#!/usr/bin/env bash

set -e

source ~/.config/restic-backup/config.sh

startsudo() {
    sudo -v
    ( while true; do sudo -v; sleep 50; done; ) &
    SUDO_PID="$!"
}
stopsudo() {
    kill "$SUDO_PID"
    sudo -k
}
cleanup() {
  pass gocrypt close || true > /dev/null 2>&1
  stopsudo
}

trap cleanup EXIT SIGINT SIGTERM

startsudo

pass gocrypt close > /dev/null 2>&1 || true
PASS_GOCRYPT_CLOSE_TIMEOUT=2147483648 pass gocrypt open

for dir in ${RESTIC_BACKUP_SUBVOL_PATHS[@]}; do 
  parent="$(dirname $dir)"
  snap="$parent/$(basename $dir)-restic"
  echo "snap = $snap"
  sudo btrfs subvol delete "$snap" > /dev/null 2>&1 || true
  sudo btrfs subvol snap "$dir" "$snap"
  restic-wrapper --verbose backup --exclude-caches "$snap"
  sudo btrfs subvol delete "$snap" || true
done

stopsudo