Zdalne-systemy-z-kit-uVPN/update_rootfs.sh
2023-04-21 10:11:58 +02:00

41 lines
1.3 KiB
Bash

#!/bin/bash
echo "Parametry podane do skryptu: $@"
usage() { echo "Usage: [ -n <nazwa obrazu>] [ -s <obraz zródłowy>] [-u <yes - upgrade>] [-i <pakiety do instalacji>]" 1>&2; exit 1; }
while getopts "n:u:i:s:" option
do
case "${option}"
in
n)name=${OPTARG};;
u)upgrade="yes";;
i)packages+=("$OPTARG");;
s)squashfs=${OPTARG};;
*)usage;;
esac
done
shift $((OPTIND -1))
echo "Pakiety: ${packages[@]}"
echo "$squashfs"
sudo unsquashfs -d /tmp/squashfs $squashfs
sudo mount --bind /dev/pts /tmp/squashfs/dev/pts
sudo mount --bind /proc /tmp/squashfs/proc
sudo chroot /tmp/squashfs/ /bin/bash -c 'cat <<EOF> /etc/resolv.conf
nameserver 1.1.1.1
EOF'
sudo chroot /tmp/squashfs/ /bin/bash -c 'apt update'
if [ -n "$upgrade" ]; then
sudo chroot /tmp/squashfs/ /bin/bash -c 'DEBIAN_FRONTEND=noninteractive apt upgrade -y'
fi
if [ -n "$packages" ]; then
sudo chroot /tmp/squashfs/ /bin/bash -c "DEBIAN_FRONTEND=noninteractive apt install ${packages[@]} -y"
fi
sudo chroot /tmp/squashfs/ /bin/bash -c 'apt clean all'
sudo umount /tmp/squashfs/dev/pts
sudo umount /tmp/squashfs/proc
sudo rm -rf $name.squashfs
sudo mksquashfs /tmp/squashfs/ $name.squashfs -noappend -b 1048576 -comp xz -Xdict-size 100%
sudo rm -rf /tmp/squashfs