Allow default users

markdownrunner.py

@@ -64,9 +64,9 @@ def parse_snippet(s: Tuple[str, str]) -> Sequence[Command]:
 	# We now check the separate lines and possibly tweak them (e.g. by removing sudo-s)
 	lines = s[1].split('\n')
 	directory = None	# Don't cd by default
-	user = 'root'	# Connect as root by default (it does not really matter, since the commands are run with sudo's)
 	result = []
 	for line in lines:
+		user = None	# This allows (in conjunction with the right order of arguments to 'ssh') to specify the default user in the hostname (as 'user@host.name')
 		line = line.strip()
 		if line.startswith('cd'):
 			parts = line.split()
@@ -90,7 +90,6 @@ def parse_snippet(s: Tuple[str, str]) -> Sequence[Command]:
 			continue
 		else:
 			# No sudo or cd, just a command.
-			user = 'root'	# Reset to default
 			cmd = line
 		result.append(Command(user=user,directory=directory,command=cmd,context=context))
 		# Let's have the previously processed commands in the context
@@ -131,7 +130,7 @@ 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 if cmd.directory else ''}\t{cmd.command}\n")
+				tmpfile.file.write(f"{cmd.user if cmd.user else ''}\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
@@ -165,10 +164,11 @@ def user_action(hunk: Sequence[Command], context=None) -> Sequence[Command]:
 def run_command(cmd: Command):
 	# Generate and run the SSH command.
 	global host
-	local_command = ['ssh', host]
+	local_command = ['ssh']
 	remote_command = cmd.command
 	if cmd.user is not None:
 		local_command.extend(['-l', cmd.user])
+	local_command.append(host)	# SSH seems to honor the first specified parameter. This allows to have username as a part of the hostname, yet still be able to honor the sudo-s in the sinppets.
 	if cmd.directory is not None:
 		remote_command = f'cd {cmd.directory}; {remote_command}'
 	local_command.append(remote_command)