/usr/share/pyshared/buildslave/commands/repo.py is in buildbot-slave 0.8.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members
import os
import re
import textwrap
from twisted.internet import defer
from buildslave.commands.base import SourceBaseCommand
from buildslave import runprocess
from buildslave.commands.base import AbandonChain
class Repo(SourceBaseCommand):
"""Repo specific VC operation. In addition to the arguments
handled by SourceBaseCommand, this command reads the following keys:
['manifest_url'] (required): The manifests repo repository.
['manifest_branch'] (optional): Which manifest repo version (i.e. branch or tag)
to retrieve. Default: "master".
['manifest_file'] (optional): Which manifest file to use. Default: "default.xml".
['manifest_override_url'] (optional): Which manifest file to use as an overide. Default: None.
This is usually set by forced build to build over a known working base
['tarball'] (optional): The tarball base to accelerate the fetch.
['repo_downloads'] (optional): Repo downloads to do. Computer from GerritChangeSource
and forced build properties.
['jobs'] (optional): number of connections to run in parallel
repo tool will use while syncing
"""
header = "repo operation"
def setup(self, args):
SourceBaseCommand.setup(self, args)
self.manifest_url = args.get('manifest_url')
self.manifest_branch = args.get('manifest_branch')
self.manifest_file = args.get('manifest_file')
self.manifest_override_url = args.get('manifest_override_url')
self.tarball = args.get('tarball')
self.repo_downloads = args.get('repo_downloads')
# we're using string instead of an array here, because it will be transferred back
# to the master as string anyway and using eval() could have security implications.
self.repo_downloaded = ""
self.jobs = args.get('jobs')
self.sourcedata = "%s %s" % (self.manifest_url, self.manifest_file)
self.re_change = re.compile(".* refs/changes/\d\d/(\d+)/(\d+) -> FETCH_HEAD$")
self.re_head = re.compile("^HEAD is now at ([0-9a-f]+)...")
def _fullSrcdir(self):
return os.path.join(self.builder.basedir, self.srcdir)
def sourcedirIsUpdateable(self):
print os.path.join(self._fullSrcdir(), ".repo")
print os.path.isdir(os.path.join(self._fullSrcdir(), ".repo"))
return os.path.isdir(os.path.join(self._fullSrcdir(), ".repo"))
def _repoCmd(self, command, cb=None, abandonOnFailure=True, **kwargs):
repo = self.getCommand("repo")
c = runprocess.RunProcess(self.builder, [repo] + command, self._fullSrcdir(),
sendRC=False, timeout=self.timeout,
maxTime=self.maxTime, usePTY=False,
logEnviron=self.logEnviron, **kwargs)
self.command = c
d = c.start()
if cb:
if abandonOnFailure:
d.addCallback(self._abandonOnFailure)
d.addCallback(cb)
return d
def _Cmd(self, cmds, callback, abandonOnFailure=True):
c = runprocess.RunProcess(self.builder, cmds, self._fullSrcdir(),
sendRC=False, timeout=self.timeout,
maxTime=self.maxTime, usePTY=False,
logEnviron=self.logEnviron)
self.command = c
d = c.start()
if abandonOnFailure:
d.addCallback(self._abandonOnFailure)
d.addCallback(callback)
return d
def sourcedataMatches(self):
try:
olddata = self.readSourcedata()
return olddata == self.sourcedata
except IOError:
return False
def doVCFull(self):
os.makedirs(self._fullSrcdir())
if self.tarball and os.path.exists(self.tarball):
return self._Cmd(['tar', '-xvzf', self.tarball], self._doPreInitCleanUp)
else:
return self._doInit(None)
def _doInit(self,res):
# on fresh init, this file may confuse repo.
if os.path.exists(os.path.join(self._fullSrcdir(), ".repo/project.list")):
os.unlink(os.path.join(self._fullSrcdir(), ".repo/project.list"))
return self._repoCmd(['init', '-u', self.manifest_url, '-b', self.manifest_branch, '-m', self.manifest_file], self._didInit)
def _didInit(self, res):
return self.doVCUpdate()
def doVCUpdate(self):
if self.repo_downloads:
self.sendStatus({'header': "will download:\n" + "repo download "+ "\nrepo download ".join(self.repo_downloads) + "\n"})
return self._doPreSyncCleanUp(None)
# a simple shell script to gather all cleanup tweaks...
# doing them one by one just complicate the stuff
# and messup the stdio log
def _cleanupCommand(self):
command = textwrap.dedent("""\
set -v
if [ -d .repo/manifests ]
then
# repo just refuse to run if manifest is messed up
# so ensure we are in a known state
cd .repo/manifests
git fetch origin
git reset --hard remotes/origin/%(manifest_branch)s
git config branch.default.merge %(manifest_branch)s
cd ..
