http: when using Secure Channel, ignore sslCAInfo by default
[gitweb.git] / builtin / worktree.c
index 9efdc224661b02192d06c6877e49c5585ddbcdca..41e7714396dc3334bcb29f2454d210d63a649243 100644 (file)
@@ -17,7 +17,9 @@ static const char * const worktree_usage[] = {
        N_("git worktree add [<options>] <path> [<commit-ish>]"),
        N_("git worktree list [<options>]"),
        N_("git worktree lock [<options>] <path>"),
+       N_("git worktree move <worktree> <new-path>"),
        N_("git worktree prune [<options>]"),
+       N_("git worktree remove [<options>] <worktree>"),
        N_("git worktree unlock <path>"),
        NULL
 };
@@ -25,10 +27,9 @@ static const char * const worktree_usage[] = {
 struct add_opts {
        int force;
        int detach;
+       int quiet;
        int checkout;
        int keep_locked;
-       const char *new_branch;
-       int force_new_branch;
 };
 
 static int show_only;
@@ -99,16 +100,9 @@ static int prune_worktree(const char *id, struct strbuf *reason)
        }
        path[len] = '\0';
        if (!file_exists(path)) {
-               struct stat st_link;
                free(path);
-               /*
-                * the repo is moved manually and has not been
-                * accessed since?
-                */
-               if (!stat(git_path("worktrees/%s/link", id), &st_link) &&
-                   st_link.st_nlink > 1)
-                       return 0;
-               if (st.st_mtime <= expire) {
+               if (stat(git_path("worktrees/%s/index", id), &st) ||
+                   st.st_mtime <= expire) {
                        strbuf_addf(reason, _("Removing worktrees/%s: gitdir file points to non-existent location"), id);
                        return 1;
                } else {
@@ -303,8 +297,6 @@ static int add_worktree(const char *path, const char *refname,
        strbuf_addf(&sb, "%s/commondir", sb_repo.buf);
        write_file(sb.buf, "../..");
 
-       fprintf_ln(stderr, _("Preparing %s (identifier %s)"), path, name);
-
        argv_array_pushf(&child_env, "%s=%s", GIT_DIR_ENVIRONMENT, sb_git.buf);
        argv_array_pushf(&child_env, "%s=%s", GIT_WORK_TREE_ENVIRONMENT, path);
        cp.git_cmd = 1;
@@ -312,9 +304,13 @@ static int add_worktree(const char *path, const char *refname,
        if (!is_branch)
                argv_array_pushl(&cp.args, "update-ref", "HEAD",
                                 oid_to_hex(&commit->object.oid), NULL);
-       else
+       else {
                argv_array_pushl(&cp.args, "symbolic-ref", "HEAD",
                                 symref.buf, NULL);
+               if (opts->quiet)
+                       argv_array_push(&cp.args, "--quiet");
+       }
+
        cp.env = child_env.argv;
        ret = run_command(&cp);
        if (ret)
@@ -324,6 +320,8 @@ static int add_worktree(const char *path, const char *refname,
                cp.argv = NULL;
                argv_array_clear(&cp.args);
                argv_array_pushl(&cp.args, "reset", "--hard", NULL);
+               if (opts->quiet)
+                       argv_array_push(&cp.args, "--quiet");
                cp.env = child_env.argv;
                ret = run_command(&cp);
                if (ret)
@@ -345,9 +343,23 @@ static int add_worktree(const char *path, const char *refname,
         * 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)
-               ret = run_hook_le(NULL, "post-checkout", oid_to_hex(&null_oid),
-                                 oid_to_hex(&commit->object.oid), "1", NULL);
+       if (!ret && opts->checkout) {
+               const char *hook = find_hook("post-checkout");
+               if (hook) {
+                       const char *env[] = { "GIT_DIR", "GIT_WORK_TREE", NULL };
+                       cp.git_cmd = 0;
+                       cp.no_stdin = 1;
+                       cp.stdout_to_stderr = 1;
+                       cp.dir = path;
+                       cp.env = env;
+                       cp.argv = NULL;
+                       argv_array_pushl(&cp.args, absolute_path(hook),
+                                        oid_to_hex(&null_oid),
+                                        oid_to_hex(&commit->object.oid),
+                                        "1", NULL);
+                       ret = run_command(&cp);
+               }
+       }
 
