#!/bin/sh
#
# Copyright (c) 2006,2008 Bryan L Blackburn.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 3. Neither the name Bryan L Blackburn, nor the names of any contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
# AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

export PATH=/bin:/usr/bin:/sbin:/usr/sbin

if [[ -z "$PREFIX" ]]; then
    PREFIX=/opt/local
fi
export PREFIX
# location to store base and dports sources
if [[ -z "$SRC_PREFIX" ]]; then
    SRC_PREFIX=/opt/mports
fi
export SRC_PREFIX

# Base filename for the disk image
IMGBASENAME="mproot"

# subdir start of the chroot
CHROOTSUBDIR="mpchroot"

# Name of the file containing all of MacPorts
MPTARBALL="macports_dist.tar.bz2"
# Alternatively, the SVN checkout dir of MacPorts
MP_SVN_WORKDIR="mpexport"

baseDir=$(dirname $0)

dataDir=$(pwd)
if [[ $MPAB_DATA ]]; then
   dataDir=$MPAB_DATA
fi
chrootPath="${dataDir}/${CHROOTSUBDIR}"

if [[ -n "${MPABDEBUG}" ]]; then
   HDIUTILDEBUG="-verbose"
else
   HDIUTILDEBUG="-quiet"
fi
export HDIUTILDEBUG

. ${baseDir}/mpab-functions

# option parsing
OSMajor=`uname -r | sed 's/\..*//'`
# xcodebuild breaks in chroots on 10.6
if [[ $1 = "-n" || $OSMajor -ge 10 ]]; then
    chrootPath=""
    echo "Warning: not using chroot"
    if [[ $1 = "-n" ]]; then
        shift
    fi
fi

command="buildports"
portlistFile=""
if [[ -n $1 ]]; then
   command=$1 && shift
   if [[ ${command} != "help" && ${command} != "mount" &&
         ${command} != "umount" && ${command} != "buildmp" &&
         ${command} != "rebuildmp" && ${command} != "buildports" && 
         ${command} != "shell" ]]; then
      printUsageAndExit
   fi
   if [[ ${command} == "buildmp" || ${command} == "rebuildmp" ]]; then
      installPackage=$1 && shift
   fi
   if [[ ${command} == "buildports" && -n $1 ]]; then
      portlistFile=$1 && shift
      if [[ ! -e ${portlistFile} ]]; then
         echo "File '${portlistFile}' not found" && echo
         printUsageAndExit
      fi
   fi
   if [[ ${command} == "help" || -n $1 ]]; then
      printUsageAndExit
   fi
fi

if [[ ${command} == "umount" ]]; then
   umountChroot "${chrootPath}"
   exit 0
fi

if [[ ${command} == "shell" ]]; then
   chrootShell
   exit 0
fi

checkDependencies ${dataDir} ${MPTARBALL} ${MP_SVN_WORKDIR} ${installPackage}
returnValue=$?
if [[ ${returnValue} != 0 ]]; then
   exit ${returnValue}
fi

if [[ ${command} == "mount" || ${command} == "buildmp" ||
   ${command} == "rebuildmp" || ${command} == "buildports" ]]; then
   if [[ -n "$chrootPath" ]]; then
      buildImages ${dataDir} ${chrootPath} ${IMGBASENAME}
      mountChroot ${dataDir} ${chrootPath} ${IMGBASENAME}
   fi
   if [[ ( $? == 0 || -n "$chrootPath" ) &&
         ( ${command} == "buildmp" || ${command} == "rebuildmp" ||
           ${command} == "buildports" ) ]]; then
      trap "exitFunction ${dataDir} ${chrootPath}" EXIT
      exitMessage="Stopping..."
      if [[ ${command} == "rebuildmp" ]]; then
         rm -rf ${chrootPath}${SRC_PREFIX}
         if [[ -n "$chrootPath" ]]; then
            rm -f ${chrootPath}${PREFIX}/bin/port
         fi
      fi
      
      if [[ -n ${installPackage} ]]; then
         buildMacPorts ${baseDir} ${dataDir} "${chrootPath}" ${installPackage} ||
            ( echo "Failed to build MacPorts from release archive" && exit 1 )
      elif [[ -d ${MP_SVN_WORKDIR} ]]; then
         buildMacPorts ${baseDir} ${dataDir} "${chrootPath}" ${MP_SVN_WORKDIR} ||
            ( echo "Failed to build MacPorts from SVN checkout directory (MP_SVN_WORKDIR)" && exit 1 )
      else
         buildMacPorts ${baseDir} ${dataDir} "${chrootPath}" ${MPTARBALL} ||
            ( echo "Failed to build MacPorts from ${mpExport}" && exit 1 )
      fi

      exitMessage=""
      if [[ $? == 0 && ${command} == "buildports" ]]; then
         if [[ -e ${portlistFile} ]]; then
            cp -p ${portlistFile} ${chrootPath}/private/var/tmp/portlist
         fi
         exitMessage="Stopping..."
         buildPorts ${baseDir} "${chrootPath}"
         exitMessage=""
      fi
   fi
fi

# Local Variables:
# mode: shell-script
# indent-tabs-mode: nil
# sh-basic-offset: 3
# End: