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