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Diffstat (limited to 'bitbake/lib/bb/fetch/hg.py')
| -rw-r--r-- | bitbake/lib/bb/fetch/hg.py | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/bitbake/lib/bb/fetch/hg.py b/bitbake/lib/bb/fetch/hg.py new file mode 100644 index 00000000000..8e8073e56d7 --- /dev/null +++ b/bitbake/lib/bb/fetch/hg.py @@ -0,0 +1,150 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +""" +BitBake 'Fetch' implementation for mercurial DRCS (hg). + +""" + +# Copyright (C) 2003, 2004 Chris Larson +# Copyright (C) 2004 Marcin Juszkiewicz +# Copyright (C) 2007 Robert Schuster +# +# 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. +# +# Based on functions from the base bb module, Copyright 2003 Holger Schurig + +import os, re +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 Hg(Fetch): + """Class to fetch a from mercurial repositories""" + def supports(self, url, ud, d): + """ + Check to see if a given url can be fetched with mercurial. + """ + return ud.type in ['hg'] + + def localpath(self, url, ud, d): + if not "module" in ud.parm: + raise MissingParameterError("hg method needs a 'module' parameter") + + ud.module = ud.parm["module"] + + # Create paths to mercurial 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('${HGDIR}', d), ud.host, relpath) + ud.moddir = os.path.join(ud.pkgdir, ud.module) + + if 'rev' in ud.parm: + ud.revision = ud.parm['rev'] + else: + # + rev = data.getVar("SRCREV", d, 0) + if rev and "get_srcrev" in rev: + ud.revision = self.latest_revision(url, ud, d) + elif rev: + ud.revision = rev + else: + ud.revision = "" + + ud.localfile = data.expand('%s_%s_%s_%s.tar.gz' % (ud.module.replace('/', '.'), ud.host, ud.path.replace('/', '.'), ud.revision), d) + + return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile) + + def _buildhgcommand(self, ud, d, command): + """ + Build up an hg commandline based on ud + command is "fetch", "update", "info" + """ + + basecmd = data.expand('${FETCHCMD_hg}', d) + + proto = "http" + if "proto" in ud.parm: + proto = ud.parm["proto"] + + host = ud.host + if proto == "file": + host = "/" + ud.host = "localhost" + + hgroot = host + ud.path + + if command is "info": + return "%s identify -i %s://%s/%s" % (basecmd, proto, hgroot, ud.module) + + options = []; + if ud.revision: + options.append("-r %s" % ud.revision) + + if command is "fetch": + cmd = "%s clone %s %s://%s/%s %s" % (basecmd, " ".join(options), proto, hgroot, ud.module, ud.module) + elif command is "pull": + cmd = "%s pull %s" % (basecmd, " ".join(options)) + elif command is "update": + cmd = "%s update -C %s" % (basecmd, " ".join(options)) + else: + raise FetchError("Invalid hg command %s" % command) + + return cmd + + 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 hg checkout." % ud.localpath) + return + + bb.msg.debug(2, bb.msg.domain.Fetcher, "Fetch: checking for module directory '" + ud.moddir + "'") + + if os.access(os.path.join(ud.moddir, '.hg'), os.R_OK): + updatecmd = self._buildhgcommand(ud, d, "pull") + bb.msg.note(1, bb.msg.domain.Fetcher, "Update " + loc) + # update sources there + os.chdir(ud.moddir) + bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % updatecmd) + runfetchcmd(updatecmd, d) + + updatecmd = self._buildhgcommand(ud, d, "update") + bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % updatecmd) + runfetchcmd(updatecmd, d) + else: + fetchcmd = self._buildhgcommand(ud, d, "fetch") + bb.msg.note(1, bb.msg.domain.Fetcher, "Fetch " + loc) + # check out sources there + bb.mkdirhier(ud.pkgdir) + os.chdir(ud.pkgdir) + bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % fetchcmd) + runfetchcmd(fetchcmd, d) + + os.chdir(ud.pkgdir) + try: + runfetchcmd("tar -czf %s %s" % (ud.localpath, ud.module), d) + except: + t, v, tb = sys.exc_info() + try: + os.unlink(ud.localpath) + except OSError: + pass + raise t, v, tb |