--- build/gen.py.orig	2019-10-24 18:38:23.121474871 +0200
+++ build/gen.py	2019-10-24 18:38:45.849743261 +0200
@@ -125,35 +125,7 @@
 
 
 def GenerateLastCommitPosition(host, header):
-  ROOT_TAG = 'initial-commit'
-  describe_output = subprocess.check_output(
-      ['git', 'describe', 'HEAD', '--match', ROOT_TAG], shell=host.is_windows(),
-      cwd=REPO_ROOT)
-  mo = re.match(ROOT_TAG + '-(\d+)-g([0-9a-f]+)', describe_output.decode())
-  if not mo:
-    raise ValueError(
-        'Unexpected output from git describe when generating version header')
-
-  contents = '''// Generated by build/gen.py.
-
-#ifndef OUT_LAST_COMMIT_POSITION_H_
-#define OUT_LAST_COMMIT_POSITION_H_
-
-#define LAST_COMMIT_POSITION "%s (%s)"
-
-#endif  // OUT_LAST_COMMIT_POSITION_H_
-''' % (mo.group(1), mo.group(2))
-
-  # Only write/touch this file if the commit position has changed.
-  old_contents = ''
-  if os.path.isfile(header):
-    with open(header, 'r') as f:
-      old_contents = f.read()
-
-  if old_contents != contents:
-    with open(header, 'w') as f:
-      f.write(contents)
-
+  return 0
 
 def WriteGenericNinja(path, static_libraries, executables,
                       cc, cxx, ar, ld, platform, host, options,