Class: Fourchette::Fork

Inherits:
Object
  • Object
show all
Includes:
Logger
Defined in:
lib/fourchette/fork.rb

Instance Method Summary collapse

Methods included from Logger

#logger

Constructor Details

#initialize(params) ⇒ Fork

Returns a new instance of Fork.



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# File 'lib/fourchette/fork.rb', line 4

def initialize(params)
  @params = params
  @heroku = Fourchette::Heroku.new
  @github = Fourchette::GitHub.new
end

Instance Method Details

#branch_name ⇒ Object 



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# File 'lib/fourchette/fork.rb', line 48

def branch_name
  @params['pull_request']['head']['ref']
end

#create ⇒ Object 



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# File 'lib/fourchette/fork.rb', line 31

def create
  @github.comment_pr(
    pr_number, 'Fourchette is initializing a new fork.') if Fourchette::DEBUG
  create_unless_exists
  update
end

#create_unless_exists ⇒ Object 



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# File 'lib/fourchette/fork.rb', line 56

def create_unless_exists
  unless app_exists?
    @heroku.fork(ENV['FOURCHETTE_HEROKU_APP_TO_FORK'], fork_name)
    post_fork_url
  end
end

#delete ⇒ Object 



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# File 'lib/fourchette/fork.rb', line 38

def delete
  @heroku.delete(fork_name)
  @github.comment_pr(pr_number, 'Test app deleted!')
end

#fork_name ⇒ Object 



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# File 'lib/fourchette/fork.rb', line 43

def fork_name
  # It needs to be lowercase only.
  "#{ENV['FOURCHETTE_HEROKU_APP_PREFIX']}-PR-#{pr_number}".downcase
end

#monitor_build(build) ⇒ Object 



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# File 'lib/fourchette/fork.rb', line 17

def monitor_build(build)
  logger.info 'Start of the build process on Heroku...'
  build_info = @heroku.client.build.info(fork_name, build['id'])
  # Let's just leave some time to Heroku to download the tarball and start
  # the process. This is some random timing that seems to make sense at first.
  sleep 30
  if build_info['status'] == 'failed'
    @github.comment_pr(
      pr_number, 'The build failed on Heroku. See the activity tab on Heroku.'
    )
    fail Fourchette::DeployException
  end
end

#pr_number ⇒ Object 



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# File 'lib/fourchette/fork.rb', line 52

def pr_number
  @params['pull_request']['number']
end

#update ⇒ Object 



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# File 'lib/fourchette/fork.rb', line 10

def update
  create_unless_exists

  build = @heroku.client.build.create(fork_name, tarball_options)
  monitor_build(build)
end