Factorio autosave saver / archiver.

factorio_save_archiver.sh

#!/bin/sh

# This script looks for new complete Factorio autosaves and archives
# them into current directory with date and time.
# Copyright: Witold Baryluk, 2019

if ! which inotifywait >/dev/null; then
  echo "Please install inotify-tools first. Debian example: sudo apt install inotify-tools"
  exit 1
fi

if ! which stdbuf >/dev/null; then
  echo "This program requires stdbuf from GNU coreutils. Why you don't have it!?"
  exit 1
fi

SAVEDIR="${HOME}/.factorio/saves"

if ! egrep "^non-blocking-saving=true" "${HOME}/.factorio/config/config.ini" >/dev/null; then
  echo "Tip: Use [other] non-blocking-saving=true in config.ini to make saving expirience nicer."
fi

echo "Monitoring ${SAVEDIR} for new autosave files ..."

# | egrep --line-buffered '_autosave[1-9]\.zip'

# $ inotifywait --monitor --quiet -e moved_to ~/.factorio/saves/
# /home/user/.factorio/saves/ MOVED_TO _autosave2.bak.zip
# /home/user/.factorio/saves/ MOVED_TO _autosave2.zip

stdbuf --output=L inotifywait --monitor --quiet --event moved_to "${SAVEDIR}" | while read directory event filename
do
  DATETIME=$(date "+%F_%T")

  if ! echo "${filename}" | egrep '^_autosave[1-9]\.zip$' >/dev/null; then
    # echo "Ignoring ${filename}"  # I.e. _autosave2.bak.zip and _autosave2.tmp.zip
    continue
  fi

  SHA256SUM=$(sha256sum "${SAVEDIR}/${filename}" | cut --delimiter=' ' --fields=1)
  echo "${DATETIME}" "${filename}" "${SHA256SUM}"
  cp -v "${SAVEDIR}/${filename}" "./factorio_archived_autosave_${DATETIME}.zip"
  ls -lh "./factorio_archived_autosave_${DATETIME}.zip"
done