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1201 lines
40 KiB
Python
1201 lines
40 KiB
Python
#!/usr/bin/env python
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# Copyright 2014 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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# TODO(hinoka): Use logging.
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from __future__ import print_function
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import cStringIO
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import codecs
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from contextlib import contextmanager
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import copy
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import ctypes
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from datetime import datetime
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import functools
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import json
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import optparse
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import os
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import pprint
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import random
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import re
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import subprocess
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import sys
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import tempfile
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import threading
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import time
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import urllib2
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import urlparse
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import uuid
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import os.path as path
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# How many bytes at a time to read from pipes.
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BUF_SIZE = 256
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# How many seconds of no stdout activity before process is considered stale. Can
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# be overridden via environment variable `STALE_PROCESS_DURATION`. If set to 0,
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# process won't be terminated.
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STALE_PROCESS_DURATION = 1200
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# Define a bunch of directory paths.
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# Relative to this script's filesystem path.
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THIS_DIR = path.dirname(path.abspath(__file__))
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DEPOT_TOOLS_DIR = path.abspath(path.join(THIS_DIR, '..', '..', '..', '..'))
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CHROMIUM_GIT_HOST = 'https://chromium.googlesource.com'
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CHROMIUM_SRC_URL = CHROMIUM_GIT_HOST + '/chromium/src.git'
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BRANCH_HEADS_REFSPEC = '+refs/branch-heads/*'
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TAGS_REFSPEC = '+refs/tags/*'
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# Regular expression to match sha1 git revision.
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COMMIT_HASH_RE = re.compile(r'[0-9a-f]{5,40}', re.IGNORECASE)
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# Regular expression that matches a single commit footer line.
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COMMIT_FOOTER_ENTRY_RE = re.compile(r'([^:]+):\s*(.*)')
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# Footer metadata keys for regular and gsubtreed mirrored commit positions.
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COMMIT_POSITION_FOOTER_KEY = 'Cr-Commit-Position'
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COMMIT_ORIGINAL_POSITION_FOOTER_KEY = 'Cr-Original-Commit-Position'
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# Regular expression to parse gclient's revinfo entries.
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REVINFO_RE = re.compile(r'^([^:]+):\s+([^@]+)@(.+)$')
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# Copied from scripts/recipes/chromium.py.
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GOT_REVISION_MAPPINGS = {
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CHROMIUM_SRC_URL: {
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'got_revision': 'src/',
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'got_nacl_revision': 'src/native_client/',
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'got_swarm_client_revision': 'src/tools/swarm_client/',
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'got_swarming_client_revision': 'src/tools/swarming_client/',
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'got_v8_revision': 'src/v8/',
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'got_webkit_revision': 'src/third_party/WebKit/',
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'got_webrtc_revision': 'src/third_party/webrtc/',
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}
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}
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GCLIENT_TEMPLATE = """solutions = %(solutions)s
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cache_dir = r%(cache_dir)s
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%(target_os)s
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%(target_os_only)s
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%(target_cpu)s
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"""
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GIT_CACHE_PATH = path.join(DEPOT_TOOLS_DIR, 'git_cache.py')
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GCLIENT_PATH = path.join(DEPOT_TOOLS_DIR, 'gclient.py')
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class SubprocessFailed(Exception):
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def __init__(self, message, code, output):
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Exception.__init__(self, message)
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self.code = code
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self.output = output
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class PatchFailed(SubprocessFailed):
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pass
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class GclientSyncFailed(SubprocessFailed):
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pass
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class InvalidDiff(Exception):
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pass
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RETRY = object()
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OK = object()
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FAIL = object()
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class RepeatingTimer(threading.Thread):
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"""Call a function every n seconds, unless reset."""
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def __init__(self, interval, function, args=None, kwargs=None):
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threading.Thread.__init__(self)
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self.interval = interval
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self.function = function
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self.args = args if args is not None else []
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self.kwargs = kwargs if kwargs is not None else {}
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self.cond = threading.Condition()
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self.is_shutdown = False
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def reset(self):
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"""Resets timer interval."""
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with self.cond:
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self.is_reset = True
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self.cond.notify_all()
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def shutdown(self):
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"""Stops repeating timer."""
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with self.cond:
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self.is_shutdown = True
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self.cond.notify_all()
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def run(self):
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with self.cond:
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while not self.is_shutdown:
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self.cond.wait(self.interval)
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if not self.is_reset and not self.is_shutdown:
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self.function(*self.args, **self.kwargs)
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self.is_reset = False
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def _print_pstree():
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"""Debugging function used to print "ps auxwwf" for stuck processes."""
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if sys.platform.startswith('linux2'):
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# Add new line for cleaner output
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print()
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subprocess.call(['ps', 'auxwwf'])
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def _terminate_process(proc):
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print('Terminating stale process...')
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proc.terminate()
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def call(*args, **kwargs): # pragma: no cover
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"""Interactive subprocess call."""
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kwargs['stdout'] = subprocess.PIPE
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kwargs['stderr'] = subprocess.STDOUT
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kwargs.setdefault('bufsize', BUF_SIZE)
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cwd = kwargs.get('cwd', os.getcwd())
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stdin_data = kwargs.pop('stdin_data', None)
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if stdin_data:
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kwargs['stdin'] = subprocess.PIPE
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out = cStringIO.StringIO()
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new_env = kwargs.get('env', {})
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env = os.environ.copy()
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env.update(new_env)
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kwargs['env'] = env
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if new_env:
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print('===Injecting Environment Variables===')
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for k, v in sorted(new_env.items()):
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print('%s: %s' % (k, v))
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print('%s ===Running %s ===' % (datetime.now(), ' '.join(args),))
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print('In directory: %s' % cwd)
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start_time = time.time()
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proc = subprocess.Popen(args, **kwargs)
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if stdin_data:
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proc.stdin.write(stdin_data)
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proc.stdin.close()
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stale_process_duration = env.get('STALE_PROCESS_DURATION',
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STALE_PROCESS_DURATION)
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observers = [
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RepeatingTimer(300, _print_pstree),
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RepeatingTimer(int(stale_process_duration), _terminate_process, [proc])]
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for observer in observers:
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observer.start()
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# This is here because passing 'sys.stdout' into stdout for proc will
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# produce out of order output.
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hanging_cr = False
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while True:
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for observer in observers:
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observer.reset()
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buf = proc.stdout.read(BUF_SIZE)
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if not buf:
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break
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if hanging_cr:
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buf = '\r' + buf
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hanging_cr = buf.endswith('\r')
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if hanging_cr:
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buf = buf[:-1]
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buf = buf.replace('\r\n', '\n').replace('\r', '\n')
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sys.stdout.write(buf)
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out.write(buf)
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if hanging_cr:
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sys.stdout.write('\n')
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out.write('\n')
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for observer in observers:
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observer.shutdown()
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code = proc.wait()
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elapsed_time = ((time.time() - start_time) / 60.0)
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outval = out.getvalue()
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if code:
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print('%s ===Failed in %.1f mins of %s ===' %
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(datetime.now(), elapsed_time, ' '.join(args)))
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print()
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raise SubprocessFailed('%s failed with code %d in %s.' %
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(' '.join(args), code, cwd),
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code, outval)
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print('%s ===Succeeded in %.1f mins of %s ===' %
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(datetime.now(), elapsed_time, ' '.join(args)))
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print()
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return outval
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def git(*args, **kwargs): # pragma: no cover
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"""Wrapper around call specifically for Git commands."""
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if args and args[0] == 'cache':
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# Rewrite "git cache" calls into "python git_cache.py".
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cmd = (sys.executable, '-u', GIT_CACHE_PATH) + args[1:]
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else:
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git_executable = 'git'
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# On windows, subprocess doesn't fuzzy-match 'git' to 'git.bat', so we
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# have to do it explicitly. This is better than passing shell=True.
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if sys.platform.startswith('win'):
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git_executable += '.bat'
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cmd = (git_executable,) + args
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return call(*cmd, **kwargs)
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def get_gclient_spec(solutions, target_os, target_os_only, target_cpu,
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git_cache_dir):
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return GCLIENT_TEMPLATE % {
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'solutions': pprint.pformat(solutions, indent=4),
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'cache_dir': '"%s"' % git_cache_dir,
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'target_os': ('\ntarget_os=%s' % target_os) if target_os else '',
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'target_os_only': '\ntarget_os_only=%s' % target_os_only,
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'target_cpu': ('\ntarget_cpu=%s' % target_cpu) if target_cpu else ''
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}
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def solutions_printer(solutions):
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"""Prints gclient solution to stdout."""
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print('Gclient Solutions')
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print('=================')
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for solution in solutions:
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name = solution.get('name')
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url = solution.get('url')
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print('%s (%s)' % (name, url))
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if solution.get('deps_file'):
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print(' Dependencies file is %s' % solution['deps_file'])
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if 'managed' in solution:
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print(' Managed mode is %s' % ('ON' if solution['managed'] else 'OFF'))
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custom_vars = solution.get('custom_vars')
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if custom_vars:
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print(' Custom Variables:')
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for var_name, var_value in sorted(custom_vars.items()):
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print(' %s = %s' % (var_name, var_value))
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custom_deps = solution.get('custom_deps')
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if 'custom_deps' in solution:
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print(' Custom Dependencies:')
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for deps_name, deps_value in sorted(custom_deps.items()):
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if deps_value:
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print(' %s -> %s' % (deps_name, deps_value))
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else:
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print(' %s: Ignore' % deps_name)
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for k, v in solution.items():
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# Print out all the keys we don't know about.
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if k in ['name', 'url', 'deps_file', 'custom_vars', 'custom_deps',
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'managed']:
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continue
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print(' %s is %s' % (k, v))
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print()
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def modify_solutions(input_solutions):
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"""Modifies urls in solutions to point at Git repos.
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returns: new solution dictionary
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"""
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assert input_solutions
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solutions = copy.deepcopy(input_solutions)
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for solution in solutions:
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original_url = solution['url']
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parsed_url = urlparse.urlparse(original_url)
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parsed_path = parsed_url.path
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solution['managed'] = False
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# We don't want gclient to be using a safesync URL. Instead it should
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# using the lkgr/lkcr branch/tags.
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if 'safesync_url' in solution:
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print('Removing safesync url %s from %s' % (solution['safesync_url'],
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parsed_path))
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del solution['safesync_url']
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return solutions
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def remove(target, cleanup_dir):
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"""Remove a target by moving it into cleanup_dir."""
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if not path.exists(cleanup_dir):
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os.makedirs(cleanup_dir)
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dest = path.join(cleanup_dir, '%s_%s' % (
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path.basename(target), uuid.uuid4().hex))
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print('Marking for removal %s => %s' % (target, dest))
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try:
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os.rename(target, dest)
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except Exception as e:
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print('Error renaming %s to %s: %s' % (target, dest, str(e)))
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raise
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def ensure_no_checkout(dir_names, cleanup_dir):
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"""Ensure that there is no undesired checkout under build/."""
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build_dir = os.getcwd()
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has_checkout = any(path.exists(path.join(build_dir, dir_name, '.git'))
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for dir_name in dir_names)
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if has_checkout:
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for filename in os.listdir(build_dir):
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deletion_target = path.join(build_dir, filename)
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print('.git detected in checkout, deleting %s...' % deletion_target,)
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remove(deletion_target, cleanup_dir)
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print('done')
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def call_gclient(*args, **kwargs):
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"""Run the "gclient.py" tool with the supplied arguments.
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Args:
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args: command-line arguments to pass to gclient.
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kwargs: keyword arguments to pass to call.
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"""
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cmd = [sys.executable, '-u', GCLIENT_PATH]
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cmd.extend(args)
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return call(*cmd, **kwargs)
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def gclient_configure(solutions, target_os, target_os_only, target_cpu,
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git_cache_dir):
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"""Should do the same thing as gclient --spec='...'."""
