GunChleoc has proposed merging 
lp:~widelands-dev/widelands/automate_clang-format into lp:widelands.

Commit message:
Added script to utils for running clang-format over the code base.

Requested reviews:
  SirVer (sirver)

For more details, see:
https://code.launchpad.net/~widelands-dev/widelands/automate_clang-format/+merge/312287

I think it would be a good idea to automate clang-format - it is starting to 
cost me real time when I work on a branch and trunk hasn't been formatted 
properly.

Can this be added to the bunnybot merge command once we have this in trunk? I'm 
thinking bzr merge, clang-format, bzr commit here.
-- 
Your team Widelands Developers is subscribed to branch 
lp:~widelands-dev/widelands/automate_clang-format.
=== added file 'utils/run_clang_format.py'
--- utils/run_clang_format.py	1970-01-01 00:00:00 +0000
+++ utils/run_clang_format.py	2016-12-01 18:04:25 +0000
@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+
+"""This script runs clang-format over src and all its subdirectories."""
+
+import argparse
+import os
+import sys
+from subprocess import call
+
+
+def parse_args():
+    p = argparse.ArgumentParser(description='Run clang-format over the code base.'
+                                )
+    return p.parse_args()
+
+
+def find_cplusplus_files():
+    for (dirpath, _, filenames) in os.walk('./src'):
+        for filename in filenames:
+            if os.path.splitext(filename)[-1].lower() == '.cc' or os.path.splitext(filename)[-1].lower() == '.h':
+                yield os.path.join(dirpath, filename)
+
+
+def main():
+    parse_args()
+
+    if not os.path.isdir('src') or not os.path.isdir('utils'):
+        print('CWD is not the root of the repository.')
+        return 1
+
+    sys.stdout.write('Running clang-format ')
+    for filename in find_cplusplus_files():
+        # print "Formatting %r" % filename
+        sys.stdout.write('.')
+        sys.stdout.flush()
+        call(['clang-format-3.8', '-i', filename])
+    print '\nFormatting finished.'
+    return 0
+
+if __name__ == '__main__':
+    sys.exit(main())

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