Make the cucumber test suite work against gh

gh should be compiled and named `./hub` in the project root

features/steps.rb

@@ -107,6 +107,7 @@ Given(/^the GitHub API server:$/) do |endpoints_str|
   end
   # hit our Sinatra server instead of github.com
   set_env 'HUB_TEST_HOST', "127.0.0.1:#{@server.port}"
+  set_env 'GH_API_HOST', "http://127.0.0.1:#{@server.port}"
 end
 
 Given(/^I use a debugging proxy(?: at "(.+?)")?$/) do |address|

features/support/env.rb

 require 'aruba/cucumber'
 require 'fileutils'
 require 'forwardable'
+require 'json'
 
 system_git = `which git 2>/dev/null`.chomp
 lib_dir = File.expand_path('../../../lib', __FILE__)
@@ -14,7 +15,7 @@ Before do
   # speed up load time by skipping RubyGems
   set_env 'RUBYOPT', '--disable-gems' if RUBY_VERSION > '1.9'
   # put fakebin on the PATH
-  set_env 'PATH', "#{bin_dir}:#{ENV['PATH']}"
+  set_env 'PATH', "#{File.dirname(lib_dir)}:#{bin_dir}:#{ENV['PATH']}"
   # clear out GIT if it happens to be set
   set_env 'GIT', nil
   # exclude this project's git directory from use in testing
@@ -27,6 +28,7 @@ Before do
   set_env 'HUB_SYSTEM_GIT', system_git
   # ensure that api.github.com is actually never hit in tests
   set_env 'HUB_TEST_HOST', '127.0.0.1:0'
+  set_env 'GH_API_HOST', 'http://127.0.0.1:0'
   # ensure we use fakebin `open` to test browsing
   set_env 'BROWSER', 'open'
   # sabotage opening a commit message editor interactively
@@ -39,6 +41,8 @@ Before do
   set_env 'GIT_AUTHOR_EMAIL',    author_email
   set_env 'GIT_COMMITTER_EMAIL', author_email
 
+  set_env 'GH_VERSION', 'dev'
+
   FileUtils.mkdir_p ENV['HOME']
 
   # increase process exit timeout from the default of 3 seconds
@@ -122,6 +126,27 @@ World Module.new {
     File.open(config, 'w') { |cfg| cfg << YAML.dump(data) }
   end
 
+  undef edit_hub_config
+  def edit_hub_config
+    config = File.join(ENV['HOME'], '.config/gh')
+    FileUtils.mkdir_p File.dirname(config)
+
+    hub_config = {}
+    yield hub_config
+
+    data = {:credentials => []}
+    hub_config.each do |host, entries|
+      token = entries[0].fetch('oauth_token', false)
+      data[:credentials] << {
+        :host => host,
+        :user => entries[0].fetch('user'),
+      }
+      data[:credentials].last[:access_token] = token if token
+    end
+
+    File.open(config, 'w') { |cfg| cfg << JSON.generate(data) }
+  end
+
   define_method(:text_editor_script) do |bash_code|
     File.open("#{bin_dir}/vim", 'w', 0755) { |exe|
       exe.puts "#!/bin/bash"