portatable-ruby.sh

#!/bin/bash

mkdir hello_app
cd hello_app
echo '#!/usr/bin/env ruby' > hello.rb
echo 'puts "hello world"' >> hello.rb
ruby hello.rb


mkdir -p hello-1.0.0-linux-x86/lib/app
cp hello.rb hello-1.0.0-linux-x86/lib/app/

mkdir -p hello-1.0.0-linux-x86_64/lib/app
cp hello.rb hello-1.0.0-linux-x86_64/lib/app/

mkdir -p hello-1.0.0-osx/lib/app/
cp hello.rb hello-1.0.0-osx/lib/app/


mkdir packaging
cd packaging
curl -L -O --fail https://d6r77u77i8pq3.cloudfront.net/releases/traveling-ruby-20141215-2.1.5-linux-x86.tar.gz
curl -L -O --fail https://d6r77u77i8pq3.cloudfront.net/releases/traveling-ruby-20141215-2.1.5-linux-x86_64.tar.gz
curl -L -O --fail https://d6r77u77i8pq3.cloudfront.net/releases/traveling-ruby-20141215-2.1.5-osx.tar.gz
cd ..

mkdir hello-1.0.0-linux-x86/lib/ruby && tar -xzf packaging/traveling-ruby-20141215-2.1.5-linux-x86.tar.gz -C hello-1.0.0-linux-x86/lib/ruby
mkdir hello-1.0.0-linux-x86_64/lib/ruby && tar -xzf packaging/traveling-ruby-20141215-2.1.5-linux-x86_64.tar.gz -C hello-1.0.0-linux-x86_64/lib/ruby
mkdir hello-1.0.0-osx/lib/ruby && tar -xzf packaging/traveling-ruby-20141215-2.1.5-osx.tar.gz -C hello-1.0.0-osx/lib/ruby


cd hello-1.0.0-osx
./lib/ruby/bin/ruby lib/app/hello.rb
# => hello world
cd ..



cat << EOF > packaging/wrapper.sh
#!/bin/bash
set -e

# Figure out where this script is located.
SELFDIR="\$(dirname \"\$0\")"
SELFDIR="\$(cd \"\$SELFDIR\" && pwd)"

# Run the actual app using the bundled Ruby interpreter.
exec "\$SELFDIR/lib/ruby/bin/ruby" "\$SELFDIR/lib/app/hello.rb"
EOF


chmod +x packaging/wrapper.sh
cp packaging/wrapper.sh hello-1.0.0-linux-x86/hello
cp packaging/wrapper.sh hello-1.0.0-linux-x86_64/hello
cp packaging/wrapper.sh hello-1.0.0-osx/hello



tar -czf hello-1.0.0-linux-x86.tar.gz hello-1.0.0-linux-x86
tar -czf hello-1.0.0-linux-x86_64.tar.gz hello-1.0.0-linux-x86_64
tar -czf hello-1.0.0-osx.tar.gz hello-1.0.0-osx
# rm -rf hello-1.0.0-linux-x86
# rm -rf hello-1.0.0-linux-x86_64
# rm -rf hello-1.0.0-osx