Disable update mods

lgsm/functions/command_mods_update.sh

@@ -50,6 +50,15 @@ fn_mods_update_loop(){
 		if [ -n "${currentmod}" ]; then
 			# Get mod info
 			fn_mod_get_info_from_command
+			# Don't update the mod if it's policy is to "NOUPDATE"
+			if [ "${modkeepfiles}" == "NOUPDATE" ]; then
+				fn_print_warning "${modprettyname} update has been disabled by LGSM."
+				echo " * Usual reason is to prevent erasing custom files."
+				echo " * If you still wish to update this mod:
+				echo " *  1) Backup your critical mod files
+				echo " *  2) Uninstall the mod with ./${selfname} mods-uninstall (optionnal)
+				echo " *  3) Re-install the mod with ./${selfname} mods-install"
+			else
 				fn_print_dots_nl "Updating ${modprettyname}"
 				fn_script_log "Updating ${modprettyname}."
 				# Check and create required directories
@@ -75,8 +84,10 @@ fn_mods_update_loop(){
 				fn_print_ok_nl "${modprettyname} installed."
 				fn_script_log "${modprettyname} installed."
 				let installedmodsline=installedmodsline+1
+			fi
 		else
 			fn_print_fail "No mod was selected."
+			fn_script_log_fail "No mod was selected."
 			core_exit.sh
 		fi
 	done