modbuild: issue with cleaning up modulefiles in overlays fixed

Pmodules/libpbuild.bash

@@ -967,6 +967,7 @@ pbuild::make_all() {
 		fi
 		install_modulefile
 		install_release_file
+		cleanup_modulefiles
 		cleanup_build
 		cleanup_src
 		std::info \
@@ -999,6 +1000,33 @@ pbuild::make_all() {
 		install -m 0644 "${src}" "${modulefile_name}"
 	}
 
+	cleanup_modulefiles(){
+		local ol=''
+		for ol in "${Overlays[@]}"; do
+			local i
+			for ((i=0; i<${#mod_overlays}; i++ )); do
+				[[ "${ol}" == "{mod_overlays[i]}" ]] && continue 2
+			done
+			[[ "${ol}" == "${ol_name}" ]] && continue
+			local mod_root="${OverlayInfo[${ol}:mod_root]}"
+			local dir="${modulefile_dir/${ol_mod_root}/${mod_root}}"
+			local fname="${dir}/${module_version}"
+			if [[ -e "${fname}" ]]; then
+				std::info "%s "\
+					  "${module_name}/${module_version}:" \
+					  "removing modulefile from overlay '${ol}' ..."
+				rm "${fname}"
+			fi
+			fname="${dir}/.release-${module_version}"
+			if [[ -e "${fname}" ]]; then
+				std::info \
+					"%s " \
+					"${module_name}/${module_version}:" \
+					"removing release file from overlay '${ol}' ..."
+				rm "${fname}"
+			fi
+		done
+	}
 
 	install_release_file() {
  		local -r release_file="${modulefile_dir}/.release-${module_version}"
@@ -1208,6 +1236,7 @@ pbuild::make_all() {
 			install_modulefile
 		fi
 		install_release_file
+		cleanup_modulefiles
 		return $?
 	fi
 	if [[ "${module_release}" == 'deprecated' ]]; then