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606 lines
20 KiB
606 lines
20 KiB
#!/usr/bin/env python
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# Copyright 2013 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import argparse
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import datetime
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import imp
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import json
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import os
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import re
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import subprocess
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import sys
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import textwrap
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import time
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import urllib2
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from git_recipes import GitRecipesMixin
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from git_recipes import GitFailedException
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PERSISTFILE_BASENAME = "PERSISTFILE_BASENAME"
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BRANCHNAME = "BRANCHNAME"
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DOT_GIT_LOCATION = "DOT_GIT_LOCATION"
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VERSION_FILE = "VERSION_FILE"
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CHANGELOG_FILE = "CHANGELOG_FILE"
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CHANGELOG_ENTRY_FILE = "CHANGELOG_ENTRY_FILE"
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COMMITMSG_FILE = "COMMITMSG_FILE"
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PATCH_FILE = "PATCH_FILE"
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def TextToFile(text, file_name):
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with open(file_name, "w") as f:
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f.write(text)
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def AppendToFile(text, file_name):
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with open(file_name, "a") as f:
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f.write(text)
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def LinesInFile(file_name):
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with open(file_name) as f:
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for line in f:
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yield line
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def FileToText(file_name):
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with open(file_name) as f:
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return f.read()
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def MSub(rexp, replacement, text):
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return re.sub(rexp, replacement, text, flags=re.MULTILINE)
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def Fill80(line):
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# Replace tabs and remove surrounding space.
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line = re.sub(r"\t", r" ", line.strip())
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# Format with 8 characters indentation and line width 80.
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return textwrap.fill(line, width=80, initial_indent=" ",
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subsequent_indent=" ")
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def MakeComment(text):
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return MSub(r"^( ?)", "#", text)
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def StripComments(text):
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# Use split not splitlines to keep terminal newlines.
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return "\n".join(filter(lambda x: not x.startswith("#"), text.split("\n")))
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def MakeChangeLogBody(commit_messages, auto_format=False):
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result = ""
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added_titles = set()
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for (title, body, author) in commit_messages:
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# TODO(machenbach): Better check for reverts. A revert should remove the
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# original CL from the actual log entry.
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title = title.strip()
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if auto_format:
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# Only add commits that set the LOG flag correctly.
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log_exp = r"^[ \t]*LOG[ \t]*=[ \t]*(?:(?:Y(?:ES)?)|TRUE)"
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if not re.search(log_exp, body, flags=re.I | re.M):
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continue
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# Never include reverts.
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if title.startswith("Revert "):
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continue
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# Don't include duplicates.
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if title in added_titles:
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continue
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# Add and format the commit's title and bug reference. Move dot to the end.
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added_titles.add(title)
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raw_title = re.sub(r"(\.|\?|!)$", "", title)
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bug_reference = MakeChangeLogBugReference(body)
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space = " " if bug_reference else ""
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result += "%s\n" % Fill80("%s%s%s." % (raw_title, space, bug_reference))
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# Append the commit's author for reference if not in auto-format mode.
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if not auto_format:
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result += "%s\n" % Fill80("(%s)" % author.strip())
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result += "\n"
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return result
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def MakeChangeLogBugReference(body):
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"""Grep for "BUG=xxxx" lines in the commit message and convert them to
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"(issue xxxx)".
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"""
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crbugs = []
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v8bugs = []
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def AddIssues(text):
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ref = re.match(r"^BUG[ \t]*=[ \t]*(.+)$", text.strip())
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if not ref:
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return
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for bug in ref.group(1).split(","):
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bug = bug.strip()
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match = re.match(r"^v8:(\d+)$", bug)
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if match: v8bugs.append(int(match.group(1)))
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else:
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match = re.match(r"^(?:chromium:)?(\d+)$", bug)
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if match: crbugs.append(int(match.group(1)))
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# Add issues to crbugs and v8bugs.
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map(AddIssues, body.splitlines())
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# Filter duplicates, sort, stringify.
