wrapper.c: use warning_errno()

diff --git a/builtin/worktree.c b/builtin/worktree.c
index 475b9581a5583166c43199f1662b510842c59c7d..df4f6606c1061de2501f35aceebba558e2bab0f2 100644 (file)
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -52,7 +52,7 @@ static int prune_worktree(const char *id, struct strbuf *reason)
                return 1;
        }
        len = st.st_size;
-       path = xmalloc(len + 1);
+       path = xmallocz(len);
        read_in_full(fd, path, len);
        close(fd);
        while (len && (path[len - 1] == '\n' || path[len - 1] == '\r'))
@@ -109,7 +109,7 @@ static void prune_worktrees(void)
                if (ret < 0 && errno == ENOTDIR)
                        ret = unlink(path.buf);
                if (ret)
-                       error(_("failed to remove: %s"), strerror(errno));
+                       error_errno(_("failed to remove '%s'"), path.buf);
        }
        closedir(dir);
        if (!show_only)
@@ -201,9 +201,7 @@ static int add_worktree(const char *path, const char *refname,
                die(_("'%s' already exists"), path);
 
        /* is 'refname' a branch or commit? */
-       if (opts->force_new_branch) /* definitely a branch */
-               ;
-       else if (!opts->detach && !strbuf_check_branch_ref(&symref, refname) &&
+       if (!opts->detach && !strbuf_check_branch_ref(&symref, refname) &&
                 ref_exists(symref.buf)) { /* it's a branch */
                if (!opts->force)
                        die_if_checked_out(symref.buf);
@@ -336,9 +334,18 @@ static int add(int ac, const char **av, const char *prefix)
        branch = ac < 2 ? "HEAD" : av[1];
 
        opts.force_new_branch = !!new_branch_force;
-       if (opts.force_new_branch)
+       if (opts.force_new_branch) {
+               struct strbuf symref = STRBUF_INIT;
+
                opts.new_branch = new_branch_force;
 
+               if (!opts.force &&
+                   !strbuf_check_branch_ref(&symref, opts.new_branch) &&
+                   ref_exists(symref.buf))
+                       die_if_checked_out(symref.buf);
+               strbuf_release(&symref);
+       }
+
        if (ac < 2 && !opts.new_branch && !opts.detach) {
                int n;
                const char *s = worktree_basename(path, &n);