# Copyright (C) 2008 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import errno
import filecmp
import os
import re
import shutil
import stat
import sys
import urllib2
from color import Coloring
from git_command import GitCommand
from git_config import GitConfig, IsId
from error import GitError, ImportError, UploadError
from remote import Remote
HEAD = 'HEAD'
R_HEADS = 'refs/heads/'
R_TAGS = 'refs/tags/'
R_PUB = 'refs/published/'
R_M = 'refs/remotes/m/'
def _warn(fmt, *args):
msg = fmt % args
print >>sys.stderr, 'warn: %s' % msg
def _info(fmt, *args):
msg = fmt % args
print >>sys.stderr, 'info: %s' % msg
def not_rev(r):
return '^' + r
def sq(r):
return "'" + r.replace("'", "'\''") + "'"
hook_list = None
def repo_hooks():
global hook_list
if hook_list is None:
d = os.path.abspath(os.path.dirname(__file__))
d = os.path.join(d , 'hooks')
hook_list = map(lambda x: os.path.join(d, x), os.listdir(d))
return hook_list
def relpath(dst, src):
src = os.path.dirname(src)
top = os.path.commonprefix([dst, src])
if top.endswith('/'):
top = top[:-1]
else:
top = os.path.dirname(top)
tmp = src
rel = ''
while top != tmp:
rel += '../'
tmp = os.path.dirname(tmp)
return rel + dst[len(top) + 1:]
class DownloadedChange(object):
_commit_cache = None
def __init__(self, project, base, change_id, ps_id, commit):
self.project = project
self.base = base
self.change_id = change_id
self.ps_id = ps_id
self.commit = commit
@property
def commits(self):
if self._commit_cache is None:
self._commit_cache = self.project.bare_git.rev_list(
'--abbrev=8',
'--abbrev-commit',
'--pretty=oneline',
'--reverse',
'--date-order',
not_rev(self.base),
self.commit,
'--')
return self._commit_cache
class ReviewableBranch(object):
_commit_cache = None
def __init__(self, project, branch, base):
self.project = project
self.branch = branch
self.base = base
self.replace_changes = None
@property
def name(self):
return self.branch.name
@property
def commits(self):
if self._commit_cache is None:
self._commit_cache = self.project.bare_git.rev_list(
'--abbrev=8',
'--abbrev-commit',
'--pretty=oneline',
'--reverse',
'--date-order',
not_rev(self.base),
R_HEADS + self.name,
'--')
return self._commit_cache
@property
def unabbrev_commits(self):
r = dict()
for commit in self.project.bare_git.rev_list(
not_rev(self.base),
R_HEADS + self.name,
'--'):
r[commit[0:8]] = commit
return r
@property
def date(self):
return self.project.bare_git.log(
'--pretty=format:%cd',
'-n', '1',
R_HEADS + self.name,
'--')
def UploadForReview(self, people):
self.project.UploadForReview(self.name,
self.replace_changes,
people)
@property
def tip_url(self):
me = self.project.GetBranch(self.name)
commit = self.project.bare_git.rev_parse(R_HEADS + self.name)
return 'http://%s/r/%s' % (me.remote.review, commit[0:12])
@property
def owner_email(self):
return self.project.UserEmail
class StatusColoring(Coloring):
def __init__(self, config):
Coloring.__init__(self, config, 'status')
self.project = self.printer('header', attr = 'bold')
self.branch = self.printer('header', attr = 'bold')
self.nobranch = self.printer('nobranch', fg = 'red')
self.added = self.printer('added', fg = 'green')
self.changed = self.printer('changed', fg = 'red')
self.untracked = self.printer('untracked', fg = 'red')
class DiffColoring(Coloring):
def __init__(self, config):
Coloring.__init__(self, config, 'diff')
self.project = self.printer('header', attr = 'bold')
class _CopyFile:
def __init__(self, src, dest):
self.src = src
self.dest = dest
def _Copy(self):
src = self.src
dest = self.dest
# copy file if it does not exist or is out of date
if not os.path.exists(dest) or not filecmp.cmp(src, dest):
try:
# remove existing file first, since it might be read-only
if os.path.exists(dest):
os.remove(dest)
shutil.copy(src, dest)
# make the file read-only
mode = os.stat(dest)[stat.ST_MODE]
mode = mode & ~(stat.S_IWUSR | stat.S_IWGRP | stat.S_IWOTH)
os.chmod(dest, mode)
except IOError:
print >>sys.stderr, \
'error: Cannot copy file %s to %s' \
% (src, dest)
class Project(object):
def __init__(self,
manifest,
name,
remote,
gitdir,
worktree,
relpath,
revision):
self.manifest = manifest
self.name = name
self.remote = remote
self.gitdir = gitdir
self.worktree = worktree
self.relpath = relpath
self.revision = revision
self.snapshots = {}
self.extraRemotes = {}
self.copyfiles = []
self.config = GitConfig.ForRepository(
gitdir = self.gitdir,
defaults = self.manifest.globalConfig)
if self.worktree:
self.work_git = self._GitGetByExec(self, bare=False)
else:
self.work_git = None
self.bare_git = self._GitGetByExec(self, bare=True)
@property
def Exists(self):
return os.path.isdir(self.gitdir)
@property
def CurrentBranch(self):
"""Obtain the name of the currently checked out branch.
