Merge branch 'ao/p4-has-branch-prefix-fix'

diff --git a/builtin/worktree.c b/builtin/worktree.c
index 96a2834a18be8ee03427cfdd408914ea71d59243..e866844685d519e2406c050da497c42506077f7d 100644 (file)
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -13,8 +13,8 @@
 
 static const char * const worktree_usage[] = {
        N_("git worktree add [<options>] <path> [<branch>]"),
-       N_("git worktree prune [<options>]"),
        N_("git worktree list [<options>]"),
+       N_("git worktree prune [<options>]"),
        NULL
 };
 
@@ -95,7 +95,7 @@ static void prune_worktrees(void)
        if (!dir)
                return;
        while ((d = readdir(dir)) != NULL) {
-               if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
+               if (is_dot_or_dotdot(d->d_name))
                        continue;
                strbuf_reset(&reason);
                if (!prune_worktree(d->d_name, &reason))
@@ -262,7 +262,7 @@ static int add_worktree(const char *path, const char *refname,
         */
        strbuf_reset(&sb);
        strbuf_addf(&sb, "%s/HEAD", sb_repo.buf);
-       write_file(sb.buf, "0000000000000000000000000000000000000000");
+       write_file(sb.buf, sha1_to_hex(null_sha1));
        strbuf_reset(&sb);
        strbuf_addf(&sb, "%s/commondir", sb_repo.buf);
        write_file(sb.buf, "../..");
@@ -337,9 +337,12 @@ static int add(int ac, const char **av, const char *prefix)
        if (ac < 1 || ac > 2)
                usage_with_options(worktree_usage, options);
 
-       path = prefix ? prefix_filename(prefix, strlen(prefix), av[0]) : av[0];
+       path = prefix_filename(prefix, strlen(prefix), av[0]);
        branch = ac < 2 ? "HEAD" : av[1];
 
+       if (!strcmp(branch, "-"))
+               branch = "@{-1}";
+
        opts.force_new_branch = !!new_branch_force;
        if (opts.force_new_branch) {
                struct strbuf symref = STRBUF_INIT;
@@ -467,6 +470,8 @@ int cmd_worktree(int ac, const char **av, const char *prefix)
 
        if (ac < 2)
                usage_with_options(worktree_usage, options);
+       if (!prefix)
+               prefix = "";
        if (!strcmp(av[1], "add"))
                return add(ac - 1, av + 1, prefix);
        if (!strcmp(av[1], "prune"))