ repo_find_unique_abbrev(the_repository, &commit->object.oid, DEFAULT_ABBREV));
+ } else if (new_branch) {
+ fprintf_ln(stderr, _("Preparing worktree (new branch '%s')"), new_branch);
+ } else {
+ struct strbuf s = STRBUF_INIT;
+ if (!detach && !strbuf_check_branch_ref(&s, branch) &&
+ ref_exists(s.buf))
+ fprintf_ln(stderr, _("Preparing worktree (checking out '%s')"),
+ branch);
+ else {
+ struct commit *commit = lookup_commit_reference_by_name(branch);
+ if (!commit)
+ BUG(_("unreachable: invalid reference: %s"), branch);
+ fprintf_ln(stderr, _("Preparing worktree (detached HEAD %s)"),
+ repo_find_unique_abbrev(the_repository, &commit->object.oid, DEFAULT_ABBREV));
+ }
+ strbuf_release(&s);
+ }
+}
+
+/**
+ * Callback to short circuit iteration over refs on the first reference
+ * corresponding to a valid oid.
+ *
+ * Returns 0 on failure and non-zero on success.
+ */
+static int first_valid_ref(const char *refname UNUSED,
+ const struct object_id *oid UNUSED,
+ int flags UNUSED,
+ void *cb_data UNUSED)
+{
+ return 1;
+}
+
+/**
+ * Verifies HEAD and determines whether there exist any valid local references.
+ *
+ * - Checks whether HEAD points to a valid reference.
+ *
+ * - Checks whether any valid local branches exist.
+ *
+ * - Emits a warning if there exist any valid branches but HEAD does not point
+ * to a valid reference.
+ *
+ * Returns 1 if any of the previous checks are true, otherwise returns 0.
+ */
+static int can_use_local_refs(const struct add_opts *opts)
+{
+ if (head_ref(first_valid_ref, NULL)) {
+ return 1;
+ } else if (for_each_branch_ref(first_valid_ref, NULL)) {
+ if (!opts->quiet) {
+ struct strbuf path = STRBUF_INIT;
+ struct strbuf contents = STRBUF_INIT;
+
+ strbuf_add_real_path(&path, get_worktree_git_dir(NULL));
+ strbuf_addstr(&path, "/HEAD");
+ strbuf_read_file(&contents, path.buf, 64);
+ strbuf_stripspace(&contents, 0);
+ strbuf_strip_suffix(&contents, "\n");
+
+ warning(_("HEAD points to an invalid (or orphaned) reference.\n"
+ "HEAD path: '%s'\n"
+ "HEAD contents: '%s'"),
+ path.buf, contents.buf);
+ strbuf_release(&path);
+ strbuf_release(&contents);
+ }
+ return 1;
+ }
+ return 0;
+}
+
+/**
+ * Reports whether the necessary flags were set and whether the repository has
+ * remote references to attempt DWIM tracking of upstream branches.
+ *
+ * 1. Checks that `--guess-remote` was used or `worktree.guessRemote = true`.
+ *
+ * 2. Checks whether any valid remote branches exist.
+ *
+ * 3. Checks that there exists at least one remote and emits a warning/error
+ * if both checks 1. and 2. are false (can be bypassed with `--force`).
+ *
+ * Returns 1 if checks 1. and 2. are true, otherwise 0.
+ */
+static int can_use_remote_refs(const struct add_opts *opts)
+{
+ if (!guess_remote) {
+ return 0;
+ } else if (for_each_remote_ref(first_valid_ref, NULL)) {
+ return 1;
+ } else if (!opts->force && remote_get(NULL)) {
+ die(_("No local or remote refs exist despite at least one remote\n"
+ "present, stopping; use 'add -f' to override or fetch a remote first"));
+ }
+ return 0;
+}
+
+/**
+ * Determines whether `--orphan` should be inferred in the evaluation of
+ * `worktree add path/` or `worktree add -b branch path/` and emits an error
+ * if the supplied arguments would produce an illegal combination when the
+ * `--orphan` flag is included.
+ *
+ * `opts` and `opt_track` contain the other options & flags supplied to the
+ * command.
+ *
+ * remote determines whether to check `can_use_remote_refs()` or not. This
+ * is primarily to differentiate between the basic `add` DWIM and `add -b`.
