From d10017e1b35c62e6858dc43d5ae8004c4e1a2dec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Arne=20J=C3=B8rgensen?= <arne@arnested.dk>
Date: Wed, 17 Jul 2019 09:58:12 +0200
Subject: [PATCH] Respond to ping event

---
 webhook/function.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/webhook/function.go b/webhook/function.go
index 8e6f426..e04307d 100644
--- a/webhook/function.go
+++ b/webhook/function.go
@@ -38,7 +38,7 @@ func Handle(w http.ResponseWriter, r *http.Request) {
 	}
 
 	hook, _ := github.New(github.Options.Secret(githubSecret))
-	payload, err := hook.Parse(r, github.PullRequestEvent)
+	payload, err := hook.Parse(r, github.PullRequestEvent, github.PingEvent)
 
 	if err == github.ErrMissingHubSignatureHeader {
 		http.Error(w, fmt.Sprintf("%s: %s", http.StatusText(http.StatusUnauthorized), err), http.StatusUnauthorized)
@@ -52,6 +52,12 @@ func Handle(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if _, ok := payload.(github.PingPayload); ok {
+		http.Error(w, "Pong", http.StatusOK)
+
+		return
+	}
+
 	pullRequest, ok := payload.(github.PullRequestPayload)
 
 	if !ok {