pkgmeek: added interrupt() to handle SIGTERM and SIGHUP

scripts/pkgmeek

@@ -548,6 +548,10 @@ refresh_signature() {
 	fi
 }
 
+interrupted() {
+	error "Interrupted."; cleanup_work; exit 1
+}
+
 cleanup_work() {
 	[ "$PKGMK_KEEP_WORK" = "yes" ] || { cd "$PKGMK_ROOT"; rm -rf "$work"; }
 }
@@ -585,5 +589,6 @@ readonly -f main info warning error print_help parse_options validate_pkgfile \
 	check_reqvars check_pkg_mtime fetch_url cat_manifest check_manifest \
 	cat_signature check_signature parse_signify_output refresh_signature \
 	cleanup_work recursive
+trap "interrupted" SIGHUP SIGINT SIGQUIT SIGTERM
 
 main "$@"