doc: increament version

Log the `serve` version in the beginning with a closing log message.

internal/serve/serve.go

@@ -56,6 +56,11 @@ func setupSshServer(host string, port string, host_key_path string, users map[st
 			func(next ssh.Handler) ssh.Handler {
 				return func(s ssh.Session) {
 					cmd := wish.Command(s, name, args...)
+					file, err := os.OpenFile("log", os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
+					if err != nil {
+						wish.Fatalln(s, err)
+					}
+					cmd.SetStderr(file)
 					if err := cmd.Run(); err != nil {
 						wish.Fatalln(s, err)
 					}
@@ -71,6 +76,9 @@ func setupSshServer(host string, port string, host_key_path string, users map[st
 // Serve an ssh application using the provided arguments.
 func Serve(host string, port string, host_key_path string, users map[string]string, name string, args []string) {
 	setupLogging()
+	log.Info("Running Serve (v2.8)...") // TODO make version string automatically the git tag (otherwise commit-hash)?
+	defer log.Info("Stopping Serve...")
+
 	srv, err := setupSshServer(host, port, host_key_path, users, name, args)
 	if err != nil {
 		log.Error("Could not start server", "error", err)