Variables

Variables

This comes from a grep of the 2.5.5 codebase, details should be added about what each variable means, but in case you wanted to know what was out there here they are.

basic

• :application { abort "Please specify the name of your application, set :application, 'foo'" }
• :repository { abort "Please specify the repository that houses your application's code, set :repository, 'foo'" }
• :scm :subversion
• :deploy_via :checkout
• :deploy_to { "/u/apps/#{application}" }
• :run_method { fetch(:use_sudo, true) ? :sudo : :run }

dirs

• :current_dir "current"
• :shared_dir "shared"
• :version_dir "releases"

paths

• :current_path { File.join(deploy_to, current_dir) }
• :release_path { File.join(releases_path, release_name) }
• :releases_path { File.join(deploy_to, version_dir) }
• :shared_path { File.join(deploy_to, shared_dir) }

releases

• :release_name { set :deploy_timestamped, true; Time.now.utc.strftime("%Y%m%d%H%M%S") }
• :releases { capture("ls -xt #{releases_path}").split.reverse }
• :latest_release { exists?(:deploy_timestamped) ? release_path : current_release }
• :current_release { File.join(releases_path, releases.last) }
• :previous_release { releases.length > 1 ? File.join(releases_path, releases[-2]) : nil }

revisions

• :current_revision { capture("cat #{current_path}/REVISION").chomp }
• :latest_revision { capture("cat #{current_release}/REVISION").chomp }
• :previous_revision { capture("cat #{previous_release}/REVISION").chomp }
• :revision { source.head }
• :real_revision { source.local.query_revision(revision) { |cmd| with_env("LC_ALL", "C") { run_locally(cmd) } } }

other

• :shared_children  %w(system log pids)
• :source { Capistrano::Deploy::SCM.new(scm, self) }
• :strategy { Capistrano::Deploy::Strategy.new(deploy_via, self) }