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			1225 lines
		
	
	
		
			49 KiB
		
	
	
	
		
			Python
		
	
			
		
		
	
	
			1225 lines
		
	
	
		
			49 KiB
		
	
	
	
		
			Python
		
	
# Copyright (c) 2012 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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"""Gclient-specific SCM-specific operations."""
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import logging
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import os
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import posixpath
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import re
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import sys
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import time
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import gclient_utils
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import scm
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import subprocess2
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class DiffFiltererWrapper(object):
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  """Simple base class which tracks which file is being diffed and
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  replaces instances of its file name in the original and
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  working copy lines of the svn/git diff output."""
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  index_string = None
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  original_prefix = "--- "
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  working_prefix = "+++ "
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  def __init__(self, relpath):
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    # Note that we always use '/' as the path separator to be
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    # consistent with svn's cygwin-style output on Windows
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    self._relpath = relpath.replace("\\", "/")
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    self._current_file = None
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  def SetCurrentFile(self, current_file):
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    self._current_file = current_file
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  @property 
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  def _replacement_file(self): 
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    return posixpath.join(self._relpath, self._current_file)
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  def _Replace(self, line):
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    return line.replace(self._current_file, self._replacement_file)
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  def Filter(self, line):
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    if (line.startswith(self.index_string)):
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      self.SetCurrentFile(line[len(self.index_string):])
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      line = self._Replace(line)
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    else:
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      if (line.startswith(self.original_prefix) or
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          line.startswith(self.working_prefix)):
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        line = self._Replace(line)
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    print(line)
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class SvnDiffFilterer(DiffFiltererWrapper):
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  index_string = "Index: "
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class GitDiffFilterer(DiffFiltererWrapper):
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  index_string = "diff --git "
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  def SetCurrentFile(self, current_file):
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    # Get filename by parsing "a/<filename> b/<filename>"
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    self._current_file = current_file[:(len(current_file)/2)][2:]
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  def _Replace(self, line):
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    return re.sub("[a|b]/" + self._current_file, self._replacement_file, line)
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def ask_for_data(prompt):
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  try:
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    return raw_input(prompt)
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  except KeyboardInterrupt:
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    # Hide the exception.
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    sys.exit(1)
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### SCM abstraction layer
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# Factory Method for SCM wrapper creation
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def GetScmName(url):
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  if url:
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    url, _ = gclient_utils.SplitUrlRevision(url)
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    if (url.startswith('git://') or url.startswith('ssh://') or
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        url.startswith('git+http://') or url.startswith('git+https://') or
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        url.endswith('.git')):
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      return 'git'
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    elif (url.startswith('http://') or url.startswith('https://') or
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          url.startswith('svn://') or url.startswith('svn+ssh://')):
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      return 'svn'
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  return None
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def CreateSCM(url, root_dir=None, relpath=None):
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  SCM_MAP = {
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    'svn' : SVNWrapper,
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    'git' : GitWrapper,
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  }
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  scm_name = GetScmName(url)
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  if not scm_name in SCM_MAP:
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    raise gclient_utils.Error('No SCM found for url %s' % url)
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  scm_class = SCM_MAP[scm_name]
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  if not scm_class.BinaryExists():
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    raise gclient_utils.Error('%s command not found' % scm_name)
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  return scm_class(url, root_dir, relpath)
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# SCMWrapper base class
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class SCMWrapper(object):
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  """Add necessary glue between all the supported SCM.
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  This is the abstraction layer to bind to different SCM.
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  """
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  def __init__(self, url=None, root_dir=None, relpath=None):
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    self.url = url
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    self._root_dir = root_dir
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    if self._root_dir:
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      self._root_dir = self._root_dir.replace('/', os.sep)
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    self.relpath = relpath
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    if self.relpath:
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      self.relpath = self.relpath.replace('/', os.sep)
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    if self.relpath and self._root_dir:
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      self.checkout_path = os.path.join(self._root_dir, self.relpath)
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  def RunCommand(self, command, options, args, file_list=None):
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    # file_list will have all files that are modified appended to it.
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    if file_list is None:
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      file_list = []
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    commands = ['cleanup', 'update', 'updatesingle', 'revert',
