Fix the update labels method

labels.go

@@ -108,12 +108,12 @@ func (s *LabelsService) ListLabels(pid interface{}, opt *ListLabelsOptions, opti
 // GetLabel get a single label for a given project.
 //
 // GitLab API docs: https://docs.gitlab.com/ee/api/labels.html#get-a-single-project-label
-func (s *LabelsService) GetLabel(pid interface{}, labelID interface{}, options ...RequestOptionFunc) (*Label, *Response, error) {
+func (s *LabelsService) GetLabel(pid interface{}, lid interface{}, options ...RequestOptionFunc) (*Label, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
 		return nil, nil, err
 	}
-	label, err := parseID(labelID)
+	label, err := parseID(lid)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -183,15 +183,11 @@ func (s *LabelsService) DeleteLabel(pid interface{}, lid interface{}, opt *Delet
 	if err != nil {
 		return nil, err
 	}
-	u := fmt.Sprintf("projects/%s/labels", PathEscape(project))
-
-	if lid != nil {
-		label, err := parseID(lid)
-		if err != nil {
-			return nil, err
-		}
-		u = fmt.Sprintf("projects/%s/labels/%s", PathEscape(project), PathEscape(label))
+	label, err := parseID(lid)
+	if err != nil {
+		return nil, err
 	}
+	u := fmt.Sprintf("projects/%s/labels/%s", PathEscape(project), PathEscape(label))
 
 	req, err := s.client.NewRequest(http.MethodDelete, u, opt, options)
 	if err != nil {
@@ -205,7 +201,6 @@ func (s *LabelsService) DeleteLabel(pid interface{}, lid interface{}, opt *Delet
 //
 // GitLab API docs: https://docs.gitlab.com/ee/api/labels.html#edit-an-existing-label
 type UpdateLabelOptions struct {
-	Name        *string `url:"name,omitempty" json:"name,omitempty"`
 	NewName     *string `url:"new_name,omitempty" json:"new_name,omitempty"`
 	Color       *string `url:"color,omitempty" json:"color,omitempty"`
 	Description *string `url:"description,omitempty" json:"description,omitempty"`
@@ -216,12 +211,16 @@ type UpdateLabelOptions struct {
 // one parameter is required, to update the label.
 //
 // GitLab API docs: https://docs.gitlab.com/ee/api/labels.html#edit-an-existing-label
-func (s *LabelsService) UpdateLabel(pid interface{}, opt *UpdateLabelOptions, options ...RequestOptionFunc) (*Label, *Response, error) {
+func (s *LabelsService) UpdateLabel(pid interface{}, lid interface{}, opt *UpdateLabelOptions, options ...RequestOptionFunc) (*Label, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
 		return nil, nil, err
 	}
-	u := fmt.Sprintf("projects/%s/labels", PathEscape(project))
+	label, err := parseID(lid)
+	if err != nil {
+		return nil, nil, err
+	}
+	u := fmt.Sprintf("projects/%s/labels/%s", PathEscape(project), PathEscape(label))
 
 	req, err := s.client.NewRequest(http.MethodPut, u, opt, options)
 	if err != nil {
@@ -243,12 +242,12 @@ func (s *LabelsService) UpdateLabel(pid interface{}, opt *UpdateLabelOptions, op
 //
 // GitLab API docs:
 // https://docs.gitlab.com/ee/api/labels.html#subscribe-to-a-label
-func (s *LabelsService) SubscribeToLabel(pid interface{}, labelID interface{}, options ...RequestOptionFunc) (*Label, *Response, error) {
+func (s *LabelsService) SubscribeToLabel(pid interface{}, lid interface{}, options ...RequestOptionFunc) (*Label, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
 		return nil, nil, err
 	}
-	label, err := parseID(labelID)
+	label, err := parseID(lid)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -274,12 +273,12 @@ func (s *LabelsService) SubscribeToLabel(pid interface{}, labelID interface{}, o
 //
 // GitLab API docs:
 // https://docs.gitlab.com/ee/api/labels.html#unsubscribe-from-a-label
-func (s *LabelsService) UnsubscribeFromLabel(pid interface{}, labelID interface{}, options ...RequestOptionFunc) (*Response, error) {
+func (s *LabelsService) UnsubscribeFromLabel(pid interface{}, lid interface{}, options ...RequestOptionFunc) (*Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
 		return nil, err
 	}
-	label, err := parseID(labelID)
+	label, err := parseID(lid)
 	if err != nil {
 		return nil, err
 	}
@@ -297,12 +296,12 @@ func (s *LabelsService) UnsubscribeFromLabel(pid interface{}, labelID interface{
 //
 // GitLab API docs:
 // https://docs.gitlab.com/ee/api/labels.html#promote-a-project-label-to-a-group-label
-func (s *LabelsService) PromoteLabel(pid interface{}, labelID interface{}, options ...RequestOptionFunc) (*Response, error) {
+func (s *LabelsService) PromoteLabel(pid interface{}, lid interface{}, options ...RequestOptionFunc) (*Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
 		return nil, err
 	}
-	label, err := parseID(labelID)
+	label, err := parseID(lid)
 	if err != nil {
 		return nil, err
 	}