On Windows, use the faster BetterShell

project.godot

@@ -10,6 +10,11 @@ config_version=4
 
 _global_script_classes=[ {
 "base": "Node",
+"class": "BetterShell",
+"language": "GDScript",
+"path": "res://scenes/better_shell.gd"
+}, {
+"base": "Node",
 "class": "Chapter",
 "language": "GDScript",
 "path": "res://scenes/chapter.gd"
@@ -40,6 +45,7 @@ _global_script_classes=[ {
 "path": "res://scenes/shell_command.gd"
 } ]
 _global_script_class_icons={
+"BetterShell": "",
 "Chapter": "",
 "FileBrowserItem": "",
 "Level": "",

scenes/better_shell.gd

@@ -0,0 +1,75 @@
+extends Node
+class_name BetterShell
+
+var exit_code
+
+var _cwd
+var _os = OS.get_name()
+
+func _init():
+	# Create required directories and move into the tmp directory.
+	_cwd = "/tmp"
+	run("mkdir -p '%s/repos'" % game.tmp_prefix)
+	_cwd = game.tmp_prefix
+	
+func cd(dir):
+	_cwd = dir
+
+# Run a shell command given as a string. Run this if you're interested in the
+# output of the command.
+func run(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)
+	exit_code = shell_command.exit_code
+	return shell_command.output
+
+func run_async(command, crash_on_fail=true):
+	var shell_command = ShellCommand.new()
+	shell_command.command = command
+	shell_command.crash_on_fail = crash_on_fail
+	
+	var t = Thread.new()
+	shell_command.thread = t
+	t.start(self, "run_async_thread", shell_command)
+	
+	return shell_command
+	
+func run_async_thread(shell_command):
+	var debug = false
+	
+	var command = shell_command.command
+	var crash_on_fail = shell_command.crash_on_fail
+	
+	if debug:
+		print("$ %s" % command)
+	
+	var env = {}
+	env["HOME"] = game.tmp_prefix
+	
+	var hacky_command = ""
+	for variable in env:
+		hacky_command += "export %s='%s';" % [variable, env[variable]]
+	
+	#hacky_command += "export PATH=\'"+game.tmp_prefix+":'\"$PATH\";"
+	hacky_command += "cd '%s' || exit 1;" % _cwd
+	hacky_command += command
+
+	#print(hacky_command)
+
+	var result
+	var shell_command_internal = game.shell_test(hacky_command)
+
+	shell_command.output = shell_command_internal.output
+	shell_command.exit_code = shell_command_internal.exit_code
+	shell_command.emit_signal("done")
+	
+func _shell_binary():
+	if _os == "X11" or _os == "OSX":
+		return "bash"
+	elif _os == "Windows":
+		return "dependencies\\windows\\git\\bin\\bash.exe"
+	else:
+		helpers.crash("Unsupported OS: %s" % _os)

scenes/game.gd

@@ -28,7 +28,7 @@ func _ready():
 		
 	start_remote_shell()
 	yield(get_tree().create_timer(0.1), "timeout")
-	global_shell = Shell.new()
+	global_shell = new_shell()
 	
 #	var cmd = global_shell.run("echo hi")
 #	print(cmd)
@@ -138,7 +138,6 @@ func toggle_music():
 	else:
 		music.volume_db += 100
 
-
 func shell_test(command):
 	mutex.lock()
 	#print("go")
@@ -150,3 +149,9 @@ func shell_test(command):
 	#print("stop")
 	mutex.unlock()
 	return response
+	
+func new_shell():
+	if OS.get_name() == "Windows":
+		return BetterShell.new()
+	else:
+		return Shell.new()

scenes/repository.gd

@@ -14,7 +14,7 @@ var type = "remote"
 
 var node = preload("res://scenes/node.tscn")
 
-var shell = Shell.new()
+var shell = game.new_shell()
 var objects = {}
 var mouse_inside = false
 var has_been_layouted = false

scenes/shell.gd

@@ -53,44 +53,44 @@ func run_async_thread(shell_command):
 	for variable in env:
 		hacky_command += "export %s='%s';" % [variable, env[variable]]
 	
