#! /usr/bin/env sh

# https://serverfault.com/a/211083

set -e

DEST="$(cat remote)"
if [ ! -d $DEST ] && [[ ! $DEST =~ ":" ]]; then
  echo "Path $DEST does not exist."
  exit 1
fi

ARGS=()
FORCE=0
while getopts 'cfdr' opt; do
  case "$opt" in
    c) # Changes
      ARGS+=('--delete')
      ;;
    f) # Full
      ARGS+=('--checksum')
      ;;
    d) # Dry
      ARGS+=('--dry-run')
      ;;
    r) # Revert
      FORCE=1
      ;;
    *)
      echo "Unknown argument"
      exit 1
      ;;
  esac
done

if [ $FORCE = 0 ]; then
  ARGS+=('--update')
fi

rsync --archive --itemize-changes "${ARGS[@]}" ./$2 $DEST