mirror of
https://github.com/classilla/tenfourfox.git
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421 lines
15 KiB
Python
421 lines
15 KiB
Python
# Copyright (c) 2009, Google Inc. All rights reserved.
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# Copyright (c) 2009 Apple Inc. All rights reserved.
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#
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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 disclaimer
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# in the documentation and/or other materials provided with the
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# 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 from
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# 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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#
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# Python module for interacting with an SCM system (like SVN or Git)
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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 WebKit-specific modules.
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from modules.logging import error, log
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def detect_scm_system(path):
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if HG.in_working_directory(path):
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return HG(cwd=path)
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if SVN.in_working_directory(path):
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return SVN(cwd=path)
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if Git.in_working_directory(path):
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return Git(cwd=path)
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raise ScriptError("working directory is not a HG/SVN/Git repo")
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def first_non_empty_line_after_index(lines, index=0):
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first_non_empty_line = index
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for line in lines[index:]:
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if re.match("^\s*$", line):
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first_non_empty_line += 1
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else:
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break
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return first_non_empty_line
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class CommitMessage:
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def __init__(self, message):
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self.message_lines = message[first_non_empty_line_after_index(message, 0):]
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def body(self, lstrip=False):
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lines = self.message_lines[first_non_empty_line_after_index(self.message_lines, 1):]
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if lstrip:
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lines = [line.lstrip() for line in lines]
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return "\n".join(lines) + "\n"
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def description(self, lstrip=False, strip_url=False):
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line = self.message_lines[0]
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if lstrip:
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line = line.lstrip()
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if strip_url:
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line = re.sub("^(\s*)<.+> ", "\1", line)
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return line
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def message(self):
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return "\n".join(self.message_lines) + "\n"
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def parse_bug_id(self):
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for line in self.message_lines:
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match = re.search("http\://webkit\.org/b/(?P<bug_id>\d+)", line)
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if match:
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return match.group('bug_id')
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match = re.search(Bugzilla.bug_server_regex + "show_bug\.cgi\?id=(?P<bug_id>\d+)", line)
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if match:
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return match.group('bug_id')
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return None
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class ScriptError(Exception):
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pass
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class SCM:
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def __init__(self, cwd, dryrun=False):
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self.cwd = cwd
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self.checkout_root = self.find_checkout_root(self.cwd)
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self.dryrun = dryrun
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@staticmethod
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def run_command(args, cwd=None, input=None, raise_on_failure=True, return_exit_code=False):
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stdin = subprocess.PIPE if input else None
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process = subprocess.Popen(args, stdout=subprocess.PIPE, stdin=stdin, cwd=cwd)
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output = process.communicate(input)[0].rstrip()
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exit_code = process.wait()
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if raise_on_failure and exit_code:
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raise ScriptError('Failed to run "%s" exit_code: %d cwd: %s' % (args, exit_code, cwd))
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if return_exit_code:
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return exit_code
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return output
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def script_path(self, script_name):
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return os.path.join(self.checkout_root, "WebKitTools", "Scripts", script_name)
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def ensure_clean_working_directory(self, force):
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if not force and not self.working_directory_is_clean():
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print self.run_command(self.status_command(), raise_on_failure=False)
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error("Working directory has modifications, pass --force-clean or --no-clean to continue.")
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log("Cleaning working directory")
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self.clean_working_directory()
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def ensure_no_local_commits(self, force):
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if not self.supports_local_commits():
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return
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commits = self.local_commits()
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if not len(commits):
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return
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if not force:
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error("Working directory has local commits, pass --force-clean to continue.")
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self.discard_local_commits()
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def apply_patch(self, patch):
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# It's possible that the patch was not made from the root directory.
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# We should detect and handle that case.