-	#hacky_command += "export PATH=\'"+game.tmp_prefix+":'\"$PATH\";"
+	hacky_command += "export PATH=\'"+game.tmp_prefix+":'\"$PATH\";"
 	hacky_command += "cd '%s' || exit 1;" % _cwd
 	hacky_command += command
 
-	#print(hacky_command)
-
 	var result
-	var shell_command_internal = game.shell_test(hacky_command)
+	if _os == "X11" or _os == "OSX":
-#	if _os == "X11" or _os == "OSX":
+		# Godot's OS.execute wraps each argument in double quotes before executing
-#		# Godot's OS.execute wraps each argument in double quotes before executing
+		# on Linux and macOS.
-#		# on Linux and macOS.
+		# Because we want to be in a single-quote context, where nothing is evaluated,
-#		# Because we want to be in a single-quote context, where nothing is evaluated,
+		# we end those double quotes and start a single quoted string. For each single
-#		# we end those double quotes and start a single quoted string. For each single
+		# quote appearing in our string, we close the single quoted string, and add
-#		# quote appearing in our string, we close the single quoted string, and add
+		# a double quoted string containing the single quote. Ooooof!
-#		# a double quoted string containing the single quote. Ooooof!
+		#
-#		#
+		# Example: The string
-#		# Example: The string
+		# 
-#		# 
+		#     test 'fu' "bla" blubb
-#		#     test 'fu' "bla" blubb
+		# 
-#		# 
+		# becomes
-#		# becomes
+		# 
-#		# 
+		#     "'test '"'"'fu'"'"' "bla" blubb"
-#		#     "'test '"'"'fu'"'"' "bla" blubb"
+		
-#
+		hacky_command = '"\''+hacky_command.replace("'", "'\"'\"'")+'\'"'
-#		hacky_command = '"\''+hacky_command.replace("'", "'\"'\"'")+'\'"'
+		result = helpers.exec(_shell_binary(), ["-c",  hacky_command], crash_on_fail)
-#		result = helpers.exec(_shell_binary(), ["-c",  hacky_command], crash_on_fail)
+	elif _os == "Windows":
-#	elif _os == "Windows":
+		# On Windows, if the command contains a newline (even if inside a string),
-#		# On Windows, if the command contains a newline (even if inside a string),
+		# execution will end. To avoid that, we first write the command to a file,
-#		# execution will end. To avoid that, we first write the command to a file,
+		# and run that file with bash.
-#		# and run that file with bash.
+		var script_path = game.tmp_prefix + "command" + str(randi())
-#		var script_path = game.tmp_prefix + "command" + str(randi())
+		helpers.write_file(script_path, hacky_command)
-#		helpers.write_file(script_path, hacky_command)
+		result = helpers.exec(_shell_binary(), [script_path], crash_on_fail)
-#		result = helpers.exec(_shell_binary(), [script_path], crash_on_fail)
+	else:
-#	else:
+		helpers.crash("Unimplemented OS: %s" % _os)
-#		helpers.crash("Unimplemented OS: %s" % _os)
 	
-	shell_command.output = shell_command_internal.output
+	if debug:
-	shell_command.exit_code = shell_command_internal.exit_code
+		print(result["output"])
+	
+	shell_command.output = result["output"]
+	shell_command.exit_code = result["exit_code"]
 	shell_command.emit_signal("done")
 	
 func _shell_binary():

scenes/terminal.gd

@@ -13,6 +13,8 @@ onready var completions = $Rows/TopHalf/Completions
 var repository
 onready var main = get_tree().get_root().get_node("Main")
 
+var shell = Shell.new()
+
 var premade_commands = [
 	'git commit --allow-empty -m "empty"',
 	'echo $RANDOM | git hash-object -w --stdin',
@@ -85,9 +87,9 @@ func send_command(command):
 	editor_regex.compile("^(vim?|gedit|emacs|kate|nano|code) ")
 	command = editor_regex.sub(command, "fake-editor ")
 
-#	var cmd = repository.shell.run_async(command, false)
+	shell.cd(repository.path)
-#	yield(cmd, "done")
+	var cmd = shell.run_async(command, false)
-	var cmd = game.shell_test(command)
+	yield(cmd, "done")
 	call_deferred("command_done", cmd)
 
 func command_done(cmd):