Roll src/third_party/boringssl/src 12fe1b25e..ac8302a09

third_party/boringssl/roll_boringssl.py

Index: third_party/boringssl/roll_boringssl.py
diff --git a/third_party/boringssl/roll_boringssl.py b/third_party/boringssl/roll_boringssl.py
new file mode 100755
index 0000000000000000000000000000000000000000..884df5ba029d34b3ec47565b61938657c0b481dd
--- /dev/null
+++ b/third_party/boringssl/roll_boringssl.py
@@ -0,0 +1,124 @@
+#!/usr/bin/env python
+# Copyright 2015 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.
+
+"""Rolls third_party/boringssl/src in DEPS and updates generated build files."""
+
+import os
+import os.path
+import shutil
+import subprocess
+import sys
+
+
+SCRIPT_PATH = os.path.abspath(__file__)
+SRC_PATH = os.path.dirname(os.path.dirname(os.path.dirname(SCRIPT_PATH)))
+DEPS_PATH = os.path.join(SRC_PATH, 'DEPS')
+BORINGSSL_PATH = os.path.join(SRC_PATH, 'third_party', 'boringssl')
+BORINGSSL_SRC_PATH = os.path.join(BORINGSSL_PATH, 'src')
+
+if not os.path.isfile(DEPS_PATH) or not os.path.isdir(BORINGSSL_SRC_PATH):
+  raise Exception('Could not find Chromium checkout')
+
+# Pull OS_ARCH_COMBOS out of the BoringSSL script.
+sys.path.append(os.path.join(BORINGSSL_SRC_PATH, 'util'))
+import generate_build_files
+
+GENERATED_FILES = [
+    'boringssl.gypi',
+    'boringssl_tests.gypi',
+    'err_data.c',
+]
+
+
+def IsPristine(repo):
+  """Returns True if a git checkout is pristine."""
+  cmd = ['git', 'diff', '--ignore-submodules']
+  return not (subprocess.check_output(cmd, cwd=repo).strip() or
+              subprocess.check_output(cmd + ['--cached'], cwd=repo).strip())
+
+
+def RevParse(repo, rev):
+  """Resolves a string to a git commit."""
+  return subprocess.check_output(['git', 'rev-parse', rev], cwd=repo).strip()
+
+
+def UpdateDEPS(deps, from_hash, to_hash):
+  """Updates all references of |from_hash| to |to_hash| in |deps|."""
+  with open(deps, 'rb') as f:
+    contents = f.read()
+    if from_hash not in contents:
+      raise Exception('%s not in DEPS' % from_hash)
+  contents = contents.replace(from_hash, to_hash)
+  with open(deps, 'wb') as f:
+    f.write(contents)
+
+
+def main():
+  if len(sys.argv) > 2:
+    sys.stderr.write('Usage: %s [COMMIT]' % sys.argv[0])
+    return 1
+
+  if not IsPristine(SRC_PATH):
+    print >>sys.stderr, 'Chromium checkout not pristine.'
+    return 0
+  if not IsPristine(BORINGSSL_SRC_PATH):
+    print >>sys.stderr, 'BoringSSL checkout not pristine.'
+    return 0
+
+  if len(sys.argv) > 1:
+    commit = RevParse(BORINGSSL_SRC_PATH, sys.argv[1])
+  else:
+    subprocess.check_call(['git', 'fetch', 'origin'], cwd=BORINGSSL_SRC_PATH)
+    commit = RevParse(BORINGSSL_SRC_PATH, 'origin/master')
+
+  head = RevParse(BORINGSSL_SRC_PATH, 'HEAD')
+  if head == commit:
+    print 'BoringSSL already up-to-date.'
+    return 0
+
+  print 'Rolling BoringSSL from %s to %s...' % (head, commit)
+
+  UpdateDEPS(DEPS_PATH, head, commit)
+
+  # Checkout third_party/boringssl/src to generate new files.
+  subprocess.check_call(['git', 'checkout', commit], cwd=BORINGSSL_SRC_PATH)
+
+  # Clear the old generated files.
+  for (osname, arch, _, _, _) in generate_build_files.OS_ARCH_COMBOS:
+    path = os.path.join(BORINGSSL_PATH, osname + '-' + arch)
+    shutil.rmtree(path)
+  for file in GENERATED_FILES:
+    path = os.path.join(BORINGSSL_PATH, file)
+    os.unlink(path)
+
+  # Generate new ones.
+  subprocess.check_call(['python',
+                         os.path.join(BORINGSSL_SRC_PATH, 'util',
+                                      'generate_build_files.py'),
+                         'gyp'],
+                        cwd=BORINGSSL_PATH)
+
+  # Commit everything.
+  subprocess.check_call(['git', 'add', DEPS_PATH], cwd=SRC_PATH)
+  for (osname, arch, _, _, _) in generate_build_files.OS_ARCH_COMBOS:
+    path = os.path.join(BORINGSSL_PATH, osname + '-' + arch)
+    subprocess.check_call(['git', 'add', path], cwd=SRC_PATH)
+  for file in GENERATED_FILES:
+    path = os.path.join(BORINGSSL_PATH, file)
+    subprocess.check_call(['git', 'add', path], cwd=SRC_PATH)
+
+  message = """Roll src/third_party/boringssl/src %s..%s
+
+https://boringssl.googlesource.com/boringssl/+log/%s..%s
+
+BUG=none
+""" % (head[:9], commit[:9], head, commit)
+  subprocess.check_call(['git', 'commit', '-m', message], cwd=SRC_PATH)
+
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main())