path: root/build_tools/clarch/larch/run/mklarch

#! /bin/bash
#
# mklarch
#
# Author: Michael Towers <gradgrind[at]online[dot]de>
#
# This file is part of the larch project.
#
#    larch 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.
#
#    larch 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 larch; if not, write to the Free Software Foundation, Inc.,
#    51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
#----------------------------------------------------------------------------
# 2008.06.22

# directory to use for building the CD - the installation root
# It must have LOTS of space, ~ 4GB for a 700MB CD
INSTLDIR=/home/larchroot

# Default path to larch5 repositories (architecture is sub-directory)
larch5path="ftp://ftp.berlios.de/pub/larch/larch5.3"

APP=$( basename $0 )
# Get path to larch base directory, via the location of this script
FULLPATH=$( readlink -f $0 )
SCRIPTDIR=$( dirname ${FULLPATH} )
LARCHDATA=$( dirname ${SCRIPTDIR} )

startdir=$( pwd )
# cd to ensure that the following test works even if '.' is in PATH
cd /
apppath="$( which ${APP} 2>/dev/null )"
if [ $? -ne 0 ] || [ "${apppath}" != "${FULLPATH}" ]; then
    PATH=${SCRIPTDIR}:${PATH}
fi
cd ${startdir}

usage () {
    echo
    echo "Usage:"
    echo "  ${APP} -h     # Show this message"
    echo
    echo "  ${APP} -a  [-f] [-p <profile directory>]"
    echo "                  [-c <package cache directory>]"
    echo "                  [-y <path to pacman database directories>]"
    echo "                  [<build directory>]"
    echo
    echo "  ${APP} [-ugf]   [-p <profile directory>]"
    echo "                  [-c <package cache directory>]"
    echo "                  [-y <path to pacman database directories>]"
    echo "                  [<build directory>]"
    echo
    echo "          -a    Stop after installing Arch system (don't build live system)."
    echo
    echo "          -p    Use the 'profile' in the given directory."
    echo
    echo "          -c    Use an alternative package cache directory"
    echo "                (default is /var/cache/pacman/pkg, on host)"
    echo "          -y    Use existing pacman package database instead"
    echo "                of performing 'pacman -Sy'."
    echo
    echo "          -u    Don't build iso, but install to USB-stick instead"
    echo "          -g    Use GRUB bootloader (default is isolinux/syslinux)"
    echo
    echo "          -f    No interaction. (not recommended)"
    echo "                The script will just plough straight on and destroy"
    echo "                your file-system without first asking."
    echo
    echo "${APP} is the master script for the larch live CD / live USB-stick"
    echo "builder."
    echo
    echo "<build directory> is the directory in which all the building will"
    echo "be done, by default '${INSTLDIR}'"
    echo
    echo "A profile is a directory containing all the necessary"
    echo "configuration details for a larch build. See documentation"
    echo "and examples."
    echo
    echo "If you want to rebuild a live system without reinstalling it"
    echo "(for example if you make minor changes to the profile which"
    echo "don't affect the packages, or if you want a USB-stick instead"
    echo "of a CD, or if writing to the USB-stick failed for some reason)"
    echo "you should look at the 'larchify' script - run it with the '-h'"
    echo "option for usage notes."
    echo
    exit
}

pROFILE=""
DONTASK=""
NOLIVE=""
USB=""
GRUB=""
PKGCACHE=/var/cache/pacman/pkg
# Options to 'inpacs':
INPACSO=""
while getopts ":p:ac:y:ugf" Option
do
  case ${Option} in
    p ) PROFILE="$( readlink -f ${OPTARG} )" ;;
    a ) NOLIVE="-a" ;;
    c ) PKGCACHE="$( readlink -f ${OPTARG} )" ;;
    y ) INPACSO="${INPACSO} -y $( readlink -f ${OPTARG} )" ;;
    u ) USB="-u" ;;
    g ) GRUB="-g" ;;
    f ) DONTASK="-f" ;;
    * ) usage ;;
  esac
done
shift $((${OPTIND} - 1))
if ! [ -d "${PKGCACHE}" ]; then
    echo "Creating package cache: ${PKGCACHE}"
    if ! mkdir -p "${PKGCACHE}"; then
        echo "ERROR: Couldn't create ${PKGCACHE}"
        exit 1
    fi
fi
INPACSO="${INPACSO} -c ${PKGCACHE}"

if [ -n "$1" ]; then
    INSTLDIR=$1
fi
LARCHBUILD="${INSTLDIR}/.larch"

if [ -z "${PROFILE}" ]; then
    PROFILE=${startdir}/profile
fi
if ! [ -f ${PROFILE}/addedpacks ]; then
    echo "ERROR: no 'addedpacks' in profile '${PROFILE}'"
    exit 1
fi

