Fix running commands with directories; also fix editing

markdownrunner.py

@@ -128,7 +128,7 @@ def user_action(hunk: Sequence[Command], context=None) -> Sequence[Command]:
 		with tempfile.NamedTemporaryFile(mode='r+') as tmpfile:
 			# Fill the file with data
 			for cmd in hunk:
-				tmpfile.file.write(f"{cmd.user}\t{cmd.directory}\t{cmd.command}\n")
+				tmpfile.file.write(f"{cmd.user}\t{cmd.directory if cmd.directory else ''}\t{cmd.command}\n")
 			tmpfile.file.flush()	# Should not be needed, but better safe than sorry
 			# Let the user edit the file
 			import os
@@ -146,6 +146,8 @@ def user_action(hunk: Sequence[Command], context=None) -> Sequence[Command]:
 				if line == '':
 					continue
 				parts = line.split('\t', maxsplit=2)
+				# Change directory to None if it is not specified
+				parts[1] = parts[1].strip() if parts[1].strip() != '' else None
 				new_hunk.append(Command(user=parts[0],directory=parts[1],command=parts[2],context=None))
 			# Python has no goto for restarting, but we can recurse
 			return user_action(new_hunk, context)
@@ -160,11 +162,12 @@ def run_command(cmd: Command):
 	# Generate and run the SSH command.
 	global host
 	local_command = ['ssh', host]
+	remote_command = cmd.command
 	if cmd.user is not None:
 		local_command.extend(['-l', cmd.user])
 	if cmd.directory is not None:
-		cmd.command += f'cd {cmd.directory}; {cmd.command}'
-	local_command.append(cmd.command)
+		remote_command = f'cd {cmd.directory}; {remote_command}'
+	local_command.append(remote_command)
 	
 	# Run
 	import subprocess