Remove Grit, which is massive overkill for what we need.

This speeds up the ey binary by a significant amount.

Patch 2: EY::Repo specs

Change-Id: Ia20055a3faecb7b1a432e908a05ed7fc08fe2cdb
Reviewed-on: http://review.engineyard.com/36
Reviewed-by: Andy Delcambre <adelcambre@engineyard.com>
Tested-by: Andy Delcambre <adelcambre@engineyard.com>

Gemfile

@@ -12,7 +12,6 @@ end
 gem 'highline'
 gem 'rest-client', :require_as => 'rest_client'
 gem 'json'
-gem 'grit'
 
 disable_system_gems
 bin_path "gbin"

lib/engineyard/cli.rb

@@ -1,3 +1,5 @@
+$:.unshift File.expand_path('../../vendor/thor/lib', __FILE__)
+require 'thor'
 require 'highline'
 
 require 'cli/command'

lib/engineyard/repo.rb

@@ -1,17 +1,21 @@
-require 'grit'
-
 module EY
   class Repo
     def initialize(path=File.expand_path('.'))
-      @repo = Grit::Repo.new(path)
+      @path = path
     end
 
     def current_branch
-      @repo.head.name
+      head = File.read(File.join(@path, ".git/HEAD")).chomp
+      if head.gsub!("ref: refs/heads/", "")
+        head
+      else
+        nil
+      end
     end
 
     def repo_url
-      @repo.config["remote.origin.url"]
+      config = `git config -f #{@path}/.git/config remote.origin.url`.strip
+      config.empty? ? nil : config
     end
-  end
-end
+  end # Repo
+end # EY

spec/engineyard/repo_spec.rb

@@ -0,0 +1,49 @@
+require 'spec_helper'
+
+describe EY::Repo do
+  before(:all) do
+    @path = "/tmp/ey-test/.git/"
+    @r = EY::Repo.new("/tmp/ey-test")
+  end
+
+  describe "current_branch method" do
+    it "returns the name of the current branch" do
+      set_head "ref: refs/heads/master"
+      @r.current_branch.should == "master"
+    end
+
+    it "returns nil if there is no current branch" do
+      set_head "20bf478ab6a91ec5771130aa4c8cfd3d150c4146"
+      @r.current_branch.should be_nil
+    end
+
+    def set_head(head)
+      File.open(@path+"HEAD", "w"){|f| f.write(head) }
+    end
+  end # current_branch
+
+  describe "repo_url method" do
+    it "returns the url of the origin remote" do
+      origin_url = "git@github.com/engineyard/engineyard.git"
+      set_repo_url origin_url
+      @r.repo_url.should == origin_url
+    end
+
+    it "returns nil if there is no origin remote" do
+      set_repo_url nil
+      @r.repo_url.should be_nil
+    end
+
+    def set_repo_url(url)
+      @config_path = @path+"config"
+      # This has to all shell out because FakeFS is enabled
+      if url
+        system("mkdir -p #{@path} && cd #{@path} && git init -q")
+        system("git config -f #{@config_path} remote.origin.url #{url}")
+      else
+        system("rm -rf #{@config_path}")
+      end
+    end
+  end # repo_url
+
+end # EY::Repo

spec/spec_helper.rb

@@ -7,7 +7,7 @@
 require 'spec'
 require 'spec/autorun'
 
-require 'support/capture_stdout'
+require 'support/helpers'
 
 Spec::Runner.configure do |config|
   config.before(:each) do

spec/support/capture_stdout.rb → spec/support/helpers.rb

@@ -24,4 +24,16 @@ def capture_stdio(&block)
     end
     return [stdout, stderr]
   end
-end
+end
+
+def ey(cmd = nil, options = {})
+  require "open3"
+  args = options.map { |k,v| " --#{k} #{v}"}.join
+  eybin = File.expand_path('../../../bin/ey', __FILE__)
+  @in, @out, @err = Open3.popen3("#{eybin} #{cmd}#{args}")
+  @err = @err.read.strip
+
+  puts @err unless @err.empty?
+
+  @out = @out.read.strip
+end