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crbugs = map(str, sorted(set(crbugs)))
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v8bugs = map(str, sorted(set(v8bugs)))
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bug_groups = []
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def FormatIssues(prefix, bugs):
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if len(bugs) > 0:
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plural = "s" if len(bugs) > 1 else ""
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bug_groups.append("%sissue%s %s" % (prefix, plural, ", ".join(bugs)))
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FormatIssues("", v8bugs)
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FormatIssues("Chromium ", crbugs)
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if len(bug_groups) > 0:
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return "(%s)" % ", ".join(bug_groups)
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else:
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return ""
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# Some commands don't like the pipe, e.g. calling vi from within the script or
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# from subscripts like git cl upload.
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def Command(cmd, args="", prefix="", pipe=True):
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# TODO(machenbach): Use timeout.
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cmd_line = "%s %s %s" % (prefix, cmd, args)
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print "Command: %s" % cmd_line
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sys.stdout.flush()
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try:
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if pipe:
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return subprocess.check_output(cmd_line, shell=True)
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else:
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return subprocess.check_call(cmd_line, shell=True)
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except subprocess.CalledProcessError:
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return None
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finally:
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sys.stdout.flush()
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sys.stderr.flush()
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# Wrapper for side effects.
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class SideEffectHandler(object): # pragma: no cover
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def Call(self, fun, *args, **kwargs):
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return fun(*args, **kwargs)
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def Command(self, cmd, args="", prefix="", pipe=True):
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return Command(cmd, args, prefix, pipe)
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def ReadLine(self):
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return sys.stdin.readline().strip()
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def ReadURL(self, url, params=None):
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# pylint: disable=E1121
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url_fh = urllib2.urlopen(url, params, 60)
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try:
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return url_fh.read()
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finally:
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url_fh.close()
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def Sleep(self, seconds):
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time.sleep(seconds)
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def GetDate(self):
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return datetime.date.today().strftime("%Y-%m-%d")
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DEFAULT_SIDE_EFFECT_HANDLER = SideEffectHandler()
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class NoRetryException(Exception):
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pass
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class Step(GitRecipesMixin):
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def __init__(self, text, requires, number, config, state, options, handler):
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self._text = text
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self._requires = requires
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self._number = number
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self._config = config
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self._state = state
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self._options = options
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self._side_effect_handler = handler
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assert self._number >= 0
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assert self._config is not None
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assert self._state is not None
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assert self._side_effect_handler is not None
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def __getitem__(self, key):
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# Convenience method to allow direct [] access on step classes for
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# manipulating the backed state dict.
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return self._state[key]
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def __setitem__(self, key, value):
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# Convenience method to allow direct [] access on step classes for
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# manipulating the backed state dict.
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self._state[key] = value
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def Config(self, key):
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return self._config[key]
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def Run(self):
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# Restore state.
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state_file = "%s-state.json" % self._config[PERSISTFILE_BASENAME]
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if not self._state and os.path.exists(state_file):
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self._state.update(json.loads(FileToText(state_file)))
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# Skip step if requirement is not met.
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if self._requires and not self._state.get(self._requires):
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return
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print ">>> Step %d: %s" % (self._number, self._text)
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try:
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return self.RunStep()
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finally:
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# Persist state.
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TextToFile(json.dumps(self._state), state_file)
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def RunStep(self): # pragma: no cover
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raise NotImplementedError
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def Retry(self, cb, retry_on=None, wait_plan=None):
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""" Retry a function.
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Params:
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cb: The function to retry.
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retry_on: A callback that takes the result of the function and returns
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True if the function should be retried. A function throwing an
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exception is always retried.
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wait_plan: A list of waiting delays between retries in seconds. The
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maximum number of retries is len(wait_plan).
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"""
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retry_on = retry_on or (lambda x: False)
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wait_plan = list(wait_plan or [])
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wait_plan.reverse()
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while True:
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got_exception = False
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try:
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result = cb()
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except NoRetryException, e:
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raise e
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except Exception:
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got_exception = True
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if got_exception or retry_on(result):
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if not wait_plan: # pragma: no cover
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raise Exception("Retried too often. Giving up.")