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with codecs.open('.gclient', mode='w', encoding='utf-8') as f:
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f.write(get_gclient_spec(
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solutions, target_os, target_os_only, target_cpu, git_cache_dir))
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@contextmanager
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def git_config_if_not_set(key, value):
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"""Set git config for key equal to value if key was not set.
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If key was not set, unset it once we're done."""
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should_unset = True
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try:
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git('config', '--global', key)
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should_unset = False
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except SubprocessFailed as e:
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git('config', '--global', key, value)
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try:
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yield
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finally:
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if should_unset:
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git('config', '--global', '--unset', key)
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def gclient_sync(
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with_branch_heads, with_tags, revisions,
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patch_refs, gerrit_reset,
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gerrit_rebase_patch_ref):
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# We just need to allocate a filename.
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fd, gclient_output_file = tempfile.mkstemp(suffix='.json')
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os.close(fd)
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args = ['sync', '--verbose', '--reset', '--force',
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'--output-json', gclient_output_file,
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'--nohooks', '--noprehooks', '--delete_unversioned_trees']
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if with_branch_heads:
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args += ['--with_branch_heads']
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if with_tags:
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args += ['--with_tags']
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for name, revision in sorted(revisions.items()):
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if revision.upper() == 'HEAD':
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revision = 'refs/remotes/origin/master'
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args.extend(['--revision', '%s@%s' % (name, revision)])
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if patch_refs:
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for patch_ref in patch_refs:
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args.extend(['--patch-ref', patch_ref])
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if not gerrit_reset:
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args.append('--no-reset-patch-ref')
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if not gerrit_rebase_patch_ref:
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args.append('--no-rebase-patch-ref')
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try:
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call_gclient(*args)
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except SubprocessFailed as e:
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# If gclient sync is handling patching, parse the output for a patch error
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# message.
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if 'Failed to apply patch.' in e.output:
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raise PatchFailed(e.message, e.code, e.output)
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# Throw a GclientSyncFailed exception so we can catch this independently.
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raise GclientSyncFailed(e.message, e.code, e.output)
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else:
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with open(gclient_output_file) as f:
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return json.load(f)
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finally:
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os.remove(gclient_output_file)
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def gclient_revinfo():
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return call_gclient('revinfo', '-a') or ''
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def normalize_git_url(url):
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"""Normalize a git url to be consistent.
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This recognizes urls to the googlesoruce.com domain. It ensures that
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the url:
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* Do not end in .git
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* Do not contain /a/ in their path.
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"""
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try:
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p = urlparse.urlparse(url)
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except Exception:
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# Not a url, just return it back.
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return url
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if not p.netloc.endswith('.googlesource.com'):
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# Not a googlesource.com URL, can't normalize this, just return as is.
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return url
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upath = p.path
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if upath.startswith('/a'):
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upath = upath[len('/a'):]
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if upath.endswith('.git'):
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upath = upath[:-len('.git')]
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return 'https://%s%s' % (p.netloc, upath)
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def create_manifest():
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manifest = {}
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output = gclient_revinfo()
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for line in output.strip().splitlines():
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match = REVINFO_RE.match(line.strip())
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if match:
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manifest[match.group(1)] = {
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'repository': match.group(2),
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'revision': match.group(3),
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}
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else:
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print("WARNING: Couldn't match revinfo line:\n%s" % line)
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return manifest
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def get_commit_message_footer_map(message):
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"""Returns: (dict) A dictionary of commit message footer entries.
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"""
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footers = {}
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# Extract the lines in the footer block.
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lines = []
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for line in message.strip().splitlines():
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line = line.strip()
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if len(line) == 0:
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del lines[:]
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continue
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lines.append(line)
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|
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# Parse the footer
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for line in lines:
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m = COMMIT_FOOTER_ENTRY_RE.match(line)
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if not m:
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# If any single line isn't valid, continue anyway for compatibility with
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# Gerrit (which itself uses JGit for this).
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continue
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footers[m.group(1)] = m.group(2).strip()
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return footers
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def get_commit_message_footer(message, key):
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"""Returns: (str/None) The footer value for 'key', or None if none was found.
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"""
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return get_commit_message_footer_map(message).get(key)
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|
|
# Derived from:
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|
# http://code.activestate.com/recipes/577972-disk-usage/?in=user-4178764
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|
def get_total_disk_space():
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cwd = os.getcwd()
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|
# Windows is the only platform that doesn't support os.statvfs, so
|
|
# we need to special case this.
|
|
if sys.platform.startswith('win'):
|
|
_, total, free = (ctypes.c_ulonglong(), ctypes.c_ulonglong(), \
|
|
ctypes.c_ulonglong())
|
|
if sys.version_info >= (3,) or isinstance(cwd, unicode):
|
|
fn = ctypes.windll.kernel32.GetDiskFreeSpaceExW
|
|
else:
|
|
fn = ctypes.windll.kernel32.GetDiskFreeSpaceExA
|
|
ret = fn(cwd, ctypes.byref(_), ctypes.byref(total), ctypes.byref(free))
|
|
if ret == 0:
|
|
# WinError() will fetch the last error code.
|
|
raise ctypes.WinError()
|
|
return (total.value, free.value)
|
|
|
|
else:
|
|
st = os.statvfs(cwd)
|
|
free = st.f_bavail * st.f_frsize
|
|
total = st.f_blocks * st.f_frsize
|
|
return (total, free)
|
|
|
|
|
|
def ref_to_remote_ref(ref):
|
|
"""Maps refs to equivalent remote ref.
|
|
|
|
This maps
|
|
- refs/heads/BRANCH -> refs/remotes/origin/BRANCH
|
|
- refs/branch-heads/BRANCH_HEAD -> refs/remotes/branch-heads/BRANCH_HEAD
|
|
- origin/BRANCH -> refs/remotes/origin/BRANCH
|
|
and leaves other refs unchanged.