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curl_process = subprocess.Popen(['curl', patch['url']], stdout=subprocess.PIPE)
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patch_apply_process = subprocess.Popen([self.script_path('svn-apply'), '--reviewer', patch['reviewer']], stdin=curl_process.stdout)
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return_code = patch_apply_process.wait()
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if return_code:
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raise ScriptError("Patch %s from bug %s failed to download and apply." % (patch['url'], patch['bug_id']))
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def run_status_and_extract_filenames(self, status_command, status_regexp):
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filenames = []
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for line in self.run_command(status_command).splitlines():
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match = re.search(status_regexp, line)
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if not match:
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continue
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# status = match.group('status')
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filename = match.group('filename')
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filenames.append(filename)
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return filenames
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@staticmethod
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def in_working_directory(path):
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raise NotImplementedError, "subclasses must implement"
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@staticmethod
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def find_checkout_root(path):
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raise NotImplementedError, "subclasses must implement"
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@staticmethod
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def commit_success_regexp():
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raise NotImplementedError, "subclasses must implement"
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def working_directory_is_clean(self):
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raise NotImplementedError, "subclasses must implement"
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def clean_working_directory(self):
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raise NotImplementedError, "subclasses must implement"
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def update_webkit(self):
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raise NotImplementedError, "subclasses must implement"
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def status_command(self):
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raise NotImplementedError, "subclasses must implement"
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def changed_files(self):
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raise NotImplementedError, "subclasses must implement"
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def display_name(self):
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raise NotImplementedError, "subclasses must implement"
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def create_patch(self):
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raise NotImplementedError, "subclasses must implement"
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def commit_with_message(self, message):
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raise NotImplementedError, "subclasses must implement"
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# Subclasses must indicate if they support local commits,
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# but the SCM baseclass will only call local_commits methods when this is true.
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@staticmethod
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def supports_local_commits():
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raise NotImplementedError, "subclasses must implement"
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def create_patch_from_local_commit(self, commit_id):
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pass
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def commit_locally_with_message(self, message):
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pass
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def discard_local_commits(self):
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pass
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def local_commits(self):
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return []
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class SVN(SCM):
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def __init__(self, cwd, dryrun=False):
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SCM.__init__(self, cwd, dryrun)
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self.cached_version = None
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@staticmethod
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def in_working_directory(path):
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return os.path.isdir(os.path.join(path, '.svn'))
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@staticmethod
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def find_uuid(path):
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if not SVN.in_working_directory(path):
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return None
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info = SVN.run_command(['svn', 'info', path])
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match = re.search("^Repository UUID: (?P<uuid>.+)$", info, re.MULTILINE)
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if not match:
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raise ScriptError('svn info did not contain a UUID.')
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return match.group('uuid')
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@staticmethod
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def find_checkout_root(path):
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uuid = SVN.find_uuid(path)
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# If |path| is not in a working directory, we're supposed to return |path|.
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if not uuid:
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return path
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# Search up the directory hierarchy until we find a different UUID.
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last_path = None
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while True:
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if uuid != SVN.find_uuid(path):
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return last_path
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last_path = path
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(path, last_component) = os.path.split(path)
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if last_path == path:
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return None
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@staticmethod
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def commit_success_regexp():
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return "^Committed revision (?P<svn_revision>\d+)\.$"
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def svn_version(self):
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if not self.cached_version:
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self.cached_version = self.run_command(['svn', '--version', '--quiet'])
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return self.cached_version
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def working_directory_is_clean(self):
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return self.run_command(['svn', 'diff']) == ""
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def clean_working_directory(self):
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self.run_command(['svn', 'revert', '-R', '.'])
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def update_webkit(self):
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self.run_command(self.script_path("update-webkit"))
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def status_command(self):
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return ['svn', 'status']
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def changed_files(self):
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if self.svn_version() > "1.6":
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status_regexp = "^(?P<status>[ACDMR]).{6} (?P<filename>.+)$"
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else:
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status_regexp = "^(?P<status>[ACDMR]).{5} (?P<filename>.+)$"
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return self.run_status_and_extract_filenames(self.status_command(), status_regexp)
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@staticmethod
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def supports_local_commits():
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return False
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def display_name(self):
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return "svn"
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def create_patch(self):
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return self.run_command(self.script_path("svn-create-patch"))
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def commit_with_message(self, message):
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if self.dryrun:
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return "Dry run, no remote commit."
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return self.run_command(['svn', 'commit', '-m', message])
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# All git-specific logic should go here.
