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

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


case $2 in
    release) BENV="release" ;;
    testing) BENV="testing" ;;
    
    *)
        echo "invalid env specified"
        echo "valid options include release, testing"
        echo "EX:  ./setup_env.sh i686 testing"
        exit 1
        ;;
    esac


if [ ! x$3 = x ]
then
	USER=$3	
	#check if developer template is present
	if [ -d templates/developers/$3 ]
	then
		echo "found the template for $3 "
		FOUNDTEMPLATE="TRUE"
	else
		echo "couldn't find templates/developers/$3"
	#	exit 2
	fi
fi

}

function static-pacman () {
	echo "downloading pacman to tmp"
	cd /tmp
	wget http://www.knoppmyth.net/repo/$ARCH/pacman-static.tgz
	status=$?
	if [ ! $status = 0 ]
	then	
		echo "couldn't download pacman static"
		exit 1
	fi
	tar -zxvf pacman-static.tgz
	export PATH=$PATH:/tmp/pacman.static/run
	cd -
}


function pacman_check {
    which pacman
    status=$?
    if [ ! $status = 0 ]
    then
        echo "Can not find pacman in the path."
	echo "Trying to use static version"
	static-pacman
fi
}


function checkout_repo {
 mkdir -p  $BENV/$ARCH
 cd $BENV/$ARCH


 git clone git@linhes.org:linhes_dev
 git clone git@linhes.org:linhes_pkgbuild

# git clone $USER@knoppmyth.net:linhes_pkgbuild
# git clone $USER@knoppmyth.net:linhes_dev


 if [ $BENV  == "testing" ]
 then
  echo "====================================="
  echo "switching linhes_pkgbuild to testing"
  pwd 
  cd linhes_pkgbuild
  pwd
  git checkout -b testing origin/testing
  cd -
  echo "====================================="

 fi
 
  if [ $BENV  == "testing" ]
  then
    echo "====================================="
    echo "switching linhes_dev to testing"
    pwd 
    cd linhes_dev
    pwd
    git checkout -b testing origin/testing
    cd -
  echo "====================================="
  fi

 


}


#-----------------------------------------------
arg_check $1 $2 $3

#findme
checkout_repo

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 
    do
       [ -e $MIRROR_DIR/$i/$y     ] || mkdir -p $MIRROR_DIR/$i/$y
       [ -e $MIRROR_DIR/src_packages/$y     ] || mkdir -p $MIRROR_DIR/src_packages/$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
cd $SDIR/$BENV/$ARCH
cd linhes_dev
sed -e "s/REPLACEME/$ARCH/g" templates/pacman.conf.chroot > /tmp/pacman.conf.chroot

#create the chroot
pwd
echo "Creating dev chroot, this requires root access"
echo "please type your root pass"
mkdir -p /tmp/cache/pacman
su -c "./mkarchroot   -f  -C /tmp/pacman.conf.chroot ../build_root.$ARCH base base-devel openssh git python2 dosfstools rsync squashfs-tools libisoburn python2-gitpython parched unison arch-install-scripts lynx"
status=$?
if [ !  $status  = 0 ]
then
    printf "\n"
    printf "%s\n" "********************************************************"
    printf "*** %-48s ***\n" "      An error occured creating the chroot"
    printf "%s\n" "********************************************************"
    exit 1
fi
#clear out the default resolve.conf
su -c "mv -f ../build_root.$ARCH/etc/resolv.conf ../build_root.$ARCH/etc/resolv.conf.orig"

if [ x$FOUNDTEMPLATE = xTRUE ]
then
	#check for login run
	if [ -f templates/developers/$3/loginrun.sh ]
	then
		cp -f templates/developers/$3/loginrun.sh ../build_root.$ARCH/root/loginrun.sh
	fi

	if [ -f templates/developers/$3/custom_chroot.sh ]
	then
		cd templates/developers/$3
		./custom_chroot.sh $ARCH
		cd -
	fi
fi

#create custom enter_dev_chroot.sh script
#sed -e "s/REPLACEME/$ARCH/g" templates/enter_dev_chroot.sh > ../enter_dev_chroot.$ARCH.sh
su -c "cp  templates/enter_dev_chroot.sh ../enter_dev_chroot.$ARCH"
su -c "chmod 755 ../enter_dev_chroot.$ARCH"

printf "%s\n" "********************************************************"
printf "** %-50s **\n" "    To enter the chroot (build_root.$ARCH) run:"
printf "** %-50s **\n" "            cd  $BENV/$ARCH"
printf "** %-50s **\n" "            ./enter_dev_chroot.$ARCH"
printf "** %-50s **\n" "   First time setup only:     "
printf "** %-50s **\n" "       after entering chroot run:"
printf "** %-50s **\n" "       cd /build_tools/archiso/archiso     "
printf "** %-50s **\n" "       make install"
printf "** %-50s **\n" "       (it will error out but thats ok)  "

printf "%s\n" "********************************************************"

#copy makepkg.conf into the chroot
su -c "sed -e "s/REPLACEME/$ARCH/g" templates/makepkg.conf > ../build_root.$ARCH/etc/makepkg.conf"
#correct underscore to dash for march for 64 bit
su -c "sed -i "s/-march=x86_64/-march=x86-64/g" ../build_root.$ARCH/etc/makepkg.conf"
#copy pacman.conf into the chroot
su -c "sed -e "s/REPLACEME/$ARCH/g" templates/pacman.conf.chroot > ../build_root.$ARCH/etc/pacman.conf"

cd ..