Added init command

lib/dandelion/cli.rb

@@ -4,7 +4,7 @@ module Dandelion
   class CLI
     def initialize(args)
       @args = args
-      
+
       @options = {}
       @options[:help] = true if @args.length == 0
 
@@ -48,6 +48,10 @@ def command_class
     def execute!
       parse!(@parser)
 
+      if @args.length == 0
+        @options[:help] = true
+      end
+
       if @options[:help]
         display_help
         exit
@@ -127,4 +131,4 @@ def log
       Dandelion.logger
     end
   end
-end
+end

lib/dandelion/command.rb

@@ -83,4 +83,5 @@ def log
 end
 
 require 'dandelion/command/deploy'
-require 'dandelion/command/status'
+require 'dandelion/command/init'
+require 'dandelion/command/status'

lib/dandelion/command/init.rb

@@ -0,0 +1,28 @@
+module Dandelion
+  module Command
+    class Init < Command::Base
+      command :init
+
+      def self.parser(options)
+        OptionParser.new do |opts|
+          opts.banner = 'Usage: dandelion init <revision>'
+        end
+      end
+
+      def setup(args)
+        @revision = args.shift
+      end
+
+      def execute!
+        raise RevisionError.new('must specify revision') if @revision.nil?
+        log.info("Connecting to #{adapter.to_s}")
+
+        workspace.remote_commit = workspace.lookup(@revision)
+        remote_commit = workspace.remote_commit
+
+        log.info("Remote revision:      #{remote_commit ? remote_commit.oid : '---'}")
+        log.info("Local HEAD revision:  #{workspace.local_commit.oid}")
+      end
+    end
+  end
+end

lib/dandelion/workspace.rb

@@ -38,8 +38,6 @@ def remote_commit=(commit)
       self.remote_sha = commit.oid
     end
 
-  private
-
     def lookup(val)
       result = lookup_sha(val) ||
         lookup_ref(val) ||
@@ -52,6 +50,8 @@ def lookup(val)
       result
     end
 
+  private
+
     def lookup_sha(val)
       @repo.lookup(val)
     rescue Rugged::OdbError, Rugged::InvalidError

spec/dandelion/command/init_spec.rb

@@ -0,0 +1,18 @@
+require 'spec_helper'
+
+describe Dandelion::Command::Init do
+  let(:revision) { 'e289ff1e2729839759dbd6fe99b6e35880910c7c' }
+
+  describe '#execute!' do
+    let(:adapter) { Dandelion::Adapter::NoOpAdapter.new({}) }
+    let(:workspace) { Dandelion::Workspace.new(test_repo, adapter) }
+    let(:command) { described_class.new(workspace, {}, {}) }
+
+    before { command.setup([revision]) }
+
+    it 'sets remote revision to specified revision' do
+      workspace.should_receive(:remote_commit=).with(workspace.lookup(revision))
+      command.execute!
+    end
+  end
+end