migrate_to_ls

#!/usr/bin/env bash
#
# Migrate well-know config locations from rpufky to ls digikam config.
#

USAGE="
Migrate well-known config locations from rpufky to ls digikam config.

Assumes a base ls/digikam config location has been run once. This is
non-destructive for the source config.

See https://github.com/r-pufky/digikam/blob/master/migration.md for full
migration instructions.

Usage: $0 [OPTIONS]

Options:
  -s [DIR] Source config mount (rpufky/digikam config mount). Use trailing
           slash. Required.
  -d [DIR] Dest config mount (ls/digikam config mount). Use trailing slash.
           Required.

Examples:
  $0 -s /data/rp/config/ -d /data/ls/config/
"

while getopts "s:d:h" options; do
  case "${options}" in
    s)
      SOURCE=${OPTARG%%/}
      ;;
    d)
      DEST=${OPTARG%%/}
      ;;
    h)
      echo "${USAGE}"
      exit 1
      ;;
    :)
      echo "${USAGE}"
      exit 1
      ;;
  esac
done

if [ -z ${SOURCE} ] || [ -z ${DEST} ]; then
  echo 'Error: source and destination config locations required.'
  exit 2
fi

# Migrate user settings.
cp -av "${DEST}/.config/digikamrc" "${DEST}/.config/digikamrc.orig"
cp -av "${SOURCE}/xdg/config/digikamrc" "${DEST}/.config/digikamrc"
chown --reference="${DEST}/.config/digikamrc.orig" "${DEST}/.config/digikamrc"
chmod --reference="${DEST}/.config/digikamrc.orig" "${DEST}/.config/digikamrc"

# Migrate DBs.
find "${DEST}" -type f -name "*.db" -exec mv -v {} {}.orig \;
cp -av "${SOURCE}"/*.db "${DEST}"
chown --reference="${DEST}/digikam4.db.orig" "${DEST}/"*.db
chmod --reference="${DEST}/digikam4.db.orig" "${DEST}/"*.db