[util-iso] allow configuring xorg and lng pkg cache cleanup via config

bin/buildiso.in

@@ -118,8 +118,6 @@ load_config "${USER_CONFIG}/manjaro-tools.conf"
 load_config "${SYSCONFDIR}/manjaro-tools.conf"
 
 clean_first=true
-clean_cache_xorg=true
-clean_cache_lng=true
 clean_cache_iso=true
 
 pretend=false

conf/manjaro-tools.conf

@@ -53,6 +53,12 @@
 # default iso buildset; name without .set extension
 # buildset_iso=default
 
+# clean xorg cache before building
+# clean_cache_xorg=true
+
+# clean lng cache before building
+# clean_cache_lng=true
+
 # unset defaults to given value
 # dist_name="Manjaro"
 

lib/util.sh

@@ -258,6 +258,14 @@ load_config(){
 		buildset_iso='default'
 	fi
 
+	if [[ -z ${clean_cache_xorg} ]];then
+		clean_cache_xorg='true'
+	fi
+
+	if [[ -z ${clean_cache_lng} ]];then
+		clean_cache_lng='true'
+	fi
+
 	##### iso settings #####
 
 	if [[ -z ${dist_release} ]];then