Add Changes field to RepositoryEvent (#2233)

Fixes: #2232 .

Author: gmlewis

github/event_types.go

@@ -230,12 +230,13 @@ type GollumEvent struct {
 	Installation *Installation `json:"installation,omitempty"`
 }
 
-// EditChange represents the changes when an issue, pull request, or comment has
-// been edited.
+// EditChange represents the changes when an issue, pull request, comment,
+// or repository has been edited.
 type EditChange struct {
 	Title *EditTitle `json:"title,omitempty"`
 	Body  *EditBody  `json:"body,omitempty"`
 	Base  *EditBase  `json:"base,omitempty"`
+	Repo  *EditRepo  `json:"repository,omitempty"`
 }
 
 // EditTitle represents a pull-request title change.
@@ -259,6 +260,16 @@ type EditRef struct {
 	From *string `json:"from,omitempty"`
 }
 
+// EditRepo represents a change of repository name.
+type EditRepo struct {
+	Name *RepoName `json:"name,omitempty"`
+}
+
+// RepoName represents a change of repository name.
+type RepoName struct {
+	From *string `json:"from,omitempty"`
+}
+
 // EditSHA represents a sha change of a pull-request.
 type EditSHA struct {
 	From *string `json:"from,omitempty"`
@@ -938,6 +949,7 @@ type RepositoryEvent struct {
 	Repo   *Repository `json:"repository,omitempty"`
 
 	// The following fields are only populated by Webhook events.
+	Changes      *EditChange   `json:"changes,omitempty"`
 	Org          *Organization `json:"organization,omitempty"`
 	Sender       *User         `json:"sender,omitempty"`
 	Installation *Installation `json:"installation,omitempty"`

github/event_types_test.go

@@ -82,6 +82,28 @@ func TestEditChange_Marshal_BaseChange(t *testing.T) {
 	testJSONMarshal(t, u, want)
 }
 
+func TestEditChange_Marshal_Repo(t *testing.T) {
+	testJSONMarshal(t, &EditChange{}, "{}")
+
+	u := &EditChange{
+		Repo: &EditRepo{
+			Name: &RepoName{
+				From: String("old-repo-name"),
+			},
+		},
+	}
+
+	want := `{
+		"repository": {
+			"name": {
+				"from": "old-repo-name"
+			}
+		}
+	}`
+
+	testJSONMarshal(t, u, want)
+}
+
 func TestProjectChange_Marshal_NameChange(t *testing.T) {
 	testJSONMarshal(t, &ProjectChange{}, "{}")