""" A buildroot based on yum """

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Copyright 2004 Dries Verachtert


import getopt, os, sys, Queue, posix, posixpath, string, re, os.path, shutil, commands
from log4py import Logger
from buildroot import BuildRoot
from buildrootresult import BuildRootResult
import config
#from specfile import SpecFile

class YumBasedBuildRoot(BuildRoot):
    def __init__(self,buildRootTag):
        self._cat = Logger().get_instance(self)
        brr = BuildRootResult(self)
        self.__config = config.Config.getInstance()
        self._setBuildRootTag( buildRootTag)
        self.__setVars(brr)
        self._cat.debug("initialized")
        self.__useCacheOnly = False
        #return brr
        
        
    def __setVars(self,brr):
        self.yumConfFile = "/etc/pydar2/yum/" + self.__config.getBuildMachineId() + "/" + self.getBuildRootTag() + ".conf"
        if os.path.exists(self.yumConfFile):
            self._cat.debug("using userdefined yum conf: " + self.yumConfFile)
        else:
            self.yumConfFile = "/etc/pydar2/yum/" + self.getBuildRootTag() + ".conf"
            self._cat.debug("using normal yum conf: " + self.yumConfFile)
        self.yumCacheDir = "/var/lib/pydar2/yum/cache/" + self.getBuildRootTag()
        self.rootdir = "/var/lib/pydar2/roots/yum-" + self.getBuildRootTag()
        
        self._setGeneralVars()
        brr.logDebugLine("rootdir:" + self.rootdir)
    
    def installRpms(self,builddepsarr):
        brr = BuildRootResult(self)
        # todo auto remove all deps which are already installed , not only perl
        if len(builddepsarr) > 0 and not (len(builddepsarr) == 1 and builddepsarr[0] ==  "perl"):
            commandpart = ""
            for b in builddepsarr:
                commandpart = commandpart + " " + b
                cacheParam = ""
                if self.__useCacheOnly:
                    cacheParam = " -C "
            cmd = "sudo yum " + cacheParam + " -c " + self.yumConfFile + " -y -t --installroot=" + self.rootdir + " install " + commandpart
            self.logCommand(cmd,brr)
        return brr
        
    # makes a new root
    def prepareRoot(self):
        brr = BuildRootResult(self)
        cmd = self._getGeneralPrepareRootCommands()
        # use a central yum cache
        cmd.append("sudo mkdir -p " + self.yumCacheDir)
        cmd.append("sudo ln -s " + self.yumCacheDir + " " + self.rootdir + "/var/cache/yum")
        # install the rpms
        cacheParam = ""
        if self.__useCacheOnly:
            cacheParam = " -C "
        if self.minimalRpmsPart1 != "":
            cmd.append("sudo yum " + cacheParam  + " -c " + self.yumConfFile + " -y -t --installroot=" + self.rootdir + " install " + self.minimalRpmsPart1)
        if self.minimalRpmsPart2 != "":
            cmd.append("sudo yum " + cacheParam  + " -c " + self.yumConfFile + " -y -t --installroot=" + self.rootdir + " install " + self.minimalRpmsPart2)
        if self.minimalRpmsPart3 != "":
            cmd.append("sudo yum " + cacheParam  + " -c " + self.yumConfFile + " -y -t --installroot=" + self.rootdir + " install " + self.minimalRpmsPart3)
        if self.minimalRpmsPart4 != "":
            cmd.append("sudo yum " + cacheParam  + " -c " + self.yumConfFile + " -y -t --installroot=" + self.rootdir + " install " + self.minimalRpmsPart4)
        cmd.append("sudo chmod -R a+rwx " + self.rootdir + "/usr/src/redhat/ " + self.rootdir + "/home/pydar2slave ")
        self.logCommands(cmd,brr)
        return brr
        
        
    
## tests
#myRoot = YumBasedBuildRoot("","fedora-3-i386-core")
#myRoot.cleanRoot()
#myRoot.prepareRoot()
#spec = SpecFile('/home/dries/projects/rap-svn/svn/trunk/rpms/aldo/aldo.spec',' --define "fc3 1" ')
#myRoot.installRpms(spec.getBuildRequires())
##myRoot.
#print myRoot.logText