Add an error message when using shell commands with incompatible GitLab versions

Author: ikbenale

CHANGELOG

@@ -1,5 +1,6 @@
 v3.2.0
  - Allow GitLab Shell to check for allowed access based on the used Git protocol
+ - Add an error message when using shell commands with incompatible GitLab versions
 
 v3.1.0
  - Refactor repository paths handling to allow multiple git mount points

lib/gitlab_shell.rb

@@ -182,6 +182,7 @@ def gcryptsetup?(args)
  private
 
  def repo_path=(repo_path)
+ raise ArgumentError, "Repository path not provided. Please make sure you're using GitLab v8.10 or later." unless repo_path
  raise InvalidRepositoryPathError if File.absolute_path(repo_path) != repo_path
 
  @repo_path = repo_path