From 6c395673e29fdf446111f57bdfe215ac4f9760db Mon Sep 17 00:00:00 2001
From: Florent Xicluna <florent.xicluna@gmail.com>
Date: Mon, 5 May 2014 21:34:21 +0200
Subject: Do not overwrite Git pre-commit hook; closes #149

---
 flake8/hooks.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'flake8')

diff --git a/flake8/hooks.py b/flake8/hooks.py
index 289b66f..9542279 100644
--- a/flake8/hooks.py
+++ b/flake8/hooks.py
@@ -228,6 +228,8 @@ def install_hook():
 
     status = 0
     if 'git' in vcs:
+        if os.path.exists(vcs):
+            sys.exit('Error: hook already exists (%s)' % vcs)
         with open(vcs, 'w') as fd:
             fd.write(git_hook_file)
         # rwxr--r--
-- 
cgit v1.2.1