Simple buildpack runner in Go.
CLI
bp -app 'example-app' -buildpack 'http://github.com/heroku/heroku-buildpack-ruby' -src '/user/home/exampleapp'
Code
bp, err := NewBuildpack(*bpDir)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
if err := bp.Run(*srcDir); err != nil {
fmt.Println(err)
os.Exit(1)
}