Some output from the Linux VM!!

scenes/game.gd

@@ -1,6 +1,6 @@
 extends Node
 
-var tmp_prefix = OS.get_user_data_dir() + "/tmp/"
+var tmp_prefix = get_tmp_prefix()
 var global_shell
 var fake_editor
 
@@ -17,6 +17,12 @@ var state = {}
 
 var mutex
 
+func get_tmp_prefix():
+	if OS.get_name() == "Web":
+		return "/tmp/"
+	else:
+		OS.get_user_data_dir() + "/tmp/"
+
 func _ready():
 	mutex = Mutex.new()
 	load_state()

scenes/helpers.gd

@@ -96,6 +96,8 @@ func careful_delete(path_inside):
 		# Windows treats paths case-insensitively:
 		expected_prefix = expected_prefix.to_lower()
 		path_inside = path_inside.to_lower()
+	elif os == "Web":
+		expected_prefix = "/tmp"
 	
 	if path_inside.substr(0,expected_prefix.length()) != expected_prefix:
 		helpers.crash("Refusing to delete directory %s that does not start with %s" % [path_inside, expected_prefix])

scenes/shell.gd

@@ -12,7 +12,7 @@ func _init():
 	# Create required directories and move into the tmp directory.
 	_cwd = "/tmp"
 	run("mkdir -p '%s/repos'" % game.tmp_prefix)
-	_cwd = game.tmp_prefixls
+	_cwd = game.tmp_prefix
 	
 func cd(dir):
 	_cwd = dir
@@ -39,6 +39,13 @@ func run_async(command, crash_on_fail=true):
 	
 	return shell_command
 
+func run_async_web(command, crash_on_fail=true):
+	var shell_command = ShellCommand.new()
+	shell_command.command = command
+	shell_command.crash_on_fail = crash_on_fail
+	run_async_thread(shell_command)
+	return shell_command
+
 func run_async_thread(shell_command):
 	var debug = false
 	
@@ -86,22 +93,20 @@ func run_async_thread(shell_command):
 		helpers.write_file(script_path, hacky_command)
 		result = helpers.exec(_shell_binary(), [script_path], crash_on_fail)
 	elif _os == "Web":
-		hacky_command = hacky_command.replace("\\", "\\\\").replace("'", "\\'").replace("\n", "\\n")
+		#hacky_command = hacky_command.replace("\\", "\\\\").replace("'", "\\'").replace("\n", "\\n")
 		#var js_code = "await run_in_vm('" + hacky_command + "')"
 		#print(js_code)
 		#var output = JavaScriptBridge.eval(js_code, true)
 		
-		var output = JavaScriptBridge.eval("testy()")
+		#var output = JavaScriptBridge.eval("testy()")
 		
 		#print(hacky_command)
-		#var output = web_shell.run_in_vm(hacky_command)
+		shell_command.js_callback = JavaScriptBridge.create_callback(Callable(shell_command, "callback"))
-		
+		web_shell.run_in_vm(hacky_command).then(shell_command.js_callback)
-		result = {}
-		result["output"] = output
-		result["exit_code"] = 0
 	else:
 		helpers.crash("Unimplemented OS: %s" % _os)
 	
+	if _os != "Web":
 		if debug:
 			print(result["output"])
 		
@@ -117,25 +122,8 @@ func _shell_binary():
 	else:
 		helpers.crash("Unsupported OS: %s" % _os)
 
-#var _t	
+func callback(args):
-#func run_async(command):
+	print(args)
-#	_t = Thread.new()
-#	_t.start(self, "run_async_thread", command)
-#
-#func run_async_thread(command):
-#	var port = 1000 + (randi() % 1000)
-#	var s = TCP_Server.new()
-#	s.listen(port)
-#	var _pid = OS.execute("ncat", ["127.0.0.1", str(port), "-c", command], false, [], true)
-#	while not s.is_connection_available():
-#		pass
-#	var c = s.take_connection()
-#	while c.get_status() == StreamPeerTCP.STATUS_CONNECTED:
-#		read_from(c)
-#		OS.delay_msec(1000/30)
-#	read_from(c)
-#	c.disconnect_from_host()
-#	s.stop()
 
 func read_from(c):
 	var total_available = c.get_available_bytes()

scenes/shell_command.gd

@@ -8,7 +8,15 @@ var output
 var exit_code
 var crash_on_fail = true
 var thread
+var js_callback # For JavaScriptBridge
 
 func _unused():
 	# This is just to suppress a warning about the signal never being emitted.
 	emit_signal("done")
+
+func callback(_output):
+	#print(_output)
+	print(_output[0])
+	output = _output[0]
+	exit_code = 0
+	emit_signal("done")

scenes/terminal.gd

@@ -90,16 +90,16 @@ func send_command(command):
 
 	shell.cd(repository.path)
 	
-	#var cmd = shell.run_async(command, false)
+	var cmd = shell.run_async_web(command, false)
-	#await cmd.done
+	await cmd.done
-	#call_deferred("command_done", cmd)
+	call_deferred("command_done", cmd)
 	
-	var output = shell.run(command, false)
+#	var output = shell.run(command, false)
-	var shell_command = ShellCommand.new()
+#	var shell_command = ShellCommand.new()
-	shell_command.exit_code = 0
+#	shell_command.exit_code = 0
-	shell_command.output = output
+#	shell_command.output = output
-	shell_command.command = command
+#	shell_command.command = command
-	command_done(shell_command)
+#	command_done(shell_command)
 
 func command_done(cmd):
 	if cmd.exit_code == 0:

web/web-shell/script.js

@@ -3,11 +3,11 @@ var emulator;
 // Whether or not to restore the VM state from a file. Set to false to perform a regular boot.
 let restoreState = true;
 
-async function testy() {
+function testy(cmd) {
-  return await new Promise((resolve, reject) => {
+  return new Promise((resolve, reject) => {
     setTimeout(() => {
-      resolve("testy");
+      resolve("testy!!" + cmd);
-    }, 1000);
+    }, 100);
   });
 }
 window.testy = testy;
@@ -40,7 +40,7 @@ function run_in_vm(cmd) {
   });
 }
 window.run_in_vm = run_in_vm;
-window.web_shell = { run_in_vm: run_in_vm };
+window.web_shell = { run_in_vm, testy };
 
 /*