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path: root/bitbake/lib/bb/fetch/cvs.py
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# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
"""
BitBake 'Fetch' implementations

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.
#
#Based on functions from the base bb module, Copyright 2003 Holger Schurig
#

import os, re
import bb
from   bb import data
from   bb.fetch import Fetch
from   bb.fetch import FetchError
from   bb.fetch import MissingParameterError

class Cvs(Fetch):
    """
    Class to fetch a module or modules from cvs repositories
    """
    def supports(self, url, ud, d):
        """
        Check to see if a given url can be fetched with cvs.
        """
        return ud.type in ['cvs', 'pserver']

    def localpath(self, url, ud, d):
        if not "module" in ud.parm:
            raise MissingParameterError("cvs method needs a 'module' parameter")
        ud.module = ud.parm["module"]

        ud.tag = ""
        if 'tag' in ud.parm:
            ud.tag = ud.parm['tag']

        # Override the default date in certain cases
        if 'date' in ud.parm:
            ud.date = ud.parm['date']
        elif ud.tag:
            ud.date = ""

        ud.localfile = data.expand('%s_%s_%s_%s.tar.gz' % (ud.module.replace('/', '.'), ud.host, ud.tag, ud.date), d)

        return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)

    def forcefetch(self, url, ud, d):
        if (ud.date == "now"):
            return True
        return False

    def go(self, loc, ud, d):

        # try to use the tarball stash
        if not self.forcefetch(loc, ud, d) and Fetch.try_mirror(d, ud.localfile):
            bb.msg.debug(1, bb.msg.domain.Fetcher, "%s already exists or was mirrored, skipping cvs checkout." % ud.localpath)
            return

        method = "pserver"
        if "method" in ud.parm:
            method = ud.parm["method"]

        localdir = ud.module
        if "localdir" in ud.parm:
            localdir = ud.parm["localdir"]

        cvs_port = ""
        if "port" in ud.parm:
            cvs_port = ud.parm["port"]

        cvs_rsh = None
        if method == "ext":
            if "rsh" in ud.parm:
                cvs_rsh = ud.parm["rsh"]

        if method == "dir":
            cvsroot = ud.path
        else:
            cvsroot = ":" + method + ":" + ud.user
            if ud.pswd:
                cvsroot += ":" + ud.pswd
            cvsroot += "@" + ud.host + ":" + cvs_port + ud.path

        options = []
        if ud.date:
            options.append("-D %s" % ud.date)
        if ud.tag:
            options.append("-r %s" % ud.tag)

        localdata = data.createCopy(d)
        data.setVar('OVERRIDES', "cvs:%s" % data.getVar('OVERRIDES', localdata), localdata)
        data.update_data(localdata)

        data.setVar('CVSROOT', cvsroot, localdata)
        data.setVar('CVSCOOPTS', " ".join(options), localdata)
        data.setVar('CVSMODULE', ud.module, localdata)
        cvscmd = data.getVar('FETCHCOMMAND', localdata, 1)
        cvsupdatecmd = data.getVar('UPDATECOMMAND', localdata, 1)

        if cvs_rsh:
            cvscmd = "CVS_RSH=\"%s\" %s" % (cvs_rsh, cvscmd)
            cvsupdatecmd = "CVS_RSH=\"%s\" %s" % (cvs_rsh, cvsupdatecmd)

        # create module directory
        bb.msg.debug(2, bb.msg.domain.Fetcher, "Fetch: checking for module directory")
        pkg = data.expand('${PN}', d)
        pkgdir = os.path.join(data.expand('${CVSDIR}', localdata), pkg)
        moddir = os.path.join(pkgdir,localdir)
        if os.access(os.path.join(moddir,'CVS'), os.R_OK):
            bb.msg.note(1, bb.msg.domain.Fetcher, "Update " + loc)
            # update sources there
            os.chdir(moddir)
            myret = os.system(cvsupdatecmd)
        else:
            bb.msg.note(1, bb.msg.domain.Fetcher, "Fetch " + loc)
            # check out sources there
            bb.mkdirhier(pkgdir)
            os.chdir(pkgdir)
            bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % cvscmd)
            myret = os.system(cvscmd)

        if myret != 0 or not os.access(moddir, os.R_OK):
            try:
                os.rmdir(moddir)
            except OSError:
                 pass
            raise FetchError(ud.module)

        os.chdir(moddir)
        os.chdir('..')
        # tar them up to a defined filename
        myret = os.system("tar -czf %s %s" % (ud.localpath, os.path.basename(moddir)))
        if myret != 0:
            try:
                os.unlink(ud.localpath)
            except OSError:
                pass
            raise FetchError(ud.module)