Fix spectate screen not loading issue

config.gcfg

@@ -1,7 +1,7 @@
 [nethacklauncher]
   loglevel            = "debug"
   serverdisplay       = "unixvoid.com underground nethack server"
-  nethackversion      = "3.7.0-nightly"
+  nethackversion      = "3.6.3"
   hackdir             = "/hack"
   nhdatlocation       = "/NetHack/dat/nhdat"
   recoverbinary       = "/NetHack/util/recover"

deps/Dockerfile

@@ -5,7 +5,6 @@ RUN apt-get update && \
   DEBIAN_FRONTEND=noninteractive apt-get install -y \
     redis-server \
     openssh-server \
-    curl \
     autoconf \
     bison \
     bsdmainutils \
@@ -32,13 +31,13 @@ RUN apt-get clean
 #
 RUN git clone https://github.com/NetHack/NetHack.git 
 RUN cd NetHack && \
+    git checkout NetHack-3.6 && \
     sed -i 's/#ifndef SYSCF/#ifdef SYSCF/g' include/config.h && \
     sys/unix/setup.sh sys/unix/hints/linux && \
     sed -i '/POSTINSTALL=/d' Makefile && \
     sed -i 's/.*-DSYSCF -DSYSCF_FILE=.*/CFLAGS+=-DSECURE/' Makefile && \
     sed -i 's/#CFLAGS+=-DSCORE_ON_BOTL/CFLAGS+=-DSCORE_ON_BOTL/' Makefile && \
     cat Makefile && \
-    make fetch-Lua && \
     make all && \
     make install
 RUN find /* -name nethack

nethack-launcher/print_progress_screen.go

@@ -75,11 +75,12 @@ func printProgressScreen(redisClient *redis.Client, username string) {
 			// set ttyrec path
 			ttyName, _ := redisClient.Get(fmt.Sprintf("inprogress:%s", user[0])).Result()
 			ttyrecPath := fmt.Sprintf("%s/user/%s/ttyrec/%s.ttyrec", config.NethackLauncher.HackDir, user[0], ttyName)
+			fullCommand := fmt.Sprintf("ttyplay -n %s && ttyplay -p %s", ttyrecPath, ttyrecPath)
 
 			// restart display
 			exec.Command("stty", "-F", "/dev/tty", "echo", "-cbreak").Run()
 			clearScreen()
-			nh := exec.Command("ttyplay", "-p", ttyrecPath)
+			nh := exec.Command("bash", "-c", fullCommand)
 			nh.Stdout = os.Stdout
 			nh.Stdin = os.Stdin
 			nh.Stderr = os.Stderr