tombh/peas

#!/usr/bin/env ruby

# This script is called by the pre-receive hook of an app's Git repo

DIND_GEMS = '/home/peas/.bundler'
if File.directory? DIND_GEMS
  ENV['GEM_HOME'] = DIND_GEMS
end

$LOAD_PATH.unshift File.join(File.dirname(__FILE__), '..')
require 'config/boot'

refs = $stdin.gets.split(' ')
new_revision = refs[1]
# In case they're needed one day, the follwowing are also available;
# old_revision = refs[0]
# branch = refs[2].split('/').last

app = App.find_by name: ARGV[0]
job_id = app.worker.deploy(new_revision)
socket = Peas::Switchboard.connection
socket.puts "subscribe.job_progress.#{job_id} history"
while line = socket.gets
  parsed = JSON.parse(line)
  if parsed.key? 'body'
    parsed['body'].lines.each do |line|
      # \b is the escape code for 'backspace', so it overwrites Git's 'remote:' string for each line of the build
      # process.
      puts "\b\b\b\b\b\b\b\b#{line}"
    end
  end
  break if parsed['status'] == 'failed' || parsed['status'] == 'complete'
end