Merge remote-tracking branch 'bsears/homebrew'

lib/sprinkle/installers/brew.rb

@@ -0,0 +1,34 @@
+module Sprinkle
+  module Installers
+    # = Homebrew Package Installer
+    #
+    # The Homebrew package installer uses the +brew+ command to install
+    # packages on OSX.
+    # 
+    # == Example Usage
+    #
+    #   package :magic_beans do
+    #     description "Beans beans they're good for your heart..."
+    #     brew 'magic_beans_package'
+    #   end
+    #
+    class Brew < Installer
+      attr_accessor :formulas #:nodoc:
+
+      def initialize(parent, *formulas, &block) #:nodoc:
+        formulas.flatten!
+
+        super parent, &block
+
+        @formulas = formulas
+      end
+
+      protected
+
+        def install_commands #:nodoc:
+          "brew install #{@formulas.join(' ')}"
+        end
+
+    end
+  end
+end

lib/sprinkle/verifiers/brew.rb

@@ -0,0 +1,21 @@
+module Sprinkle
+  module Verifiers
+    # = Brew package Verifier
+    #
+    # Contains a verifier to check the existance of a Homebrew formula.
+    # 
+    # == Example Usage
+    #
+    #   verify { has_brew 'ntp' }
+    #
+    module Brew
+      Sprinkle::Verify.register(Sprinkle::Verifiers::Brew)
+
+      # Checks to make sure the brew <tt>formula</tt> exists on the remote server.
+      def has_brew(package)
+        @commands << "brew list | grep  #{package}"
+      end
+
+    end
+  end
+end

spec/sprinkle/installers/brew_spec.rb

@@ -0,0 +1,66 @@
+require File.dirname(__FILE__) + '/../../spec_helper'
+
+describe Sprinkle::Installers::Brew do
+
+  before do
+    @formula = mock(Sprinkle::Package, :name => 'formula')
+  end
+
+  def create_brew(*formulas, &block)
+    Sprinkle::Installers::Brew.new(@formula, *formulas, &block)
+  end
+
+  describe 'when created' do
+
+    it 'should accept a single package to install' do
+      @installer = create_brew 'ruby'
+      @installer.formulas.should == [ 'ruby' ]
+    end
+
+    it 'should accept an array of packages to install' do
+      @installer = create_brew %w( gcc gdb g++ )
+      @installer.formulas.should == ['gcc', 'gdb', 'g++']
+    end
+
+    it 'should remove options from packages list' do
+      @installer = create_brew 'ruby'
+      @installer.formulas.should == [ 'ruby' ]
+    end
+
+  end
+
+  describe 'during installation' do
+
+    before do
+      @installer = create_brew 'ruby' do
+        pre :install, 'op1'
+        post :install, 'op2'
+      end
+      @install_commands = @installer.send :install_commands
+    end
+
+    it 'should invoke the apt installer for all specified packages' do
+      @install_commands.should =~ /brew install ruby/
+    end
+
+    it 'should automatically insert pre/post commands for the specified package' do
+      @installer.send(:install_sequence).should == [ 'op1', %(brew install ruby), 'op2' ]
+    end
+
+    it 'should install a specific version if defined'
+
+  end
+
+  # describe 'during dependencies only installation' do
+  # 
+  #   before do
+  #     @installer = create_apt('ruby') { dependencies_only true }
+  #     @install_commands = @installer.send :install_commands
+  #   end
+  # 
+  #   it 'should invoke the apt installer with build-dep command for all specified packages' do
+  #     @install_commands.should =~ /apt-get --force-yes -qyu build-dep ruby/
+  #   end
+  #   
+  # end
+end