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                'revinfo', 'status', 'diff', 'pack', 'runhooks']
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    if not command in commands:
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      raise gclient_utils.Error('Unknown command %s' % command)
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						|
    if not command in dir(self):
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      raise gclient_utils.Error('Command %s not implemented in %s wrapper' % (
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          command, self.__class__.__name__))
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    return getattr(self, command)(options, args, file_list)
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class GitWrapper(SCMWrapper):
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  """Wrapper for Git"""
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  def __init__(self, url=None, root_dir=None, relpath=None):
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    """Removes 'git+' fake prefix from git URL."""
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    if url.startswith('git+http://') or url.startswith('git+https://'):
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      url = url[4:]
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    SCMWrapper.__init__(self, url, root_dir, relpath)
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  @staticmethod
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  def BinaryExists():
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    """Returns true if the command exists."""
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    try:
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      # We assume git is newer than 1.7.  See: crbug.com/114483
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      result, version = scm.GIT.AssertVersion('1.7')
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      if not result:
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        raise gclient_utils.Error('Git version is older than 1.7: %s' % version)
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      return result
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    except OSError:
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      return False
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  def GetRevisionDate(self, revision):
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    """Returns the given revision's date in ISO-8601 format (which contains the
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    time zone)."""
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    # TODO(floitsch): get the time-stamp of the given revision and not just the
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    # time-stamp of the currently checked out revision.
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    return self._Capture(['log', '-n', '1', '--format=%ai'])
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  @staticmethod
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  def cleanup(options, args, file_list):
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    """'Cleanup' the repo.
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    There's no real git equivalent for the svn cleanup command, do a no-op.
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    """
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  def diff(self, options, args, file_list):
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						|
    merge_base = self._Capture(['merge-base', 'HEAD', 'origin'])
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    self._Run(['diff', merge_base], options)
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  def pack(self, options, args, file_list):
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    """Generates a patch file which can be applied to the root of the
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    repository.
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    The patch file is generated from a diff of the merge base of HEAD and
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    its upstream branch.
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    """
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    merge_base = self._Capture(['merge-base', 'HEAD', 'origin'])
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    gclient_utils.CheckCallAndFilter(
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        ['git', 'diff', merge_base],
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        cwd=self.checkout_path,
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        filter_fn=GitDiffFilterer(self.relpath).Filter)
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  def UpdateSubmoduleConfig(self):
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    submod_cmd = ['git', 'config', '-f', '$toplevel/.git/config',
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                  'submodule.$name.ignore', '||',
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                  'git', 'config', '-f', '$toplevel/.git/config',
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                  'submodule.$name.ignore', 'all']
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    cmd = ['git', 'submodule', '--quiet', 'foreach', ' '.join(submod_cmd)]
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    cmd2 = ['git', 'config', 'diff.ignoreSubmodules', 'all']
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    cmd3 = ['git', 'config', 'branch.autosetupmerge']
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    kwargs = {'cwd': self.checkout_path,
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						|
              'print_stdout': False,
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						|
              'filter_fn': lambda x: None}
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						|
    try:
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						|
      gclient_utils.CheckCallAndFilter(cmd, **kwargs)
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						|
      gclient_utils.CheckCallAndFilter(cmd2, **kwargs)
 | 
						|
    except subprocess2.CalledProcessError:
 | 
						|
      # Not a fatal error, or even very interesting in a non-git-submodule
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						|
      # world.  So just keep it quiet.
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						|
      pass
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						|
    try:
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						|
      gclient_utils.CheckCallAndFilter(cmd3, **kwargs)
 | 
						|
    except subprocess2.CalledProcessError:
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						|
      gclient_utils.CheckCallAndFilter(cmd3 + ['always'], **kwargs)
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 | 
						|
  def update(self, options, args, file_list):
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						|
    """Runs git to update or transparently checkout the working copy.
 | 
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 | 
						|
    All updated files will be appended to file_list.
 | 
						|
 | 
						|
    Raises:
 | 
						|
      Error: if can't get URL for relative path.
 | 
						|
    """
 | 
						|
    if args:
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      raise gclient_utils.Error("Unsupported argument(s): %s" % ",".join(args))
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 | 
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    self._CheckMinVersion("1.6.6")
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    default_rev = "refs/heads/master"
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						|
    url, deps_revision = gclient_utils.SplitUrlRevision(self.url)
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    rev_str = ""
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    revision = deps_revision
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    managed = True
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						|
    if options.revision:
 | 
						|
      # Override the revision number.
 | 
						|
      revision = str(options.revision)
 | 
						|
    if revision == 'unmanaged':
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      revision = None
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      managed = False
 | 
						|
    if not revision:
 | 
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      revision = default_rev
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 | 
						|
    if gclient_utils.IsDateRevision(revision):
 | 
						|
      # Date-revisions only work on git-repositories if the reflog hasn't
 | 
						|
