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# frozen_string_literal: true
module Bundler
class Plugin
autoload :Dsl, "bundler/plugin/dsl"
autoload :Index, "bundler/plugin/index"
autoload :Installer, "bundler/plugin/installer"
autoload :SourceList, "bundler/plugin/source_list"
class << self
# Installs a new plugin by the given name
#
# @param [String] name the name of plugin to be installed
# @param [Hash] options various parameters as described in description
# @option options [String] :source rubygems source to fetch the plugin gem from
# @option options [String] :version (optional) the version of the plugin to install
def install(name, options)
plugin_path = Pathname.new Installer.new.install(name, options)
validate_plugin! plugin_path
register_plugin name, plugin_path
Bundler.ui.info "Installed plugin #{name}"
rescue StandardError => e
Bundler.rm_rf(plugin_path) if plugin_path
Bundler.ui.error "Failed to install plugin #{name}: #{e.message}\n #{e.backtrace.join("\n ")}"
end
def eval_gemfile(gemfile)
definition = Dsl.evaluate(gemfile, nil, {})
return unless definition.dependencies.any?
plugins = Installer.new.install_definition(definition)
plugins.each do |name, path|
path = Pathname.new path
validate_plugin! path
register_plugin name, path
Bundler.ui.info "Installed plugin #{name}"
end
end
# The index object used to store the details about the plugin
def index
@index ||= Index.new
end
# The directory root to all plugin related data
def root
@root ||= Bundler.user_bundle_path.join("plugin")
end
# The cache directory for plugin stuffs
def cache
@cache ||= root.join("cache")
end
private
# Checks if the gem is good to be a plugin
#
# At present it only checks whether it contains plugin.rb file
#
# @param [Pathname] plugin_path the path plugin is installed at
#
# @raise [Error] if plugin.rb file is not found
def validate_plugin!(plugin_path)
plugin_file = plugin_path.join("plugin.rb")
raise "plugin.rb was not found in the plugin!" unless plugin_file.file?
end
# Runs the plugin.rb file, records the plugin actions it registers for and
# then passes the data to index to be stored
#
# @param [String] name the name of the plugin
# @param [Pathname] path the path where the plugin is installed at
def register_plugin(name, path)
require path.join("plugin.rb") # this shall latter be used to find the actions the plugin performs
index.register_plugin name, path.to_s
end
end
end
end
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