The branch name omits the 'refs/heads/' prefix.
None is returned if the project is on a detached HEAD.
"""
try:
b = self.work_git.GetHead()
except GitError:
return None
if b.startswith(R_HEADS):
return b[len(R_HEADS):]
return None
def IsDirty(self, consider_untracked=True):
"""Is the working directory modified in some way?
"""
self.work_git.update_index('-q',
'--unmerged',
'--ignore-missing',
'--refresh')
if self.work_git.DiffZ('diff-index','-M','--cached',HEAD):
return True
if self.work_git.DiffZ('diff-files'):
return True
if consider_untracked and self.work_git.LsOthers():
return True
return False
_userident_name = None
_userident_email = None
@property
def UserName(self):
"""Obtain the user's personal name.
"""
if self._userident_name is None:
self._LoadUserIdentity()
return self._userident_name
@property
def UserEmail(self):
"""Obtain the user's email address. This is very likely
to be their Gerrit login.
"""
if self._userident_email is None:
self._LoadUserIdentity()
return self._userident_email
def _LoadUserIdentity(self):
u = self.bare_git.var('GIT_COMMITTER_IDENT')
m = re.compile("^(.*) <([^>]*)> ").match(u)
if m:
self._userident_name = m.group(1)
self._userident_email = m.group(2)
else:
self._userident_name = ''
self._userident_email = ''
def GetRemote(self, name):
"""Get the configuration for a single remote.
"""
return self.config.GetRemote(name)
def GetBranch(self, name):
"""Get the configuration for a single branch.
"""
return self.config.GetBranch(name)
## Status Display ##
def PrintWorkTreeStatus(self):
"""Prints the status of the repository to stdout.
"""
if not os.path.isdir(self.worktree):
print ''
print 'project %s/' % self.relpath
print ' missing (run "repo sync")'
return
self.work_git.update_index('-q',
'--unmerged',
'--ignore-missing',
'--refresh')
di = self.work_git.DiffZ('diff-index', '-M', '--cached', HEAD)
df = self.work_git.DiffZ('diff-files')
do = self.work_git.LsOthers()
if not di and not df and not do:
return
out = StatusColoring(self.config)
out.project('project %-40s', self.relpath + '/')
branch = self.CurrentBranch
if branch is None:
out.nobranch('(*** NO BRANCH ***)')
else:
out.branch('branch %s', branch)
out.nl()
paths = list()
paths.extend(di.keys())
paths.extend(df.keys())
paths.extend(do)
paths = list(set(paths))
paths.sort()
for p in paths:
try: i = di[p]
except KeyError: i = None
try: f = df[p]
except KeyError: f = None
if i: i_status = i.status.upper()
else: i_status = '-'
if f: f_status = f.status.lower()
else: f_status = '-'
if i and i.src_path:
line = ' %s%s\t%s => (%s%%)' % (i_status, f_status,
i.src_path, p, i.level)
else:
line = ' %s%s\t%s' % (i_status, f_status, p)
if i and not f:
out.added('%s', line)
elif (i and f) or (not i and f):
out.changed('%s', line)
elif not i and not f:
out.untracked('%s', line)
else:
out.write('%s', line)
out.nl()
def PrintWorkTreeDiff(self):
"""Prints the status of the repository to stdout.
