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module Guard
# A group of Guard plugins. There are two reasons why you want to group your
# Guard plugins:
#
# * You can start only certain groups from the command line by passing the
# `--group` option to `guard start`.
# * Abort task execution chain on failure within a group with the
# `:halt_on_fail` option.
#
# @example Group that aborts on failure
#
# group :frontend, halt_on_fail: true do
# guard 'coffeescript', input: 'spec/coffeescripts',
# output: 'spec/javascripts'
# guard 'jasmine-headless-webkit' do
# watch(%r{^spec/javascripts/(.*)\..*}) do |m|
# newest_js_file("spec/javascripts/#{m[1]}_spec")
# end
# end
# end
#
# @see Guard::CLI
#
class Group
attr_accessor :name, :options
# Initializes a Group.
#
# @param [String] name the name of the group
# @param [Hash] options the group options
# @option options [Boolean] halt_on_fail if a task execution
# should be halted for all Guard plugins in this group if a Guard plugin
# throws `:task_has_failed`
#
def initialize(name, options = {})
@name = name.to_sym
@options = options
end
# Returns the group title.
#
# @example Title for a group named 'backend'
# > Guard::Group.new('backend').title
# => "Backend"
#
# @return [String]
#
def title
@title ||= name.to_s.capitalize
end
# String representation of the group.
#
# @example String representation of a group named 'backend'
# > Guard::Group.new('backend').to_s
# => "#<Guard::Group @name=backend @options={}>"
#
# @return [String] the string representation
#
def to_s
"#<#{self.class} @name=#{name} @options=#{options}>"
end
end
end
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