|
|
"""
|
|
if ref.startswith('refs/heads/'):
|
|
return 'refs/remotes/origin/' + ref[len('refs/heads/'):]
|
|
elif ref.startswith('refs/branch-heads/'):
|
|
return 'refs/remotes/branch-heads/' + ref[len('refs/branch-heads/'):]
|
|
elif ref.startswith('origin/'):
|
|
return 'refs/remotes/' + ref
|
|
else:
|
|
return ref
|
|
|
|
|
|
def get_target_branch_and_revision(solution_name, git_url, revisions):
|
|
solution_name = solution_name.strip('/')
|
|
configured = revisions.get(solution_name) or revisions.get(git_url)
|
|
|
|
if configured is None or COMMIT_HASH_RE.match(configured):
|
|
# TODO(crbug.com/1104182): Get the default branch instead of assuming
|
|
# 'master'.
|
|
branch = 'refs/remotes/origin/master'
|
|
revision = configured or 'HEAD'
|
|
return branch, revision
|
|
elif ':' in configured:
|
|
branch, revision = configured.split(':', 1)
|
|
else:
|
|
branch = configured
|
|
revision = 'HEAD'
|
|
|
|
if not branch.startswith(('refs/', 'origin/')):
|
|
branch = 'refs/remotes/origin/' + branch
|
|
branch = ref_to_remote_ref(branch)
|
|
|
|
return branch, revision
|
|
|
|
|
|
def _has_in_git_cache(revision_sha1, refs, git_cache_dir, url):
|
|
"""Returns whether given revision_sha1 is contained in cache of a given repo.
|
|
"""
|
|
try:
|
|
mirror_dir = git(
|
|
'cache', 'exists', '--quiet', '--cache-dir', git_cache_dir, url).strip()
|
|
if revision_sha1:
|
|
git('cat-file', '-e', revision_sha1, cwd=mirror_dir)
|
|
for ref in refs:
|
|
git('cat-file', '-e', ref, cwd=mirror_dir)
|
|
return True
|
|
except SubprocessFailed:
|
|
return False
|
|
|
|
|
|
def is_broken_repo_dir(repo_dir):
|
|
# Treat absence of 'config' as a signal of a partially deleted repo.
|
|
return not path.exists(os.path.join(repo_dir, '.git', 'config'))
|
|
|
|
|
|
def _maybe_break_locks(checkout_path, tries=3):
|
|
"""This removes all .lock files from this repo's .git directory.
|
|
|
|
In particular, this will cleanup index.lock files, as well as ref lock
|
|
files.
|
|
"""
|
|
def attempt():
|
|
git_dir = os.path.join(checkout_path, '.git')
|
|
for dirpath, _, filenames in os.walk(git_dir):
|
|
for filename in filenames:
|
|
if filename.endswith('.lock'):
|
|
to_break = os.path.join(dirpath, filename)
|
|
print('breaking lock: %s' % to_break)
|
|
try:
|
|
os.remove(to_break)
|
|
except OSError as ex:
|
|
print('FAILED to break lock: %s: %s' % (to_break, ex))
|
|
raise
|
|
|
|
for _ in xrange(tries):
|
|
try:
|
|
attempt()
|
|
return
|
|
except Exception:
|
|
pass
|
|
|
|
|
|
def _set_git_config(fn):
|
|
@functools.wraps(fn)
|
|
def wrapper(*args, **kwargs):
|
|
with git_config_if_not_set('user.name', 'chrome-bot'), \
|
|
git_config_if_not_set('user.email', 'chrome-bot@chromium.org'), \
|
|
git_config_if_not_set('fetch.uriprotocols', 'https'):
|
|
return fn(*args, **kwargs)
|
|
return wrapper
|
|
|
|
|
|
def git_checkouts(solutions, revisions, refs, no_fetch_tags, git_cache_dir,
|
|
cleanup_dir, enforce_fetch):
|
|
build_dir = os.getcwd()
|
|
first_solution = True
|
|
for sln in solutions:
|
|
sln_dir = path.join(build_dir, sln['name'])
|
|
_git_checkout(sln, sln_dir, revisions, refs, no_fetch_tags, git_cache_dir,
|
|
cleanup_dir, enforce_fetch)
|
|
if first_solution:
|
|
git_ref = git('log', '--format=%H', '--max-count=1',
|
|
cwd=path.join(build_dir, sln['name'])
|
|
).strip()
|
|
first_solution = False
|
|
return git_ref
|
|
|
|
|
|
def _git_checkout(sln, sln_dir, revisions, refs, no_fetch_tags, git_cache_dir,
|
|
cleanup_dir, enforce_fetch):
|
|
name = sln['name']
|
|
url = sln['url']
|
|
|
|
branch, revision = get_target_branch_and_revision(name, url, revisions)
|
|
pin = revision if COMMIT_HASH_RE.match(revision) else None
|
|
|
|
populate_cmd = (['cache', 'populate', '-v', '--cache-dir', git_cache_dir, url,
|
|
'--reset-fetch-config'])
|
|
if no_fetch_tags:
|
|
populate_cmd.extend(['--no-fetch-tags'])
|
|
if pin:
|
|
populate_cmd.extend(['--commit', pin])
|
|
for ref in refs:
|
|
populate_cmd.extend(['--ref', ref])
|
|
|
|
env = {}
|
|
if url == CHROMIUM_SRC_URL or url + '.git' == CHROMIUM_SRC_URL:
|
|
# This is for performance investigation of `git fetch` in chromium/src.
|
|
env = {
|
|
'GIT_TRACE': 'true',
|
|
'GIT_TRACE_PERFORMANCE': 'true',
|
|
'GIT_TRACE_CURL': 'true',
|
|
'GIT_TRACE_CURL_NO_DATA': 'true',
|
|
'GIT_REDACT_COOKIES': 'o,SSO,GSSO_UberProxy,__Secure-GSSO_UberProxy',
|
|
}
|
|
|
|
# Step 1: populate/refresh cache, if necessary.
|
|
if enforce_fetch or not pin:
|
|
git(*populate_cmd, env=env)
|
|
|
|
# If cache still doesn't have required pin/refs, try again and fetch pin/refs
|
|
# directly.
|
|
if not _has_in_git_cache(pin, refs, git_cache_dir, url):
|
|
for attempt in range(3):
|
|
with git_config_if_not_set(
|
|
'http.extraheader', 'X-Return-Encrypted-Headers: all'):
|
|
git(*populate_cmd, env=env)
|
|
if _has_in_git_cache(pin, refs, git_cache_dir, url):
|
|
break
|
|
print('Some required refs/commits are still not present.')
