set proper clientversion, better version/tag extraction

--HG--
branch : nmdc-ircfrontend

server.go

@@ -57,7 +57,8 @@ type Server struct {
 
 func NewServer(name string, upstream libnmdc.HubAddress, conn net.Conn) *Server {
 	self := libnmdc.NewUserInfo("")
-	self.ClientTag = APP_DESCRIPTION
+	self.ClientTag = APP_NAME
+	self.ClientVersion = APP_VERSION
 
 	return &Server{
 		name:        name,
@@ -280,10 +281,10 @@ func (s *Server) handleCommand(command string, args []string) {
 		// do nothing
 
 	case "INFO":
-		s.reply(rplInfo, APP_DESCRIPTION)
+		s.reply(rplInfo, APP_NAME+" v"+APP_VERSION)
 
 	case "VERSION":
-		s.reply(rplVersion, VERSION)
+		s.reply(rplVersion, APP_VERSION)
 
 	case "MOTD":
 		s.sendMOTD(s.motd)
@@ -430,18 +431,28 @@ func (s *Server) SetClientSoftwareVersion(ver string) {
 	// "liteIRC for Android 1.1.8"
 	// ":Relay:1.0:Android"
 
-	// A bit long and unwieldy. Heuristic: stop after the first word containing digits
+	// A bit long and unwieldy.
+	// Heuristic: keep the first word, and the the first word containing digits
 
-	parts := regexp.MustCompilePOSIX("^([^0-9]*[0-9]+[^ ]*) ").FindStringSubmatch(ver)
+	tag := APP_NAME
+	version := APP_VERSION
 
-	if len(parts) > 0 {
-		ver = strings.TrimRight(parts[0], " ")
+	words := strings.Split(ver, " ")
+
+	for _, word := range words[1:] {
+		if strings.ContainsAny(word, "0123456789") {
+			tag = words[0]
+			version = strings.Replace(word, "(", "", -1) // AndroIRC
+			break
+		}
 	}
 
-	s.verbosef("Replacing client tag with '%s'...", ver)
+	s.verbosef("Replacing client tag with '%s' version '%s'", tag, version)
 
-	s.upstreamLauncher.Self.ClientTag = ver
-	s.upstream.Hco.Self.ClientTag = ver
+	s.upstreamLauncher.Self.ClientTag = tag
+	s.upstreamLauncher.Self.ClientVersion = version
+	s.upstream.Hco.Self.ClientTag = tag
+	s.upstream.Hco.Self.ClientVersion = version
 
 	s.upstream.SayInfo()
 }

typedefs.go

@@ -19,8 +19,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 const (
-	VERSION              = "1.0.0"
-	APP_DESCRIPTION      = "nmdc-ircfrontend v" + VERSION
+	APP_VERSION          = "1.0.0"
+	APP_NAME             = "nmdc-ircfrontend"
 	BLESSED_CHANNEL      = "#chat" // must be lowercase
 	BLESSED_CHANNEL_MODE = "n"     // means that you have to be in the channel to chat, but that's it