Dont import repo if exists

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

lib/gitlab_projects.rb

@@ -92,6 +92,9 @@ class GitlabProjects
   # Import project via git clone --bare
   # URL must be publicly cloneable
   def import_project
+    # Skip import if repo already exists
+    return false if File.exists?(full_path)
+
     @source = ARGV.shift
 
     # timeout for clone

spec/gitlab_projects_spec.rb

@@ -213,6 +213,15 @@ describe GitlabProjects do
       end
     end
 
+    context 'already exists' do
+      let(:gl_projects) { build_gitlab_projects('import-project', repo_name, 'https://github.com/randx/six.git') }
+
+      it 'should import only once' do
+        gl_projects.exec.should be_true
+        gl_projects.exec.should be_false
+      end
+    end
+
     context 'timeout' do
       let(:gl_projects) { build_gitlab_projects('import-project', repo_name, 'https://github.com/gitlabhq/gitlabhq.git', '1') }