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class Git(SCM):
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def __init__(self, cwd, dryrun=False):
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SCM.__init__(self, cwd, dryrun)
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@classmethod
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def in_working_directory(cls, path):
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return cls.run_command(['git', 'rev-parse', '--is-inside-work-tree'], raise_on_failure=False, cwd=path) == "true"
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@classmethod
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def find_checkout_root(cls, path):
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# "git rev-parse --show-cdup" would be another way to get to the root
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(checkout_root, dot_git) = os.path.split(cls.run_command(['git', 'rev-parse', '--git-dir'], cwd=path))
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# If we were using 2.6 # checkout_root = os.path.relpath(checkout_root, path)
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if not os.path.isabs(checkout_root): # Sometimes git returns relative paths
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checkout_root = os.path.join(path, checkout_root)
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return checkout_root
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@staticmethod
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def commit_success_regexp():
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return "^Committed r(?P<svn_revision>\d+)$"
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def discard_local_commits(self):
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self.run_command(['git', 'reset', '--hard', 'trunk'])
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def local_commits(self):
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return self.run_command(['git', 'log', '--pretty=oneline', 'HEAD...trunk']).splitlines()
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def working_directory_is_clean(self):
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return self.run_command(['git', 'diff-index', 'HEAD']) == ""
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def clean_working_directory(self):
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# Could run git clean here too, but that wouldn't match working_directory_is_clean
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self.run_command(['git', 'reset', '--hard', 'HEAD'])
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def update_webkit(self):
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# FIXME: Should probably call update-webkit, no?
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log("Updating working directory")
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self.run_command(['git', 'svn', 'rebase'])
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def status_command(self):
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return ['git', 'status']
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def changed_files(self):
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status_command = ['git', 'diff', '-r', '--name-status', '-C', '-M', 'HEAD']
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status_regexp = '^(?P<status>[ADM])\t(?P<filename>.+)$'
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return self.run_status_and_extract_filenames(status_command, status_regexp)
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@staticmethod
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def supports_local_commits():
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return True
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def display_name(self):
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return "git"
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def create_patch(self):
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return self.run_command(['git', 'diff', 'HEAD'])
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def commit_with_message(self, message):
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self.commit_locally_with_message(message)
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return self.push_local_commits_to_server()
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# Git-specific methods:
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def create_patch_from_local_commit(self, commit_id):
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return self.run_command(['git', 'diff', commit_id + "^.." + commit_id])
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def commit_locally_with_message(self, message):
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self.run_command(['git', 'commit', '--all', '-F', '-'], input=message)
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def push_local_commits_to_server(self):
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if self.dryrun:
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return "Dry run, no remote commit."
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return self.run_command(['git', 'svn', 'dcommit'])
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def commit_ids_from_range_arguments(self, args, cherry_pick=False):
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# First get the commit-ids for the passed in revisions.
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revisions = self.run_command(['git', 'rev-parse', '--revs-only'] + args).splitlines()
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if cherry_pick:
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return revisions
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# If we're not cherry picking and were only passed one revision, assume "^revision head" aka "revision..head".
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if len(revisions) < 2:
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revisions[0] = "^" + revisions[0]
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revisions.append("HEAD")
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return self.run_command(['git', 'rev-list'] + revisions).splitlines()
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def commit_message_for_local_commit(self, commit_id):
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commit_lines = self.run_command(['git', 'cat-file', 'commit', commit_id]).splitlines()
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# Skip the git headers.
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first_line_after_headers = 0
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for line in commit_lines:
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first_line_after_headers += 1
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if line == "":
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break
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return CommitMessage(commit_lines[first_line_after_headers:])
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def files_changed_summary_for_commit(self, commit_id):
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return self.run_command(['git', 'diff-tree', '--shortstat', '--no-commit-id', commit_id])
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# All hg-specific logic should go here.
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class HG(SCM):
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def __init__(self, cwd, dryrun=False):
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SCM.__init__(self, cwd, dryrun)
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@classmethod
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def in_working_directory(cls, path):
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return cls.run_command(['hg', 'status'], cwd=path, return_exit_code=True) == 0
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@classmethod
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def find_checkout_root(cls, path):
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checkout_root = cls.run_command(['hg', 'root'], cwd=path)
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return checkout_root
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def status_command(self):
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return ['hg', 'status']
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def display_name(self):
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return "hg"
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def create_patch(self):
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if self.run_command(['hg', 'diff']) != "":
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sys.stderr.write("Warning: outstanding changes not include in style check.\n")
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return self.run_command(['hg', 'export', 'tip'])
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