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wait_time = wait_plan.pop()
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print "Waiting for %f seconds." % wait_time
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self._side_effect_handler.Sleep(wait_time)
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print "Retrying..."
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else:
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return result
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def ReadLine(self, default=None):
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# Don't prompt in forced mode.
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if self._options.force_readline_defaults and default is not None:
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print "%s (forced)" % default
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return default
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else:
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return self._side_effect_handler.ReadLine()
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def Git(self, args="", prefix="", pipe=True, retry_on=None):
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cmd = lambda: self._side_effect_handler.Command("git", args, prefix, pipe)
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result = self.Retry(cmd, retry_on, [5, 30])
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if result is None:
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raise GitFailedException("'git %s' failed." % args)
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return result
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def SVN(self, args="", prefix="", pipe=True, retry_on=None):
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cmd = lambda: self._side_effect_handler.Command("svn", args, prefix, pipe)
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return self.Retry(cmd, retry_on, [5, 30])
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def Editor(self, args):
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if self._options.requires_editor:
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return self._side_effect_handler.Command(os.environ["EDITOR"], args,
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pipe=False)
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def ReadURL(self, url, params=None, retry_on=None, wait_plan=None):
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wait_plan = wait_plan or [3, 60, 600]
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cmd = lambda: self._side_effect_handler.ReadURL(url, params)
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return self.Retry(cmd, retry_on, wait_plan)
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def GetDate(self):
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return self._side_effect_handler.GetDate()
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def Die(self, msg=""):
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if msg != "":
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print "Error: %s" % msg
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print "Exiting"
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raise Exception(msg)
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def DieNoManualMode(self, msg=""):
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if not self._options.manual: # pragma: no cover
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msg = msg or "Only available in manual mode."
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self.Die(msg)
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def Confirm(self, msg):
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print "%s [Y/n] " % msg,
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answer = self.ReadLine(default="Y")
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return answer == "" or answer == "Y" or answer == "y"
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def DeleteBranch(self, name):
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for line in self.GitBranch().splitlines():
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if re.match(r".*\s+%s$" % name, line):
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msg = "Branch %s exists, do you want to delete it?" % name
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if self.Confirm(msg):
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self.GitDeleteBranch(name)
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print "Branch %s deleted." % name
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else:
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msg = "Can't continue. Please delete branch %s and try again." % name
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self.Die(msg)
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def InitialEnvironmentChecks(self):
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# Cancel if this is not a git checkout.
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if not os.path.exists(self._config[DOT_GIT_LOCATION]): # pragma: no cover
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self.Die("This is not a git checkout, this script won't work for you.")
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# Cancel if EDITOR is unset or not executable.
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if (self._options.requires_editor and (not os.environ.get("EDITOR") or
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Command("which", os.environ["EDITOR"]) is None)): # pragma: no cover
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self.Die("Please set your EDITOR environment variable, you'll need it.")
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def CommonPrepare(self):
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# Check for a clean workdir.
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if not self.GitIsWorkdirClean(): # pragma: no cover
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self.Die("Workspace is not clean. Please commit or undo your changes.")
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# Persist current branch.
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self["current_branch"] = self.GitCurrentBranch()
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# Fetch unfetched revisions.
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self.GitSVNFetch()
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def PrepareBranch(self):
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# Delete the branch that will be created later if it exists already.
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self.DeleteBranch(self._config[BRANCHNAME])
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def CommonCleanup(self):
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self.GitCheckout(self["current_branch"])
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if self._config[BRANCHNAME] != self["current_branch"]:
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self.GitDeleteBranch(self._config[BRANCHNAME])
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# Clean up all temporary files.
