Return '/' as a bogus repo path to gitlab-shell

lib/api/internal.rb

@@ -59,7 +59,11 @@ module API
           status: true,
           gl_repository: gl_repository,
           gl_username: user&.username,
-          repository_path: nil,
+
+          # This repository_path is a bogus value but gitlab-shell still requires
+          # its presence. https://gitlab.com/gitlab-org/gitlab-shell/issues/135
+          repository_path: '/',
+
           gitaly: gitaly_payload(params[:action])
         }
       end

spec/requests/api/internal_spec.rb

@@ -277,7 +277,7 @@ describe API::Internal do
 
           expect(response).to have_gitlab_http_status(200)
           expect(json_response["status"]).to be_truthy
-          expect(json_response["repository_path"]).to be_nil
+          expect(json_response["repository_path"]).to eq('/')
           expect(json_response["gl_repository"]).to eq("wiki-#{project.id}")
           expect(user).not_to have_an_activity_record
         end
@@ -289,7 +289,7 @@ describe API::Internal do
 
           expect(response).to have_gitlab_http_status(200)
           expect(json_response["status"]).to be_truthy
-          expect(json_response["repository_path"]).to be_nil
+          expect(json_response["repository_path"]).to eq('/')
           expect(json_response["gl_repository"]).to eq("wiki-#{project.id}")
           expect(user).to have_an_activity_record
         end
@@ -301,7 +301,7 @@ describe API::Internal do
 
           expect(response).to have_gitlab_http_status(200)
           expect(json_response["status"]).to be_truthy
-          expect(json_response["repository_path"]).to be_nil
+          expect(json_response["repository_path"]).to eq('/')
           expect(json_response["gl_repository"]).to eq("project-#{project.id}")
           expect(json_response["gitaly"]).not_to be_nil
           expect(json_response["gitaly"]["repository"]).not_to be_nil
@@ -320,7 +320,7 @@ describe API::Internal do
 
             expect(response).to have_gitlab_http_status(200)
             expect(json_response["status"]).to be_truthy
-            expect(json_response["repository_path"]).to be_nil
+            expect(json_response["repository_path"]).to eq('/')
             expect(json_response["gl_repository"]).to eq("project-#{project.id}")
             expect(json_response["gitaly"]).not_to be_nil
             expect(json_response["gitaly"]["repository"]).not_to be_nil