feat: Support Changes and Enterprise fields on ReleaseEvent

github/event_types.go

@@ -1468,24 +1468,48 @@ type RegistryPackageEvent struct {
 }
 
 // ReleaseEvent is triggered when a release is published, unpublished, created,
-// edited, deleted, or prereleased.
+// edited, deleted, prereleased, or released.
 // The Webhook event name is "release".
 //
 // GitHub API docs: https://docs.github.com/developers/webhooks-and-events/webhook-events-and-payloads#release
 type ReleaseEvent struct {
 	// Action is the action that was performed. Possible values are: "published", "unpublished",
-	// "created", "edited", "deleted", or "prereleased".
+	// "created", "edited", "deleted", "prereleased", or "released".
 	Action  *string            `json:"action,omitempty"`
 	Release *RepositoryRelease `json:"release,omitempty"`
 
 	// The following fields are only populated by Webhook events.
-	Repo         *Repository   `json:"repository,omitempty"`
-	Sender       *User         `json:"sender,omitempty"`
-	Installation *Installation `json:"installation,omitempty"`
+	// Changes is populated in "edited" event deliveries.
+	Changes      *ReleaseChanges `json:"changes,omitempty"`
+	Repo         *Repository     `json:"repository,omitempty"`
+	Sender       *User           `json:"sender,omitempty"`
+	Installation *Installation   `json:"installation,omitempty"`
 
 	// The following field is only present when the webhook is triggered on
 	// a repository belonging to an organization.
 	Org *Organization `json:"organization,omitempty"`
+
+	// The following field is only present when the webhook is triggered on
+	// a repository belonging to an enterprise.
+	Enterprise *Enterprise `json:"enterprise,omitempty"`
+}
+
+// ReleaseChanges represents changes made to a release.
+type ReleaseChanges struct {
+	Body       *ReleaseChangeFrom   `json:"body,omitempty"`
+	Name       *ReleaseChangeFrom   `json:"name,omitempty"`
+	TagName    *ReleaseChangeFrom   `json:"tag_name,omitempty"`
+	MakeLatest *ReleaseChangeToBool `json:"make_latest,omitempty"`
+}
+
+// ReleaseChangeFrom represents a release string field change containing the previous value.
+type ReleaseChangeFrom struct {
+	From string `json:"from"`
+}
+
+// ReleaseChangeToBool represents a boolean release field change containing the new value.
+type ReleaseChangeToBool struct {
+	To bool `json:"to"`
 }
 
 // RepositoryEvent is triggered when a repository is created, archived, unarchived,

github/messages_test.go

@@ -664,3 +664,68 @@ func TestWebHookType(t *testing.T) {
 		t.Errorf("WebHookType = %q, want %q", got, want)
 	}
 }
+
+func TestParseWebHook_ReleaseEvent_Edited(t *testing.T) {
+	t.Parallel()
+	rawJSON := []byte(`{
+		"action": "edited",
+		"changes": {
+			"body": {
+				"from": "Old body"
+			},
+			"name": {
+				"from": "Old name"
+			},
+			"tag_name": {
+				"from": "v1.0.0-rc1"
+			},
+			"make_latest": {
+				"to": true
+			}
+		},
+		"release": {
+			"id": 12345,
+			"tag_name": "v1.0.0",
+			"name": "Release 1.0.0",
+			"body": "New body"
+		},
+		"enterprise": {
+			"id": 1,
+			"slug": "octocat-enterprise"
+		}
+	}`)
+
+	got, err := ParseWebHook("release", rawJSON)
+	if err != nil {
+		t.Fatalf("ParseWebHook failed: %v", err)
+	}
+
+	event, ok := got.(*ReleaseEvent)
+	if !ok {
+		t.Fatalf("ParseWebHook returned %v, want *ReleaseEvent", got)
+	}
+
+	want := &ReleaseEvent{
+		Action: new("edited"),
+		Changes: &ReleaseChanges{
+			Body:       &ReleaseChangeFrom{From: "Old body"},
+			Name:       &ReleaseChangeFrom{From: "Old name"},
+			TagName:    &ReleaseChangeFrom{From: "v1.0.0-rc1"},
+			MakeLatest: &ReleaseChangeToBool{To: true},
+		},
+		Release: &RepositoryRelease{
+			ID:      12345,
+			TagName: "v1.0.0",
+			Name:    new("Release 1.0.0"),
+			Body:    new("New body"),
+		},
+		Enterprise: &Enterprise{
+			ID:   new(1),
+			Slug: new("octocat-enterprise"),
+		},
+	}
+
+	if !cmp.Equal(event, want) {
+		t.Errorf("ParseWebHook() diff (-got +want):\n%v", cmp.Diff(event, want))
+	}
+}