|
|
print('Waiting 60s and trying again.')
|
|
time.sleep(60)
|
|
|
|
# Step 2: populate a checkout from local cache. All operations are local.
|
|
mirror_dir = git(
|
|
'cache', 'exists', '--quiet', '--cache-dir', git_cache_dir, url).strip()
|
|
_set_remote_head(mirror_dir)
|
|
first_try = True
|
|
while True:
|
|
try:
|
|
# If repo deletion was aborted midway, it may have left .git in broken
|
|
# state.
|
|
if path.exists(sln_dir) and is_broken_repo_dir(sln_dir):
|
|
print('Git repo %s appears to be broken, removing it' % sln_dir)
|
|
remove(sln_dir, cleanup_dir)
|
|
|
|
# Use "tries=1", since we retry manually in this loop.
|
|
if not path.isdir(sln_dir):
|
|
git('clone', '--no-checkout', '--local', '--shared', mirror_dir,
|
|
sln_dir)
|
|
_git_disable_gc(sln_dir)
|
|
else:
|
|
_git_disable_gc(sln_dir)
|
|
git('remote', 'set-url', 'origin', mirror_dir, cwd=sln_dir)
|
|
git('fetch', 'origin', cwd=sln_dir)
|
|
git('remote', 'set-url', '--push', 'origin', url, cwd=sln_dir)
|
|
_set_remote_head(sln_dir)
|
|
if pin:
|
|
git('fetch', 'origin', pin, cwd=sln_dir)
|
|
for ref in refs:
|
|
refspec = '%s:%s' % (ref, ref_to_remote_ref(ref.lstrip('+')))
|
|
git('fetch', 'origin', refspec, cwd=sln_dir)
|
|
|
|
# Windows sometimes has trouble deleting files.
|
|
# This can make git commands that rely on locks fail.
|
|
# Try a few times in case Windows has trouble again (and again).
|
|
if sys.platform.startswith('win'):
|
|
_maybe_break_locks(sln_dir, tries=3)
|
|
|
|
# Note that the '--' argument is needed to ensure that git treats
|
|
# 'pin or branch' as revision or ref, and not as file/directory which
|
|
# happens to have the exact same name.
|
|
git('checkout', '--force', pin or branch, '--', cwd=sln_dir)
|
|
git('clean', '-dff', cwd=sln_dir)
|
|
return
|
|
except SubprocessFailed as e:
|
|
# Exited abnormally, there's probably something wrong.
|
|
print('Something failed: %s.' % str(e))
|
|
if first_try:
|
|
first_try = False
|
|
# Lets wipe the checkout and try again.
|
|
remove(sln_dir, cleanup_dir)
|
|
else:
|
|
raise
|
|
|
|
def _git_disable_gc(cwd):
|
|
git('config', 'gc.auto', '0', cwd=cwd)
|
|
git('config', 'gc.autodetach', '0', cwd=cwd)
|
|
git('config', 'gc.autopacklimit', '0', cwd=cwd)
|
|
|
|
|
|
def _set_remote_head(cwd):
|
|
if len(git('ls-remote', 'origin', 'HEAD', cwd=cwd)) > 0:
|
|
return
|
|
try:
|
|
git('remote', 'set-head', 'origin', '--auto', cwd=cwd)
|
|
except SubprocessFailed:
|
|
# If remote HEAD cannot be set automatically, prefer main over master.
|
|
try:
|
|
git('remote', 'set-head', 'origin', 'main', cwd=cwd)
|
|
except SubprocessFailed:
|
|
git('remote', 'set-head', 'origin', 'master', cwd=cwd)
|
|
|
|
|
|
def get_commit_position(git_path, revision='HEAD'):
|
|
"""Dumps the 'git' log for a specific revision and parses out the commit
|
|
position.
|
|
|
|
If a commit position metadata key is found, its value will be returned.
|
|
"""
|
|
# TODO(iannucci): Use git-footers for this.
|
|
git_log = git('log', '--format=%B', '-n1', revision, cwd=git_path)
|
|
footer_map = get_commit_message_footer_map(git_log)
|
|
|
|
# Search for commit position metadata
|
|
value = (footer_map.get(COMMIT_POSITION_FOOTER_KEY) or
|
|
footer_map.get(COMMIT_ORIGINAL_POSITION_FOOTER_KEY))
|
|
if value:
|
|
return value
|
|
return None
|
|
|
|
|
|
def parse_got_revision(gclient_output, got_revision_mapping):
|
|
"""Translate git gclient revision mapping to build properties."""
|
|
properties = {}
|
|
solutions_output = {
|
|
# Make sure path always ends with a single slash.
|
|
'%s/' % path.rstrip('/') : solution_output for path, solution_output
|
|
in gclient_output['solutions'].items()
|
|
}
|
|
for property_name, dir_name in got_revision_mapping.items():
|
|
# Make sure dir_name always ends with a single slash.
|
|
dir_name = '%s/' % dir_name.rstrip('/')
|
|
if dir_name not in solutions_output:
|
|
continue
|
|
solution_output = solutions_output[dir_name]
|
|
if solution_output.get('scm') is None:
|
|
# This is an ignored DEPS, so the output got_revision should be 'None'.
|
|
revision = commit_position = None
|
|
else:
|
|
# Since we are using .DEPS.git, everything had better be git.
|
|
assert solution_output.get('scm') == 'git'
|
|
revision = git('rev-parse', 'HEAD', cwd=dir_name).strip()
|
|
commit_position = get_commit_position(dir_name)
|
|
|
|
properties[property_name] = revision
|
|
if commit_position:
|
|
properties['%s_cp' % property_name] = commit_position
|
|
|
|
return properties
|
|
|
|
|
|
def emit_json(out_file, did_run, **kwargs):
|
|
"""Write run information into a JSON file."""
