#!/bin/bash
#  Script to setup the LinHES development enviroment
# ./setup_env.sh ( i586|i686|x86_64 )
# This script assumes that /tmp is usable.
MIRROR_DIR=../pkg_repo


function arg_check {
case $1 in
    i586) ARCH=$1 ;;
    i686) ARCH=$1 ;;
    x86_64) ARCH=$1 ;;
    *)
        echo "invalid arch specified"
        echo "valid options include i586, i686 and x86_64"
        echo "EX:  ./setup_env.sh i686 "
        exit 1
        ;;
    esac
}

function pacman_check {
    which pacman
    status=$?
    if [ ! $status = 0 ]
    then
        echo "Can not find pacman in the path, please install pacman"
        exit 1
    fi
}



#-----------------------------------------------
arg_check $1
pacman_check


cd build_tools/clarch
./setup_links.sh
cd -
#create the local pkg dir's for mirror and creating pkg's
[ -e $MIRROR_DIR     ] || mkdir -p $MIRROR_DIR
for i in i586 i686 x86_64
do
    [ -e $MIRROR_DIR/$i     ] || mkdir -p $MIRROR_DIR/$i
    for y in core extra core-testing extra-testing chroot-devel
    do
       [ -e $MIRROR_DIR/$i/$y     ] || mkdir -p $MIRROR_DIR/$i/$y
    done
done
[ -e $MIRROR_DIR/sources     ] || mkdir -p $MIRROR_DIR/sources
[ -e $MIRROR_DIR/packages    ] || mkdir -p $MIRROR_DIR/packages

#correct pacman.conf to use the correct ARCH to build the chroot
sed -e "s/REPLACEME/$ARCH/g" templates/pacman.conf.chroot > /tmp/pacman.conf.chroot

#create the chroot
./mkarchroot -f  -C /tmp/pacman.conf.chroot ../build_root.$ARCH base base-devel cdrkit unison openssh
status=$?
if [ !  $status  = 0 ]
then
    echo
    echo "********************************************************"
    echo "***   An error occured creating the chroot       ***"
    echo "********************************************************"
    exit 1
fi
#clear out the default resolve.con
mv -f ../build_root.$ARCH/etc/resolv.conf ../build_root.$ARCH/etc/resolv.conf.orig

#create custom enter_dev_chroot.sh script
sed -e "s/REPLACEME/$ARCH/g" templates/enter_dev_chroot.sh > ../enter_dev_chroot.$ARCH.sh
chmod 755 ../enter_dev_chroot.$ARCH.sh
echo "********************************************************"
echo "**    To enter the chroot (build_root.$ARCH) run:    **"
echo "**         cd ..                                     **"
echo "**          ./enter_dev_chroot.$ARCH.sh              **"
echo "********************************************************"

#copy makepkg.conf into the chroot
sed -e "s/i686/$ARCH/g" templates/makepkg.conf >  ../build_root.$ARCH/etc/makepkg.conf
#copy pacman.conf into the chroot
sed -e "s/REPLACEME/$ARCH/g" templates/pacman.conf.chroot > ../build_root.$ARCH/etc/pacman.conf

cd ..