rb-ast: new port

ruby/rb-ast/Portfile

@@ -0,0 +1,18 @@
+# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
+
+PortSystem          1.0
+PortGroup           ruby 1.0
+
+ruby.branches       3.3 3.2 3.1
+ruby.setup          ast 2.4.2 gem {} rubygems
+categories-append   devel
+license             MIT
+platforms           any
+maintainers         nomaintainer
+description         Library for working with Abstract Syntax Trees
+long_description    {*}${description}
+homepage            https://whitequark.github.io/ast
+checksums           rmd160  3f243ff08266d8dbb60bd49561f763ac4647169b \
+                    sha256  1e280232e6a33754cde542bc5ef85520b74db2aac73ec14acef453784447cc12 \
+                    size    11776
+supported_archs     noarch