Auto update and backup scripts for Vaultwarden

autoupdate.sh

cd vaultwarden.git
LATEST=`git tag --sort=version:refname | tail -1`
CURRENT=`git describe --exact-match --tags`

if [ "$LATEST" != "$CURRENT" ]; then
  echo "Update from $CURRENT to $LATEST available."
  git fetch --tags
  git checkout $LATEST
  cd ..
  OUTPUT=`./recompile.sh`
  ERR=$?
  if [ $ERR -ne 0 ]; then
    printf "Attempted to compile version $LATEST.\n\n$OUTPUT" | mail -s "Vaultwarden compile failed!" root
    echo "Failed to compile vaultwarden."
    exit 1
  fi
  echo "Restarting vaultwarden with the new version."
  killall vaultwarden
  sleep 1s
  ./vaultwarden &
  echo "Waiting to make sure it doesn't crash."
  sleep 30s
  ps | grep -q '[v]aultwarden'
  WORKING=$?
  if [ $WORKING -eq 0 ]; then
    printf "Updated from version %s to %s.\n\nhttps://github.com/dani-garcia/vaultwarden/releases/tag/%s" $CURRENT $LATEST $LATEST | mail -s "Vaultwarden updated." root
    echo "Success!"
  else
    printf "Updated from version %s to %s.\n\nhttps://github.com/dani-garcia/vaultwarden/releases/tag/%s" $CURRENT $LATEST $LATEST | mail -s "Vaultwarden updated crashed!" root
    echo "Vaultwarden crashed."
  fi
fi

backup.sh

function backup {
	rsync --archive --mkpath \
		--xattrs --atimes \
		"$@"
}

ENVFILE=/home/vaultwarden/.env
DATA_DIR=/home/vaultwarden/data/
SQLITE=/home/vaultwarden/sqldb/db.sqlite3
OUTPUT=/storage/vaultwarden-backup

backup --exclude=tmp --exclude=icon_cache "$DATA_DIR" "$OUTPUT/data"
backup "$ENVFILE" "$OUTPUT/.env"
mkdir -p "$OUTPUT/sqldb" && sqlite3 "$SQLITE" ".backup $OUTPUT/sqldb/db.sqlite3"

recompile.sh

cd vaultwarden.git
cargo build --features sqlite --release
cd ..
mv vaultwarden vaultwarden.old
cp vaultwarden.git/target/release/vaultwarden ./