+ *
+ * Returns 1 when inferring `--orphan`, 0 otherwise, and emits an error when
+ * `--orphan` is inferred but doing so produces an illegal combination of
+ * options and flags. Additionally produces an error when remote refs are
+ * checked and the repo is in a state that looks like the user added a remote
+ * but forgot to fetch (and did not override the warning with -f).
+ */
+static int dwim_orphan(const struct add_opts *opts, int opt_track, int remote)
+{
+ if (can_use_local_refs(opts)) {
+ return 0;
+ } else if (remote && can_use_remote_refs(opts)) {
+ return 0;
+ } else if (!opts->quiet) {
+ fprintf_ln(stderr, WORKTREE_ADD_DWIM_ORPHAN_INFER_TEXT);
+ }
+
+ if (opt_track) {
+ die(_("'%s' and '%s' cannot be used together"), "--orphan",
+ "--track");
+ } else if (!opts->checkout) {
+ die(_("'%s' and '%s' cannot be used together"), "--orphan",
+ "--no-checkout");
+ }
+ return 1;
+}
+
+static const char *dwim_branch(const char *path, const char **new_branch)
+{
+ int n;
+ int branch_exists;
+ const char *s = worktree_basename(path, &n);
+ const char *branchname = xstrndup(s, n);
+ struct strbuf ref = STRBUF_INIT;
+
+ UNLEAK(branchname);
+
+ branch_exists = !strbuf_check_branch_ref(&ref, branchname) &&
+ ref_exists(ref.buf);
+ strbuf_release(&ref);
+ if (branch_exists)
+ return branchname;
+
+ *new_branch = branchname;
+ if (guess_remote) {
+ struct object_id oid;
+ const char *remote =
+ unique_tracking_name(*new_branch, &oid, NULL);
+ return remote;
+ }
+ return NULL;
+}
+
+static int add(int ac, const char **av, const char *prefix)
+{
+ struct add_opts opts;
+ const char *new_branch_force = NULL;
+ char *path;
+ const char *branch;
+ const char *new_branch = NULL;
+ const char *opt_track = NULL;
+ const char *lock_reason = NULL;
+ int keep_locked = 0;
+ int used_new_branch_options;
+ struct option options[] = {
+ OPT__FORCE(&opts.force,
+ N_("checkout <branch> even if already checked out in other worktree"),
+ PARSE_OPT_NOCOMPLETE),
+ OPT_STRING('b', NULL, &new_branch, N_("branch"),
+ N_("create a new branch")),
+ OPT_STRING('B', NULL, &new_branch_force, N_("branch"),
+ N_("create or reset a branch")),
+ OPT_BOOL(0, "orphan", &opts.orphan, N_("create unborn/orphaned branch")),
+ OPT_BOOL('d', "detach", &opts.detach, N_("detach HEAD at named commit")),
+ OPT_BOOL(0, "checkout", &opts.checkout, N_("populate the new working tree")),
+ OPT_BOOL(0, "lock", &keep_locked, N_("keep the new working tree locked")),
+ OPT_STRING(0, "reason", &lock_reason, N_("string"),
+ N_("reason for locking")),
+ OPT__QUIET(&opts.quiet, N_("suppress progress reporting")),
+ OPT_PASSTHRU(0, "track", &opt_track, NULL,
+ N_("set up tracking mode (see git-branch(1))"),
+ PARSE_OPT_NOARG | PARSE_OPT_OPTARG),
+ OPT_BOOL(0, "guess-remote", &guess_remote,
+ N_("try to match the new branch name with a remote-tracking branch")),
+ OPT_END()
+ };
+ int ret;
+
+ memset(&opts, 0, sizeof(opts));
+ opts.checkout = 1;
+ ac = parse_options(ac, av, prefix, options, git_worktree_add_usage, 0);
+ if (!!opts.detach + !!new_branch + !!new_branch_force > 1)
+ die(_("options '%s', '%s', and '%s' cannot be used together"), "-b", "-B", "--detach");
+ if (opts.detach && opts.orphan)