|
|
output = {}
|
|
output.update({'did_run': did_run})
|
|
output.update(kwargs)
|
|
with open(out_file, 'wb') as f:
|
|
f.write(json.dumps(output, sort_keys=True))
|
|
|
|
|
|
@_set_git_config
|
|
def ensure_checkout(solutions, revisions, first_sln, target_os, target_os_only,
|
|
target_cpu, patch_root, patch_refs, gerrit_rebase_patch_ref,
|
|
no_fetch_tags, refs, git_cache_dir, cleanup_dir,
|
|
gerrit_reset, enforce_fetch):
|
|
# Get a checkout of each solution, without DEPS or hooks.
|
|
# Calling git directly because there is no way to run Gclient without
|
|
# invoking DEPS.
|
|
print('Fetching Git checkout')
|
|
|
|
git_checkouts(solutions, revisions, refs, no_fetch_tags, git_cache_dir,
|
|
cleanup_dir, enforce_fetch)
|
|
|
|
# Ensure our build/ directory is set up with the correct .gclient file.
|
|
gclient_configure(solutions, target_os, target_os_only, target_cpu,
|
|
git_cache_dir)
|
|
|
|
# We want to pass all non-solution revisions into the gclient sync call.
|
|
solution_dirs = {sln['name'] for sln in solutions}
|
|
gc_revisions = {
|
|
dirname: rev for dirname, rev in revisions.items()
|
|
if dirname not in solution_dirs}
|
|
# Gclient sometimes ignores "unmanaged": "False" in the gclient solution
|
|
# if --revision <anything> is passed (for example, for subrepos).
|
|
# This forces gclient to always treat solutions deps as unmanaged.
|
|
for solution_name in list(solution_dirs):
|
|
gc_revisions[solution_name] = 'unmanaged'
|
|
|
|
# Let gclient do the DEPS syncing.
|
|
# The branch-head refspec is a special case because it's possible Chrome
|
|
# src, which contains the branch-head refspecs, is DEPSed in.
|
|
gclient_output = gclient_sync(
|
|
BRANCH_HEADS_REFSPEC in refs,
|
|
TAGS_REFSPEC in refs,
|
|
gc_revisions,
|
|
patch_refs,
|
|
gerrit_reset,
|
|
gerrit_rebase_patch_ref)
|
|
|
|
# Now that gclient_sync has finished, we should revert any .DEPS.git so that
|
|
# presubmit doesn't complain about it being modified.
|
|
if git('ls-files', '.DEPS.git', cwd=first_sln).strip():
|
|
git('checkout', 'HEAD', '--', '.DEPS.git', cwd=first_sln)
|
|
|
|
# Reset the deps_file point in the solutions so that hooks get run properly.
|
|
for sln in solutions:
|
|
sln['deps_file'] = sln.get('deps_file', 'DEPS').replace('.DEPS.git', 'DEPS')
|
|
gclient_configure(solutions, target_os, target_os_only, target_cpu,
|
|
git_cache_dir)
|
|
|
|
return gclient_output
|
|
|
|
|
|
def parse_revisions(revisions, root):
|
|
"""Turn a list of revision specs into a nice dictionary.
|
|
|
|
We will always return a dict with {root: something}. By default if root
|
|
is unspecified, or if revisions is [], then revision will be assigned 'HEAD'
|
|
"""
|
|
results = {root.strip('/'): 'HEAD'}
|
|
expanded_revisions = []
|
|
for revision in revisions:
|
|
# Allow rev1,rev2,rev3 format.
|
|
# TODO(hinoka): Delete this when webkit switches to recipes.
|
|
expanded_revisions.extend(revision.split(','))
|
|
for revision in expanded_revisions:
|
|
split_revision = revision.split('@', 1)
|
|
if len(split_revision) == 1:
|
|
# This is just a plain revision, set it as the revision for root.
|
|
results[root] = split_revision[0]
|
|
else:
|
|
# This is an alt_root@revision argument.
|
|
current_root, current_rev = split_revision
|
|
|
|
parsed_root = urlparse.urlparse(current_root)
|
|
if parsed_root.scheme in ['http', 'https']:
|
|
# We want to normalize git urls into .git urls.
|
|
normalized_root = 'https://' + parsed_root.netloc + parsed_root.path
|
|
if not normalized_root.endswith('.git'):
|
|
normalized_root += '.git'
|
|
elif parsed_root.scheme:
|
|
print('WARNING: Unrecognized scheme %s, ignoring' % parsed_root.scheme)
|
|
continue
|
|
else:
|
|
# This is probably a local path.
|
|
normalized_root = current_root.strip('/')
|
|
|
|
results[normalized_root] = current_rev
|
|
|
|
return results
|
|
|
|
|
|
def parse_args():
|
|
parse = optparse.OptionParser()
|
|
|
|
parse.add_option('--root', dest='patch_root',
|
|
help='DEPRECATED: Use --patch_root.')
|
|
parse.add_option('--patch_root', help='Directory to patch on top of.')
|
|
parse.add_option('--patch_ref', dest='patch_refs', action='append', default=[],
|
|
help='Git repository & ref to apply, as REPO@REF.')
|
|
parse.add_option('--gerrit_no_rebase_patch_ref', action='store_true',
|
|
help='Bypass rebase of Gerrit patch ref after checkout.')
|
|
parse.add_option('--gerrit_no_reset', action='store_true',
|
|
help='Bypass calling reset after applying a gerrit ref.')
|
|
parse.add_option('--specs', help='Gcilent spec.')
|
|
parse.add_option('--spec-path', help='Path to a Gcilent spec file.')