"""
out = DiffColoring(self.config)
cmd = ['diff']
if out.is_on:
cmd.append('--color')
cmd.append(HEAD)
cmd.append('--')
p = GitCommand(self,
cmd,
capture_stdout = True,
capture_stderr = True)
has_diff = False
for line in p.process.stdout:
if not has_diff:
out.nl()
out.project('project %s/' % self.relpath)
out.nl()
has_diff = True
print line[:-1]
p.Wait()
## Publish / Upload ##
def WasPublished(self, branch):
"""Was the branch published (uploaded) for code review?
If so, returns the SHA-1 hash of the last published
state for the branch.
"""
try:
return self.bare_git.rev_parse(R_PUB + branch)
except GitError:
return None
def CleanPublishedCache(self):
"""Prunes any stale published refs.
"""
heads = set()
canrm = {}
for name, id in self._allrefs.iteritems():
if name.startswith(R_HEADS):
heads.add(name)
elif name.startswith(R_PUB):
canrm[name] = id
for name, id in canrm.iteritems():
n = name[len(R_PUB):]
if R_HEADS + n not in heads:
self.bare_git.DeleteRef(name, id)
def GetUploadableBranches(self):
"""List any branches which can be uploaded for review.
"""
heads = {}
pubed = {}
for name, id in self._allrefs.iteritems():
if name.startswith(R_HEADS):
heads[name[len(R_HEADS):]] = id
elif name.startswith(R_PUB):
pubed[name[len(R_PUB):]] = id
ready = []
for branch, id in heads.iteritems():
if branch in pubed and pubed[branch] == id:
continue
rb = self.GetUploadableBranch(branch)
if rb:
ready.append(rb)
return ready
def GetUploadableBranch(self, branch_name):
"""Get a single uploadable branch, or None.
"""
branch = self.GetBranch(branch_name)
base = branch.LocalMerge
if branch.LocalMerge:
rb = ReviewableBranch(self, branch, base)
if rb.commits:
return rb
return None
def UploadForReview(self, branch=None, replace_changes=None, people=([],[])):
"""Uploads the named branch for code review.
"""
if branch is None:
branch = self.CurrentBranch
if branch is None:
raise GitError('not currently on a branch')
branch = self.GetBranch(branch)
if not branch.LocalMerge:
raise GitError('branch %s does not track a remote' % branch.name)
if not branch.remote.review:
raise GitError('remote %s has no review url' % branch.remote.name)
dest_branch = branch.merge
if not dest_branch.startswith(R_HEADS):
dest_branch = R_HEADS + dest_branch
if not branch.remote.projectname:
branch.remote.projectname = self.name
branch.remote.Save()
if branch.remote.ReviewProtocol == 'ssh':
if dest_branch.startswith(R_HEADS):
dest_branch = dest_branch[len(R_HEADS):]
rp = ['gerrit receive-pack']
for e in people[0]:
rp.append('--reviewer=%s' % sq(e))
for e in people[1]:
rp.append('--cc=%s' % sq(e))
cmd = ['push']
cmd.append('--receive-pack=%s' % " ".join(rp))
cmd.append(branch.remote.SshReviewUrl(self.UserEmail))
cmd.append('%s:refs/for/%s' % (R_HEADS + branch.name, dest_branch))
if replace_changes:
for change_id,commit_id in replace_changes.iteritems():
cmd.append('%s:refs/changes/%s/new' % (commit_id, change_id))
if GitCommand(self, cmd, bare = True).Wait() != 0:
raise UploadError('Upload failed')
else:
raise UploadError('Unsupported protocol %s' \
% branch.remote.review)
msg = "posted to %s for %s" % (branch.remote.review, dest_branch)
self.bare_git.UpdateRef(R_PUB + branch.name,
R_HEADS + branch.name,
message = msg)
## Sync ##
def Sync_NetworkHalf(self):
"""Perform only the network IO portion of the sync process.
Local working directory/branch state is not affected.