      # expired yet. Use rev-list to get the corresponding revision.
 | 
						|
      #  git rev-list -n 1 --before='time-stamp' branchname
 | 
						|
      if options.transitive:
 | 
						|
        print('Warning: --transitive only works for SVN repositories.')
 | 
						|
        revision = default_rev
 | 
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 | 
						|
    rev_str = ' at %s' % revision
 | 
						|
    files = []
 | 
						|
 | 
						|
    printed_path = False
 | 
						|
    verbose = []
 | 
						|
    if options.verbose:
 | 
						|
      print('\n_____ %s%s' % (self.relpath, rev_str))
 | 
						|
      verbose = ['--verbose']
 | 
						|
      printed_path = True
 | 
						|
 | 
						|
    if revision.startswith('refs/heads/'):
 | 
						|
      rev_type = "branch"
 | 
						|
    elif revision.startswith('origin/'):
 | 
						|
      # For compatability with old naming, translate 'origin' to 'refs/heads'
 | 
						|
      revision = revision.replace('origin/', 'refs/heads/')
 | 
						|
      rev_type = "branch"
 | 
						|
    else:
 | 
						|
      # hash is also a tag, only make a distinction at checkout
 | 
						|
      rev_type = "hash"
 | 
						|
 | 
						|
    if not os.path.exists(self.checkout_path) or (
 | 
						|
        os.path.isdir(self.checkout_path) and
 | 
						|
        not os.listdir(self.checkout_path)):
 | 
						|
      gclient_utils.safe_makedirs(os.path.dirname(self.checkout_path))
 | 
						|
      self._Clone(revision, url, options)
 | 
						|
      self.UpdateSubmoduleConfig()
 | 
						|
      files = self._Capture(['ls-files']).splitlines()
 | 
						|
      file_list.extend([os.path.join(self.checkout_path, f) for f in files])
 | 
						|
      if not verbose:
 | 
						|
        # Make the output a little prettier. It's nice to have some whitespace
 | 
						|
        # between projects when cloning.
 | 
						|
        print('')
 | 
						|
      return
 | 
						|
 | 
						|
    if not managed:
 | 
						|
      self.UpdateSubmoduleConfig()
 | 
						|
      print ('________ unmanaged solution; skipping %s' % self.relpath)
 | 
						|
      return
 | 
						|
 | 
						|
    if not os.path.exists(os.path.join(self.checkout_path, '.git')):
 | 
						|
      raise gclient_utils.Error('\n____ %s%s\n'
 | 
						|
                                '\tPath is not a git repo. No .git dir.\n'
 | 
						|
                                '\tTo resolve:\n'
 | 
						|
                                '\t\trm -rf %s\n'
 | 
						|
                                '\tAnd run gclient sync again\n'
 | 
						|
                                % (self.relpath, rev_str, self.relpath))
 | 
						|
 | 
						|
    # See if the url has changed (the unittests use git://foo for the url, let
 | 
						|
    # that through).
 | 
						|
    current_url = self._Capture(['config', 'remote.origin.url'])
 | 
						|
    # TODO(maruel): Delete url != 'git://foo' since it's just to make the
 | 
						|
    # unit test pass. (and update the comment above)
 | 
						|
    if current_url != url and url != 'git://foo':
 | 
						|
      print('_____ switching %s to a new upstream' % self.relpath)
 | 
						|
      # Make sure it's clean
 | 
						|
      self._CheckClean(rev_str)
 | 
						|
      # Switch over to the new upstream
 | 
						|
      self._Run(['remote', 'set-url', 'origin', url], options)
 | 
						|
      quiet = []
 | 
						|
      if not options.verbose:
 | 
						|
        quiet = ['--quiet']
 | 
						|
      self._Run(['fetch', 'origin', '--prune'] + quiet, options)
 | 
						|
      self._Run(['reset', '--hard', revision] + quiet, options)
 | 
						|
      self.UpdateSubmoduleConfig()
 | 
						|
      files = self._Capture(['ls-files']).splitlines()
 | 
						|
      file_list.extend([os.path.join(self.checkout_path, f) for f in files])
 | 
						|
      return
 | 
						|
 | 
						|
    cur_branch = self._GetCurrentBranch()
 | 
						|
 | 
						|
    # Cases:
 | 
						|
    # 0) HEAD is detached. Probably from our initial clone.
 | 
						|
    #   - make sure HEAD is contained by a named ref, then update.
 | 
						|
    # Cases 1-4. HEAD is a branch.
 | 
						|
    # 1) current branch is not tracking a remote branch (could be git-svn)
 | 
						|
    #   - try to rebase onto the new hash or branch
 | 
						|
    # 2) current branch is tracking a remote branch with local committed
 | 
						|
    #    changes, but the DEPS file switched to point to a hash
 | 
						|
    #   - rebase those changes on top of the hash
 | 
						|
    # 3) current branch is tracking a remote branch w/or w/out changes,
 | 
						|
    #    no switch
 | 
						|
    #   - see if we can FF, if not, prompt the user for rebase, merge, or stop
 | 
						|
    # 4) current branch is tracking a remote branch, switches to a different
 | 
						|
    #    remote branch
 | 
						|
    #   - exit
 | 
						|
 | 
						|
    # GetUpstreamBranch returns something like 'refs/remotes/origin/master' for
 | 
						|
    # a tracking branch
 | 
						|
    # or 'master' if not a tracking branch (it's based on a specific rev/hash)
 | 
						|
    # or it returns None if it couldn't find an upstream
 | 
						|
    if cur_branch is None:
 | 
						|
      upstream_branch = None
 | 
						|
      current_type = "detached"
 | 
						|
      logging.debug("Detached HEAD")
 | 
						|
    else:
 | 
						|
      upstream_branch = scm.GIT.GetUpstreamBranch(self.checkout_path)
 | 
						|
      if not upstream_branch or not upstream_branch.startswith('refs/remotes'):
 | 
						|
        current_type = "hash"
 | 
						|
        logging.debug("Current branch is not tracking an upstream (remote)"
 | 
						|
                      " branch.")
 | 
						|
      elif upstream_branch.startswith('refs/remotes'):
 | 
						|
        current_type = "branch"
 | 
						|
      else:
 | 
						|
        raise gclient_utils.Error('Invalid Upstream: %s' % upstream_branch)
 | 
						|
 | 
						|
    if (not re.match(r'^[0-9a-fA-F]{40}$', revision) or
 | 
						|
        not scm.GIT.IsValidRevision(cwd=self.checkout_path, rev=revision)):
 | 
						|
      # Update the remotes first so we have all the refs.
 | 
						|
      backoff_time = 5
 | 
						|
      for _ in range(10):
 | 
						|
        try:
 | 
						|
          remote_output = scm.GIT.Capture(
 | 
						|
              ['remote'] + verbose + ['update'],
 | 
						|
              cwd=self.checkout_path)
 | 
						|
          break
 | 
						|
        except subprocess2.CalledProcessError, e:
 | 
						|
          # Hackish but at that point, git is known to work so just checking for
 | 
						|
          # 502 in stderr should be fine.
 | 
						|
          if '502' in e.stderr:
 | 
						|
            print(str(e))
 | 
						|
            print('Sleeping %.1f seconds and retrying...' % backoff_time)
 | 
						|
            time.sleep(backoff_time)
 | 
						|
            backoff_time *= 1.3
 | 
						|
            continue
 | 
						|
          raise
 | 
						|
 | 
						|
      if verbose:
 | 
						|
        print(remote_output.strip())
 | 
						|
 | 
						|
    # This is a big hammer, debatable if it should even be here...
 | 
						|
    if options.force or options.reset:
 | 
						|
      self._Run(['reset', '--hard', 'HEAD'], options)
 | 
						|
 | 
						|
    if current_type == 'detached':
 | 
						|
      # case 0
 | 
						|
      self._CheckClean(rev_str)
 | 
						|
      self._CheckDetachedHead(rev_str, options)
 | 
						|
      self._Capture(['checkout', '--quiet', '%s' % revision])
 | 
						|
      if not printed_path:
 | 
						|
        print('\n_____ %s%s' % (self.relpath, rev_str))
 | 
						|
    elif current_type == 'hash':
 | 
						|
      # case 1
 | 
						|
      if scm.GIT.IsGitSvn(self.checkout_path) and upstream_branch is not None:
 | 
						|
        # Our git-svn branch (upstream_branch) is our upstream
 | 
						|
        self._AttemptRebase(upstream_branch, files, options,
 | 
						|
                            newbase=revision, printed_path=printed_path)
 | 
						|
        printed_path = True
 | 
						|
      else:
 | 
						|
        # Can't find a merge-base since we don't know our upstream. That makes
 | 
						|
        # this command VERY likely to produce a rebase failure. For now we
 | 
						|
        # assume origin is our upstream since that's what the old behavior was.
 | 
						|
        upstream_branch = 'origin'
 | 
						|
        if options.revision or deps_revision:
 | 
						|
          upstream_branch = revision
 | 
						|
        self._AttemptRebase(upstream_branch, files, options,
 | 
						|
                            printed_path=printed_path)
 | 
						|
        printed_path = True
 | 
						|
    elif rev_type == 'hash':
 | 
						|
      # case 2
 | 
						|
      self._AttemptRebase(upstream_branch, files, options,
 | 
						|
                          newbase=revision, printed_path=printed_path)
