skia_commit_hash.h

skia/commit_hash.py

Index: skia/commit_hash.py
diff --git a/skia/commit_hash.py b/skia/commit_hash.py
new file mode 100755
index 0000000000000000000000000000000000000000..03866b6dbfd6bd99123c2fbac7464eae788c571b
--- /dev/null
+++ b/skia/commit_hash.py
@@ -0,0 +1,29 @@
+#!/usr/bin/python
+
+# Copyright (c) 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+'''
+Usage: python commit_hash.py SKIA_DIR OUTPUT_FILE
+'''
+
+import os
+import subprocess
+import sys
+
+assert len(sys.argv) == 3
+
+template = '''#include "skia/ext/skia_commit_hash.h"
+const char* skia::CommitHash() { return "%s"; }
+'''
+
+try:
+  commit = subprocess.check_output(
+    ['git', 'rev-parse', '--short=12', 'HEAD'],
+    cwd=sys.argv[1]).strip()
+except (subprocess.CalledProcessError, OSError), e:
+  commit = 'UNKNOWN'

[mtklein, 2016/07/26 16:11:48]

Is failure expected to happen somewhere?  Wouldn't you rather this script, and
the build step, fail?

+
+with open(sys.argv[2], 'w') as o:
+  o.write(template % commit)