Re: [PATCH] risu: Add test summary

[Thomas Huth <thuth@redhat.com>]

On 08/11/2023 17.23, Sebastian Mitterle wrote:
> Currently, a successful test run finishes silently with exit code 0.
> The last message on the console is "starting image" which can leave
> the user wondering if they executed the commands correctly.

Thanks for the patch, I think this is a good idea - it also initially 
puzzled me a couple of times due to the missing feedback.

> Now add a summary of the number of executed instructions in case
> of success. Don't add that message when printing the trace to
> stdout (`-t -`).
> 
> Tested:
> a) master/apprentice mode
> b) trace mode to file
> c) trace mode to stdout
> 
> Suggested-by: Thomas Huth <thuth@redhat.com>
> Signed-off-by: Sebastian Mitterle <smitterl@redhat.com>
> ---
>   risu.c | 12 ++++++++++--
>   1 file changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/risu.c b/risu.c
> index 36fc82a..740663a 100644
> --- a/risu.c
> +++ b/risu.c
> @@ -551,6 +551,7 @@ int main(int argc, char **argv)
>       struct option *longopts;
>       char *shortopts;
>       stack_t ss;
> +    int ret;
>   
>       longopts = setup_options(&shortopts);
>   
> @@ -635,8 +636,15 @@ int main(int argc, char **argv)
>       arch_init();
>   
>       if (ismaster) {
> -        return master();
> +        ret = master();
>       } else {
> -        return apprentice();
> +        ret = apprentice();
>       }
> +
> +    if (ret == EXIT_SUCCESS && (!trace || (trace  && strcmp(trace_fn, "-") != 0))) {

There's a superfluous white space here ------------^

Apart from that, I wonder whether the check for trace-to-stdout is really 
necessary, since you print the message to stderr below instead?

> +        fprintf(stderr, "No mismatches found. Executed %zd checkpoints.\n",
> +                signal_count);
> +    }
> +
> +    return ret;
>   }

  Thomas