Bzr support

README.markdown

@@ -29,6 +29,7 @@ The downloader class supports the following option keys:
 
 - git: commit, tag, branch, submodules
 - hg: revision
+- bzr: revision, tag
 - svn: revision, tag, folder
 - http: type
 

lib/cocoapods-downloader.rb

@@ -16,12 +16,14 @@ def self.downloader_class_by_key
       require 'cocoapods-downloader/mercurial'
       require 'cocoapods-downloader/subversion'
       require 'cocoapods-downloader/http'
+      require 'cocoapods-downloader/bazaar'
 
       {
         :git  => Git,
         :hg   => Mercurial,
         :svn  => Subversion,
         :http => Http,
+        :bzr  => Bazaar,
       }
     end
 

lib/cocoapods-downloader/bazaar.rb

@@ -0,0 +1,52 @@
+module Pod
+  module Downloader
+    class Bazaar < Base
+
+      def self.options
+        [:revision, :tag]
+      end
+
+      def options_specific?
+        !options[:revision].nil?
+      end
+
+      def checkout_options
+        Dir.chdir(target_path) do
+          options = {}
+          options[:bzr] = url
+          options[:revision] = `bzr revno`.chomp
+          options
+        end
+      end
+
+      private
+
+      executable :bzr
+
+      def download!
+        if options[:tag]
+          download_revision!(options[:tag])
+        elsif options[:revision]
+          download_revision!(options[:revision])
+        else
+          download_head!
+        end
+      end
+
+      def download_head!
+        bzr! %|branch "#{url}" #{dir_opts} "#{target_path}"|
+      end
+
+      def download_revision!(rev)
+        bzr! %|branch "#{url}" #{dir_opts} -r '#{rev}' "#{target_path}"|
+      end
+
+      def dir_opts
+        return '--use-existing-dir' if @target_path.exist?
+        ''
+      end
+
+    end
+  end
+end
+

spec/cocoapods-downloaders/bazaar_spec.rb

@@ -0,0 +1,61 @@
+require File.expand_path('../../spec_helper', __FILE__)
+
+module Pod
+  module Downloader
+    describe 'Bazaar' do
+
+      before do
+        tmp_folder.rmtree if tmp_folder.exist?
+      end
+
+      it 'checks out a specific revision' do
+        options = { :bzr => fixture('bazaar-repo'), :revision => '1' }
+        downloader = Downloader.for_target(tmp_folder, options)
+        downloader.download
+        tmp_folder('README').read.strip.should == 'First Commit'
+      end
+
+      it 'checks out a specific tag as a revision' do
+        options = { :bzr => fixture('bazaar-repo'), :revision => 'my_tag' }
+        downloader = Downloader.for_target(tmp_folder, options)
+        downloader.download
+        tmp_folder('README').read.strip.should == 'Second Commit'
+      end
+
+      it 'checks out a specific tag as a tag' do
+        options = { :bzr => fixture('bazaar-repo'), :tag => 'my_other_tag' }
+        downloader = Downloader.for_target(tmp_folder, options)
+        downloader.download
+        tmp_folder('README').read.strip.should == 'Third Commit'
+      end
+
+      it 'checks out the head revision' do
+        options = { :bzr => fixture('bazaar-repo') }
+        downloader = Downloader.for_target(tmp_folder, options)
+        downloader.download
+        tmp_folder('README').read.strip.should == 'Fourth Commit'
+      end
+
+      it 'returns the checked out revision' do
+        options = { :bzr => fixture('bazaar-repo') }
+        downloader = Downloader.for_target(tmp_folder, options)
+        downloader.download
+        downloader.checkout_options.should == {
+          :bzr => fixture('bazaar-repo'),
+          :revision => '4'
+        }
+      end
+
+      it 'returns whether the provided options are specific' do
+        Downloader.for_target('path', :bzr => 'url').options_specific?.should.be.false
+        Downloader.for_target('path', :bzr => 'url', :revision => '').options_specific?.should.be.true
+      end
+
+      it 'raises if it fails to download' do
+        options = { :bzr => 'missing-repo', :revision => '12' }
+        downloader = Downloader.for_target(tmp_folder, options)
+        lambda { downloader.download }.should.raise DownloaderError
+      end
+    end
+  end
+end

spec/fixtures/bazaar-repo/.bzr/README

@@ -0,0 +1,3 @@
+This is a Bazaar control directory.
+Do not change any files in this directory.
+See http://bazaar.canonical.com/ for more information about Bazaar.

spec/fixtures/bazaar-repo/.bzr/branch-format

@@ -0,0 +1 @@
+Bazaar-NG meta directory, format 1

spec/fixtures/bazaar-repo/.bzr/branch/format

@@ -0,0 +1 @@
+Bazaar Branch Format 7 (needs bzr 1.6)

spec/fixtures/bazaar-repo/.bzr/branch/last-revision

@@ -0,0 +1 @@
+4 [email protected]

spec/fixtures/bazaar-repo/.bzr/branch/tags

@@ -0,0 +1 @@
+d12:my_other_tag53:[email protected]:my_tag53:[email protected]

spec/fixtures/bazaar-repo/.bzr/checkout/conflicts

@@ -0,0 +1 @@
+BZR conflict list format 1

spec/fixtures/bazaar-repo/.bzr/checkout/format

@@ -0,0 +1 @@
+Bazaar Working Tree Format 6 (bzr 1.14)

spec/fixtures/bazaar-repo/.bzr/repository/format

@@ -0,0 +1 @@
+Bazaar repository format 2a (needs bzr 1.16 or later)

spec/fixtures/bazaar-repo/.bzr/repository/indices/0eee32389584c19d27fb19f04c01564d.rix

@@ -0,0 +1,6 @@
+B+Tree Graph Index 2
+node_ref_lists=1
+key_elements=1
+len=1
+row_lengths=1
+x��Q@0@�=E/@��h|H\��"A7����ܟp��*\<i���1�;�j�G	2�:��p�_�ۺ��V�E�L��I��'��

spec/fixtures/bazaar-repo/.bzr/repository/indices/0eee32389584c19d27fb19f04c01564d.six

@@ -0,0 +1,5 @@
+B+Tree Graph Index 2
+node_ref_lists=0
+key_elements=1
+len=0
+row_lengths=

spec/fixtures/bazaar-repo/.bzr/repository/indices/16b1053ed12916f4f545020352384e52.cix

@@ -0,0 +1,6 @@
+B+Tree Graph Index 2
+node_ref_lists=0
+key_elements=1
+len=1
+row_lengths=1
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spec/fixtures/bazaar-repo/.bzr/repository/indices/16b1053ed12916f4f545020352384e52.six

@@ -0,0 +1,5 @@
+B+Tree Graph Index 2
+node_ref_lists=0
+key_elements=1
+len=0
+row_lengths=

spec/fixtures/bazaar-repo/.bzr/repository/indices/7ce6129415e312dba7c6ca36ee0f2157.six

@@ -0,0 +1,5 @@
+B+Tree Graph Index 2
+node_ref_lists=0
+key_elements=1
+len=0
+row_lengths=

spec/fixtures/bazaar-repo/.bzr/repository/indices/f9604713d4ada772a21468a6846344b2.six

@@ -0,0 +1,5 @@
+B+Tree Graph Index 2
+node_ref_lists=0
+key_elements=1
+len=0
+row_lengths=

spec/fixtures/bazaar-repo/.bzr/repository/pack-names

@@ -0,0 +1,7 @@
+B+Tree Graph Index 2
+node_ref_lists=0
+key_elements=1
+len=4
+row_lengths=1
+x�E�;�1DQ�Y�����
+X�ǖ�����3PE����x�����>�����u��űO�&�s]�,�CZpC�~�Lj��u�1�]GZ���ސ�A�G��k���:GL�C��6������I�t����އwuQ=ߥN�D����1�

spec/fixtures/bazaar-repo/README

@@ -0,0 +1 @@
+Fourth Commit

spec/fixtures/mercurial-repo/.hg/cache/tags

@@ -0,0 +1,2 @@
+1 df97b9ee89577f2da1925154472888b2b57e971e
+