unbox/unbox.sh
2022-05-05 23:24:37 +02:00

151 lines
2.8 KiB
Bash
Executable file

#!/bin/bash
source $(dirname $(realpath $0))/utils.sh
function unbox_outer_stage(){
echo "-----------FIRST STAGE-----------"
apt install git util-linux
if [ -e .repo_cache ]; then
select chosen_repo in other $(cat .repo_cache | sort | uniq); do
if [ "${chosen_repo}" = "other" ]; then
echo -n "git repository url: "
read REMOTE
else
REMOTE=$chosen_repo
fi
break
done
else
echo -n "git repository url: "
read REMOTE
fi
echo $REMOTE
URL_CACHE=$( ( cat .repo_cache; echo $REMOTE;) )
for LINE in $URL_CACHE; do echo $LINE; done | sort | uniq > .repo_cache
if [ -e repo ]; then
(cd repo; git pull)
else
git clone "$REMOTE" repo
fi
if [[ ! -e repo/entry.sh ]]; then
echo no entry found;
exit 1;
fi
source repo/entry.sh
mkdir -p target
export TARGET=$(pwd)/target
export UNBOX_ENV_FILE=$(pwd)/.env
if [ -e .env ]; then
rm .env
fi
if type -t first_stage > /dev/null; then
first_stage
else
echo first stage not found
fi
if type -t chroot > /dev/null; then
CHROOT=chroot
else
echo ERROR: no chroot found 1>&2
exit 1
fi
mkdir -p target/root/unbox
mount -o bind . target/root/unbox
mkdir -p target/root/unbox_data
mount -o bind /data target/root/unbox_data
(
mount -obind /sys target/sys
mount -obind /proc target/proc
mount -obind /dev target/dev
mount -obind /dev/pts target/dev/pts
resolv_conf=target/etc/resolv.conf
if [[ -L target/etc/resolv.conf ]]; then
resolv_conf=$(readlink "target/etc/resolv.conf")
if [[ $resolv_conf = /* ]]; then
resolv_conf=target$resolv_conf
else
resolv_conf=target/etc/$resolv_conf
fi
# ensure file exists to bind mount over
if [[ ! -f $resolv_conf ]]; then
install -Dm644 /dev/null "$resolv_conf" || return 1
fi
fi
if [[ -e target/etc/resolv.conf ]]; then
cp -L /etc/resolv.conf $resolv_conf
fi
$CHROOT target /root/unbox/unbox.sh unbox_inner_stage
umount /dev/pts
umount /dev /sys /proc
)
umount target/root/unbox target/root/unbox_data
if type -t post_install_stage > /dev/null; then
post_install_stage
else
echo no post_install_stage found
fi
if [ -e ${UNBOX_ENV_FILE} ]; then
rm ${UNBOX_ENV_FILE}
fi
exit 0
}
function unbox_inner_stage(){
echo "-----------SECOND STAGE-----------"
export UNBOX_ENV_FILE=$(pwd)/.env
if [ -e ${UNBOX_ENV_FILE} ]; then
source ${UNBOX_ENV_FILE}
fi
if [ -e repo/entry.sh ]; then
source repo/entry.sh
else
echo chosen repository does not contain entry.sh file
fi
if type -t second_stage > /dev/null; then
second_stage
else
echo second stage not found
fi
if [ -e ${UNBOX_ENV_FILE} ]; then
rm ${UNBOX_ENV_FILE}
fi
exit 0
}
cd $(dirname $(realpath $0))
if [[ $# -ge 1 ]]; then
CMD=$1
shift
if type -t $CMD > /dev/null; then
$CMD $@
else
echo command $CMD found
exit 1
fi
else
git pull
$0 unbox_outer_stage
fi