1
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forked from brl/citadel
citadel/poky/bitbake/lib/bb/fetch2/bzr.py

140 lines
4.5 KiB
Python

"""
BitBake 'Fetch' implementation for bzr.
"""
# Copyright (C) 2007 Ross Burton
# Copyright (C) 2007 Richard Purdie
#
# Classes for obtaining upstream sources for the
# BitBake build tools.
# Copyright (C) 2003, 2004 Chris Larson
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# 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.
import os
import sys
import logging
import bb
from bb.fetch2 import FetchMethod
from bb.fetch2 import FetchError
from bb.fetch2 import runfetchcmd
from bb.fetch2 import logger
class Bzr(FetchMethod):
def supports(self, ud, d):
return ud.type in ['bzr']
def urldata_init(self, ud, d):
"""
init bzr specific variable within url data
"""
# Create paths to bzr checkouts
relpath = self._strip_leading_slashes(ud.path)
ud.pkgdir = os.path.join(d.expand('${BZRDIR}'), ud.host, relpath)
ud.setup_revisions(d)
if not ud.revision:
ud.revision = self.latest_revision(ud, d)
ud.localfile = d.expand('bzr_%s_%s_%s.tar.gz' % (ud.host, ud.path.replace('/', '.'), ud.revision))
def _buildbzrcommand(self, ud, d, command):
"""
Build up an bzr commandline based on ud
command is "fetch", "update", "revno"
"""
basecmd = d.expand('${FETCHCMD_bzr}')
proto = ud.parm.get('protocol', 'http')
bzrroot = ud.host + ud.path
options = []
if command == "revno":
bzrcmd = "%s revno %s %s://%s" % (basecmd, " ".join(options), proto, bzrroot)
else:
if ud.revision:
options.append("-r %s" % ud.revision)
if command == "fetch":
bzrcmd = "%s branch %s %s://%s" % (basecmd, " ".join(options), proto, bzrroot)
elif command == "update":
bzrcmd = "%s pull %s --overwrite" % (basecmd, " ".join(options))
else:
raise FetchError("Invalid bzr command %s" % command, ud.url)
return bzrcmd
def download(self, ud, d):
"""Fetch url"""
if os.access(os.path.join(ud.pkgdir, os.path.basename(ud.pkgdir), '.bzr'), os.R_OK):
bzrcmd = self._buildbzrcommand(ud, d, "update")
logger.debug(1, "BZR Update %s", ud.url)
bb.fetch2.check_network_access(d, bzrcmd, ud.url)
runfetchcmd(bzrcmd, d, workdir=os.path.join(ud.pkgdir, os.path.basename(ud.path)))
else:
bb.utils.remove(os.path.join(ud.pkgdir, os.path.basename(ud.pkgdir)), True)
bzrcmd = self._buildbzrcommand(ud, d, "fetch")
bb.fetch2.check_network_access(d, bzrcmd, ud.url)
logger.debug(1, "BZR Checkout %s", ud.url)
bb.utils.mkdirhier(ud.pkgdir)
logger.debug(1, "Running %s", bzrcmd)
runfetchcmd(bzrcmd, d, workdir=ud.pkgdir)
scmdata = ud.parm.get("scmdata", "")
if scmdata == "keep":
tar_flags = ""
else:
tar_flags = "--exclude='.bzr' --exclude='.bzrtags'"
# tar them up to a defined filename
runfetchcmd("tar %s -czf %s %s" % (tar_flags, ud.localpath, os.path.basename(ud.pkgdir)),
d, cleanup=[ud.localpath], workdir=ud.pkgdir)
def supports_srcrev(self):
return True
def _revision_key(self, ud, d, name):
"""
Return a unique key for the url
"""
return "bzr:" + ud.pkgdir
def _latest_revision(self, ud, d, name):
"""
Return the latest upstream revision number
"""
logger.debug(2, "BZR fetcher hitting network for %s", ud.url)
bb.fetch2.check_network_access(d, self._buildbzrcommand(ud, d, "revno"), ud.url)
output = runfetchcmd(self._buildbzrcommand(ud, d, "revno"), d, True)
return output.strip()
def sortable_revision(self, ud, d, name):
"""
Return a sortable revision number which in our case is the revision number
"""
return False, self._build_revision(ud, d)
def _build_revision(self, ud, d):
return ud.revision