lib/hanzo/modules/deploy.rb
module Hanzo
class Deploy < Base
# Classes
UnknownEnvironment = Class.new(StandardError)
UninstalledEnvironment = Class.new(StandardError)
protected
def initialize_variables
@env = extract_argument(1)
@env ||= Hanzo::Installers::Remotes.environments.keys.first
@branch = extract_argument(2)
end
def initialize_cli
initialize_help && return if @env.nil?
deploy && run_after_deploy_commands
rescue UnknownEnvironment
Hanzo.unindent_print "Environment `#{@env}` doesn't exist. Add it to .hanzo.yml and run:\n hanzo install remotes", :red
Hanzo.unindent_print "\nFor more information, read https://github.com/mirego/hanzo#remotes", :red
rescue UninstalledEnvironment
Hanzo.unindent_print "Environment `#{@env}` has been found in your .hanzo.yml file. Before using it, you must install it:\n hanzo install remotes", :red
end
def initialize_help
@options.banner = <<-BANNER.unindent
Usage: hanzo deploy ENVIRONMENT
Available environments
BANNER
Hanzo::Installers::Remotes.environments.each do |env|
@options.banner << " - #{env.first}\n"
end
end
def deploy
validate_environment_existence!
branch = @branch || Hanzo.ask("Branch to deploy in #{@env}:") { |q| q.default = 'HEAD' }
Hanzo.run "git push -f #{@env} #{branch}:master"
end
def run_after_deploy_commands
return unless after_deploy_commands.any?
restart_needed = false
after_deploy_commands.each do |command|
next unless Hanzo.agree("Run `#{command}` on #{@env}?")
Hanzo.run "heroku run #{command} --remote #{@env}"
restart_needed = true
end
Hanzo.run "heroku ps:restart --remote #{@env}" if restart_needed
end
def after_deploy_commands
Hanzo.config['after_deploy'] || []
end
def validate_environment_existence!
raise UnknownEnvironment unless fetcher.exist?
raise UninstalledEnvironment unless fetcher.installed?
end
def fetcher
@fetcher ||= Hanzo::Fetchers::Environment.new(@env)
end
end
end