        argv_array_clear(&child_env);
        strbuf_release(&sb);
@@ -357,22 +369,82 @@ static int add_worktree(const char *path, const char *refname,
        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)
+                       printf_ln(_("Preparing worktree (new branch '%s')"), new_branch);
+               else
+                       printf_ln(_("Preparing worktree (resetting branch '%s'; was at %s)"),
+                                 new_branch,
+                                 find_unique_abbrev(&commit->object.oid, DEFAULT_ABBREV));
+       } else if (new_branch) {
+               printf_ln(_("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))
+                       printf_ln(_("Preparing worktree (checking out '%s')"),
+                                 branch);
+               else {
+                       struct commit *commit = lookup_commit_reference_by_name(branch);
+                       if (!commit)
+                               die(_("invalid reference: %s"), branch);
+                       printf_ln(_("Preparing worktree (detached HEAD %s)"),
+                                 find_unique_abbrev(&commit->object.oid, DEFAULT_ABBREV));
+               }
+               strbuf_release(&s);
+       }
+}
+
+static const char *dwim_branch(const char *path, const char **new_branch)
+{
+       int n;
+       const char *s = worktree_basename(path, &n);
+       const char *branchname = xstrndup(s, n);
+       struct strbuf ref = STRBUF_INIT;
+
+       UNLEAK(branchname);
+       if (!strbuf_check_branch_ref(&ref, branchname) &&
+           ref_exists(ref.buf)) {
+               strbuf_release(&ref);
+               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;
        struct option options[] = {
-               OPT__FORCE(&opts.force, N_("checkout <branch> even if already checked out in other worktree")),
-               OPT_STRING('b', NULL, &opts.new_branch, N_("branch"),
+               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, "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", &opts.keep_locked, N_("keep the new working tree locked")),
+               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),
@@ -384,7 +456,7 @@ static int add(int ac, const char **av, const char *prefix)
        memset(&opts, 0, sizeof(opts));
        opts.checkout = 1;
        ac = parse_options(ac, av, prefix, options, worktree_usage, 0);
-       if (!!opts.detach + !!opts.new_branch + !!new_branch_force > 1)
+       if (!!opts.detach + !!new_branch + !!new_branch_force > 1)
                die(_("-b, -B, and --detach are mutually exclusive"));
        if (ac < 1 || ac > 2)
                usage_with_options(worktree_usage, options);
@@ -395,60 +467,56 @@ static int add(int ac, const char **av, const char *prefix)
        if (!strcmp(branch, "-"))
                branch = "@{-1}";
 
-       opts.force_new_branch = !!new_branch_force;
-       if (opts.force_new_branch) {
+       if (new_branch_force) {
                struct strbuf symref = STRBUF_INIT;
 
-               opts.new_branch = new_branch_force;
+               new_branch = new_branch_force;
 
                if (!opts.force &&
-                   !strbuf_check_branch_ref(&symref, opts.new_branch) &&
+                   !strbuf_check_branch_ref(&symref, new_branch) &&
                    ref_exists(symref.buf))
                        die_if_checked_out(symref.buf, 0);
                strbuf_release(&symref);
        }
 
-       if (ac < 2 && !opts.new_branch && !opts.detach) {
-               int n;
-               const char *s = worktree_basename(path, &n);
-               opts.new_branch = xstrndup(s, n);
-               if (guess_remote) {
-                       struct object_id oid;
-                       const char *remote =
-                               unique_tracking_name(opts.new_branch, &oid);
-                       if (remote)
-                               branch = remote;
-               }
+       if (ac < 2 && !new_branch && !opts.detach) {
+               const char *s = dwim_branch(path, &new_branch);
+               if (s)
+                       branch = s;
        }
 
-       if (ac == 2 && !opts.new_branch && !opts.detach) {
+       if (ac == 2 && !new_branch && !opts.detach) {
                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);
+                       remote = unique_tracking_name(branch, &oid, NULL);
                        if (remote) {
-                               opts.new_branch = branch;
+                               new_branch = branch;
                                branch = remote;
                        }
                }
        }
+       if (!opts.quiet)
+               print_preparing_worktree_line(opts.detach, branch, new_branch, !!new_branch_force);
 
-       if (opts.new_branch) {
+       if (new_branch) {
                struct child_process cp = CHILD_PROCESS_INIT;
                cp.git_cmd = 1;
                argv_array_push(&cp.args, "branch");
-               if (opts.force_new_branch)
+               if (new_branch_force)
                        argv_array_push(&cp.args, "--force");
-               argv_array_push(&cp.args, opts.new_branch);
+               if (opts.quiet)
+                       argv_array_push(&cp.args, "--quiet");
+               argv_array_push(&cp.args, new_branch);
                argv_array_push(&cp.args, branch);
                if (opt_track)
                        argv_array_push(&cp.args, opt_track);
                if (run_command(&cp))
                        return -1;
-               branch = opts.new_branch;
+               branch = new_branch;
        } else if (opt_track) {
                die(_("--[no-]track can only be used if a new branch is created"));
        }
@@ -484,7 +552,7 @@ static void show_worktree(struct worktree *wt, int path_maxlen, int abbrev_len)
                strbuf_addstr(&sb, "(bare)");
        else {
                strbuf_addf(&sb, "%-*s ", abbrev_len,
-                               find_unique_abbrev(wt->head_oid.hash, DEFAULT_ABBREV));
+                               find_unique_abbrev(&wt->head_oid, DEFAULT_ABBREV));
                if (wt->is_detached)
                        strbuf_addstr(&sb, "(detached HEAD)");
                else if (wt->head_ref) {
@@ -509,7 +577,7 @@ static void measure_widths(struct worktree **wt, int *abbrev, int *maxlen)
 