+ die(_("options '%s', and '%s' cannot be used together"),
+ "--orphan", "--detach");
+ if (opts.orphan && opt_track)
+ die(_("'%s' and '%s' cannot be used together"), "--orphan", "--track");
+ if (opts.orphan && !opts.checkout)
+ die(_("'%s' and '%s' cannot be used together"), "--orphan",
+ "--no-checkout");
+ if (opts.orphan && ac == 2)
+ die(_("'%s' and '%s' cannot be used together"), "--orphan",
+ _("<commit-ish>"));
+ if (lock_reason && !keep_locked)
+ die(_("the option '%s' requires '%s'"), "--reason", "--lock");
+ if (lock_reason)
+ opts.keep_locked = lock_reason;
+ else if (keep_locked)
+ opts.keep_locked = _("added with --lock");
+
+ if (ac < 1 || ac > 2)
+ usage_with_options(git_worktree_add_usage, options);
+
+ path = prefix_filename(prefix, av[0]);
+ branch = ac < 2 ? "HEAD" : av[1];
+ used_new_branch_options = new_branch || new_branch_force;
+
+ if (!strcmp(branch, "-"))
+ branch = "@{-1}";
+
+ if (new_branch_force) {
+ struct strbuf symref = STRBUF_INIT;
+
+ new_branch = new_branch_force;
+
+ if (!opts.force &&
+ !strbuf_check_branch_ref(&symref, new_branch) &&
+ ref_exists(symref.buf))
+ die_if_checked_out(symref.buf, 0);
+ strbuf_release(&symref);
+ }
+
+ if (opts.orphan && !new_branch) {
+ int n;
+ const char *s = worktree_basename(path, &n);
+ new_branch = xstrndup(s, n);
+ } else if (opts.orphan) {
+ // No-op
+ } else if (opts.detach) {
+ // Check HEAD
+ if (!strcmp(branch, "HEAD"))
+ can_use_local_refs(&opts);
+ } else if (ac < 2 && new_branch) {
+ // DWIM: Infer --orphan when repo has no refs.
+ opts.orphan = dwim_orphan(&opts, !!opt_track, 0);
+ } else if (ac < 2) {
+ // DWIM: Guess branch name from path.
+ const char *s = dwim_branch(path, &new_branch);
+ if (s)
+ branch = s;
+
+ // DWIM: Infer --orphan when repo has no refs.
+ opts.orphan = (!s) && dwim_orphan(&opts, !!opt_track, 1);
+ } else if (ac == 2) {
+ struct object_id oid;
+ struct commit *commit;
+ const char *remote;
+
+ commit = lookup_commit_reference_by_name(branch);
+ if (!commit) {
+ remote = unique_tracking_name(branch, &oid, NULL);
+ if (remote) {
+ new_branch = branch;
+ branch = remote;
+ }
+ }
+
+ if (!strcmp(branch, "HEAD"))
+ can_use_local_refs(&opts);
+
+ }
+
+ if (!opts.orphan && !lookup_commit_reference_by_name(branch)) {
+ int attempt_hint = !opts.quiet && (ac < 2);
+ if (attempt_hint && used_new_branch_options) {
+ advise_if_enabled(ADVICE_WORKTREE_ADD_ORPHAN,
+ WORKTREE_ADD_ORPHAN_WITH_DASH_B_HINT_TEXT,
+ new_branch, path);
+ } else if (attempt_hint) {
+ advise_if_enabled(ADVICE_WORKTREE_ADD_ORPHAN,
+ WORKTREE_ADD_ORPHAN_NO_DASH_B_HINT_TEXT, path);
+ }
+ die(_("invalid reference: %s"), branch);
+ }
+
+ if (!opts.quiet)
+ print_preparing_worktree_line(opts.detach, branch, new_branch, !!new_branch_force);
+
+ if (opts.orphan) {
+ branch = new_branch;
+ } else if (new_branch) {
+ struct child_process cp = CHILD_PROCESS_INIT;
+ cp.git_cmd = 1;
+ strvec_push(&cp.args, "branch");
+ if (new_branch_force)
+ strvec_push(&cp.args, "--force");
+ if (opts.quiet)
+ strvec_push(&cp.args, "--quiet");
+ strvec_push(&cp.args, new_branch);
+ strvec_push(&cp.args, branch);
+ if (opt_track)
+ strvec_push(&cp.args, opt_track);
+ if (run_command(&cp))
+ return -1;