# test if the script is started by root user. If not, exit
if [ $UID -ne 0 ]; then
    echo "Only root can run ${APP}"; exit 1
fi

echo "//"
echo "// **********************************************************"
echo "// This will delete EVERYTHING under"
echo "//"
echo "//        ${INSTLDIR}"
echo "//"

if [ -z "${DONTASK}" ]; then
    echo "// I really mean it ... Are you sure you want to do this?"
    echo "// **********************************************************"
    # Await yes or no
    read -p "// [y/N]: " ans
    if [ -z "$( echo ${ans} | grep '^ *[yY]' )" ]; then exit 0; fi
fi

for fd in $( ls -A ${INSTLDIR} ); do
    rm -rf ${INSTLDIR}/${fd}
#lookforme 
done
mkdir -p ${LARCHBUILD}

############### Call 'inpacs' to do the installation

if [ -f ${PROFILE}/basepacks ]; then
    INPACSO="${INPACSO} -b ${PROFILE}/basepacks"
fi

if [ -f ${PROFILE}/baseveto ]; then
    INPACSO="${INPACSO} -x ${PROFILE}/baseveto"
fi

if [ -f ${PROFILE}/pacman.conf ]; then
    cp ${PROFILE}/pacman.conf .
elif ! [ -f pacman.conf ]; then
    if [ -f /etc/pacman.conf ]; then
        cp /etc/pacman.conf .
    else
        echo "ERROR: Couldn't find pacman.conf"
        exit 1
    fi
fi
INPACSO="${INPACSO} -k pacman.conf"
if [ x = y ]
then
# If necessary add the larch repository to pacman.conf
if ! grep '^[larch5]' pacman.conf &>/dev/null; then
    if [ -d larchrepo ]; then
        larch5path="file://$( readlink -f larchrepo )"
    else
        sysarch="$( uname -m )"
        if [ "${sysarch}" != "x86_64" ]; then
            sysarch="i686"
        fi
        larch5path="${larch5path}/${sysarch}"
    fi
    #sed "/\[testing\]/ i \
	echo "[larch5] " >> pacman.conf
	echo "Server = ${larch5path}" >> pacman.conf
fi

fi

if ! which pacman &>/dev/null; then
    if ! [ -x ${startdir}/pacman ]; then
        echo "ERROR: Couldn't find pacman executable"
        exit 1
    fi
    INPACSO="${INPACSO} -P ${startdir}/pacman"
fi
echo "checking for pre_process.sh"
if [ -f ${PROFILE}/pre-process.sh ]
then
	echo "Running pre-process script"
	cd ${PROFILE}
	./pre-process.sh
	cd -

else
	echo "No pre_process"
fi

inpacs -a ${PROFILE}/addedpacks ${INPACSO} ${INSTLDIR}
if [ $? -ne 0 ]; then exit 1; fi

# Use build version of pacman.conf in live system, without [larch5] repository.
# This can be overwritten by a pacman.conf in the profile's overlay.

rm -f ${INSTLDIR}/etc/pacman.conf
if [ -f ${PROFILE}/pacman.conf ]; then
    # This file should be used in preference to pacman.conf - it is created by
    # larch-setup on non-Arch systems before commenting out the 'Include' lines.
    cp ${PROFILE}/pacman.conf  ${INSTLDIR}/etc/pacman.conf
else
    sed '/^\[larch5\]/,/^ *$/ d' <pacman.conf >${INSTLDIR}/etc/pacman.conf
fi

cachepacs -a ${PROFILE}/cache_packs  $INPACSO -d ${INSTLDIR}


# Generate glibc locales
if [ -f ${PROFILE}/locale.gen ]; then
    echo
    echo "********** Generating locales **********"
    echo
    cat ${PROFILE}/locale.gen ${INSTLDIR}/etc/locale.gen >${INSTLDIR}/etc/locale.gen_new
    mv -f ${INSTLDIR}/etc/locale.gen_new ${INSTLDIR}/etc/locale.gen
    chroot ${INSTLDIR} usr/sbin/locale-gen
fi

# Generate ssh keys
ssh_init ${INSTLDIR}

# Set up a symlink to the installation for 'larchify'
rm -f larchroot && ln -sf ${INSTLDIR} ${startdir}/larchroot
if [ $? -ne 0 ]; then
    echo "WARNING: Couldn't create 'larchroot' symlink"
fi

echo "// ${APP} finished installation of Arch system"
echo "//"

#run script to post-process the new installation
if [ -f ${PROFILE}/post-process.sh ]
then
	${PROFILE}/post-process.sh ${INSTLDIR} ${PROFILE}
	echo ${PROFILE}/post-process.sh ${INSTLDIR} ${PROFILE}
fi


if [ -z "${NOLIVE}" ]; then
    # Get live CD build functions
    . ${LARCHDATA}/buildlive
    mklive
fi