You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
950 lines
38 KiB
Python
950 lines
38 KiB
Python
# Copyright (c) 2011 The Chromium Authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
|
|
"""Gclient-specific SCM-specific operations."""
|
|
|
|
import logging
|
|
import os
|
|
import posixpath
|
|
import re
|
|
import sys
|
|
import time
|
|
|
|
import gclient_utils
|
|
import scm
|
|
import subprocess2
|
|
|
|
|
|
class DiffFilterer(object):
|
|
"""Simple class which tracks which file is being diffed and
|
|
replaces instances of its file name in the original and
|
|
working copy lines of the svn/git diff output."""
|
|
index_string = "Index: "
|
|
original_prefix = "--- "
|
|
working_prefix = "+++ "
|
|
|
|
def __init__(self, relpath):
|
|
# Note that we always use '/' as the path separator to be
|
|
# consistent with svn's cygwin-style output on Windows
|
|
self._relpath = relpath.replace("\\", "/")
|
|
self._current_file = ""
|
|
self._replacement_file = ""
|
|
|
|
def SetCurrentFile(self, current_file):
|
|
self._current_file = current_file
|
|
# Note that we always use '/' as the path separator to be
|
|
# consistent with svn's cygwin-style output on Windows
|
|
self._replacement_file = posixpath.join(self._relpath, current_file)
|
|
|
|
def _Replace(self, line):
|
|
return line.replace(self._current_file, self._replacement_file)
|
|
|
|
def Filter(self, line):
|
|
if (line.startswith(self.index_string)):
|
|
self.SetCurrentFile(line[len(self.index_string):])
|
|
line = self._Replace(line)
|
|
else:
|
|
if (line.startswith(self.original_prefix) or
|
|
line.startswith(self.working_prefix)):
|
|
line = self._Replace(line)
|
|
print(line)
|
|
|
|
|
|
def ask_for_data(prompt):
|
|
try:
|
|
return raw_input(prompt)
|
|
except KeyboardInterrupt:
|
|
# Hide the exception.
|
|
sys.exit(1)
|
|
|
|
|
|
### SCM abstraction layer
|
|
|
|
# Factory Method for SCM wrapper creation
|
|
|
|
def GetScmName(url):
|
|
if url:
|
|
url, _ = gclient_utils.SplitUrlRevision(url)
|
|
if (url.startswith('git://') or url.startswith('ssh://') or
|
|
url.endswith('.git')):
|
|
return 'git'
|
|
elif (url.startswith('http://') or url.startswith('https://') or
|
|
url.startswith('svn://') or url.startswith('svn+ssh://')):
|
|
return 'svn'
|
|
return None
|
|
|
|
|
|
def CreateSCM(url, root_dir=None, relpath=None):
|
|
SCM_MAP = {
|
|
'svn' : SVNWrapper,
|
|
'git' : GitWrapper,
|
|
}
|
|
|
|
scm_name = GetScmName(url)
|
|
if not scm_name in SCM_MAP:
|
|
raise gclient_utils.Error('No SCM found for url %s' % url)
|
|
return SCM_MAP[scm_name](url, root_dir, relpath)
|
|
|
|
|
|
# SCMWrapper base class
|
|
|
|
class SCMWrapper(object):
|
|
"""Add necessary glue between all the supported SCM.
|
|
|
|
This is the abstraction layer to bind to different SCM.
|
|
"""
|
|
def __init__(self, url=None, root_dir=None, relpath=None):
|
|
self.url = url
|
|
self._root_dir = root_dir
|
|
if self._root_dir:
|
|
self._root_dir = self._root_dir.replace('/', os.sep)
|
|
self.relpath = relpath
|
|
if self.relpath:
|
|
self.relpath = self.relpath.replace('/', os.sep)
|
|
if self.relpath and self._root_dir:
|
|
self.checkout_path = os.path.join(self._root_dir, self.relpath)
|
|
|
|
def RunCommand(self, command, options, args, file_list=None):
|
|
# file_list will have all files that are modified appended to it.
|
|
if file_list is None:
|
|
file_list = []
|
|
|
|
commands = ['cleanup', 'update', 'updatesingle', 'revert',
|
|
'revinfo', 'status', 'diff', 'pack', 'runhooks']
|
|
|
|
if not command in commands:
|
|
raise gclient_utils.Error('Unknown command %s' % command)
|
|
|
|
if not command in dir(self):
|
|
raise gclient_utils.Error('Command %s not implemented in %s wrapper' % (
|
|
command, self.__class__.__name__))
|
|
|
|
return getattr(self, command)(options, args, file_list)
|
|
|
|
|
|
class GitWrapper(SCMWrapper):
|
|
"""Wrapper for Git"""
|
|
|
|
def GetRevisionDate(self, revision):
|
|
"""Returns the given revision's date in ISO-8601 format (which contains the
|
|
time zone)."""
