adding method to create or update github custom property value for re…

…positories

github/repos_properties.go

@@ -31,3 +31,25 @@ func (s *RepositoriesService) GetAllCustomPropertyValues(ctx context.Context, or
 
 	return customPropertyValues, resp, nil
 }
+
+// CreateOrUpdateRepoCustomPropertyValues creates or updates custom property values for a repository.
+//
+// GitHub API docs: https://docs.github.com/en/rest/repos/custom-properties?apiVersion=2022-11-28#create-or-update-custom-property-values-for-a-repository
+//
+//meta:operation PATCH /repos/{owner}/{repo}/properties/values
+func (s *RepositoriesService) CreateOrUpdateRepoCustomPropertyValues(ctx context.Context, org, repo string, properties []*CustomPropertyValue) (*Response, error) {
+	u := fmt.Sprintf("repos/%v/%v/properties/values", org, repo)
+
+	params := struct {
+		Properties []*CustomPropertyValue `json:"properties"`
+	}{
+		Properties: properties,
+	}
+
+	req, err := s.client.NewRequest("PATCH", u, params)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(ctx, req, nil)
+}

github/repos_properties_test.go

@@ -63,3 +63,30 @@ func TestRepositoriesService_GetAllCustomPropertyValues(t *testing.T) {
 		return resp, err
 	})
 }
+
+func TestCreateOrUpdateRepoCustomPropertyValues(t *testing.T) {
+	client, mux, _, teardown := setup()
+	defer teardown()
+
+	mux.HandleFunc("/repos/o/r/properties/values", func(w http.ResponseWriter, r *http.Request) {
+		testMethod(t, r, "PATCH")
+		testBody(t, r, `'{"properties":[{"property_name":"environment","value":"production"},{"property_name":"service","value":"web"},{"property_name":"team","value":"octocat"}]}'`+"\n")
+	})
+
+	ctx := context.Background()
+	_, err := client.Repositories.CreateOrUpdateRepoCustomPropertyValues(ctx, "o", "repo", []*CustomPropertyValue{
+		{
+			PropertyName: "service",
+			Value:        String("string"),
+		},
+	})
+	if err != nil {
+		t.Errorf("Repositories.CreateOrUpdateRepoCustomPropertyValues returned error: %v", err)
+	}
+
+	const methodName = "CreateOrUpdateRepoCustomPropertyValues"
+
+	testNewRequestAndDoFailure(t, methodName, client, func() (*Response, error) {
+		return client.Repositories.CreateOrUpdateRepoCustomPropertyValues(ctx, "o", "", nil)
+	})
+}