[supervisor] append history continuously

Author: svenefftinge

components/supervisor/pkg/supervisor/supervisor.go

@@ -414,7 +414,7 @@ func runTask(ctx context.Context, termMuxSrv *terminal.MuxTerminalService, task
 	if !ok {
 		log.Errorf("cannot obtain terminal for '%q'.", taskName)
 	} else {
-		term.PTY.Write([]byte(task + "; exit"))
+		term.PTY.Write([]byte(task + "; exit\n"))
 	}
 	stdout := term.Stdout.ListenWithOptions(terminal.TermListenOptions{
 		// ensure logging of entire task output

components/supervisor/pkg/terminal/service.go

@@ -100,7 +100,7 @@ func (srv *MuxTerminalService) OpenWithOptions(ctx context.Context, req *api.Ope
 	if cmd.Dir == "" {
 		cmd.Dir = srv.DefaultWorkdir
 	}
-	cmd.Env = append(srv.Env, "TERM=xterm-256color")
+	cmd.Env = append(srv.Env, "TERM=xterm-256color", "PROMPT_COMMAND='history -a'")
 	for key, value := range req.Env {
 		cmd.Env = append(cmd.Env, fmt.Sprintf("%v=%v", key, value))
 	}