From 12aca758c6ee923065d1d64a62e44c8a8fd6cd99 Mon Sep 17 00:00:00 2001
From: Ryan Liptak <squeek502@hotmail.com>
Date: Fri, 26 Jun 2020 17:12:02 -0700
Subject: [PATCH] Dir.deleteFile: Fix symlink behavior when translating EPERM
 to EISDIR

---
 lib/std/fs.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/std/fs.zig b/lib/std/fs.zig
index e7de8bd52d..28f2daa96a 100644
--- a/lib/std/fs.zig
+++ b/lib/std/fs.zig
@@ -1134,7 +1134,8 @@ pub const Dir = struct {
                 // non-Linux POSIX systems return EPERM when trying to delete a directory, so
                 // we need to handle that case specifically and translate the error
                 .macosx, .ios, .freebsd, .netbsd, .dragonfly => {
-                    const fstat = os.fstatatZ(self.fd, sub_path_c, 0) catch return e;
+                    // Don't follow symlinks to match unlinkat (which acts on symlinks rather than follows them)
+                    const fstat = os.fstatatZ(self.fd, sub_path_c, os.AT_SYMLINK_NOFOLLOW) catch return e;
                     const is_dir = fstat.mode & os.S_IFMT == os.S_IFDIR;
                     return if (is_dir) error.IsDir else e;
                 },