Add test infrastructure and eliminate network dependency

This commit just adds dockerfiles we can run to ensure this repo doesn't have a network dependency when we compile and install. I also added the files necessary to eliminate the network dependency.
github · eileencodes · Jun 17, 2020 · Jun 7, 2020 · Jun 8, 2020 · Jun 13, 2020
commit 82d3cb93e74e225d72c6d1673caf6ee7e6a5a12a
diff --git a/.downloaded-cache/config.guess b/.downloaded-cache/config.guess
diff --git a/.downloaded-cache/config.sub b/.downloaded-cache/config.sub
diff --git a/.gitignore b/.gitignore
@@ -27,7 +27,6 @@
 *.swp
 *.yarb
 *~
-.*-*
 .*.list
 .*.time
 .DS_Store
@@ -212,10 +211,6 @@ lcov*.info
 # /spec/bundler
 /.rspec_status
 
-# /tool/
-/tool/config.guess
-/tool/config.sub
-
 # /win32/
 /win32/*.ico
 

diff --git a/Dockerfile.container b/Dockerfile.container
@@ -0,0 +1,27 @@
+FROM ubuntu:18.04
+
+RUN apt-get update && apt-get install -y \
+  build-essential autoconf libtool \
+  git \
+  ruby \
+  pkg-config \
+  libffi-dev \
+  libffi6 \
+  && apt-get clean
+
+RUN apt-get install -y \
+  cmake \
+  gdb \
+  valgrind
+
+RUN apt-get install -y libssl-dev \
+  libgdbm5 \
+  libgdbm-dev \
+  libedit-dev \
+  libedit2 \
+  bison \
+  hugepages \
+  leaktracer \
+  libgdbm-dev
+
+RUN apt-get install -y libjemalloc-dev
diff --git a/Dockerfile.ruby b/Dockerfile.ruby
@@ -0,0 +1,7 @@
+FROM ruby-test:latest
+
+ADD . .
+RUN autoconf
+RUN ./configure --disable-install-rdoc --with-jemalloc
+RUN make -s -j$(nproc)
+RUN make test
diff --git a/script/cibuild b/script/cibuild
@@ -0,0 +1,7 @@
+#!/bin/bash
+# Usage: script/cibuild
+# CI build script
+set -e
+
+docker build -t ruby-test . -f Dockerfile.container
+docker build -t ruby-test . -f Dockerfile.ruby --network=none
diff --git a/tool/config.guess b/tool/config.guess
@@ -0,0 +1 @@
+../.downloaded-cache/config.guess
diff --git a/tool/config.sub b/tool/config.sub
@@ -0,0 +1 @@
+../.downloaded-cache/config.sub