+ branch = new_branch;
+ } else if (opt_track) {
+ die(_("--[no-]track can only be used if a new branch is created"));
+ }
+
+ ret = add_worktree(path, branch, &opts);
+ free(path);
+ return ret;
+}
+
+static void show_worktree_porcelain(struct worktree *wt, int line_terminator)
+{
+ const char *reason;
+
+ printf("worktree %s%c", wt->path, line_terminator);
+ if (wt->is_bare)
+ printf("bare%c", line_terminator);
+ else {
+ printf("HEAD %s%c", oid_to_hex(&wt->head_oid), line_terminator);
+ if (wt->is_detached)
+ printf("detached%c", line_terminator);
+ else if (wt->head_ref)
+ printf("branch %s%c", wt->head_ref, line_terminator);
+ }
+
+ reason = worktree_lock_reason(wt);
+ if (reason) {
+ fputs("locked", stdout);
+ if (*reason) {
+ fputc(' ', stdout);
+ write_name_quoted(reason, stdout, line_terminator);
+ } else {
+ fputc(line_terminator, stdout);
+ }
+ }
+
+ reason = worktree_prune_reason(wt, expire);
+ if (reason)
+ printf("prunable %s%c", reason, line_terminator);
+
+ fputc(line_terminator, stdout);
+}
+
+static void show_worktree(struct worktree *wt, int path_maxlen, int abbrev_len)
+{
+ struct strbuf sb = STRBUF_INIT;
+ int cur_path_len = strlen(wt->path);
+ int path_adj = cur_path_len - utf8_strwidth(wt->path);
+ const char *reason;
+
+ strbuf_addf(&sb, "%-*s ", 1 + path_maxlen + path_adj, wt->path);
+ if (wt->is_bare)
+ strbuf_addstr(&sb, "(bare)");
+ else {
+ strbuf_addf(&sb, "%-*s ", abbrev_len,
+ repo_find_unique_abbrev(the_repository, &wt->head_oid, DEFAULT_ABBREV));
+ if (wt->is_detached)
+ strbuf_addstr(&sb, "(detached HEAD)");
+ else if (wt->head_ref) {
+ char *ref = shorten_unambiguous_ref(wt->head_ref, 0);
+ strbuf_addf(&sb, "[%s]", ref);
+ free(ref);
+ } else
+ strbuf_addstr(&sb, "(error)");
+ }
+
+ reason = worktree_lock_reason(wt);
+ if (verbose && reason && *reason)
+ strbuf_addf(&sb, "\n\tlocked: %s", reason);
+ else if (reason)
+ strbuf_addstr(&sb, " locked");
+
+ reason = worktree_prune_reason(wt, expire);
+ if (verbose && reason)
+ strbuf_addf(&sb, "\n\tprunable: %s", reason);
+ else if (reason)
+ strbuf_addstr(&sb, " prunable");
+
+ printf("%s\n", sb.buf);
+ strbuf_release(&sb);
+}
+
+static void measure_widths(struct worktree **wt, int *abbrev, int *maxlen)
+{
+ int i;
+
+ for (i = 0; wt[i]; i++) {
+ int sha1_len;
+ int path_len = strlen(wt[i]->path);
+
+ if (path_len > *maxlen)
+ *maxlen = path_len;
+ sha1_len = strlen(repo_find_unique_abbrev(the_repository, &wt[i]->head_oid, *abbrev));
+ if (sha1_len > *abbrev)
+ *abbrev = sha1_len;
+ }
+}
+
+static int pathcmp(const void *a_, const void *b_)
+{
+ const struct worktree *const *a = a_;
+ const struct worktree *const *b = b_;
+ return fspathcmp((*a)->path, (*b)->path);
+}
+
+static void pathsort(struct worktree **wt)
+{
+ int n = 0;
+ struct worktree **p = wt;
+
+ while (*p++)
+ n++;
+ QSORT(wt, n, pathcmp);
+}
+
+static int list(int ac, const char **av, const char *prefix)
+{
+ int porcelain = 0;
+ int line_terminator = '\n';
+
+ struct option options[] = {
+ OPT_BOOL(0, "porcelain", &porcelain, N_("machine-readable output")),
+ OPT__VERBOSE(&verbose, N_("show extended annotations and reasons, if available")),
+ OPT_EXPIRY_DATE(0, "expire", &expire,