 | 
						|
      printed_path = True
 | 
						|
    elif revision.replace('heads', 'remotes/origin') != upstream_branch:
 | 
						|
      # case 4
 | 
						|
      new_base = revision.replace('heads', 'remotes/origin')
 | 
						|
      if not printed_path:
 | 
						|
        print('\n_____ %s%s' % (self.relpath, rev_str))
 | 
						|
      switch_error = ("Switching upstream branch from %s to %s\n"
 | 
						|
                     % (upstream_branch, new_base) +
 | 
						|
                     "Please merge or rebase manually:\n" +
 | 
						|
                     "cd %s; git rebase %s\n" % (self.checkout_path, new_base) +
 | 
						|
                     "OR git checkout -b <some new branch> %s" % new_base)
 | 
						|
      raise gclient_utils.Error(switch_error)
 | 
						|
    else:
 | 
						|
      # case 3 - the default case
 | 
						|
      files = self._Capture(['diff', upstream_branch, '--name-only']).split()
 | 
						|
      if verbose:
 | 
						|
        print('Trying fast-forward merge to branch : %s' % upstream_branch)
 | 
						|
      try:
 | 
						|
        merge_args = ['merge']
 | 
						|
        if not options.merge:
 | 
						|
          merge_args.append('--ff-only')
 | 
						|
        merge_args.append(upstream_branch)
 | 
						|
        merge_output = scm.GIT.Capture(merge_args, cwd=self.checkout_path)
 | 
						|
      except subprocess2.CalledProcessError, e:
 | 
						|
        if re.match('fatal: Not possible to fast-forward, aborting.', e.stderr):
 | 
						|
          if not printed_path:
 | 
						|
            print('\n_____ %s%s' % (self.relpath, rev_str))
 | 
						|
            printed_path = True
 | 
						|
          while True:
 | 
						|
            try:
 | 
						|
              # TODO(maruel): That can't work with --jobs.
 | 
						|
              action = ask_for_data(
 | 
						|
                  'Cannot fast-forward merge, attempt to rebase? '
 | 
						|
                  '(y)es / (q)uit / (s)kip : ')
 | 
						|
            except ValueError:
 | 
						|
              raise gclient_utils.Error('Invalid Character')
 | 
						|
            if re.match(r'yes|y', action, re.I):
 | 
						|
              self._AttemptRebase(upstream_branch, files, options,
 | 
						|
                                  printed_path=printed_path)
 | 
						|
              printed_path = True
 | 
						|
              break
 | 
						|
            elif re.match(r'quit|q', action, re.I):
 | 
						|
              raise gclient_utils.Error("Can't fast-forward, please merge or "
 | 
						|
                                        "rebase manually.\n"
 | 
						|
                                        "cd %s && git " % self.checkout_path
 | 
						|
                                        + "rebase %s" % upstream_branch)
 | 
						|
            elif re.match(r'skip|s', action, re.I):
 | 
						|
              print('Skipping %s' % self.relpath)
 | 
						|
              return
 | 
						|
            else:
 | 
						|
              print('Input not recognized')
 | 
						|
        elif re.match("error: Your local changes to '.*' would be "
 | 
						|
                      "overwritten by merge.  Aborting.\nPlease, commit your "
 | 
						|
                      "changes or stash them before you can merge.\n",
 | 
						|
                      e.stderr):
 | 
						|
          if not printed_path:
 | 
						|
            print('\n_____ %s%s' % (self.relpath, rev_str))
 | 
						|
            printed_path = True
 | 
						|
          raise gclient_utils.Error(e.stderr)
 | 
						|
        else:
 | 
						|
          # Some other problem happened with the merge
 | 
						|
          logging.error("Error during fast-forward merge in %s!" % self.relpath)
 | 
						|
          print(e.stderr)
 | 
						|
          raise
 | 
						|
      else:
 | 
						|
        # Fast-forward merge was successful
 | 
						|
        if not re.match('Already up-to-date.', merge_output) or verbose:
 | 
						|
          if not printed_path:
 | 
						|
            print('\n_____ %s%s' % (self.relpath, rev_str))
 | 
						|
            printed_path = True
 | 
						|
          print(merge_output.strip())
 | 
						|
          if not verbose:
 | 
						|
            # Make the output a little prettier. It's nice to have some
 | 
						|
            # whitespace between projects when syncing.
 | 
						|
            print('')
 | 
						|
 | 
						|
    self.UpdateSubmoduleConfig()
 | 
						|
    file_list.extend([os.path.join(self.checkout_path, f) for f in files])
 | 
						|
 | 
						|
    # If the rebase generated a conflict, abort and ask user to fix
 | 
						|
    if self._IsRebasing():
 | 
						|
      raise gclient_utils.Error('\n____ %s%s\n'
 | 
						|
                                '\nConflict while rebasing this branch.\n'
 | 
						|
                                'Fix the conflict and run gclient again.\n'
 | 
						|
                                'See man git-rebase for details.\n'
 | 
						|
                                % (self.relpath, rev_str))
 | 
						|
 | 
						|
    if verbose:
 | 
						|
      print('Checked out revision %s' % self.revinfo(options, (), None))
 | 
						|
 | 
						|
    # If --reset and --delete_unversioned_trees are specified, remove any
 | 
						|
    # untracked directories.
 | 
						|
    if options.reset and options.delete_unversioned_trees:
 | 
						|
      # GIT.CaptureStatus() uses 'dit diff' to compare to a specific SHA1 (the
 | 
						|
      # merge-base by default), so doesn't include untracked files. So we use
 | 
						|
      # 'git ls-files --directory --others --exclude-standard' here directly.
 | 
						|
      paths = scm.GIT.Capture(
 | 
						|
          ['ls-files', '--directory', '--others', '--exclude-standard'],
 | 
						|
          self.checkout_path)
 | 
						|
      for path in (p for p in paths.splitlines() if p.endswith('/')):
 | 
						|
        full_path = os.path.join(self.checkout_path, path)
 | 
						|
        if not os.path.islink(full_path):
 | 
						|
          print('\n_____ removing unversioned directory %s' % path)
 | 
						|
          gclient_utils.RemoveDirectory(full_path)
 | 
						|
 | 
						|
 | 
						|
  def revert(self, options, args, file_list):
 | 
						|
    """Reverts local modifications.
 | 
						|
 | 
						|
    All reverted files will be appended to file_list.
 | 
						|
    """
 | 
						|
    if not os.path.isdir(self.checkout_path):
 | 
						|
      # revert won't work if the directory doesn't exist. It needs to
 | 
						|
      # checkout instead.
 | 
						|
      print('\n_____ %s is missing, synching instead' % self.relpath)
 | 
						|
      # Don't reuse the args.
 | 
						|
      return self.update(options, [], file_list)
 | 
						|
 | 
						|
    default_rev = "refs/heads/master"
 | 
						|
    _, deps_revision = gclient_utils.SplitUrlRevision(self.url)
 | 
						|
    if not deps_revision:
 | 
						|
      deps_revision = default_rev
 | 
						|
    if deps_revision.startswith('refs/heads/'):
 | 
						|
      deps_revision = deps_revision.replace('refs/heads/', 'origin/')
 | 
						|
 | 
						|
    files = self._Capture(['diff', deps_revision, '--name-only']).split()
 | 
						|
    self._Run(['reset', '--hard', deps_revision], options)
 | 
						|
    self._Run(['clean', '-f', '-d'], options)
 | 
						|
    file_list.extend([os.path.join(self.checkout_path, f) for f in files])
 | 
						|
 | 
						|
  def revinfo(self, options, args, file_list):
 | 
						|
    """Returns revision"""
 | 
						|
    return self._Capture(['rev-parse', 'HEAD'])
 | 
						|
 | 
						|
  def runhooks(self, options, args, file_list):
 | 
						|
    self.status(options, args, file_list)
 | 
						|
 | 
						|
  def status(self, options, args, file_list):
 | 
						|
    """Display status information."""
 | 
						|
    if not os.path.isdir(self.checkout_path):
 | 
						|
      print(('\n________ couldn\'t run status in %s:\n'
 | 
						|
             'The directory does not exist.') % self.checkout_path)
 | 
						|
    else:
 | 
						|
      merge_base = self._Capture(['merge-base', 'HEAD', 'origin'])
 | 
						|
      self._Run(['diff', '--name-status', merge_base], options)
 | 
						|
      files = self._Capture(['diff', '--name-only', merge_base]).split()
 | 
						|
      file_list.extend([os.path.join(self.checkout_path, f) for f in files])
 | 
						|
 | 
						|
  def GetUsableRev(self, rev, options):
 | 
						|
    """Finds a useful revision for this repository.
 | 
						|
 | 
						|
    If SCM is git-svn and the head revision is less than |rev|, git svn fetch
 | 
						|
    will be called on the source."""
 | 
						|
    sha1 = None
 | 
						|
    # Handles an SVN rev.  As an optimization, only verify an SVN revision as
 | 
						|
    # [0-9]{1,6} for now to avoid making a network request.
 | 
						|
    if rev.isdigit() and len(rev) < 7:
 | 
						|
      # If the content of the safesync_url appears to be an SVN rev and the
 | 
						|
      # URL of the source appears to be git, we can only attempt to find out
 | 
						|
      # if a revision is useful after we've cloned the original URL, so just
 | 
						|
      # ignore for now.
 | 
						|
      if (os.path.isdir(self.checkout_path) and
 | 
						|
          scm.GIT.IsGitSvn(cwd=self.checkout_path)):
 | 
						|
        local_head = scm.GIT.GetGitSvnHeadRev(cwd=self.checkout_path)
 | 
						|
        if not local_head or local_head < int(rev):
 | 
						|
          try:
 | 
						|
            logging.debug('Looking for git-svn configuration optimizations.')
 | 
						|
            if scm.GIT.Capture(['config', '--get', 'svn-remote.svn.fetch'],
 | 
						|
                             cwd=self.checkout_path):
 | 
						|
              scm.GIT.Capture(['fetch'], cwd=self.checkout_path)
 | 
						|
          except subprocess2.CalledProcessError:
 | 
						|
            logging.debug('git config --get svn-remote.svn.fetch failed, '
 | 
						|
                          'ignoring possible optimization.')
 | 
						|
          if options.verbose:
 | 
						|
            print('Running git svn fetch. This might take a while.\n')
 | 
						|
          scm.GIT.Capture(['svn', 'fetch'], cwd=self.checkout_path)
 | 
						|
        try:
 | 
						|
          sha1 = scm.GIT.GetBlessedSha1ForSvnRev(
 | 
						|
              cwd=self.checkout_path, rev=rev)
 | 
						|
        except gclient_utils.Error, e:
 | 
						|
          sha1 = e.message
 | 
						|
          print('\nWarning: Could not find a git revision with accurate\n'
 | 
						|
                 '.DEPS.git that maps to SVN revision %s.  Sync-ing to\n'
 | 
						|
                 'the closest sane git revision, which is:\n'
 | 
						|
                 '  %s\n' % (rev, e.message))
 | 
						|
        if not sha1:
 | 
						|
          raise gclient_utils.Error(
 | 
						|
              ( 'It appears that either your git-svn remote is incorrectly\n'
 | 
						|
                'configured or the revision in your safesync_url is\n'
 | 
						|
                'higher than git-svn remote\'s HEAD as we couldn\'t find a\n'
 | 
						|
                'corresponding git hash for SVN rev %s.' ) % rev)
 | 
						|
    elif scm.GIT.IsValidRevision(cwd=self.checkout_path, rev=rev):
 | 
						|
      sha1 = rev
 | 
						|
 | 
						|
    if not sha1:
 | 
						|
      raise gclient_utils.Error(
 | 
						|
          ( 'We could not find a valid hash for safesync_url response "%s".\n'
 | 
						|
            'Safesync URLs with a git checkout currently require a git-svn\n'
 | 
						|
            'remote or a safesync_url that provides git sha1s. Please add a\n'
 | 
						|
            'git-svn remote or change your safesync_url. For more info, see:\n'
 | 
						|
            'http://code.google.com/p/chromium/wiki/UsingNewGit'
 | 
						|
            '#Initial_checkout' ) % rev)
 | 
						|
 | 
						|
    return sha1
 | 
						|
 | 
						|
  def FullUrlForRelativeUrl(self, url):
 | 
						|
    # Strip from last '/'
 | 
						|
    # Equivalent to unix basename
 | 
						|
    base_url = self.url
 | 
						|
    return base_url[:base_url.rfind('/')] + url
 | 
						|
 | 
						|
  def _Clone(self, revision, url, options):
 | 
						|
    """Clone a git repository from the given URL.
 | 
						|
 | 
						|
    Once we've cloned the repo, we checkout a working branch if the specified
 | 
						|
    revision is a branch head. If it is a tag or a specific commit, then we
 | 
						|
    leave HEAD detached as it makes future updates simpler -- in this case the
 | 
						|
    user should first create a new branch or switch to an existing branch before
 | 
						|
    making changes in the repo."""
 | 
						|
    if not options.verbose:
 | 
						|
      # git clone doesn't seem to insert a newline properly before printing
 | 
						|
      # to stdout
 | 
						|
      print('')
 | 
						|
 | 
						|
    clone_cmd = ['clone', '--progress']
 | 
						|
    if revision.startswith('refs/heads/'):
 | 
						|
      clone_cmd.extend(['-b', revision.replace('refs/heads/', '')])
 | 
						|
      detach_head = False
 | 
						|
    else:
 | 
						|
      detach_head = True
 | 
						|
    if options.verbose:
 | 
						|
      clone_cmd.append('--verbose')
 | 
						|
    clone_cmd.extend([url, self.checkout_path])
 | 
						|
 | 
						|
    # If the parent directory does not exist, Git clone on Windows will not
 | 
						|
    # create it, so we need to do it manually.
 | 
						|
    parent_dir = os.path.dirname(self.checkout_path)
 | 
						|
    if not os.path.exists(parent_dir):
 | 
						|
      gclient_utils.safe_makedirs(parent_dir)
 | 
						|
 | 
						|
    percent_re = re.compile('.* ([0-9]{1,2})% .*')
 | 
						|
    def _GitFilter(line):
 | 
						|
      # git uses an escape sequence to clear the line; elide it.
 | 
						|
      esc = line.find(unichr(033))
 | 
						|
      if esc > -1:
 | 
						|
        line = line[:esc]
 | 
						|
      match = percent_re.match(line)
 | 
						|
      if not match or not int(match.group(1)) % 10:
 | 
						|
        print '%s' % line
 | 
						|
 | 
						|
    for _ in range(3):
 | 
						|
      try:
 | 
						|
        self._Run(clone_cmd, options, cwd=self._root_dir, filter_fn=_GitFilter,
 | 
						|
                  print_stdout=False)
 | 
						|
        break
 | 
						|
      except subprocess2.CalledProcessError, e:
 | 
						|
        # Too bad we don't have access to the actual output yet.
 | 
						|
        # We should check for "transfer closed with NNN bytes remaining to
 | 
						|
        # read". In the meantime, just make sure .git exists.
 | 
						|
        if (e.returncode == 128 and
 | 
						|
            os.path.exists(os.path.join(self.checkout_path, '.git'))):
 | 
						|
          print(str(e))
 | 
						|
          print('Retrying...')
 | 
						|
          continue
 | 
						|
        raise e
 | 
						|
 | 
						|
    if detach_head:
 | 
						|
      # Squelch git's very verbose detached HEAD warning and use our own
 | 
						|
      self._Capture(['checkout', '--quiet', '%s' % revision])
 | 
						|
      print(
 | 
						|
        ('Checked out %s to a detached HEAD. Before making any commits\n'
 | 
						|
         'in this repo, you should use \'git checkout <branch>\' to switch to\n'
 | 
						|
         'an existing branch or use \'git checkout origin -b <branch>\' to\n'
 | 
						|
         'create a new branch for your work.') % revision)
 | 
						|
 | 
						|
  def _AttemptRebase(self, upstream, files, options, newbase=None,
 | 
						|
                     branch=None, printed_path=False):
 | 
						|
    """Attempt to rebase onto either upstream or, if specified, newbase."""
 | 
						|
    files.extend(self._Capture(['diff', upstream, '--name-only']).split())
 | 
						|
    revision = upstream
 | 
						|
    if newbase:
 | 
						|
      revision = newbase
 | 
						|
    if not printed_path:
 | 
						|
      print('\n_____ %s : Attempting rebase onto %s...' % (
 | 
						|
          self.relpath, revision))
 | 
						|
      printed_path = True
 | 
						|
    else:
 | 
						|
      print('Attempting rebase onto %s...' % revision)
 | 
						|
 | 
						|
    # Build the rebase command here using the args
 | 
						|
    # git rebase [options] [--onto <newbase>] <upstream> [<branch>]
 | 
						|
    rebase_cmd = ['rebase']
 | 
						|
    if options.verbose:
 | 
						|
      rebase_cmd.append('--verbose')
 | 
						|
    if newbase:
 | 
						|
      rebase_cmd.extend(['--onto', newbase])
 | 
						|
    rebase_cmd.append(upstream)
 | 
						|
    if branch:
 | 
						|
      rebase_cmd.append(branch)
 | 
						|
 | 
						|
    try:
 | 
						|
      rebase_output = scm.GIT.Capture(rebase_cmd, cwd=self.checkout_path)
 | 
						|
    except subprocess2.CalledProcessError, e:
 | 
						|
      if (re.match(r'cannot rebase: you have unstaged changes', e.stderr) or
 | 
						|
          re.match(r'cannot rebase: your index contains uncommitted changes',
 | 
						|
                   e.stderr)):
 | 
						|
        while True:
 | 
						|
          rebase_action = ask_for_data(
 | 
						|
              'Cannot rebase because of unstaged changes.\n'
 | 
						|
              '\'git reset --hard HEAD\' ?\n'
 | 
						|
              'WARNING: destroys any uncommitted work in your current branch!'
 | 
						|
              ' (y)es / (q)uit / (s)how : ')
 | 
						|
          if re.match(r'yes|y', rebase_action, re.I):
 | 
						|
            self._Run(['reset', '--hard', 'HEAD'], options)
 | 
						|
            # Should this be recursive?
 | 
						|
            rebase_output = scm.GIT.Capture(rebase_cmd, cwd=self.checkout_path)
 | 
						|
            break
 | 
						|
          elif re.match(r'quit|q', rebase_action, re.I):
 | 
						|