"""
if not self.Exists:
print >>sys.stderr
print >>sys.stderr, 'Initializing project %s ...' % self.name
self._InitGitDir()
self._InitRemote()
for r in self.extraRemotes.values():
if not self._RemoteFetch(r.name):
return False
if not self._RemoteFetch():
return False
if self.worktree:
self._RepairAndroidImportErrors()
self._InitMRef()
else:
self._InitMirrorHead()
try:
os.remove(os.path.join(self.gitdir, 'FETCH_HEAD'))
except OSError:
pass
return True
def PostRepoUpgrade(self):
self._InitHooks()
def _CopyFiles(self):
for file in self.copyfiles:
file._Copy()
def _RepairAndroidImportErrors(self):
if self.name in ['platform/external/iptables',
'platform/external/libpcap',
'platform/external/tcpdump',
'platform/external/webkit',
'platform/system/wlan/ti']:
# I hate myself for doing this...
#
# In the initial Android 1.0 release these projects were
# shipped, some users got them, and then the history had
# to be rewritten to correct problems with their imports.
# The 'android-1.0' tag may still be pointing at the old
# history, so we need to drop the tag and fetch it again.
#
try:
remote = self.GetRemote(self.remote.name)
relname = remote.ToLocal(R_HEADS + 'release-1.0')
tagname = R_TAGS + 'android-1.0'
if self._revlist(not_rev(relname), tagname):
cmd = ['fetch', remote.name, '+%s:%s' % (tagname, tagname)]
GitCommand(self, cmd, bare = True).Wait()
except GitError:
pass
def Sync_LocalHalf(self):
"""Perform only the local IO portion of the sync process.
Network access is not required.
Return:
True: the sync was successful
False: the sync requires user input
"""
self._InitWorkTree()
self.CleanPublishedCache()
rem = self.GetRemote(self.remote.name)
rev = rem.ToLocal(self.revision)
branch = self.CurrentBranch
if branch is None:
# Currently on a detached HEAD. The user is assumed to
# not have any local modifications worth worrying about.
#
lost = self._revlist(not_rev(rev), HEAD)
if lost:
_info("[%s] Discarding %d commits", self.name, len(lost))
try:
self._Checkout(rev, quiet=True)
except GitError:
return False
self._CopyFiles()
return True
branch = self.GetBranch(branch)
merge = branch.LocalMerge
if not merge:
# The current branch has no tracking configuration.
# Jump off it to a deatched HEAD.
#
_info("[%s] Leaving %s"
" (does not track any upstream)",
self.name,
branch.name)
try:
self._Checkout(rev, quiet=True)
except GitError:
return False
self._CopyFiles()
return True
upstream_gain = self._revlist(not_rev(HEAD), rev)
pub = self.WasPublished(branch.name)
if pub:
not_merged = self._revlist(not_rev(rev), pub)
if not_merged:
if upstream_gain:
# The user has published this branch and some of those
# commits are not yet merged upstream. We do not want
# to rewrite the published commits so we punt.
#
_info("[%s] Branch %s is published,"
" but is now %d commits behind.",
self.name, branch.name, len(upstream_gain))
_info("[%s] Consider merging or rebasing the"
" unpublished commits.", self.name)
return True
elif upstream_gain:
# We can fast-forward safely.
#
try:
self._FastForward(rev)
except GitError:
return False
self._CopyFiles()
return True
else:
# Trivially no changes in the upstream.
#
return True
if merge == rev:
try:
old_merge = self.bare_git.rev_parse('%s@{1}' % merge)
except GitError:
old_merge = merge
if old_merge == '0000000000000000000000000000000000000000' \
or old_merge == '':
old_merge = merge
else:
# The upstream switched on us. Time to cross our fingers
# and pray that the old upstream also wasn't in the habit
# of rebasing itself.
#
_info("[%s] Manifest switched from %s to %s",
self.name, merge, rev)
old_merge = merge
if rev == old_merge:
upstream_lost = []
else:
upstream_lost = self._revlist(not_rev(rev), old_merge)
if not upstream_lost and not upstream_gain:
# Trivially no changes caused by the upstream.
#
return True
if self.IsDirty(consider_untracked=False):
_warn('[%s] commit (or discard) uncommitted changes'
' before sync', self.name)
return False
if upstream_lost:
# Upstream rebased. Not everything in HEAD
# may have been caused by the user.
#
_info("[%s] Discarding %d commits removed from upstream",
self.name, len(upstream_lost))
branch.remote = rem
branch.merge = self.revision
branch.Save()
my_changes = self._revlist(not_rev(old_merge), HEAD)
if my_changes:
try:
self._Rebase(upstream = old_merge, onto = rev)
except GitError:
return False
elif upstream_lost:
try:
self._ResetHard(rev)
except GitError:
return False
else:
try:
self._FastForward(rev)
except GitError:
return False
self._CopyFiles()
return True
def AddCopyFile(self, src, dest):
# dest should already be an absolute path, but src is project relative
# make src an absolute path
src = os.path.join(self.worktree, src)
self.copyfiles.append(_CopyFile(src, dest))
def DownloadPatchSet(self, change_id, patch_id):
"""Download a single patch set of a single change to FETCH_HEAD.
