[PATCH 20/25] worktree: simplify prefixing paths

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 builtin/worktree.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/builtin/worktree.c b/builtin/worktree.c
index e041d7f..a9e91ab 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -330,7 +330,7 @@ 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];
 
 	opts.force_new_branch = !!new_branch_force;
@@ -460,6 +460,8 @@ 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"))
-- 
2.8.0.rc0.210.gd302cd2