            raise gclient_utils.Error("Please merge or rebase manually\n"
 | 
						|
                                      "cd %s && git " % self.checkout_path
 | 
						|
                                      + "%s" % ' '.join(rebase_cmd))
 | 
						|
          elif re.match(r'show|s', rebase_action, re.I):
 | 
						|
            print('\n%s' % e.stderr.strip())
 | 
						|
            continue
 | 
						|
          else:
 | 
						|
            gclient_utils.Error("Input not recognized")
 | 
						|
            continue
 | 
						|
      elif re.search(r'^CONFLICT', e.stdout, re.M):
 | 
						|
        raise gclient_utils.Error("Conflict while rebasing this branch.\n"
 | 
						|
                                  "Fix the conflict and run gclient again.\n"
 | 
						|
                                  "See 'man git-rebase' for details.\n")
 | 
						|
      else:
 | 
						|
        print(e.stdout.strip())
 | 
						|
        print('Rebase produced error output:\n%s' % e.stderr.strip())
 | 
						|
        raise gclient_utils.Error("Unrecognized error, please merge or rebase "
 | 
						|
                                  "manually.\ncd %s && git " %
 | 
						|
                                  self.checkout_path
 | 
						|
                                  + "%s" % ' '.join(rebase_cmd))
 | 
						|
 | 
						|
    print(rebase_output.strip())
 | 
						|
    if not options.verbose:
 | 
						|
      # Make the output a little prettier. It's nice to have some
 | 
						|
      # whitespace between projects when syncing.
 | 
						|
      print('')
 | 
						|
 | 
						|
  @staticmethod
 | 
						|
  def _CheckMinVersion(min_version):
 | 
						|
    (ok, current_version) = scm.GIT.AssertVersion(min_version)
 | 
						|
    if not ok:
 | 
						|
      raise gclient_utils.Error('git version %s < minimum required %s' %
 | 
						|
                                (current_version, min_version))
 | 
						|
 | 
						|
  def _IsRebasing(self):
 | 
						|
    # Check for any of REBASE-i/REBASE-m/REBASE/AM. Unfortunately git doesn't
 | 
						|
    # have a plumbing command to determine whether a rebase is in progress, so
 | 
						|
    # for now emualate (more-or-less) git-rebase.sh / git-completion.bash
 | 
						|
    g = os.path.join(self.checkout_path, '.git')
 | 
						|
    return (
 | 
						|
      os.path.isdir(os.path.join(g, "rebase-merge")) or
 | 
						|
      os.path.isdir(os.path.join(g, "rebase-apply")))
 | 
						|
 | 
						|
  def _CheckClean(self, rev_str):
 | 
						|
    # Make sure the tree is clean; see git-rebase.sh for reference
 | 
						|
    try:
 | 
						|
      scm.GIT.Capture(['update-index', '--ignore-submodules', '--refresh'],
 | 
						|
                      cwd=self.checkout_path)
 | 
						|
    except subprocess2.CalledProcessError:
 | 
						|
      raise gclient_utils.Error('\n____ %s%s\n'
 | 
						|
                                '\tYou have unstaged changes.\n'
 | 
						|
                                '\tPlease commit, stash, or reset.\n'
 | 
						|
                                  % (self.relpath, rev_str))
 | 
						|
    try:
 | 
						|
      scm.GIT.Capture(['diff-index', '--cached', '--name-status', '-r',
 | 
						|
                       '--ignore-submodules', 'HEAD', '--'],
 | 
						|
                       cwd=self.checkout_path)
 | 
						|
    except subprocess2.CalledProcessError:
 | 
						|
      raise gclient_utils.Error('\n____ %s%s\n'
 | 
						|
                                '\tYour index contains uncommitted changes\n'
 | 
						|
                                '\tPlease commit, stash, or reset.\n'
 | 
						|
                                  % (self.relpath, rev_str))
 | 
						|
 | 
						|
  def _CheckDetachedHead(self, rev_str, options):
 | 
						|
    # HEAD is detached. Make sure it is safe to move away from (i.e., it is
 | 
						|
    # reference by a commit). If not, error out -- most likely a rebase is
 | 
						|
    # in progress, try to detect so we can give a better error.
 | 
						|
    try:
 | 
						|
      scm.GIT.Capture(['name-rev', '--no-undefined', 'HEAD'],
 | 
						|
          cwd=self.checkout_path)
 | 
						|
    except subprocess2.CalledProcessError:
 | 
						|
      # Commit is not contained by any rev. See if the user is rebasing:
 | 
						|
      if self._IsRebasing():
 | 
						|
        # Punt to the user
 | 
						|
        raise gclient_utils.Error('\n____ %s%s\n'
 | 
						|
                                  '\tAlready in a conflict, i.e. (no branch).\n'
 | 
						|
                                  '\tFix the conflict and run gclient again.\n'
 | 
						|
                                  '\tOr to abort run:\n\t\tgit-rebase --abort\n'
 | 
						|
                                  '\tSee man git-rebase for details.\n'
 | 
						|
                                   % (self.relpath, rev_str))
 | 
						|
      # Let's just save off the commit so we can proceed.
 | 
						|
      name = ('saved-by-gclient-' +
 | 
						|
              self._Capture(['rev-parse', '--short', 'HEAD']))
 | 
						|
      self._Capture(['branch', name])
 | 
						|
      print('\n_____ found an unreferenced commit and saved it as \'%s\'' %
 | 
						|
          name)
 | 
						|
 | 
						|
  def _GetCurrentBranch(self):
 | 
						|
    # Returns name of current branch or None for detached HEAD
 | 
						|
    branch = self._Capture(['rev-parse', '--abbrev-ref=strict', 'HEAD'])
 | 
						|
    if branch == 'HEAD':
 | 
						|
      return None
 | 
						|
    return branch
 | 
						|
 | 
						|
  def _Capture(self, args):
 | 
						|
    return subprocess2.check_output(
 | 
						|
        ['git'] + args,
 | 
						|
        stderr=subprocess2.PIPE,
 | 
						|
        cwd=self.checkout_path).strip()
 | 
						|
 | 
						|
  def _Run(self, args, options, **kwargs):
 | 
						|
    kwargs.setdefault('cwd', self.checkout_path)
 | 
						|
    kwargs.setdefault('print_stdout', True)
 | 
						|
    stdout = kwargs.get('stdout', sys.stdout)
 | 
						|
    stdout.write('\n________ running \'git %s\' in \'%s\'\n' % (
 | 
						|
                 ' '.join(args), kwargs['cwd']))
 | 
						|
    gclient_utils.CheckCallAndFilter(['git'] + args, **kwargs)
 | 
						|
 | 
						|
 | 
						|
class SVNWrapper(SCMWrapper):
 | 
						|
  """ Wrapper for SVN """
 | 
						|
 | 
						|
  @staticmethod
 | 
						|
  def BinaryExists():
 | 
						|
    """Returns true if the command exists."""
 | 
						|
    try:
 | 
						|
      result, version = scm.SVN.AssertVersion('1.4')
 | 
						|
      if not result:
 | 
						|
        raise gclient_utils.Error('SVN version is older than 1.4: %s' % version)
 | 
						|
      return result
 | 
						|
    except OSError:
 | 
						|
      return False
 | 
						|
 | 
						|
  def GetRevisionDate(self, revision):
 | 
						|
    """Returns the given revision's date in ISO-8601 format (which contains the
 | 
						|
    time zone)."""
 | 
						|
    date = scm.SVN.Capture(
 | 
						|
        ['propget', '--revprop', 'svn:date', '-r', revision],
 | 
						|
        os.path.join(self.checkout_path, '.'))
 | 
						|
    return date.strip()
 | 
						|
 | 
						|
  def cleanup(self, options, args, file_list):
 | 
						|
    """Cleanup working copy."""
 | 
						|
    self._Run(['cleanup'] + args, options)
 | 
						|
 | 
						|
  def diff(self, options, args, file_list):
 | 
						|
    # NOTE: This function does not currently modify file_list.
 | 
						|
    if not os.path.isdir(self.checkout_path):
 | 
						|
      raise gclient_utils.Error('Directory %s is not present.' %
 | 
						|
          self.checkout_path)
 | 
						|
    self._Run(['diff'] + args, options)
 | 
						|
 | 
						|
  def pack(self, options, args, file_list):
 | 
						|
    """Generates a patch file which can be applied to the root of the
 | 
						|
    repository."""
 | 
						|
    if not os.path.isdir(self.checkout_path):
 | 
						|
      raise gclient_utils.Error('Directory %s is not present.' %
 | 
						|
          self.checkout_path)
 | 
						|
    gclient_utils.CheckCallAndFilter(
 | 
						|
        ['svn', 'diff', '-x', '--ignore-eol-style'] + args,
 | 
						|
        cwd=self.checkout_path,
 | 
						|
        print_stdout=False,
 | 
						|
        filter_fn=SvnDiffFilterer(self.relpath).Filter)
 | 
						|
 | 
						|
  def update(self, options, args, file_list):
 | 
						|
    """Runs svn to update or transparently checkout the working copy.
 | 
						|
 | 
						|
    All updated files will be appended to file_list.
 | 
						|
 | 
						|
    Raises:
 | 
						|
      Error: if can't get URL for relative path.
 | 
						|
    """
 | 
						|
    # Only update if git or hg is not controlling the directory.
 | 
						|
    git_path = os.path.join(self.checkout_path, '.git')
 | 
						|
    if os.path.exists(git_path):
 | 
						|
      print('________ found .git directory; skipping %s' % self.relpath)
 | 
						|
      return
 | 
