From baf254ab788d2ca02331c418c6ff2eb0aae687ed Mon Sep 17 00:00:00 2001
From: Ben Picolo <benp@yelp.com>
Date: Wed, 4 Jan 2017 10:44:18 -0500
Subject: [PATCH] Fix user so we can mount volumes as RW

---
 pre_commit/languages/docker.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pre_commit/languages/docker.py b/pre_commit/languages/docker.py
index bc4d0623..e4e5af3e 100644
--- a/pre_commit/languages/docker.py
+++ b/pre_commit/languages/docker.py
@@ -78,9 +78,11 @@ def run_hook(repo_cmd_runner, hook, file_args):
     cmd = (
         'docker', 'run',
         '--rm',
-        '-v', '{}:/src'.format(os.getcwd()),
+        '-u', '{}:{}'.format(os.getuid(), os.getgid()),
+        '-v', '{}:/src:rw'.format(os.getcwd()),
         '--workdir', '/src',
         '--entrypoint', hook['entry'],
         docker_tag(repo_cmd_runner)
     )
+
     return xargs(cmd + tuple(hook['args']), file_args)