add makefile and dockerfile for mal CI for ruby.2

IMPLS.yml

@@ -81,6 +81,7 @@ IMPL:
   - {IMPL: rexx}
   - {IMPL: rpython, SLOW: 1}
   - {IMPL: ruby}
+  - {IMPL: ruby.2}
   - {IMPL: rust}
   - {IMPL: scala}
   - {IMPL: scheme, scheme_MODE: chibi}

impls/ruby.2/Dockerfile

@@ -0,0 +1,24 @@
+FROM ubuntu:20.04
+MAINTAINER Joel Martin <github@martintribe.org>
+
+##########################################################
+# General requirements for testing or common across many
+# implementations
+##########################################################
+
+RUN apt-get -y update
+
+# Required for running tests
+RUN apt-get -y install make python
+
+# Some typical implementation and test requirements
+RUN apt-get -y install curl libreadline-dev libedit-dev
+
+RUN mkdir -p /mal
+WORKDIR /mal
+
+##########################################################
+# Specific implementation requirements
+##########################################################
+
+RUN apt-get -y install ruby

impls/ruby.2/Makefile

@@ -0,0 +1,19 @@
+SOURCES_BASE = errors.rb types.rb reader.rb printer.rb
+SOURCES_LISP = env.rb core.rb stepA_mal.rb
+SOURCES = $(SOURCES_BASE) $(SOURCES_LISP)
+
+all:
+	true
+
+dist: mal.rb mal
+
+mal.rb: $(SOURCES)
+	cat $+ | grep -v "^require_relative" > $@
+
+mal: mal.rb
+	echo "#!/usr/bin/env ruby" > $@
+	cat $< >> $@
+	chmod +x $@
+
+clean:
+	rm -f mal.rb mal

runtest.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 
 from __future__ import print_function
 import os, sys, re