|
|
parse.add_option('--revision_mapping_file',
|
|
help=('Path to a json file of the form '
|
|
'{"property_name": "path/to/repo/"}'))
|
|
parse.add_option('--revision', action='append', default=[],
|
|
help='Revision to check out. Can be any form of git ref. '
|
|
'Can prepend root@<rev> to specify which repository, '
|
|
'where root is either a filesystem path or git https '
|
|
'url. To specify Tip of Tree, set rev to HEAD. ')
|
|
parse.add_option(
|
|
'--no_fetch_tags',
|
|
action='store_true',
|
|
help=('Don\'t fetch tags from the server for the git checkout. '
|
|
'This can speed up fetch considerably when '
|
|
'there are many tags.'))
|
|
parse.add_option(
|
|
'--enforce_fetch',
|
|
action='store_true',
|
|
help=('Enforce a new fetch to refresh the git cache, even if the '
|
|
'solution revision passed in already exists in the current '
|
|
'git cache.'))
|
|
|
|
# TODO(machenbach): Remove the flag when all uses have been removed.
|
|
parse.add_option('--output_manifest', action='store_true',
|
|
help=('Deprecated.'))
|
|
parse.add_option('--clobber', action='store_true',
|
|
help='Delete checkout first, always')
|
|
parse.add_option('--output_json',
|
|
help='Output JSON information into a specified file')
|
|
parse.add_option('--refs', action='append',
|
|
help='Also fetch this refspec for the main solution(s). '
|
|
'Eg. +refs/branch-heads/*')
|
|
parse.add_option('--with_branch_heads', action='store_true',
|
|
help='Always pass --with_branch_heads to gclient. This '
|
|
'does the same thing as --refs +refs/branch-heads/*')
|
|
parse.add_option('--with_tags', action='store_true',
|
|
help='Always pass --with_tags to gclient. This '
|
|
'does the same thing as --refs +refs/tags/*')
|
|
parse.add_option('--git-cache-dir', help='Path to git cache directory.')
|
|
parse.add_option('--cleanup-dir',
|
|
help='Path to a cleanup directory that can be used for '
|
|
'deferred file cleanup.')
|
|
|
|
options, args = parse.parse_args()
|
|
|
|
if options.spec_path:
|
|
if options.specs:
|
|
parse.error('At most one of --spec-path and --specs may be specified.')
|
|
with open(options.spec_path, 'r') as fd:
|
|
options.specs = fd.read()
|
|
|
|
if not options.output_json:
|
|
parse.error('--output_json is required')
|
|
|
|
if not options.git_cache_dir:
|
|
parse.error('--git-cache-dir is required')
|
|
|
|
if not options.refs:
|
|
options.refs = []
|
|
|
|
if options.with_branch_heads:
|
|
options.refs.append(BRANCH_HEADS_REFSPEC)
|
|
del options.with_branch_heads
|
|
|
|
if options.with_tags:
|
|
options.refs.append(TAGS_REFSPEC)
|
|
del options.with_tags
|
|
|
|
try:
|
|
if not options.revision_mapping_file:
|
|
parse.error('--revision_mapping_file is required')
|
|
|
|
with open(options.revision_mapping_file, 'r') as f:
|
|
options.revision_mapping = json.load(f)
|
|
except Exception as e:
|
|
print(
|
|
'WARNING: Caught exception while parsing revision_mapping*: %s'
|
|
% (str(e),))
|
|
|
|
# Because we print CACHE_DIR out into a .gclient file, and then later run
|
|
# eval() on it, backslashes need to be escaped, otherwise "E:\b\build" gets
|
|
# parsed as "E:[\x08][\x08]uild".
|
|
if sys.platform.startswith('win'):
|
|
options.git_cache_dir = options.git_cache_dir.replace('\\', '\\\\')
|
|
|
|
return options, args
|
|
|
|
|
|
def prepare(options, git_slns, active):
|
|
"""Prepares the target folder before we checkout."""
|
|
dir_names = [sln.get('name') for sln in git_slns if 'name' in sln]
|
|
if options.clobber:
|
|
ensure_no_checkout(dir_names, options.cleanup_dir)
|
|
# Make sure we tell recipes that we didn't run if the script exits here.
|
|
emit_json(options.output_json, did_run=active)
|
|
|
|
total_disk_space, free_disk_space = get_total_disk_space()
|
|
total_disk_space_gb = int(total_disk_space / (1024 * 1024 * 1024))
|
|
used_disk_space_gb = int((total_disk_space - free_disk_space)
|
|
/ (1024 * 1024 * 1024))
|
|
percent_used = int(used_disk_space_gb * 100 / total_disk_space_gb)
|
|
step_text = '[%dGB/%dGB used (%d%%)]' % (used_disk_space_gb,
|
|
total_disk_space_gb,
|
|
percent_used)
|
|
# The first solution is where the primary DEPS file resides.
|
|
first_sln = dir_names[0]
|
|
|
|
# Split all the revision specifications into a nice dict.
|
|
print('Revisions: %s' % options.revision)
|
|
revisions = parse_revisions(options.revision, first_sln)
|
|
print('Fetching Git checkout at %s@%s' % (first_sln, revisions[first_sln]))
|
|
return revisions, step_text
|
|
|
|
|
|
def checkout(options, git_slns, specs, revisions, step_text):
|
|
print('Using Python version: %s' % (sys.version,))
|
|
print('Checking git version...')
|
|
ver = git('version').strip()
|
|
print('Using %s' % ver)
|
|
|
|
try:
|
|
protocol = git('config', '--get', 'protocol.version')
|
|
print('Using git protocol version %s' % protocol)
|
|
except SubprocessFailed as e:
|
|
print('git protocol version is not specified.')