                if (path_len > *maxlen)
                        *maxlen = path_len;
-               sha1_len = strlen(find_unique_abbrev(wt[i]->head_oid.hash, *abbrev));
+               sha1_len = strlen(find_unique_abbrev(&wt[i]->head_oid, *abbrev));
                if (sha1_len > *abbrev)
                        *abbrev = sha1_len;
        }
@@ -605,6 +673,221 @@ static int unlock_worktree(int ac, const char **av, const char *prefix)
        return ret;
 }
 
+static void validate_no_submodules(const struct worktree *wt)
+{
+       struct index_state istate = { NULL };
+       int i, found_submodules = 0;
+
+       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];
+
+                       if (S_ISGITLINK(ce->ce_mode)) {
+                               found_submodules = 1;
+                               break;
+                       }
+               }
+       }
+       discard_index(&istate);
+
+       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)
+{
+       struct option options[] = {
+               OPT_END()
+       };
+       struct worktree **worktrees, *wt;
+       struct strbuf dst = STRBUF_INIT;
+       struct strbuf errmsg = STRBUF_INIT;
+       const char *reason;
+       char *path;
+
+       ac = parse_options(ac, av, prefix, options, worktree_usage, 0);
+       if (ac != 2)
+               usage_with_options(worktree_usage, options);
+
+       path = prefix_filename(prefix, av[1]);
+       strbuf_addstr(&dst, path);
+       free(path);
+
+       worktrees = get_worktrees(0);
+       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);
+       }
+       if (file_exists(dst.buf))
+               die(_("target '%s' already exists"), dst.buf);
+
+       validate_no_submodules(wt);
+
+       reason = is_worktree_locked(wt);
+       if (reason) {
+               if (*reason)
+                       die(_("cannot move a locked working tree, lock reason: %s"),
+                           reason);
+               die(_("cannot move a locked working tree"));
+       }
+       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 argv_array child_env = ARGV_ARRAY_INIT;
+       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);
+
+       argv_array_pushf(&child_env, "%s=%s/.git",
+                        GIT_DIR_ENVIRONMENT, wt->path);
+       argv_array_pushf(&child_env, "%s=%s",
+                        GIT_WORK_TREE_ENVIRONMENT, wt->path);
+       memset(&cp, 0, sizeof(cp));
+       argv_array_pushl(&cp.args, "status",
+                        "--porcelain", "--ignore-submodules=none",
+                        NULL);
+       cp.env = child_env.argv;
+       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' is dirty, 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 delete_git_dir(struct worktree *wt)
+{
+       struct strbuf sb = STRBUF_INIT;
+       int ret = 0;
+
+       strbuf_addstr(&sb, git_common_path("worktrees/%s", wt->id));
+       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 removing even if the worktree is dirty"),
+                        PARSE_OPT_NOCOMPLETE),
+               OPT_END()
+       };
+       struct worktree **worktrees, *wt;
+       struct strbuf errmsg = STRBUF_INIT;
+       const char *reason;
+       int ret = 0;
+
+       ac = parse_options(ac, av, prefix, options, worktree_usage, 0);
+       if (ac != 1)
+               usage_with_options(worktree_usage, options);
+
+       worktrees = get_worktrees(0);
+       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]);
+       reason = is_worktree_locked(wt);
+       if (reason) {
+               if (*reason)
+                       die(_("cannot remove a locked working tree, lock reason: %s"),
+                           reason);
+               die(_("cannot remove a locked working tree"));
+       }
+       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);
+
+       free_worktrees(worktrees);
+       return ret;
+}
+
 int cmd_worktree(int ac, const char **av, const char *prefix)
 {
        struct option options[] = {
@@ -627,5 +910,9 @@ int cmd_worktree(int ac, const char **av, const char *prefix)
                return lock_worktree(ac - 1, av + 1, prefix);
        if (!strcmp(av[1], "unlock"))
                return unlock_worktree(ac - 1, av + 1, prefix);
+       if (!strcmp(av[1], "move"))
+               return move_worktree(ac - 1, av + 1, prefix);
+       if (!strcmp(av[1], "remove"))
+               return remove_worktree(ac - 1, av + 1, prefix);
        usage_with_options(worktree_usage, options);
 }