+ N_("add 'prunable' annotation to worktrees older than <time>")),
+ OPT_SET_INT('z', NULL, &line_terminator,
+ N_("terminate records with a NUL character"), '\0'),
+ OPT_END()
+ };
+
+ expire = TIME_MAX;
+ ac = parse_options(ac, av, prefix, options, git_worktree_list_usage, 0);
+ if (ac)
+ usage_with_options(git_worktree_list_usage, options);
+ else if (verbose && porcelain)
+ die(_("options '%s' and '%s' cannot be used together"), "--verbose", "--porcelain");
+ else if (!line_terminator && !porcelain)
+ die(_("the option '%s' requires '%s'"), "-z", "--porcelain");
+ else {
+ struct worktree **worktrees = get_worktrees();
+ int path_maxlen = 0, abbrev = DEFAULT_ABBREV, i;
+
+ /* sort worktrees by path but keep main worktree at top */
+ pathsort(worktrees + 1);
+
+ if (!porcelain)
+ measure_widths(worktrees, &abbrev, &path_maxlen);
+
+ for (i = 0; worktrees[i]; i++) {
+ if (porcelain)
+ show_worktree_porcelain(worktrees[i],
+ line_terminator);
+ else
+ show_worktree(worktrees[i], path_maxlen, abbrev);
+ }
+ free_worktrees(worktrees);
+ }
+ return 0;
+}
+
+static int lock_worktree(int ac, const char **av, const char *prefix)
+{
+ const char *reason = "", *old_reason;
+ struct option options[] = {
+ OPT_STRING(0, "reason", &reason, N_("string"),
+ N_("reason for locking")),
+ OPT_END()
+ };
+ struct worktree **worktrees, *wt;
+
+ ac = parse_options(ac, av, prefix, options, git_worktree_lock_usage, 0);
+ if (ac != 1)
+ usage_with_options(git_worktree_lock_usage, options);
+
+ worktrees = get_worktrees();
+ wt = find_worktree(worktrees, prefix, av[0]);
+ if (!wt)
+ die(_("'%s' is not a working tree"), av[0]);
+ if (is_main_worktree(wt))
+ die(_("The main working tree cannot be locked or unlocked"));
+
+ old_reason = worktree_lock_reason(wt);
+ if (old_reason) {
+ if (*old_reason)
+ die(_("'%s' is already locked, reason: %s"),
+ av[0], old_reason);
+ die(_("'%s' is already locked"), av[0]);
+ }
+
+ write_file(git_common_path("worktrees/%s/locked", wt->id),
+ "%s", reason);
+ free_worktrees(worktrees);
+ return 0;
+}
+
+static int unlock_worktree(int ac, const char **av, const char *prefix)
+{
+ struct option options[] = {
+ OPT_END()
+ };
+ struct worktree **worktrees, *wt;
+ int ret;
+
+ ac = parse_options(ac, av, prefix, options, git_worktree_unlock_usage, 0);
+ if (ac != 1)
+ usage_with_options(git_worktree_unlock_usage, options);
+
+ worktrees = get_worktrees();
+ wt = find_worktree(worktrees, prefix, av[0]);
+ if (!wt)
+ die(_("'%s' is not a working tree"), av[0]);
+ if (is_main_worktree(wt))
+ die(_("The main working tree cannot be locked or unlocked"));
+ if (!worktree_lock_reason(wt))
+ die(_("'%s' is not locked"), av[0]);
+ ret = unlink_or_warn(git_common_path("worktrees/%s/locked", wt->id));
+ free_worktrees(worktrees);
+ return ret;
+}
+
+static void validate_no_submodules(const struct worktree *wt)
+{
+ struct index_state istate = INDEX_STATE_INIT(the_repository);
+ struct strbuf path = STRBUF_INIT;
+ int i, found_submodules = 0;
+
+ if (is_directory(worktree_git_path(wt, "modules"))) {
+ /*
+ * There could be false positives, e.g. the "modules"
+ * directory exists but is empty. But it's a rare case and
+ * this simpler check is probably good enough for now.
