An attempt to copy the current rvm instance into a monolithic package.

package.sh

#!/usr/bin/env bash
set -e

builddir="build/monolithic"
mkdir -p $builddir

# Copy gems
for path in $(echo "$GEM_PATH" | tr ":" " "); do
  echo "Copying $path"
  rsync -a "$GEM_HOME/" $builddir/gem
done

# Copy ruby
echo "Copying $MY_RUBY_HOME"
rsync -a "$MY_RUBY_HOME/" $builddir/ruby

# Create a file for sourcing in shell to use this specific ruby
cat > "${builddir}/use_this_ruby.rc" <<END
name=\$BASH_SOURCE
[ -z "\$name" ] && name=\$0
dir=\$(dirname \$name)
[ "$dir" = "." ] && dir="\$PWD"

GEM_HOME=\$dir/gems
GEM_PATH=\$dir/gems
PATH=./\$dir/ruby/bin:${PATH}

export GEM_HOME
export GEM_PATH
export PATH
END

echo $builddir