wow, even cooler\!

bin/penchant

@@ -63,6 +63,22 @@ class PenchantCLI < Thor
     puts get_current_env
   end
 
+  desc "bootstrap [DIR = ..]", "Download all referred-to git repos to the specified directory"
+  def bootstrap(dir = '..')
+    Penchant::Gemfile.defined_git_repos.each do |repo|
+      puts "Cloning #{repo} to #{dir}."
+      repo.clone_to(dir)
+    end
+  end
+
+  def method_missing(method, *args)
+    if Penchant::Gemfile.available_environments.include?(method)
+      gemfile(method, *args)
+    else
+      super(method, *args)
+    end
+  end
+
   no_tasks do
     def get_current_env
       gemfile = Penchant::Gemfile.new

features/ruby_gemfile.feature

@@ -157,3 +157,30 @@ Feature: Gemfiles
 
       """
 
+  Scenario: Get the list of environments defined
+    Given I have the file "Gemfile.penchant" with the content:
+      """
+      env :cat do
+        gem 'one', :path => '../%s'
+      end
+
+      env :dog do
+        gem 'two', :path => '../%s'
+      end
+      """
+    When I request the list of environments available
+    Then I should get the following environments:
+      | cat |
+      | dog |
+
+  @wip
+  Scenario: Get the list of git repos defined
+    Given I have the file "Gemfile.penchant" with the content:
+      """
+      gem 'one', :path => '../%s'
+      gem 'two', :git => 'git://github.cats/%s.git'
+      """
+    When I request the list of git repositories
+    Then I should get the following repositories:
+      | git://github.cats/two.git |
+

features/step_definitions/then/i_should_get_the_following_environments.rb

@@ -0,0 +1,3 @@
+Then /^I should get the following environments:$/ do |table|
+  @environments.collect(&:to_s).sort.should == table.raw.flatten.sort
+end

features/step_definitions/then/i_should_get_the_following_repositories.rb

@@ -0,0 +1,4 @@
+Then /^I should get the following repositories:$/ do |table|
+  @repos.collect(&:to_s).sort.should == table.raw.flatten.sort
+end
+

features/step_definitions/when/i_request_the_list_of_environments_available.rb

@@ -0,0 +1,3 @@
+When /^I request the list of environments available$/ do
+  @environments = Penchant::Gemfile.available_environments
+end

features/step_definitions/when/i_request_the_list_of_git_repositories.rb

@@ -0,0 +1,3 @@
+When /^I request the list of git repositories$/ do
+  @repos = Penchant::Gemfile.defined_git_repos
+end

lib/penchant.rb

@@ -1,4 +1,5 @@
 module Penchant
   autoload :Gemfile, 'penchant/gemfile'
+  autoload :Repo, 'penchant/repo'
   autoload :DotPenchant, 'penchant/dot_penchant'
 end

lib/penchant/gemfile.rb

@@ -17,17 +17,26 @@ module Penchant
     end
 
     def self.pre_switch(env, deployment = false)
-      gemfile = Penchant::Gemfile.new
+      gemfile = new
       return false if !gemfile.has_processable_gemfile?
       gemfile.run_dot_penchant!(env, deployment)
 
       gemfile
     end
 
+    def self.available_environments
+      new.available_environments
+    end
+
+    def self.defined_git_repos
+      new.defined_git_repos
+    end
+
     def current_env ; @env ; end
 
     def initialize(path = Dir.pwd)
       @path = path
+      @env = environment
     end
 
     def gemfile_path
@@ -75,7 +84,7 @@ module Penchant
     end
 
     class FileProcessor
-      attr_reader :environment, :is_deployment
+      attr_reader :environment, :is_deployment, :available_environments, :defined_git_repos
 
       def self.result(data, *args)
         new(data).result(*args)
@@ -91,6 +100,8 @@ module Penchant
 
       def initialize(data)
         @data = data
+        @available_environments = []
+        @defined_git_repos = []
       end
 
       def result(_env, _is_deployment)
@@ -105,6 +116,8 @@ module Penchant
       end
 
       def env(*args)
+        @available_environments += args
+
         yield if args.include?(environment)
       end
 
@@ -220,6 +233,10 @@ module Penchant
         args = [ gem_name.first ]
         args << options if !options.empty?
 
+        if options[:git]
+          @defined_git_repos << Penchant::Repo.new(options[:git])
+        end
+
         @output << %{gem #{args_to_string(args)}}
       end
 
@@ -254,10 +271,20 @@ module Penchant
       end
     end
 
+    def available_environments
+      process
+      builder.available_environments
+    end
+
+    def defined_git_repos
+      process
+      builder.defined_git_repos
+    end
+
     def switch_to!(gemfile_env = nil, deployment = false)
       @env, @is_deployment = gemfile_env, deployment
 
-      output = [ header, process(template) ]
+      output = [ header, process ]
 
       File.open(gemfile_path, 'wb') { |fh| fh.print output.join("\n") }
     end
@@ -289,15 +316,21 @@ module Penchant
       File.join(@path, file)
     end
 
-    def process(template)
+    def process
-      builder = case File.extname(processable_gemfile_path)
+      builder.result(@env, @is_deployment)
+    end
+
+    def builder
+      return @builder if @builder
+
+      klass = case File.extname(processable_gemfile_path)
       when '.penchant'
         PenchantFile
       when '.erb'
         ERBFile
       end
 
-      builder.result(template, @env, @is_deployment)
+      @builder = klass.new(template)
     end
 
     def template

lib/penchant/repo.rb

@@ -0,0 +1,16 @@
+module Penchant
+  class Repo
+    def initialize(url)
+      @url = url
+    end
+
+    def clone_to(dir)
+      Dir.chdir(dir) do
+        system %{git clone #{@url}}
+      end
+    end
+
+    def to_s ; @url ; end
+  end
+end
+

spec/lib/penchant/gemfile_spec.rb

@@ -150,7 +150,7 @@ ERB
   end
 
   describe '#switch_to!' do
-    let(:template) { 'template' }
+    let(:template) { 'source' }
     let(:gemfile_path) { 'gemfile path' }
     let(:header) { 'header' }