Add mixed-line-ending processor

pre_commit_hooks/mixed_line_ending.py

@@ -0,0 +1,27 @@
+import argparse
+import sys
+
+
+def mixed_line_ending(argv=None):
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        '-f',
+        '--fix',
+        choices=['auto', 'crlf', 'lf', 'no'],
+        default='auto',
+        help='Replace line ending with the specified. Default is "auto"',
+        nargs=1)
+    parser.add_argument(
+        '-v',
+        '--verbose',
+        action="store_true",
+        help='Increase output verbosity')
+    args = parser.parse_args(argv)
+
+    print(args.fix)
+
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(mixed_line_ending())