Re: [PATCH] sequencer: shut up clang warning

> When comparing a value of type `enum todo_command` with a value that is
> outside the defined enum constants, clang greets the developer with this
> warning:
> 
> 	comparison of constant 2 with expression of type
> 	'const enum todo_command' is always true
> 
> While this is arguably true *iff* the value was never cast from a
> free-form int, we should keep the cautious code in place.
> 
> To shut up clang, we simply introduce an otherwise pointless enum constant
> and compare against that.
> 
> Noticed by Torsten Bögershausen.
> 
> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
> ---

>  sequencer.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/sequencer.c b/sequencer.c
> index 5fd75f3..f80e9c0 100644
> --- a/sequencer.c
> +++ b/sequencer.c
> @@ -619,7 +619,8 @@ static int allow_empty(struct replay_opts *opts, struct commit *commit)
>  
>  enum todo_command {
>  	TODO_PICK = 0,
> -	TODO_REVERT
> +	TODO_REVERT,
> +	TODO_INVALID
>  };