add sticker patch

matrix/mautrix-discord/default.nix

@@ -9,6 +9,7 @@ in {
     pname = "mautrix-discord";
     version = inputs.mautrix-discord.lastModifiedDate;
     src = pkgs.callPackage ./source.nix {};
+    patches = [ ./sticker.patch ];
     proxyVendor = true;
     modules = ./gomod2nix.toml;
     CGO_ENABLED = "1";

matrix/mautrix-discord/sticker.patch

@@ -0,0 +1,22 @@
+diff --git a/portal.go b/portal.go
+index d93ad17..e5cd370 100644
+--- a/portal.go
++++ b/portal.go
+@@ -874,7 +874,7 @@ func (portal *Portal) sendMatrixMessage(intent *appservice.IntentAPI, eventType
+ 
+ func (portal *Portal) handleMatrixMessages(msg portalMatrixMessage) {
+ 	switch msg.evt.Type {
+-	case event.EventMessage:
++	case event.EventMessage, event.EventSticker:
+ 		portal.handleMatrixMessage(msg.user, msg.evt)
+ 	case event.EventRedaction:
+ 		portal.handleMatrixRedaction(msg.user, msg.evt)
+@@ -1138,7 +1138,7 @@ func (portal *Portal) handleMatrixMessage(sender *User, evt *event.Event) {
+ 			}
+ 		}
+ 		sendReq.Content = portal.parseMatrixHTML(sender, content)
+-	case event.MsgAudio, event.MsgFile, event.MsgImage, event.MsgVideo:
++	case event.MsgAudio, event.MsgFile, event.MsgImage, event.MsgVideo, "": // MsgType is empty when the message is a sticker
+ 		data, err := portal.downloadMatrixAttachment(content)
+ 		if err != nil {
+ 			go portal.sendMessageMetrics(evt, err, "Error downloading media in")