ln -sf manifests/%(manifest_file)s manifest.xml
cd ..
fi
repo forall -c rm -f .git/index.lock
repo forall -c git clean -f -d -x 2>/dev/null
repo forall -c git reset --hard HEAD 2>/dev/null
""") % self.__dict__
return "\n".join([ s.strip() for s in command.splitlines()])
def _doPreInitCleanUp(self, dummy):
command = self._cleanupCommand()
return self._Cmd(["bash", "-c", command], self._doInit, abandonOnFailure=False)
def _doPreSyncCleanUp(self, dummy):
command = self._cleanupCommand()
return self._Cmd(["bash", "-c", command], self._doManifestOveride, abandonOnFailure=False)
def _doManifestOveride(self, dummy):
if self.manifest_override_url:
self.sendStatus({"header": "overriding manifest with %s\n" %(self.manifest_override_url)})
if os.path.exists(os.path.join(self._fullSrcdir(), self.manifest_override_url)):
os.system("cd %s; cp -f %s manifest_override.xml"%(self._fullSrcdir(),self.manifest_override_url))
else:
command = ["wget", self.manifest_override_url, '-O', 'manifest_override.xml']
return self._Cmd(command, self._doSync)
return self._doSync(None)
def _doSync(self, dummy):
if self.manifest_override_url:
os.system("cd %s/.repo; ln -sf ../manifest_override.xml manifest.xml"%(self._fullSrcdir()))
command = ['sync']
if self.jobs:
command.append('-j' + str(self.jobs))
self.sendStatus({"header": "synching manifest %s from branch %s from %s\n"
% (self.manifest_file, self.manifest_branch, self.manifest_url)})
return self._repoCmd(command, self._didSync)
def _didSync(self, dummy):
if self.tarball and not os.path.exists(self.tarball):
return self._Cmd(['tar', '-cvzf', self.tarball, ".repo"], self._doManifest)
else:
return self._doManifest(None)
def _doManifest(self, dummy):
command = ['manifest', '-r', '-o', 'manifest-original.xml']
return self._repoCmd(command, self._doDownload, abandonOnFailure=False)
def _doDownload(self, dummy):
if hasattr(self.command, 'stderr') and self.command.stderr:
if "Automatic cherry-pick failed" in self.command.stderr or "Automatic revert failed" in self.command.stderr:
command = ['forall','-c' ,'git' ,'diff', 'HEAD']
self.cherry_pick_failed = True
return self._repoCmd(command, self._DownloadAbandon, abandonOnFailure = False, keepStderr=True) # call again
lines = self.command.stderr.split('\n')
if len(lines) > 2:
match1 = self.re_change.match(lines[1])
match2 = self.re_head.match(lines[-2])
if match1 and match2:
self.repo_downloaded += "%s/%s %s " % (match1.group(1), match1.group(2), match2.group(1))
if self.repo_downloads:
# download each changeset while the self.download variable is not empty
download = self.repo_downloads.pop(0)
command = ['download'] + download.split(' ')
self.sendStatus({"header": "downloading changeset %s\n"
% (download)})
return self._repoCmd(command, self._doDownload, abandonOnFailure = False, keepStderr=True) # call again
if self.repo_downloaded:
self.sendStatus({"repo_downloaded": self.repo_downloaded[:-1]})
return defer.succeed(0)
def maybeNotDoVCFallback(self, res):
# If we were unable to find the branch/SHA on the remote,
# clobbering the repo won't help any, so just abort the chain
if hasattr(self.command, 'stderr'):
if "Couldn't find remote ref" in self.command.stderr:
raise AbandonChain(-1)
if hasattr(self, 'cherry_pick_failed') or "Automatic cherry-pick failed" in self.command.stderr:
raise AbandonChain(-1)
def _DownloadAbandon(self,dummy):
self.sendStatus({"header": "abandonned due to merge failure\n"})
raise AbandonChain(-1)
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