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Command("rm", "-f %s*" % self._config[PERSISTFILE_BASENAME])
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def ReadAndPersistVersion(self, prefix=""):
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def ReadAndPersist(var_name, def_name):
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match = re.match(r"^#define %s\s+(\d*)" % def_name, line)
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if match:
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value = match.group(1)
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self["%s%s" % (prefix, var_name)] = value
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for line in LinesInFile(self._config[VERSION_FILE]):
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for (var_name, def_name) in [("major", "MAJOR_VERSION"),
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("minor", "MINOR_VERSION"),
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("build", "BUILD_NUMBER"),
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("patch", "PATCH_LEVEL")]:
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ReadAndPersist(var_name, def_name)
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def WaitForLGTM(self):
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print ("Please wait for an LGTM, then type \"LGTM<Return>\" to commit "
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"your change. (If you need to iterate on the patch or double check "
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"that it's sane, do so in another shell, but remember to not "
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"change the headline of the uploaded CL.")
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answer = ""
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while answer != "LGTM":
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print "> ",
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answer = self.ReadLine(None if self._options.wait_for_lgtm else "LGTM")
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if answer != "LGTM":
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print "That was not 'LGTM'."
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def WaitForResolvingConflicts(self, patch_file):
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print("Applying the patch \"%s\" failed. Either type \"ABORT<Return>\", "
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"or resolve the conflicts, stage *all* touched files with "
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"'git add', and type \"RESOLVED<Return>\"")
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self.DieNoManualMode()
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answer = ""
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while answer != "RESOLVED":
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if answer == "ABORT":
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self.Die("Applying the patch failed.")
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if answer != "":
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print "That was not 'RESOLVED' or 'ABORT'."
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print "> ",
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answer = self.ReadLine()
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# Takes a file containing the patch to apply as first argument.
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def ApplyPatch(self, patch_file, revert=False):
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try:
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self.GitApplyPatch(patch_file, revert)
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except GitFailedException:
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self.WaitForResolvingConflicts(patch_file)
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def FindLastTrunkPush(self, parent_hash="", include_patches=False):
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push_pattern = "^Version [[:digit:]]*\.[[:digit:]]*\.[[:digit:]]*"
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if not include_patches:
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# Non-patched versions only have three numbers followed by the "(based
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# on...) comment."
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push_pattern += " (based"
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branch = "" if parent_hash else "svn/trunk"
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return self.GitLog(n=1, format="%H", grep=push_pattern,
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parent_hash=parent_hash, branch=branch)
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class UploadStep(Step):
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MESSAGE = "Upload for code review."
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def RunStep(self):
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if self._options.reviewer:
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print "Using account %s for review." % self._options.reviewer
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reviewer = self._options.reviewer
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else:
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print "Please enter the email address of a V8 reviewer for your patch: ",
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self.DieNoManualMode("A reviewer must be specified in forced mode.")
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reviewer = self.ReadLine()
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self.GitUpload(reviewer, self._options.author, self._options.force_upload)
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class DetermineV8Sheriff(Step):
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MESSAGE = "Determine the V8 sheriff for code review."
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def RunStep(self):
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self["sheriff"] = None
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if not self._options.sheriff: # pragma: no cover
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return
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try:
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# The googlers mapping maps @google.com accounts to @chromium.org
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# accounts.
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googlers = imp.load_source('googlers_mapping',
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self._options.googlers_mapping)
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googlers = googlers.list_to_dict(googlers.get_list())
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except: # pragma: no cover
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print "Skip determining sheriff without googler mapping."
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return
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# The sheriff determined by the rotation on the waterfall has a
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# @google.com account.
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url = "https://chromium-build.appspot.com/p/chromium/sheriff_v8.js"
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match = re.match(r"document\.write\('(\w+)'\)", self.ReadURL(url))
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# If "channel is sheriff", we can't match an account.
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if match:
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g_name = match.group(1)
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self["sheriff"] = googlers.get(g_name + "@google.com",
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g_name + "@chromium.org")
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self._options.reviewer = self["sheriff"]
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print "Found active sheriff: %s" % self["sheriff"]
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else:
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print "No active sheriff found."
