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"""
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 bb
from bb import data
from bb.fetch import Fetch
from bb.fetch import FetchError
from bb.fetch import MissingParameterError
from bb.fetch import runfetchcmd
class Bzr(Fetch):
def supports(self, url, ud, d):
return ud.type in ['bzr']
def localpath (self, url, ud, d):
# Create paths to bzr checkouts
relpath = ud.path
if relpath.startswith('/'):
# Remove leading slash as os.path.join can't cope
relpath = relpath[1:]
ud.pkgdir = os.path.join(data.expand('${BZRDIR}', d), ud.host, relpath)
if 'rev' in ud.parm:
ud.revision = ud.parm['rev']
else:
# ***Nasty hack***
rev = data.getVar("SRCREV", d, 0)
if rev and "get_srcrev" in rev:
ud.revision = self.latest_revision(url, ud, d)
elif rev:
ud.revision = rev
else:
ud.revision = ""
ud.localfile = data.expand('bzr_%s_%s_%s.tar.gz' % (ud.host, ud.path.replace('/', '.'), ud.revision), d)
return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
def _buildbzrcommand(self, ud, d, command):
"""
Build up an bzr commandline based on ud
command is "fetch", "update", "revno"
"""
basecmd = data.expand('${FETCHCMD_bzr}', d)
proto = "http"
if "proto" in ud.parm:
proto = ud.parm["proto"]
bzrroot = ud.host + ud.path
options = []
if command is "revno":
bzrcmd = "%s revno %s %s://%s" % (basecmd, " ".join(options), proto, bzrroot)
else:
if ud.revision:
options.append("-r %s" % ud.revision)
if command is "fetch":
bzrcmd = "%s co %s %s://%s" % (basecmd, " ".join(options), proto, bzrroot)
elif command is "update":
bzrcmd = "%s update %s" % (basecmd, " ".join(options))
else:
raise FetchError("Invalid bzr command %s" % command)
return bzrcmd
def go(self, loc, ud, d):
"""Fetch url"""
# try to use the tarball stash
if Fetch.try_mirror(d, ud.localfile):
bb.msg.debug(1, bb.msg.domain.Fetcher, "%s already exists or was mirrored, skipping bzr checkout." % ud.localpath)
return
# Updating is disabled until bzr supports the syntax "bzr update -r X" to specify a revision
if 0 and os.access(os.path.join(ud.pkgdir, os.path.basename(ud.pkgdir), '.bzr'), os.R_OK):
bzrcmd = self._buildbzrcommand(ud, d, "update")
bb.msg.debug(1, bb.msg.domain.Fetcher, "BZR Update %s" % loc)
os.chdir(os.path.join (ud.pkgdir, os.path.basename(ud.path)))
runfetchcmd(bzrcmd, d)
else:
os.system("rm -rf %s" % os.path.join(ud.pkgdir, os.path.basename(ud.pkgdir)))
bzrcmd = self._buildbzrcommand(ud, d, "fetch")
bb.msg.debug(1, bb.msg.domain.Fetcher, "BZR Checkout %s" % loc)
bb.mkdirhier(ud.pkgdir)
os.chdir(ud.pkgdir)
bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % bzrcmd)
runfetchcmd(bzrcmd, d)
os.chdir(ud.pkgdir)
# tar them up to a defined filename
try:
runfetchcmd("tar -czf %s %s" % (ud.localpath, os.path.basename(ud.pkgdir)), d)
except:
t, v, tb = sys.exc_info()
try:
os.unlink(ud.localpath)
except OSError:
pass
raise t, v, tb
def suppports_srcrev(self):
return True
def _revision_key(self, url, ud, d):
"""
Return a unique key for the url
"""
return "bzr:" + ud.pkgdir
def _latest_revision(self, url, ud, d):
"""
Return the latest upstream revision number
"""
bb.msg.debug(2, bb.msg.domain.Fetcher, "BZR fetcher hitting network for %s" % url)
output = runfetchcmd(self._buildbzrcommand(ud, d, "revno"), d, True)
for line in output.splitlines():
revision = line
return revision
def _sortable_revision(self, url, ud, d):
"""
Return a sortable revision number which in our case is the revision number
(use the cached version to avoid network access)
"""
return self.latest_revision(url, ud, d)
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