|
|
|
|
first_sln = git_slns[0]['name']
|
|
dir_names = [sln.get('name') for sln in git_slns if 'name' in sln]
|
|
dirty_path = '.dirty_bot_checkout'
|
|
if os.path.exists(dirty_path):
|
|
ensure_no_checkout(dir_names, options.cleanup_dir)
|
|
|
|
with open(dirty_path, 'w') as f:
|
|
# create file, no content
|
|
pass
|
|
|
|
should_delete_dirty_file = False
|
|
|
|
try:
|
|
# Outer try is for catching patch failures and exiting gracefully.
|
|
# Inner try is for catching gclient failures and retrying gracefully.
|
|
try:
|
|
checkout_parameters = dict(
|
|
# First, pass in the base of what we want to check out.
|
|
solutions=git_slns,
|
|
revisions=revisions,
|
|
first_sln=first_sln,
|
|
|
|
# Also, target os variables for gclient.
|
|
target_os=specs.get('target_os', []),
|
|
target_os_only=specs.get('target_os_only', False),
|
|
|
|
# Also, target cpu variables for gclient.
|
|
target_cpu=specs.get('target_cpu', []),
|
|
|
|
# Then, pass in information about how to patch.
|
|
patch_root=options.patch_root,
|
|
patch_refs=options.patch_refs,
|
|
gerrit_rebase_patch_ref=not options.gerrit_no_rebase_patch_ref,
|
|
|
|
# Control how the fetch step will occur.
|
|
no_fetch_tags=options.no_fetch_tags,
|
|
enforce_fetch=options.enforce_fetch,
|
|
|
|
# Finally, extra configurations cleanup dir location.
|
|
refs=options.refs,
|
|
git_cache_dir=options.git_cache_dir,
|
|
cleanup_dir=options.cleanup_dir,
|
|
gerrit_reset=not options.gerrit_no_reset)
|
|
gclient_output = ensure_checkout(**checkout_parameters)
|
|
should_delete_dirty_file = True
|
|
except GclientSyncFailed:
|
|
print('We failed gclient sync, lets delete the checkout and retry.')
|
|
ensure_no_checkout(dir_names, options.cleanup_dir)
|
|
gclient_output = ensure_checkout(**checkout_parameters)
|
|
should_delete_dirty_file = True
|
|
except PatchFailed as e:
|
|
# Tell recipes information such as root, got_revision, etc.
|
|
emit_json(options.output_json,
|
|
did_run=True,
|
|
root=first_sln,
|
|
patch_apply_return_code=e.code,
|
|
patch_root=options.patch_root,
|
|
patch_failure=True,
|
|
failed_patch_body=e.output,
|
|
step_text='%s PATCH FAILED' % step_text,
|
|
fixed_revisions=revisions)
|
|
should_delete_dirty_file = True
|
|
raise
|
|
finally:
|
|
if should_delete_dirty_file:
|
|
try:
|
|
os.remove(dirty_path)
|
|
except OSError:
|
|
print('Dirty file %s has been removed by a different process.' %
|
|
dirty_path)
|
|
|
|
# Take care of got_revisions outputs.
|
|
revision_mapping = GOT_REVISION_MAPPINGS.get(git_slns[0]['url'], {})
|
|
if options.revision_mapping:
|
|
revision_mapping.update(options.revision_mapping)
|
|
|
|
# If the repo is not in the default GOT_REVISION_MAPPINGS and no
|
|
# revision_mapping were specified on the command line then
|
|
# default to setting 'got_revision' based on the first solution.
|
|
if not revision_mapping:
|
|
revision_mapping['got_revision'] = first_sln
|
|
|
|
got_revisions = parse_got_revision(gclient_output, revision_mapping)
|
|
|
|
if not got_revisions:
|
|
# TODO(hinoka): We should probably bail out here, but in the interest
|
|
# of giving mis-configured bots some time to get fixed use a dummy
|
|
# revision here.
|
|
got_revisions = { 'got_revision': 'BOT_UPDATE_NO_REV_FOUND' }
|
|
#raise Exception('No got_revision(s) found in gclient output')
|
|
|
|
# Tell recipes information such as root, got_revision, etc.
|
|
emit_json(options.output_json,
|
|
did_run=True,
|
|
root=first_sln,
|
|
patch_root=options.patch_root,
|
|
step_text=step_text,
|
|
fixed_revisions=revisions,
|
|
properties=got_revisions,
|
|
manifest=create_manifest())
|
|
|
|
|
|
def print_debug_info():
|
|
print("Debugging info:")
|
|
debug_params = {
|
|
'CURRENT_DIR': path.abspath(os.getcwd()),
|
|
'THIS_DIR': THIS_DIR,
|
|
'DEPOT_TOOLS_DIR': DEPOT_TOOLS_DIR,
|
|
}
|
|
for k, v in sorted(debug_params.items()):
|
|
print("%s: %r" % (k, v))
|
|
|
|
|
|
def main():
|
|
# Get inputs.
|
|
options, _ = parse_args()
|
|
|
|
# Check if this script should activate or not.
|
|
active = True
|
|
|
|
# Print a helpful message to tell developers what's going on with this step.
|
|
print_debug_info()
|
|
|
|
# Parse, manipulate, and print the gclient solutions.
|
|
specs = {}
|
|
exec(options.specs, specs)
|
|
orig_solutions = specs.get('solutions', [])
|
|
git_slns = modify_solutions(orig_solutions)
|
|
|
|
solutions_printer(git_slns)
|
|
|
|
try:
|
|
# Dun dun dun, the main part of bot_update.
|
|
# gn creates hardlinks during the build. By default, this makes
|
|
# `git reset` overwrite the sources of the hardlinks, which causes
|
|
# unnecessary rebuilds. (See crbug.com/330461#c13 for an explanation.)
|
|
with git_config_if_not_set('core.trustctime', 'false'):
|
|
revisions, step_text = prepare(options, git_slns, active)
|
|
checkout(options, git_slns, specs, revisions, step_text)
|
|
|
|
except PatchFailed as e:
|
|
# Return a specific non-zero exit code for patch failure (because it is
|
|
# a failure), but make it different than other failures to distinguish
|
|
# between infra failures (independent from patch author), and patch
|
|
# failures (that patch author can fix). However, PatchFailure due to
|
|
# download patch failure is still an infra problem.
|
|
if e.code == 3:
|
|
# Patch download problem.
|
|
return 87
|
|
# Genuine patch problem.
|
|
return 88
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|