Commit hook to check line ends

checkle.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+
+import os
+import sys
+import subprocess
+
+files = subprocess.Popen(['hg', 'log', '-r', 'tip', '--template', '{files}'], 
+                         stdout=subprocess.PIPE).communicate()[0].split()
+
+status = 0
+
+for name in files:
+    if not os.path.exists(name):
+        continue
+    f = open(name, 'rb')
+    if '\r' in f.read():
+        print >> sys.stderr, "%s contains \\r character" % (name,)
+        status = 1
+    f.close()
+
+sys.exit(status)