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Contents
# Encapsulates the logic for installing plugins into Capistrano. Plugins must
# simply conform to a basic API; the PluginInstaller takes care of invoking the
# API at appropriate times.
#
# This class is not used directly; instead it is typically accessed via the
# `install_plugin` method of the Capistrano DSL.
#
module Capistrano
class Configuration
class PluginInstaller
# "Installs" a Plugin into Capistrano by loading its tasks, hooks, and
# defaults at the appropriate time. The hooks in particular can be
# skipped, if you want full control over when and how the plugin's tasks
# are executed. Simply pass `load_hooks:false` to opt out.
#
# The plugin class or instance may be provided. These are equivalent:
#
# install(Capistrano::SCM::Git)
# install(Capistrano::SCM::Git.new)
#
# Note that the :load_immediately flag is for internal use only and will
# be removed in an upcoming release.
#
def install(plugin, load_hooks: true, load_immediately: false)
plugin = plugin.is_a?(Class) ? plugin.new : plugin
plugin.define_tasks
plugin.register_hooks if load_hooks
@scm_installed ||= provides_scm?(plugin)
if load_immediately
plugin.set_defaults
else
Rake::Task.define_task("load:defaults") do
plugin.set_defaults
end
end
end
def scm_installed?
@scm_installed
end
private
def provides_scm?(plugin)
plugin.respond_to?(:scm?) && plugin.scm?
end
end
end
end
Version data entries
34 entries across 34 versions & 2 rubygems