/usr/share/pyshared/buildslave/commands/mtn.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
from twisted.python import log
from twisted.internet import defer
from buildslave.commands.base import SourceBaseCommand
from buildslave import runprocess
#from buildslave.util import remove_userpassword
class MonotoneError(Exception):
"""Error class for this module."""
class Monotone(SourceBaseCommand):
"""Monotone specific VC operation. In addition to the arguments
handled by SourceBaseCommand, this command reads the following keys:
['repourl'] (required): the Monotone repository string
['branch'] (required): which branch to retrieve.
['revision'] (optional): which revision (revision selector)
to retrieve.
['progress'] (optional): have mtn output progress markers,
avoiding timeouts for long fetches;
"""
header = "monotone operation"
def setup(self, args):
SourceBaseCommand.setup(self, args)
self.repourl = args['repourl']
self.branch = args['branch']
self.revision = args.get('revision', None)
self.progress = args.get('progress', False)
self._pull_timeout = args.get("timeout")
self.sourcedata = "%s?%s" % (self.repourl, self.branch)
self.stdout = ""
self.stderr = ""
self.database = os.path.join(self.builder.basedir, 'db.mtn')
self.mtn = self.getCommand("mtn")
def start(self):
def cont(res):
# Continue with start() method in superclass.
return SourceBaseCommand.start(self)
d = self._checkDb();
d.addCallback(cont)
return d
def doVCUpdate(self):
return self._dovccmd(self._update, True)
def doVCFull(self):
return self._dovccmd(self._checkout, True)
def _fullSrcdir(self):
return os.path.join(self.builder.basedir, self.srcdir)
def sourcedirIsUpdateable(self):
return os.path.isdir(os.path.join(self._fullSrcdir(), "_MTN"))
def _dovccmd(self, fn, dopull, cb=None, **kwargs):
if dopull:
command = [self.mtn, 'pull', self.sourcedata,
'--db', self.database]
if self.progress:
command.extend(['--ticker=dot'])
else:
command.extend(['--ticker=none'])
c = runprocess.RunProcess(self.builder, command,
self.builder.basedir,
environ=self.env, sendRC=False,
timeout=self.timeout,
maxTime=self.maxTime,
keepStdout=True, usePTY=False,
logEnviron=self.logEnviron)
self.sendStatus({"header": "pulling %s from %s\n"
% (self.branch, self.sourcedata)})
self.command = c
d = c.start()
d.addCallback(self._abandonOnFailure)
d.addCallback(fn)
else:
d = fn(None)
if cb:
d.addCallback(cb)
return d
def _update(self, res):
command = [self.mtn, 'update',
'--db', self.database]
if self.revision:
command.extend(['--revision', self.revision])
else:
command.extend(["-r", "h:" + self.branch])
command.extend(["-b", self.branch])
c = runprocess.RunProcess(self.builder, command, self._fullSrcdir(),
environ=self.env, sendRC=False,
timeout=self.timeout, maxTime=self.maxTime,
keepStdout=True, usePTY=False,
logEnviron=self.logEnviron)
d = c.start()
return d
def _checkout(self, res):
command = [self.mtn, 'checkout', self._fullSrcdir(),
'--db', self.database]
if self.revision:
command.extend(['--revision', self.revision])
command.extend(['--branch', self.branch])
c = runprocess.RunProcess(self.builder, command, self.builder.basedir,
environ=self.env, sendRC=False,
timeout=self.timeout, maxTime=self.maxTime,
keepStdout=True, usePTY=False,
logEnviron=self.logEnviron)
d = c.start()
return d
def _checkDb(self):
# Don't send stderr. When there is no database, this might confuse
# users, as they will see a mtn error message. But having no database
# repo is not an error, just an indication that we need to pull one.
c = runprocess.RunProcess(self.builder, [self.mtn, 'db', 'info',
'--db', self.database],
self.builder.basedir,
environ=self.env, sendRC=False,
keepStdout=True, sendStderr=False,
usePTY=False, logEnviron=self.logEnviron)
d = c.start()
def afterCheckRepo(res, cdi):
if type(res) is int and res != 0:
log.msg("No database found, creating it")
# mtn info fails, try to create shared repo.
# We'll be doing an initial pull, so up the timeout to
# 3 hours to make sure it will have time to complete.
self._pull_timeout = max(self._pull_timeout, 3 * 60 * 60)
c = runprocess.RunProcess(self.builder, [self.mtn, 'db', 'init',
'--db', self.database],
self.builder.basedir,
environ=self.env,
sendRC=False, usePTY=False,
logEnviron=self.logEnviron)
self.command = c
return c.start()
elif cdi.stdout.find("(migration needed)") > 0:
log.msg("Older format database found, migrating it")
# mtn info fails, try to create shared repo.
c = runprocess.RunProcess(self.builder, [self.mtn,
'db', 'migrate',
'--db', self.database],
self.builder.basedir,
environ=self.env,
sendRC=False, usePTY=False,
logEnviron=self.logEnviron)
self.command = c
return c.start()
elif cdi.stdout.find("(too new, cannot use)") > 0:
raise MonotoneError, "The database is of a newer format than mtn can handle... Abort!"
else:
return defer.succeed(res)
d.addCallback(afterCheckRepo, c)
return d
def parseGotRevision(self):
def _parse(res):
hash = self.command.stdout.strip()
if len(hash) != 40:
return None
return hash
return self._dovccmd(self._get_base_revision, False, _parse)
def _get_base_revision(self, res):
c = runprocess.RunProcess(self.builder,
[self.mtn, 'automate', 'select', 'w:'],
self._fullSrcdir(),
sendRC=False,
timeout=self.timeout, maxTime=self.maxTime,
keepStdout=True, usePTY=False,
logEnviron=self.logEnviron)
d = c.start()
d.addCallback(self._abandonOnFailure)
return d
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