implement draft/whoami

gencapdefs.py

@@ -255,6 +255,12 @@ CAPDEFS = [
         url="https://github.com/ircv3/ircv3-specifications/pull/613",
         standard="draft IRCv3",
     ),
+    CapDef(
+        identifier="Whoami",
+        name="draft/whoami",
+        url="https://github.com/ircv3/ircv3-specifications/pull/603",
+        standard="proposed IRCv3",
+    ),
 ]
 
 def validate_defs():

irc/caps/defs.go

@@ -7,7 +7,7 @@ package caps
 
 const (
 	// number of recognized capabilities:
-	numCapabs = 40
+	numCapabs = 41
 	// length of the uint32 array that represents the bitset:
 	bitsetLen = 2
 )
@@ -101,6 +101,10 @@ const (
 	// https://github.com/ircv3/ircv3-specifications/pull/471
 	WebPush Capability = iota
 
+	// Whoami is the proposed IRCv3 capability named "draft/whoami":
+	// https://github.com/ircv3/ircv3-specifications/pull/603
+	Whoami Capability = iota
+
 	// EchoMessage is the IRCv3 capability named "echo-message":
 	// https://ircv3.net/specs/extensions/echo-message-3.2.html
 	EchoMessage Capability = iota
@@ -199,6 +203,7 @@ var (
 		"draft/read-marker",
 		"draft/relaymsg",
 		"draft/webpush",
+		"draft/whoami",
 		"echo-message",
 		"ergo.chat/nope",
 		"extended-join",

irc/server.go

@@ -524,6 +524,9 @@ func (server *Server) playRegistrationBurst(session *Session) {
 	if !(rb.session.capabilities.Has(caps.ExtendedISupport) && rb.session.isupportSentPrereg) {
 		server.RplISupport(c, rb)
 	}
+	if session.capabilities.Has(caps.Whoami) {
+		rb.Add(nil, d.nickMask, "SETNAME", d.realname)
+	}
 	if session.capabilities.Has(caps.Metadata) {
 		playMetadataVerbBatch(rb, d.nick, c.ListMetadata())
 	}