containers-gem-compiler/gem-compiler.sh

#!/bin/sh
set -e

test -n "${GEM_NAME}"
test -n "${GEM_VERSION}"
test -n "${HTTP_BASIC_USER}"
test -n "${HTTP_BASIC_PASSWORD}"
test -n "${SUTTY}"
test -n "${PLATFORM}"

source /etc/os-release

# 3.13.alpine.gems.sutty.nl
# rolling.arch.gems.sutty.nl
# 18.04.ubuntu.gems.sutty.nl
OS_VERSION="$(os-version)"
RUBY_GEMS="https://${HTTP_BASIC_USER}:${HTTP_BASIC_PASSWORD}@${OS_VERSION}.${ID}.gems.${SUTTY}"

cd cache/
gem fetch --source=https://rubygems.org --platform=ruby --version ${GEM_VERSION} ${GEM_NAME}

cd ../gems/
gem compile -V --prune --strip "strip --strip-unneeded" ${GEM_COMPILER_FLAGS} "../cache/${GEM_NAME}-${GEM_VERSION}.gem"

if test -f "${GEM_NAME}-${GEM_VERSION}-${PLATFORM}.gem"; then
  gem inabox -o "${GEM_NAME}-${GEM_VERSION}-${PLATFORM}.gem" --host "${RUBY_GEMS}"
fi

if test -f "${GEM_NAME}-${GEM_VERSION}.gem"; then
  gem inabox -o "${GEM_NAME}-${GEM_VERSION}.gem" --host "${RUBY_GEMS}"
fi