+ */
+ found_submodules = 1;
+ } else if (read_index_from(&istate, worktree_git_path(wt, "index"),
+ get_worktree_git_dir(wt)) > 0) {
+ for (i = 0; i < istate.cache_nr; i++) {
+ struct cache_entry *ce = istate.cache[i];
+ int err;
+
+ if (!S_ISGITLINK(ce->ce_mode))
+ continue;
+
+ strbuf_reset(&path);
+ strbuf_addf(&path, "%s/%s", wt->path, ce->name);
+ if (!is_submodule_populated_gently(path.buf, &err))
+ continue;
+
+ found_submodules = 1;
+ break;
+ }
+ }
+ discard_index(&istate);
+ strbuf_release(&path);
+
+ if (found_submodules)
+ die(_("working trees containing submodules cannot be moved or removed"));
+}
+
+static int move_worktree(int ac, const char **av, const char *prefix)
+{
+ int force = 0;
+ struct option options[] = {
+ OPT__FORCE(&force,
+ N_("force move even if worktree is dirty or locked"),
+ PARSE_OPT_NOCOMPLETE),
+ OPT_END()
+ };
+ struct worktree **worktrees, *wt;
+ struct strbuf dst = STRBUF_INIT;
+ struct strbuf errmsg = STRBUF_INIT;
+ const char *reason = NULL;
+ char *path;
+
+ ac = parse_options(ac, av, prefix, options, git_worktree_move_usage,
+ 0);
+ if (ac != 2)
+ usage_with_options(git_worktree_move_usage, options);
+
+ path = prefix_filename(prefix, av[1]);
+ strbuf_addstr(&dst, path);
+ free(path);
+
+ worktrees = get_worktrees();
+ wt = find_worktree(worktrees, prefix, av[0]);
+ if (!wt)
+ die(_("'%s' is not a working tree"), av[0]);
+ if (is_main_worktree(wt))
+ die(_("'%s' is a main working tree"), av[0]);
+ if (is_directory(dst.buf)) {
+ const char *sep = find_last_dir_sep(wt->path);
+
+ if (!sep)
+ die(_("could not figure out destination name from '%s'"),
+ wt->path);
+ strbuf_trim_trailing_dir_sep(&dst);
+ strbuf_addstr(&dst, sep);
+ }
+ check_candidate_path(dst.buf, force, worktrees, "move");
+
+ validate_no_submodules(wt);
+
+ if (force < 2)
+ reason = worktree_lock_reason(wt);
+ if (reason) {
+ if (*reason)
+ die(_("cannot move a locked working tree, lock reason: %s\nuse 'move -f -f' to override or unlock first"),
+ reason);
+ die(_("cannot move a locked working tree;\nuse 'move -f -f' to override or unlock first"));
+ }
+ if (validate_worktree(wt, &errmsg, 0))
+ die(_("validation failed, cannot move working tree: %s"),
+ errmsg.buf);
+ strbuf_release(&errmsg);
+
+ if (rename(wt->path, dst.buf) == -1)
+ die_errno(_("failed to move '%s' to '%s'"), wt->path, dst.buf);
+
+ update_worktree_location(wt, dst.buf);
+
+ strbuf_release(&dst);
+ free_worktrees(worktrees);
+ return 0;
+}
+
+/*
+ * Note, "git status --porcelain" is used to determine if it's safe to
+ * delete a whole worktree. "git status" does not ignore user
+ * configuration, so if a normal "git status" shows "clean" for the
+ * user, then it's ok to remove it.
+ *
+ * This assumption may be a bad one. We may want to ignore
+ * (potentially bad) user settings and only delete a worktree when
+ * it's absolutely safe to do so from _our_ point of view because we
+ * know better.
+ */
+static void check_clean_worktree(struct worktree *wt,
+ const char *original_path)
+{
+ struct child_process cp;
+ char buf[1];
+ int ret;
+
+ /*
+ * Until we sort this out, all submodules are "dirty" and
+ * will abort this function.
