Post Receive Hook to Build Jruby Apps

gistfile1.txt

require 'logger'

class Builder
  attr :base_dir, :repo, :build_dir, :log

  def initialize(dir)
    @base_dir = File.expand_path dir
    @repo = File.join base_dir, "#{base_dir.split(File::SEPARATOR).last}.git"
    @build_dir = File.join base_dir, 'builds', latest_commit
    @log = Logger.new STDERR #File.join @base_dir, 'build.log'
    log.info "build initialized - base_dir=#{base_dir} repo=#{repo} build_dir=#{build_dir}"
  end

  def build
    clone
    bundle
    warble
  end

  private

  def latest_commit
    unless @latest_commit
      Dir.chdir repo
      @latest_commit ||= %x{git log -n1 --pretty=oneline | cut -d' ' -f1}.strip
    end
    @latest_commit
  end

  def clone
    log.info "cloning repo to #{build_dir}"
    %x{git clone #{repo} #{build_dir}}
  end

  def bundle
    log.info 'bundling'
    Dir.chdir build_dir
    %x{/home/deploy/bin/bundle install}
  end

  def warble
    log.info 'warble'
    Dir.chdir build_dir
    %x{/home/deploy/bin/warble}
  end
end

if __FILE__ == $0
  %x{rm -Rf /home/deploy/passport/builds/*} # TODO remove
  Builder.new(ARGV.first).build
end