"""
remote = self.GetRemote(self.remote.name)
cmd = ['fetch', remote.name]
cmd.append('refs/changes/%2.2d/%d/%d' \
% (change_id % 100, change_id, patch_id))
cmd.extend(map(lambda x: str(x), remote.fetch))
if GitCommand(self, cmd, bare=True).Wait() != 0:
return None
return DownloadedChange(self,
remote.ToLocal(self.revision),
change_id,
patch_id,
self.bare_git.rev_parse('FETCH_HEAD'))
## Branch Management ##
def StartBranch(self, name):
"""Create a new branch off the manifest's revision.
"""
branch = self.GetBranch(name)
branch.remote = self.GetRemote(self.remote.name)
branch.merge = self.revision
rev = branch.LocalMerge
cmd = ['checkout', '-b', branch.name, rev]
if GitCommand(self, cmd).Wait() == 0:
branch.Save()
else:
raise GitError('%s checkout %s ' % (self.name, rev))
def AbandonBranch(self, name):
"""Destroy a local topic branch.
"""
try:
tip_rev = self.bare_git.rev_parse(R_HEADS + name)
except GitError:
return
if self.CurrentBranch == name:
self._Checkout(
self.GetRemote(self.remote.name).ToLocal(self.revision),
quiet=True)
cmd = ['branch', '-D', name]
GitCommand(self, cmd, capture_stdout=True).Wait()
def PruneHeads(self):
"""Prune any topic branches already merged into upstream.
"""
cb = self.CurrentBranch
kill = []
for name in self._allrefs.keys():
if name.startswith(R_HEADS):
name = name[len(R_HEADS):]
if cb is None or name != cb:
kill.append(name)
rev = self.GetRemote(self.remote.name).ToLocal(self.revision)
if cb is not None \
and not self._revlist(HEAD + '...' + rev) \
and not self.IsDirty(consider_untracked = False):
self.work_git.DetachHead(HEAD)
kill.append(cb)
deleted = set()
if kill:
try:
old = self.bare_git.GetHead()
except GitError:
old = 'refs/heads/please_never_use_this_as_a_branch_name'
rm_re = re.compile(r"^Deleted branch (.*)\.$")
try:
self.bare_git.DetachHead(rev)
b = ['branch', '-d']
b.extend(kill)
b = GitCommand(self, b, bare=True,
capture_stdout=True,
capture_stderr=True)
b.Wait()
finally:
self.bare_git.SetHead(old)
for line in b.stdout.split("\n"):
m = rm_re.match(line)
if m:
deleted.add(m.group(1))
if deleted:
self.CleanPublishedCache()
if cb and cb not in kill:
kill.append(cb)
kill.sort()
kept = []
for branch in kill:
if branch not in deleted:
branch = self.GetBranch(branch)
base = branch.LocalMerge
if not base:
base = rev
kept.append(ReviewableBranch(self, branch, base))
return kept
## Direct Git Commands ##
def _RemoteFetch(self, name=None):
if not name:
name = self.remote.name
cmd = ['fetch']
if not self.worktree:
cmd.append('--update-head-ok')
cmd.append(name)
return GitCommand(self, cmd, bare = True).Wait() == 0
def _Checkout(self, rev, quiet=False):
cmd = ['checkout']
if quiet:
cmd.append('-q')
cmd.append(rev)
cmd.append('--')
if GitCommand(self, cmd).Wait() != 0:
if self._allrefs:
raise GitError('%s checkout %s ' % (self.name, rev))
def _ResetHard(self, rev, quiet=True):
cmd = ['reset', '--hard']
if quiet:
cmd.append('-q')
cmd.append(rev)
if GitCommand(self, cmd).Wait() != 0:
raise GitError('%s reset --hard %s ' % (self.name, rev))
def _Rebase(self, upstream, onto = None):
cmd = ['rebase', '-i']
if onto is not None:
cmd.extend(['--onto', onto])
cmd.append(upstream)
if GitCommand(self, cmd, disable_editor=True).Wait() != 0:
raise GitError('%s rebase %s ' % (self.name, upstream))
def _FastForward(self, head):
cmd = ['merge', head]
if GitCommand(self, cmd).Wait() != 0:
raise GitError('%s merge %s ' % (self.name, head))
def _InitGitDir(self):