+ */
+ validate_no_submodules(wt);
+
+ child_process_init(&cp);
+ strvec_pushf(&cp.env, "%s=%s/.git",
+ GIT_DIR_ENVIRONMENT, wt->path);
+ strvec_pushf(&cp.env, "%s=%s",
+ GIT_WORK_TREE_ENVIRONMENT, wt->path);
+ strvec_pushl(&cp.args, "status",
+ "--porcelain", "--ignore-submodules=none",
+ NULL);
+ cp.git_cmd = 1;
+ cp.dir = wt->path;
+ cp.out = -1;
+ ret = start_command(&cp);
+ if (ret)
+ die_errno(_("failed to run 'git status' on '%s'"),
+ original_path);
+ ret = xread(cp.out, buf, sizeof(buf));
+ if (ret)
+ die(_("'%s' contains modified or untracked files, use --force to delete it"),
+ original_path);
+ close(cp.out);
+ ret = finish_command(&cp);
+ if (ret)
+ die_errno(_("failed to run 'git status' on '%s', code %d"),
+ original_path, ret);
+}
+
+static int delete_git_work_tree(struct worktree *wt)
+{
+ struct strbuf sb = STRBUF_INIT;
+ int ret = 0;
+
+ strbuf_addstr(&sb, wt->path);
+ if (remove_dir_recursively(&sb, 0)) {
+ error_errno(_("failed to delete '%s'"), sb.buf);
+ ret = -1;
+ }
+ strbuf_release(&sb);
+ return ret;
+}
+
+static int remove_worktree(int ac, const char **av, const char *prefix)
+{
+ int force = 0;
+ struct option options[] = {
+ OPT__FORCE(&force,
+ N_("force removal even if worktree is dirty or locked"),
+ PARSE_OPT_NOCOMPLETE),
+ OPT_END()
+ };
+ struct worktree **worktrees, *wt;
+ struct strbuf errmsg = STRBUF_INIT;
+ const char *reason = NULL;
+ int ret = 0;
+
+ ac = parse_options(ac, av, prefix, options, git_worktree_remove_usage, 0);
+ if (ac != 1)
+ usage_with_options(git_worktree_remove_usage, options);
+
+ worktrees = get_worktrees();
+ wt = find_worktree(worktrees, prefix, av[0]);
+ if (!wt)
+ die(_("'%s' is not a working tree"), av[0]);
+ if (is_main_worktree(wt))
+ die(_("'%s' is a main working tree"), av[0]);
+ if (force < 2)
+ reason = worktree_lock_reason(wt);
+ if (reason) {
+ if (*reason)
+ die(_("cannot remove a locked working tree, lock reason: %s\nuse 'remove -f -f' to override or unlock first"),
+ reason);
+ die(_("cannot remove a locked working tree;\nuse 'remove -f -f' to override or unlock first"));
+ }
+ if (validate_worktree(wt, &errmsg, WT_VALIDATE_WORKTREE_MISSING_OK))
+ die(_("validation failed, cannot remove working tree: %s"),
+ errmsg.buf);
+ strbuf_release(&errmsg);
+
+ if (file_exists(wt->path)) {
+ if (!force)
+ check_clean_worktree(wt, av[0]);
+
+ ret |= delete_git_work_tree(wt);
+ }
+ /*
+ * continue on even if ret is non-zero, there's no going back
+ * from here.
+ */
+ ret |= delete_git_dir(wt->id);
+ delete_worktrees_dir_if_empty();
+
+ free_worktrees(worktrees);
+ return ret;
+}
+
+static void report_repair(int iserr, const char *path, const char *msg, void *cb_data)
+{
+ if (!iserr) {
+ fprintf_ln(stderr, _("repair: %s: %s"), msg, path);
+ } else {
+ int *exit_status = (int *)cb_data;
+ fprintf_ln(stderr, _("error: %s: %s"), msg, path);
+ *exit_status = 1;
+ }
+}
+
+static int repair(int ac, const char **av, const char *prefix)
+{
+ const char **p;
+ const char *self[] = { ".", NULL };
+ struct option options[] = {
+ OPT_END()
+ };
+ int rc = 0;
+
+ ac = parse_options(ac, av, prefix, options, git_worktree_repair_usage, 0);
+ p = ac > 0 ? av : self;
+ for (; *p; p++)
+ repair_worktree_at_path(*p, report_repair, &rc);
+ repair_worktrees(report_repair, &rc);
+ return rc;
+}
+
+int cmd_worktree(int ac, const char **av, const char *prefix)
+{
+ parse_opt_subcommand_fn *fn = NULL;
+ struct option options[] = {
+ OPT_SUBCOMMAND("add", &fn, add),
+ OPT_SUBCOMMAND("prune", &fn, prune),
+ OPT_SUBCOMMAND("list", &fn, list),
+ OPT_SUBCOMMAND("lock", &fn, lock_worktree),
+ OPT_SUBCOMMAND("unlock", &fn, unlock_worktree),
+ OPT_SUBCOMMAND("move", &fn, move_worktree),
+ OPT_SUBCOMMAND("remove", &fn, remove_worktree),
+ OPT_SUBCOMMAND("repair", &fn, repair),
+ OPT_END()
+ };
+
+ git_config(git_worktree_config, NULL);
+
+ if (!prefix)
+ prefix = "";
+
+ ac = parse_options(ac, av, prefix, options, git_worktree_usage, 0);
+
+ prepare_repo_settings(the_repository);
+ the_repository->settings.command_requires_full_index = 0;
+
+ return fn(ac, av, prefix);
+}