Add WebRTC code freshness version string.
This CL adds a string to the resulting WebRTC library (trying to make
sure the version string will be there no matter how WebRTC is packaged).
This CL should be followed by some process to regularly and
automatically update the version string.
No-Try: True
No-Presubmit: True
Bug: webrtc:12159
Change-Id: I9143aeae2cd54d0d4048c138772888100d7873cb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/191223
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32825}
diff --git a/tools_webrtc/binary_version_check.py b/tools_webrtc/binary_version_check.py
new file mode 100644
index 0000000..cc5d961
--- /dev/null
+++ b/tools_webrtc/binary_version_check.py
@@ -0,0 +1,34 @@
+# Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS. All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import re
+import subprocess
+import sys
+
+WEBRTC_VERSION_RE = re.compile(
+ r'WebRTC source stamp [0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}'
+)
+
+
+if __name__ == '__main__':
+ args = sys.argv
+ if len(args) != 2:
+ print('Usage: binary_version_test.py <FILE_NAME>')
+ exit(1)
+ filename = sys.argv[1]
+ output = subprocess.check_output(['strings', filename])
+ strings_in_binary = output.decode('utf-8').splitlines()
+ for symbol in strings_in_binary:
+ if WEBRTC_VERSION_RE.match(symbol):
+ with open('webrtc_binary_version_check', 'w') as f:
+ f.write(symbol)
+ exit(0)
+ print('WebRTC source timestamp not found in "%s"' % filename)
+ print('Check why "kSourceTimestamp" from call/version.cc is not linked '
+ '(or why it has been optimized away by the compiler/linker)')
+ exit(1)