						|
 | 
						|
    hg_path = os.path.join(self.checkout_path, '.hg')
 | 
						|
    if os.path.exists(hg_path):
 | 
						|
      print('________ found .hg directory; skipping %s' % self.relpath)
 | 
						|
      return
 | 
						|
 | 
						|
    if args:
 | 
						|
      raise gclient_utils.Error("Unsupported argument(s): %s" % ",".join(args))
 | 
						|
 | 
						|
    # revision is the revision to match. It is None if no revision is specified,
 | 
						|
    # i.e. the 'deps ain't pinned'.
 | 
						|
    url, revision = gclient_utils.SplitUrlRevision(self.url)
 | 
						|
    # Keep the original unpinned url for reference in case the repo is switched.
 | 
						|
    base_url = url
 | 
						|
    managed = True
 | 
						|
    if options.revision:
 | 
						|
      # Override the revision number.
 | 
						|
      revision = str(options.revision)
 | 
						|
    if revision:
 | 
						|
      if revision != 'unmanaged':
 | 
						|
        forced_revision = True
 | 
						|
        # Reconstruct the url.
 | 
						|
        url = '%s@%s' % (url, revision)
 | 
						|
        rev_str = ' at %s' % revision
 | 
						|
      else:
 | 
						|
        managed = False
 | 
						|
        revision = None
 | 
						|
    else:
 | 
						|
      forced_revision = False
 | 
						|
      rev_str = ''
 | 
						|
 | 
						|
    # Get the existing scm url and the revision number of the current checkout.
 | 
						|
    exists = os.path.exists(self.checkout_path)
 | 
						|
    if exists and managed:
 | 
						|
      try:
 | 
						|
        from_info = scm.SVN.CaptureLocalInfo(
 | 
						|
            [], os.path.join(self.checkout_path, '.'))
 | 
						|
      except (gclient_utils.Error, subprocess2.CalledProcessError):
 | 
						|
        if options.reset and options.delete_unversioned_trees:
 | 
						|
          print 'Removing troublesome path %s' % self.checkout_path
 | 
						|
          gclient_utils.rmtree(self.checkout_path)
 | 
						|
          exists = False
 | 
						|
        else:
 | 
						|
          msg = ('Can\'t update/checkout %s if an unversioned directory is '
 | 
						|
                 'present. Delete the directory and try again.')
 | 
						|
          raise gclient_utils.Error(msg % self.checkout_path)
 | 
						|
 | 
						|
    if not exists:
 | 
						|
      gclient_utils.safe_makedirs(os.path.dirname(self.checkout_path))
 | 
						|
      # We need to checkout.
 | 
						|
      command = ['checkout', url, self.checkout_path]
 | 
						|
      command = self._AddAdditionalUpdateFlags(command, options, revision)
 | 
						|
      self._RunAndGetFileList(command, options, file_list, self._root_dir)
 | 
						|
      return
 | 
						|
 | 
						|
    if not managed:
 | 
						|
      print ('________ unmanaged solution; skipping %s' % self.relpath)
 | 
						|
      return
 | 
						|
 | 
						|
    if 'URL' not in from_info:
 | 
						|
      raise gclient_utils.Error(
 | 
						|
          ('gclient is confused. Couldn\'t get the url for %s.\n'
 | 
						|
           'Try using @unmanaged.\n%s') % (
 | 
						|
            self.checkout_path, from_info))
 | 
						|
 | 
						|
    # Look for locked directories.
 | 
						|
    dir_info = scm.SVN.CaptureStatus(
 | 
						|
        None, os.path.join(self.checkout_path, '.'))
 | 
						|
    if any(d[0][2] == 'L' for d in dir_info):
 | 
						|
      try:
 | 
						|
        self._Run(['cleanup', self.checkout_path], options)
 | 
						|
      except subprocess2.CalledProcessError, e:
 | 
						|
        # Get the status again, svn cleanup may have cleaned up at least
 | 
						|
        # something.
 | 
						|
        dir_info = scm.SVN.CaptureStatus(
 | 
						|
            None, os.path.join(self.checkout_path, '.'))
 | 
						|
 | 
						|
        # Try to fix the failures by removing troublesome files.
 | 
						|
        for d in dir_info:
 | 
						|
          if d[0][2] == 'L':
 | 
						|
            if d[0][0] == '!' and options.force:
 | 
						|
              print 'Removing troublesome path %s' % d[1]
 | 
						|
              gclient_utils.rmtree(d[1])
 | 
						|
            else:
 | 
						|
              print 'Not removing troublesome path %s automatically.' % d[1]
 | 
						|
              if d[0][0] == '!':
 | 
						|
                print 'You can pass --force to enable automatic removal.'
 | 
						|
              raise e
 | 
						|
 | 
						|
    # Retrieve the current HEAD version because svn is slow at null updates.
 | 
						|
    if options.manually_grab_svn_rev and not revision:
 | 
						|
      from_info_live = scm.SVN.CaptureRemoteInfo(from_info['URL'])
 | 
						|
      revision = str(from_info_live['Revision'])
 | 
						|
      rev_str = ' at %s' % revision
 | 
						|
 | 
						|
    if from_info['URL'] != base_url:
 | 
						|
      # The repository url changed, need to switch.
 | 
						|
      try:
 | 
						|
        to_info = scm.SVN.CaptureRemoteInfo(url)
 | 
						|
      except (gclient_utils.Error, subprocess2.CalledProcessError):
 | 
						|
        # The url is invalid or the server is not accessible, it's safer to bail
 | 
						|
        # out right now.
 | 
						|
        raise gclient_utils.Error('This url is unreachable: %s' % url)
 | 
						|
      can_switch = ((from_info['Repository Root'] != to_info['Repository Root'])
 | 
						|
                    and (from_info['UUID'] == to_info['UUID']))
 | 
						|
      if can_switch:
 | 
						|
        print('\n_____ relocating %s to a new checkout' % self.relpath)
 | 
						|
        # We have different roots, so check if we can switch --relocate.
 | 
						|
        # Subversion only permits this if the repository UUIDs match.
 | 
						|
        # Perform the switch --relocate, then rewrite the from_url
 | 
						|
        # to reflect where we "are now."  (This is the same way that
 | 
						|
        # Subversion itself handles the metadata when switch --relocate
 | 
						|
        # is used.)  This makes the checks below for whether we
 | 
						|
        # can update to a revision or have to switch to a different
 | 
						|
        # branch work as expected.
 | 
						|
        # TODO(maruel):  TEST ME !
 | 
						|
        command = ['switch', '--relocate',
 | 
						|
                   from_info['Repository Root'],
 | 
						|
                   to_info['Repository Root'],
 | 
						|
                   self.relpath]
 | 
						|
        self._Run(command, options, cwd=self._root_dir)
 | 
						|
        from_info['URL'] = from_info['URL'].replace(
 | 
						|
            from_info['Repository Root'],
 | 
						|
            to_info['Repository Root'])
 | 
						|
      else:
 | 
						|
        if not options.force and not options.reset:
 | 
						|
          # Look for local modifications but ignore unversioned files.
 | 
						|
          for status in scm.SVN.CaptureStatus(None, self.checkout_path):
 | 
						|
            if status[0][0] != '?':
 | 
						|
              raise gclient_utils.Error(
 | 
						|
                  ('Can\'t switch the checkout to %s; UUID don\'t match and '
 | 
						|
                   'there is local changes in %s. Delete the directory and '
 | 
						|
                   'try again.') % (url, self.checkout_path))
 | 
						|
        # Ok delete it.
 | 
						|
        print('\n_____ switching %s to a new checkout' % self.relpath)
 | 
						|
        gclient_utils.RemoveDirectory(self.checkout_path)
 | 
						|
        # We need to checkout.
 | 
						|
        command = ['checkout', url, self.checkout_path]
 | 
						|
        command = self._AddAdditionalUpdateFlags(command, options, revision)
 | 
						|
        self._RunAndGetFileList(command, options, file_list, self._root_dir)
 | 
						|
        return
 | 
						|
 | 
						|
    # If the provided url has a revision number that matches the revision
 | 
						|
    # number of the existing directory, then we don't need to bother updating.
 | 
						|
    if not options.force and str(from_info['Revision']) == revision:
 | 
						|
      if options.verbose or not forced_revision:
 | 
						|
        print('\n_____ %s%s' % (self.relpath, rev_str))
 | 
						|
    else:
 | 
						|
      command = ['update', self.checkout_path]
 | 
						|
      command = self._AddAdditionalUpdateFlags(command, options, revision)
 | 
						|
      self._RunAndGetFileList(command, options, file_list, self._root_dir)
 | 
						|
 | 
						|
    # If --reset and --delete_unversioned_trees are specified, remove any
 | 
						|
    # untracked files and directories.
 | 
						|
    if options.reset and options.delete_unversioned_trees:
 | 
						|
      for status in scm.SVN.CaptureStatus(None, self.checkout_path):
 | 
						|
        full_path = os.path.join(self.checkout_path, status[1])
 | 
						|
        if (status[0][0] == '?'
 | 
						|
            and os.path.isdir(full_path)
 | 
						|
            and not os.path.islink(full_path)):
 | 