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|
|
|
def MakeStep(step_class=Step, number=0, state=None, config=None,
|
|
options=None, side_effect_handler=DEFAULT_SIDE_EFFECT_HANDLER):
|
|
# Allow to pass in empty dictionaries.
|
|
state = state if state is not None else {}
|
|
config = config if config is not None else {}
|
|
|
|
try:
|
|
message = step_class.MESSAGE
|
|
except AttributeError:
|
|
message = step_class.__name__
|
|
try:
|
|
requires = step_class.REQUIRES
|
|
except AttributeError:
|
|
requires = None
|
|
|
|
return step_class(message, requires, number=number, config=config,
|
|
state=state, options=options,
|
|
handler=side_effect_handler)
|
|
|
|
|
|
class ScriptsBase(object):
|
|
# TODO(machenbach): Move static config here.
|
|
def __init__(self, config, side_effect_handler=DEFAULT_SIDE_EFFECT_HANDLER,
|
|
state=None):
|
|
self._config = config
|
|
self._side_effect_handler = side_effect_handler
|
|
self._state = state if state is not None else {}
|
|
|
|
def _Description(self):
|
|
return None
|
|
|
|
def _PrepareOptions(self, parser):
|
|
pass
|
|
|
|
def _ProcessOptions(self, options):
|
|
return True
|
|
|
|
def _Steps(self): # pragma: no cover
|
|
raise Exception("Not implemented.")
|
|
|
|
def MakeOptions(self, args=None):
|
|
parser = argparse.ArgumentParser(description=self._Description())
|
|
parser.add_argument("-a", "--author", default="",
|
|
help="The author email used for rietveld.")
|
|
parser.add_argument("-g", "--googlers-mapping",
|
|
help="Path to the script mapping google accounts.")
|
|
parser.add_argument("-r", "--reviewer", default="",
|
|
help="The account name to be used for reviews.")
|
|
parser.add_argument("--sheriff", default=False, action="store_true",
|
|
help=("Determine current sheriff to review CLs. On "
|
|
"success, this will overwrite the reviewer "
|
|
"option."))
|
|
parser.add_argument("-s", "--step",
|
|
help="Specify the step where to start work. Default: 0.",
|
|
default=0, type=int)
|
|
|
|
self._PrepareOptions(parser)
|
|
|
|
if args is None: # pragma: no cover
|
|
options = parser.parse_args()
|
|
else:
|
|
options = parser.parse_args(args)
|
|
|
|
# Process common options.
|
|
if options.step < 0: # pragma: no cover
|
|
print "Bad step number %d" % options.step
|
|
parser.print_help()
|
|
return None
|
|
if options.sheriff and not options.googlers_mapping: # pragma: no cover
|
|
print "To determine the current sheriff, requires the googler mapping"
|
|
parser.print_help()
|
|
return None
|
|
|
|
# Defaults for options, common to all scripts.
|
|
options.manual = getattr(options, "manual", True)
|
|
options.force = getattr(options, "force", False)
|
|
|
|
# Derived options.
|
|
options.requires_editor = not options.force
|
|
options.wait_for_lgtm = not options.force
|
|
options.force_readline_defaults = not options.manual
|
|
options.force_upload = not options.manual
|
|
|
|
# Process script specific options.
|
|
if not self._ProcessOptions(options):
|
|
parser.print_help()
|
|
return None
|
|
return options
|
|
|
|
def RunSteps(self, step_classes, args=None):
|
|
options = self.MakeOptions(args)
|
|
if not options:
|
|
return 1
|
|
|
|
state_file = "%s-state.json" % self._config[PERSISTFILE_BASENAME]
|
|
if options.step == 0 and os.path.exists(state_file):
|
|
os.remove(state_file)
|
|
|
|
steps = []
|
|
for (number, step_class) in enumerate(step_classes):
|
|
steps.append(MakeStep(step_class, number, self._state, self._config,
|
|
options, self._side_effect_handler))
|
|
for step in steps[options.step:]:
|
|
if step.Run():
|
|
return 1
|
|
return 0
|
|
|
|
def Run(self, args=None):
|
|
return self.RunSteps(self._Steps(), args)
|
|
|