if not os.path.exists(self.gitdir):
os.makedirs(self.gitdir)
self.bare_git.init()
self.config.SetString('core.bare', None)
hooks = self._gitdir_path('hooks')
try:
to_rm = os.listdir(hooks)
except OSError:
to_rm = []
for old_hook in to_rm:
os.remove(os.path.join(hooks, old_hook))
self._InitHooks()
m = self.manifest.manifestProject.config
for key in ['user.name', 'user.email']:
if m.Has(key, include_defaults = False):
self.config.SetString(key, m.GetString(key))
def _InitHooks(self):
hooks = self._gitdir_path('hooks')
if not os.path.exists(hooks):
os.makedirs(hooks)
for stock_hook in repo_hooks():
dst = os.path.join(hooks, os.path.basename(stock_hook))
try:
os.symlink(relpath(stock_hook, dst), dst)
except OSError, e:
if e.errno == errno.EEXIST:
pass
elif e.errno == errno.EPERM:
raise GitError('filesystem must support symlinks')
else:
raise
def _InitRemote(self):
if self.remote.fetchUrl:
remote = self.GetRemote(self.remote.name)
url = self.remote.fetchUrl
while url.endswith('/'):
url = url[:-1]
url += '/%s.git' % self.name
remote.url = url
remote.review = self.remote.reviewUrl
if remote.projectname is None:
remote.projectname = self.name
if self.worktree:
remote.ResetFetch(mirror=False)
else:
remote.ResetFetch(mirror=True)
remote.Save()
for r in self.extraRemotes.values():
remote = self.GetRemote(r.name)
remote.url = r.fetchUrl
remote.review = r.reviewUrl
if r.projectName:
remote.projectname = r.projectName
elif remote.projectname is None:
remote.projectname = self.name
remote.ResetFetch()
remote.Save()
def _InitMRef(self):
if self.manifest.branch:
msg = 'manifest set to %s' % self.revision
ref = R_M + self.manifest.branch
if IsId(self.revision):
dst = self.revision + '^0'
self.bare_git.UpdateRef(ref, dst, message = msg, detach = True)
else:
remote = self.GetRemote(self.remote.name)
dst = remote.ToLocal(self.revision)
self.bare_git.symbolic_ref('-m', msg, ref, dst)
def _InitMirrorHead(self):
dst = self.GetRemote(self.remote.name).ToLocal(self.revision)
msg = 'manifest set to %s' % self.revision
self.bare_git.SetHead(dst, message=msg)
def _InitWorkTree(self):
dotgit = os.path.join(self.worktree, '.git')
if not os.path.exists(dotgit):
os.makedirs(dotgit)
for name in ['config',
'description',
'hooks',
'info',
'logs',
'objects',
'packed-refs',
'refs',
'rr-cache',
'svn']:
try:
src = os.path.join(self.gitdir, name)
dst = os.path.join(dotgit, name)
os.symlink(relpath(src, dst), dst)
except OSError, e:
if e.errno == errno.EPERM:
raise GitError('filesystem must support symlinks')
else:
raise
rev = self.GetRemote(self.remote.name).ToLocal(self.revision)
rev = self.bare_git.rev_parse('%s^0' % rev)
f = open(os.path.join(dotgit, HEAD), 'wb')
f.write("%s\n" % rev)
f.close()
cmd = ['read-tree', '--reset', '-u']
cmd.append('-v')
cmd.append('HEAD')
if GitCommand(self, cmd).Wait() != 0:
raise GitError("cannot initialize work tree")
def _gitdir_path(self, path):
return os.path.join(self.gitdir, path)
def _revlist(self, *args):
cmd = []
cmd.extend(args)
cmd.append('--')
return self.work_git.rev_list(*args)
@property
def _allrefs(self):
return self.bare_git.ListRefs()
class _GitGetByExec(object):
def __init__(self, project, bare):
self._project = project
self._bare = bare
def ListRefs(self, *args):
cmdv = ['for-each-ref', '--format=%(objectname) %(refname)']
cmdv.extend(args)
p = GitCommand(self._project,
cmdv,
bare = self._bare,
capture_stdout = True,
capture_stderr = True)
r = {}
for line in p.process.stdout:
id, name = line[:-1].split(' ', 2)
r[name] = id
if p.Wait() != 0:
raise GitError('%s for-each-ref %s: %s' % (
self._project.name,
str(args),
p.stderr))
return r
def LsOthers(self):
p = GitCommand(self._project,
['ls-files',
'-z',
'--others',
'--exclude-standard'],
bare = False,
capture_stdout = True,
capture_stderr = True)
if p.Wait() == 0:
out = p.stdout
if out:
return out[:-1].split("\0")
return []
def DiffZ(self, name, *args):
cmd = [name]
cmd.append('-z')
cmd.extend(args)
p = GitCommand(self._project,
cmd,
bare = False,
capture_stdout = True,
capture_stderr = True)
try:
out = p.process.stdout.read()
r = {}
if out:
out = iter(out[:-1].split('\0'))
while out:
try:
info = out.next()
path = out.next()
except StopIteration:
break
class _Info(object):
def __init__(self, path, omode, nmode, oid, nid, state):
self.path = path
self.src_path = None
self.old_mode = omode
self.new_mode = nmode
self.old_id = oid
self.new_id = nid
if len(state) == 1:
self.status = state
self.level = None
else:
self.status = state[:1]
self.level = state[1:]
while self.level.startswith('0'):
self.level = self.level[1:]
info = info[1:].split(' ')
info =_Info(path, *info)
if info.status in ('R', 'C'):
info.src_path = info.path
info.path = out.next()
r[info.path] = info
return r
finally:
p.Wait()
def GetHead(self):
return self.symbolic_ref(HEAD)
def SetHead(self, ref, message=None):
cmdv = []
if message is not None:
cmdv.extend(['-m', message])
cmdv.append(HEAD)
cmdv.append(ref)
self.symbolic_ref(*cmdv)
def DetachHead(self, new, message=None):
cmdv = ['--no-deref']
if message is not None:
cmdv.extend(['-m', message])
cmdv.append(HEAD)
cmdv.append(new)
self.update_ref(*cmdv)
def UpdateRef(self, name, new, old=None,
message=None,
detach=False):
cmdv = []
if message is not None:
cmdv.extend(['-m', message])
if detach:
cmdv.append('--no-deref')
cmdv.append(name)
cmdv.append(new)
if old is not None:
cmdv.append(old)
self.update_ref(*cmdv)
def DeleteRef(self, name, old=None):
if not old:
old = self.rev_parse(name)
self.update_ref('-d', name, old)
def rev_list(self, *args):
cmdv = ['rev-list']
cmdv.extend(args)
p = GitCommand(self._project,
cmdv,
bare = self._bare,
capture_stdout = True,
capture_stderr = True)
r = []
for line in p.process.stdout:
r.append(line[:-1])
if p.Wait() != 0:
raise GitError('%s rev-list %s: %s' % (
self._project.name,
str(args),
p.stderr))
return r
def __getattr__(self, name):
name = name.replace('_', '-')
def runner(*args):
cmdv = [name]
cmdv.extend(args)
p = GitCommand(self._project,
cmdv,
bare = self._bare,
capture_stdout = True,
capture_stderr = True)
if p.Wait() != 0:
raise GitError('%s %s: %s' % (
self._project.name,
name,
p.stderr))
r = p.stdout
if r.endswith('\n') and r.index('\n') == len(r) - 1:
return r[:-1]
return r
return runner
class MetaProject(Project):
"""A special project housed under .repo.
"""
def __init__(self, manifest, name, gitdir, worktree):
repodir = manifest.repodir
Project.__init__(self,
manifest = manifest,
name = name,
gitdir = gitdir,
worktree = worktree,
remote = Remote('origin'),
relpath = '.repo/%s' % name,
revision = 'refs/heads/master')
def PreSync(self):
if self.Exists:
cb = self.CurrentBranch
if cb:
base = self.GetBranch(cb).merge
if base:
self.revision = base
@property
def HasChanges(self):
"""Has the remote received new commits not yet checked out?
"""
rev = self.GetRemote(self.remote.name).ToLocal(self.revision)
if self._revlist(not_rev(HEAD), rev):
return True
return False