						|
          print('\n_____ removing unversioned directory %s' % status[1])
 | 
						|
          gclient_utils.RemoveDirectory(full_path)
 | 
						|
 | 
						|
  def updatesingle(self, options, args, file_list):
 | 
						|
    filename = args.pop()
 | 
						|
    if scm.SVN.AssertVersion("1.5")[0]:
 | 
						|
      if not os.path.exists(os.path.join(self.checkout_path, '.svn')):
 | 
						|
        # Create an empty checkout and then update the one file we want.  Future
 | 
						|
        # operations will only apply to the one file we checked out.
 | 
						|
        command = ["checkout", "--depth", "empty", self.url, self.checkout_path]
 | 
						|
        self._Run(command, options, cwd=self._root_dir)
 | 
						|
        if os.path.exists(os.path.join(self.checkout_path, filename)):
 | 
						|
          os.remove(os.path.join(self.checkout_path, filename))
 | 
						|
        command = ["update", filename]
 | 
						|
        self._RunAndGetFileList(command, options, file_list)
 | 
						|
      # After the initial checkout, we can use update as if it were any other
 | 
						|
      # dep.
 | 
						|
      self.update(options, args, file_list)
 | 
						|
    else:
 | 
						|
      # If the installed version of SVN doesn't support --depth, fallback to
 | 
						|
      # just exporting the file.  This has the downside that revision
 | 
						|
      # information is not stored next to the file, so we will have to
 | 
						|
      # re-export the file every time we sync.
 | 
						|
      if not os.path.exists(self.checkout_path):
 | 
						|
        gclient_utils.safe_makedirs(self.checkout_path)
 | 
						|
      command = ["export", os.path.join(self.url, filename),
 | 
						|
                 os.path.join(self.checkout_path, filename)]
 | 
						|
      command = self._AddAdditionalUpdateFlags(command, options,
 | 
						|
          options.revision)
 | 
						|
      self._Run(command, options, cwd=self._root_dir)
 | 
						|
 | 
						|
  def revert(self, options, args, file_list):
 | 
						|
    """Reverts local modifications. Subversion specific.
 | 
						|
 | 
						|
    All reverted files will be appended to file_list, even if Subversion
 | 
						|
    doesn't know about them.
 | 
						|
    """
 | 
						|
    if not os.path.isdir(self.checkout_path):
 | 
						|
      if os.path.exists(self.checkout_path):
 | 
						|
        gclient_utils.rmtree(self.checkout_path)
 | 
						|
      # svn revert won't work if the directory doesn't exist. It needs to
 | 
						|
      # checkout instead.
 | 
						|
      print('\n_____ %s is missing, synching instead' % self.relpath)
 | 
						|
      # Don't reuse the args.
 | 
						|
      return self.update(options, [], file_list)
 | 
						|
 | 
						|
    if not os.path.isdir(os.path.join(self.checkout_path, '.svn')):
 | 
						|
      if os.path.isdir(os.path.join(self.checkout_path, '.git')):
 | 
						|
        print('________ found .git directory; skipping %s' % self.relpath)
 | 
						|
        return
 | 
						|
      if os.path.isdir(os.path.join(self.checkout_path, '.hg')):
 | 
						|
        print('________ found .hg directory; skipping %s' % self.relpath)
 | 
						|
        return
 | 
						|
      if not options.force:
 | 
						|
        raise gclient_utils.Error('Invalid checkout path, aborting')
 | 
						|
      print(
 | 
						|
          '\n_____ %s is not a valid svn checkout, synching instead' %
 | 
						|
          self.relpath)
 | 
						|
      gclient_utils.rmtree(self.checkout_path)
 | 
						|
      # Don't reuse the args.
 | 
						|
      return self.update(options, [], file_list)
 | 
						|
 | 
						|
    def printcb(file_status):
 | 
						|
      file_list.append(file_status[1])
 | 
						|
      if logging.getLogger().isEnabledFor(logging.INFO):
 | 
						|
        logging.info('%s%s' % (file_status[0], file_status[1]))
 | 
						|
      else:
 | 
						|
        print(os.path.join(self.checkout_path, file_status[1]))
 | 
						|
    scm.SVN.Revert(self.checkout_path, callback=printcb)
 | 
						|
 | 
						|
    # Revert() may delete the directory altogether.
 | 
						|
    if not os.path.isdir(self.checkout_path):
 | 
						|
      # Don't reuse the args.
 | 
						|
      return self.update(options, [], file_list)
 | 
						|
 | 
						|
    try:
 | 
						|
      # svn revert is so broken we don't even use it. Using
 | 
						|
      # "svn up --revision BASE" achieve the same effect.
 | 
						|
      # file_list will contain duplicates.
 | 
						|
      self._RunAndGetFileList(['update', '--revision', 'BASE'], options,
 | 
						|
          file_list)
 | 
						|
    except OSError, e:
 | 
						|
      # Maybe the directory disapeared meanwhile. Do not throw an exception.
 | 
						|
      logging.error('Failed to update:\n%s' % str(e))
 | 
						|
 | 
						|
  def revinfo(self, options, args, file_list):
 | 
						|
    """Display revision"""
 | 
						|
    try:
 | 
						|
      return scm.SVN.CaptureRevision(self.checkout_path)
 | 
						|
    except (gclient_utils.Error, subprocess2.CalledProcessError):
 | 
						|
      return None
 | 
						|
 | 
						|
  def runhooks(self, options, args, file_list):
 | 
						|
    self.status(options, args, file_list)
 | 
						|
 | 
						|
  def status(self, options, args, file_list):
 | 
						|
    """Display status information."""
 | 
						|
    command = ['status'] + args
 | 
						|
    if not os.path.isdir(self.checkout_path):
 | 
						|
      # svn status won't work if the directory doesn't exist.
 | 
						|
      print(('\n________ couldn\'t run \'%s\' in \'%s\':\n'
 | 
						|
             'The directory does not exist.') %
 | 
						|
                (' '.join(command), self.checkout_path))
 | 
						|
      # There's no file list to retrieve.
 | 
						|
    else:
 | 
						|
      self._RunAndGetFileList(command, options, file_list)
 | 
						|
 | 
						|
  def GetUsableRev(self, rev, options):
 | 
						|
    """Verifies the validity of the revision for this repository."""
 | 
						|
    if not scm.SVN.IsValidRevision(url='%s@%s' % (self.url, rev)):
 | 
						|
      raise gclient_utils.Error(
 | 
						|
        ( '%s isn\'t a valid revision. Please check that your safesync_url is\n'
 | 
						|
          'correct.') % rev)
 | 
						|
    return rev
 | 
						|
 | 
						|
  def FullUrlForRelativeUrl(self, url):
 | 
						|
    # Find the forth '/' and strip from there. A bit hackish.
 | 
						|
    return '/'.join(self.url.split('/')[:4]) + url
 | 
						|
 | 
						|
  def _Run(self, args, options, **kwargs):
 | 
						|
    """Runs a commands that goes to stdout."""
 | 
						|
    kwargs.setdefault('cwd', self.checkout_path)
 | 
						|
    gclient_utils.CheckCallAndFilterAndHeader(['svn'] + args,
 | 
						|
        always=options.verbose, **kwargs)
 | 
						|
 | 
						|
  def _RunAndGetFileList(self, args, options, file_list, cwd=None):
 | 
						|
    """Runs a commands that goes to stdout and grabs the file listed."""
 | 
						|
    cwd = cwd or self.checkout_path
 | 
						|
    scm.SVN.RunAndGetFileList(
 | 
						|
        options.verbose,
 | 
						|
        args + ['--ignore-externals'],
 | 
						|
        cwd=cwd,
 | 
						|
        file_list=file_list)
 | 
						|
 | 
						|
  @staticmethod
 | 
						|
  def _AddAdditionalUpdateFlags(command, options, revision):
 | 
						|
    """Add additional flags to command depending on what options are set.
 | 
						|
    command should be a list of strings that represents an svn command.
 | 
						|
 | 
						|
    This method returns a new list to be used as a command."""
 | 
						|
    new_command = command[:]
 | 
						|
    if revision:
 | 
						|
      new_command.extend(['--revision', str(revision).strip()])
 | 
						|
    # We don't want interaction when jobs are used.
 | 
						|
    if options.jobs > 1:
 | 
						|
      new_command.append('--non-interactive')
 | 
						|
    # --force was added to 'svn update' in svn 1.5.
 | 
						|
    # --accept was added to 'svn update' in svn 1.6.
 | 
						|
    if not scm.SVN.AssertVersion('1.5')[0]:
 | 
						|
      return new_command
 | 
						|
 | 
						|
    # It's annoying to have it block in the middle of a sync, just sensible
 | 
						|
    # defaults.
 | 
						|
    if options.force:
 | 
						|
      new_command.append('--force')
 | 
						|
      if command[0] != 'checkout' and scm.SVN.AssertVersion('1.6')[0]:
 | 
						|
        new_command.extend(('--accept', 'theirs-conflict'))
 | 
						|
    elif options.manually_grab_svn_rev:
 | 
						|
      new_command.append('--force')
 | 
						|
      if command[0] != 'checkout' and scm.SVN.AssertVersion('1.6')[0]:
 | 
						|
        new_command.extend(('--accept', 'postpone'))
 | 
						|
    elif command[0] != 'checkout' and scm.SVN.AssertVersion('1.6')[0]:
 | 
						|
      new_command.extend(('--accept', 'postpone'))
 | 
						|
    return new_command
 |