get git annex to work when using custom SSH port

lib/gitlab_shell.rb

@@ -101,9 +101,8 @@ class GitlabShell
 
       parsed_args =
         args.map do |arg|
-          # Convert /~/group/project.git to group/project.git
-          # to make git annex path compatible with gitlab-shell
-          if arg =~ /\A\/~\/.*\.git\Z/
+          # use full repo path
+          if arg =~ /\A\/.*\.git\Z/
             repo_full_path
           else
             arg

spec/gitlab_shell_spec.rb

@@ -104,6 +104,14 @@ describe GitlabShell do
           File.exists?(File.join(tmp_repos_path, 'dzaporozhets/gitlab.git/annex')).should be_false
         end
       end
+
+      context 'git annex SSH custom port issue' do
+        let(:ssh_args) { %W(git-annex-shell inannex /dzaporozhets/gitlab.git SHA256E) }
+
+        it 'should init git-annex' do
+          File.exists?(File.join(tmp_repos_path, 'dzaporozhets/gitlab.git/annex')).should be_true
+        end
+      end
     end
   end
 
@@ -171,7 +179,7 @@ describe GitlabShell do
       end
     end
 
-    context 'no command' do      
+    context 'no command' do
       after { subject.exec(nil) }
 
       it "should call api.discover" do