#!/bin/sh
# Copyright 2022 Jochen Sprickerhof <debvm@jochen.sprickerhof.de>
# SPDX-License-Identifier: MIT
#
# apt install e2fsprogs genext2fs mmdebstrap openssh-client qemu-kvm

set -x

cleanup() {
	rm -f ssh_id ssh_id.pub upgrade
}

trap cleanup EXIT INT TERM QUIT

cat > upgrade << "EOF"
#!/bin/sh

set -ex

export DEBIAN_FRONTEND=noninteractive

sed -i "s/\([^ ]*\) \([^ ]*\) [^ ]* \(.*\)/\1 \2 $1 \3/" /etc/apt/sources.list
apt update
apt dist-upgrade -y

test "$1" = stretch && apt install libnss-resolve

apt autoremove --purge -y
apt clean
poweroff
EOF

chmod +x upgrade
ssh-keygen -f ssh_id -N ''

debvm-create -k ssh_id.pub -r jessie -z 3 -- --customize-hook="copy-in upgrade /usr/local/bin"

for RELEASE in stretch buster bullseye bookworm sid; do
	timeout 15m debvm-run -s 2222 &
	SSHOPT="-o ConnectTimeout=5 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null"
	test "$RELEASE" = stretch && SSHOPT="${SSHOPT} -o PubkeyAcceptedKeyTypes=+ssh-rsa"
	tests/try-ssh.sh "$SSHOPT -i ssh_id -p 2222 root@localhost" "upgrade $RELEASE"
	wait
done

timeout 5m debvm-run -s 2222 &
tests/try-ssh.sh "-o ConnectTimeout=5 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i ssh_id -p 2222 root@localhost" poweroff
wait