Merge branch 'use-load-path' into 'master'

Use load path, set ROOT_PATH via ENV

Uses load path instead of require_relative, adds an environment variable to set gitlab-shell ROOT_PATH variable (Fixes #30)

See merge request !28

bin/check

 #!/usr/bin/env ruby
 
-require_relative '../lib/gitlab_init'
-require_relative '../lib/gitlab_net'
+$:.unshift File.expand_path('../lib', __FILE__)
+require 'gitlab_init'
+require 'gitlab_net'
 
 #
 # GitLab shell check task

bin/create-hooks

@@ -4,8 +4,9 @@
 #
 # This script is used when restoring a GitLab backup.
 
-require_relative '../lib/gitlab_init'
-require File.join(ROOT_PATH, 'lib', 'gitlab_projects')
+$:.unshift File.expand_path('../lib', __FILE__)
+require 'gitlab_init'
+require 'gitlab_projects'
 
 Dir["#{GitlabConfig.new.repos_path}/*/*.git"].each do |repo|
   begin

bin/gitlab-keys

 #!/usr/bin/env ruby
 
-require_relative '../lib/gitlab_init'
+$:.unshift File.expand_path('../lib', __FILE__)
+require 'gitlab_init'
 
 #
 # GitLab Keys shell. Add/remove keys from ~/.ssh/authorized_keys

bin/gitlab-projects

 #!/usr/bin/env ruby
 
 
-require_relative '../lib/gitlab_init'
+$:.unshift File.expand_path('../lib', __FILE__)
+require 'gitlab_init'
 
 #
 # GitLab Projects shell. Add/remove projects from /home/git/repositories

bin/install

 #!/usr/bin/env ruby
 
-require_relative '../lib/gitlab_init'
+$:.unshift File.expand_path('../lib', __FILE__)
+require 'gitlab_init'
 
 #
 # GitLab shell, invoked from ~/.ssh/authorized_keys

lib/gitlab_init.rb

-ROOT_PATH = File.expand_path(File.join(File.dirname(__FILE__), ".."))
+if ENV['SHELL_ROOT_PATH'].nil? || ENV['SHELL_ROOT_PATH'].empty?
+  ROOT_PATH = File.expand_path(File.join(File.dirname(__FILE__), ".."))
+else
+  ROOT_PATH = ENV['SHELL_ROOT_PATH']
+end
 
 require_relative 'gitlab_config'