Add dt-import-geeqie-ratings

bin/dt-import-geeqie-ratings

@@ -0,0 +1,38 @@
+#!/bin/sh
+set -e -u
+
+SCRIPTNAME=`basename "${0}"`
+
+usage() {
+  echo "Import (and overwrite!) Geeqie ratings to Darktable"
+  echo "Usage: ${SCRIPTNAME} DIRECTORY"
+}
+
+if [ "${#}" -ne 1 ] || [ ! -d "${1}" ] ; then
+  usage
+  exit 1
+fi
+
+# Don't touch XMP files while Darktable is running
+[ "`pidof darktable`" ] && { echo "Error: Darktable is running, aborting." ; false ; }
+
+DARKTABLE_DIR=`realpath "${1}"`
+GEEQIE_DIR=`realpath "${HOME}/.local/share/geeqie/metadata${DARKTABLE_DIR}"`
+RATING_FIELD="xmp:Rating"
+
+count=0
+for dt_xmp in `find "${DARKTABLE_DIR}" -maxdepth 1 -type f -name '*.xmp'` ; do
+  img=`echo "\`basename ${dt_xmp}\`" | sed 's/\.xmp$//'`
+  gq_xmp="${GEEQIE_DIR}/${img}.gq.xmp"
+  if [ -r "${dt_xmp}" ] && [ -r "${gq_xmp}" ] ; then
+    gq_rating=`grep "${RATING_FIELD}" "$gq_xmp" | cut -d'"' -f2`
+    dt_rating=`grep "${RATING_FIELD}" "$dt_xmp" | cut -d'"' -f2`
+    if [ "${gq_rating}" ] && [ "${dt_rating}" ] && [ ${gq_rating} -ne ${dt_rating} ] ; then
+      ((++count))  # Pre-increment because post-increment fails with 'set -e' :)
+      echo "counted"
+      sed -i 's/'${RATING_FIELD}'="'${dt_rating}'"/'${RATING_FIELD}'="'${gq_rating}'"/' "${dt_xmp}"
+    fi
+  fi
+done
+
+echo "${count} ratings imported. Remember to activate sidecar scanning at Darktable start-up."