[PATCH] cmdline-gen: fix error when command list has empty lines

[Bruce Richardson]

On Thu, Nov 16, 2023 at 12:18:13PM +0100, Robin Jarry wrote:
> Fix the following error when a command list file contains empty lines:
> 
> Traceback (most recent call last):
>   File "buildtools/dpdk-cmdline-gen.py", line 202, in <module>
>     main()
>   File "buildtools/dpdk-cmdline-gen.py", line 184, in main
>     process_commands(args.infile, sys.stdout, None, args.context_name)
>   File "buildtools/dpdk-cmdline-gen.py", line 141, in process_commands
>     cmd_inst, h_out, c_out = process_command(lineno, tokens.strip().spl…
>                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^…
>   File "buildtools/dpdk-cmdline-gen.py", line 36, in process_command
>     if tokens[0].startswith("<"):
>        ~~~~~~^^^
> IndexError: list index out of range
> 
> Use shlex.split() to properly split each line arguments into tokens and
> strip comments.
> 
> If there are no tokens, ignore the line.
> 
> Fixes: 37666691e9ed ("buildtools: add a tool to generate cmdline boilerplate")
> 
> Cc: Bruce Richardson <bruce.richardson at intel.com>
> Signed-off-by: Robin Jarry <rjarry at redhat.com>
> ---

LGTM, thanks.

Acked-by: Bruce Richardson <bruce.richardson at intel.com>