#!/bin/bash

## in development, meant to be run manually
[[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"

if ! test "$BASH_VERSION"; then echo "error: shell is not bash" >&2; exit 1; fi
shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" exit status: $?, PIPESTATUS: ${PIPESTATUS[*]}" >&2' ERR

set -x

da=(/dev/mapper/crypt_dev*)
d=${da[0]}

mount -o subvol=root_trisquelnabia $d /mnt

boot_part=$(awk '$2 == "/" {print $1}' /etc/mtab)
mount -o subvol=boot_trisquelnabia $boot_part /mnt/boot

cd /mnt
mount -o bind /dev dev
mount -o bind /proc proc
mount -o bind /sys sys
mkdir -p boot/efi
mount "$(awk '$2 == "/boot/efi" {print $1}' /etc/mtab)" boot/efi
chroot .
# then run zboot-chroot