update_ts.sh: handle empty exclusion

jef-n · jef-n · commit 8e7486bf569b · 2018-04-23T00:20:25.000+02:00
diff --git a/scripts/update_ts.sh b/scripts/update_ts.sh
@@ -111,7 +111,7 @@ trap cleanup EXIT
 echo Saving translations
 files="$files $(find python -name "*.ts")"
 [ $action = push ] && files="$files i18n/qgis_*.ts"
-tar --remove-files -cf i18n/backup.tar $files
+[ -n "${files## }" ] && tar --remove-files -cf i18n/backup.tar $files
 
 if [ $action = push ]; then
 	echo Pulling source from transifex...