|
|
# TODO(floitsch): get the time-stamp of the given revision and not just the
|
|
# time-stamp of the currently checked out revision.
|
|
return self._Capture(['log', '-n', '1', '--format=%ai'])
|
|
|
|
@staticmethod
|
|
def cleanup(options, args, file_list):
|
|
"""'Cleanup' the repo.
|
|
|
|
There's no real git equivalent for the svn cleanup command, do a no-op.
|
|
"""
|
|
|
|
def diff(self, options, args, file_list):
|
|
merge_base = self._Capture(['merge-base', 'HEAD', 'origin'])
|
|
self._Run(['diff', merge_base], options)
|
|
|
|
def pack(self, options, args, file_list):
|
|
"""Generates a patch file which can be applied to the root of the
|
|
repository.
|
|
|
|
The patch file is generated from a diff of the merge base of HEAD and
|
|
its upstream branch.
|
|
"""
|
|
merge_base = self._Capture(['merge-base', 'HEAD', 'origin'])
|
|
gclient_utils.CheckCallAndFilter(
|
|
['git', 'diff', merge_base],
|
|
cwd=self.checkout_path,
|
|
filter_fn=DiffFilterer(self.relpath).Filter)
|
|
|
|
def update(self, options, args, file_list):
|
|
"""Runs git 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.
|
|
"""
|
|
if args:
|
|
raise gclient_utils.Error("Unsupported argument(s): %s" % ",".join(args))
|
|
|
|
self._CheckMinVersion("1.6.6")
|
|
|
|
default_rev = "refs/heads/master"
|
|
url, deps_revision = gclient_utils.SplitUrlRevision(self.url)
|
|
rev_str = ""
|
|
revision = deps_revision
|
|
if options.revision:
|
|
# Override the revision number.
|
|
revision = str(options.revision)
|
|
if not revision:
|
|
revision = default_rev
|
|
|
|
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
|
|
|
|
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):
|
|
self._Clone(revision, url, options)
|
|
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 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', 'origin/master'] + quiet, options)
|
|
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)
|
|
|
|
# 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('')
|
|
|
|
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))
|
|
|
|
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)
|
|
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 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']
|
|
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):
|
|
os.makedirs(parent_dir)
|
|
|
|
for _ in range(3):
|
|
try:
|
|
self._Run(clone_cmd, options, cwd=self._root_dir)
|
|
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)
|
|
gclient_utils.CheckCallAndFilterAndHeader(['git'] + args,
|
|
always=options.verbose, **kwargs)
|
|
|
|
|
|
class SVNWrapper(SCMWrapper):
|
|
""" Wrapper for SVN """
|
|
|
|
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=DiffFilterer(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
|
|
if options.revision:
|
|
# Override the revision number.
|
|
revision = str(options.revision)
|
|
if revision:
|
|
forced_revision = True
|
|
# Reconstruct the url.
|
|
url = '%s@%s' % (url, revision)
|
|
rev_str = ' at %s' % revision
|
|
else:
|
|
forced_revision = False
|
|
rev_str = ''
|
|
|
|
if not os.path.exists(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
|
|
|
|
# Get the existing scm url and the revision number of the current checkout.
|
|
try:
|
|
from_info = scm.SVN.CaptureInfo(os.path.join(self.checkout_path, '.'))
|
|
except (gclient_utils.Error, subprocess2.CalledProcessError):
|
|
raise gclient_utils.Error(
|
|
('Can\'t update/checkout %s if an unversioned directory is present. '
|
|
'Delete the directory and try again.') % self.checkout_path)
|
|
|
|
# Look for locked directories.
|
|
dir_info = scm.SVN.CaptureStatus(os.path.join(self.checkout_path, '.'))
|
|
if [True for d in dir_info
|
|
if d[0][2] == 'L' and d[1] == self.checkout_path]:
|
|
# The current directory is locked, clean it up.
|
|
self._Run(['cleanup'], options)
|
|
|
|
# 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.CaptureInfo(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.CaptureInfo(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(self.checkout_path):
|
|
if status[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))
|
|
return
|
|
|
|
command = ['update', self.checkout_path]
|
|
command = self._AddAdditionalUpdateFlags(command, options, revision)
|
|
self._RunAndGetFileList(command, options, file_list, self._root_dir)
|
|
|
|
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):
|
|
os.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):
|
|
# 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)
|
|
|
|
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)
|
|
|
|
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 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()])
|
|
# --force was added to 'svn update' in svn 1.5.
|
|
if ((options.force or options.manually_grab_svn_rev) and
|
|
scm.SVN.AssertVersion("1.5")[0]):
|
|
new_command.append('--force')
|
|
return new_command
|