class TapDance::DSL

Attributes

definition[R]

Public Class Methods

evaluate(brewfile, lockfile=nil, unlock=nil) click to toggle source
# File lib/tap_dance/dsl.rb, line 11
def self.evaluate(brewfile, lockfile=nil, unlock=nil)
  builder = new
  builder.eval_brewfile(brewfile)
  builder.definition
end
new() click to toggle source
# File lib/tap_dance/dsl.rb, line 17
def initialize
  @groups = [] # Arg/filter groups
  @tap   = nil # Current tap scope

  @definition = Definition.new
end

Public Instance Methods

brew(name, version=nil, opts=nil) click to toggle source
# File lib/tap_dance/dsl.rb, line 50
def brew(name, version=nil, opts=nil)
  # Was version omitted?
  if opts.nil? && version.is_a?(Hash)
    opts = version
    version = nil
  end
  opts ||= {}

  @definition.brew name, version, { :tap => @tap }.merge(opts)
end
eval_brewfile(brewfile, contents = nil) click to toggle source
# File lib/tap_dance/dsl.rb, line 24
def eval_brewfile(brewfile, contents = nil)
  contents ||= File.read File.expand_path(brewfile.to_s)
  instance_eval contents, brewfile.to_s, 1
rescue SyntaxError => e
  bt = e.message.split("\n")[1..-1]
  raise BrewfileError, ["Brewfile syntax error:", *bt].join("\n")
rescue ScriptError, RegexpError, NameError, ArgumentError => e
  e.backtrace[0] = "#{e.backtrace[0]}: #{e.message} (#{e.class})"
  TapDance.ui.warn e.backtrace.join("\n       ")
  raise BrewfileError, "There was an error in your Brewfile," \
    " and TapDance cannot continue."
end
tap(name, url, opts={}) { || ... } click to toggle source

DSL commands

# File lib/tap_dance/dsl.rb, line 38
def tap(name, url, opts={})
  # Can't nest taps; doesn't make sense
  raise BrewfileError, "You cannot nest taps!" unless @tap.nil?
  old_tap = @tap

  @tap = @definition.tap name, url, opts

  yield if block_given?

  @tap = old_tap
end