Johannes Schindelin <johannes.schinde...@gmx.de> writes:
> The data structure passed to the recursive merge machinery has a feature
> where the caller can ask for the output to be buffered into a strbuf, by
> setting the field 'buffer_output'.
>
> Previously, we simply swallowed the buffered output when showing error
> messages. With this patch, we show the output first, and only then print
> the error message.
I didn't quite understand this paragraph until I realized that you
meant "when showing die message". We died without flushing, losing
accumulated output.
> +static int err(struct merge_options *o, const char *err, ...)
> +{
> + va_list params;
> +
> + va_start(params, err);
> + flush_output(o);
I would have written the above two swapped; va_start() logically
is about what happens in the next four lines.
> + strbuf_vaddf(&o->obuf, err, params);
> + error("%s", o->obuf.buf);
> + strbuf_reset(&o->obuf);
Sneaky ;-)
The remainder replaces error(...) with err(o, ...) and updates the
callchain to pass the merge_options around, which looked good.
Thanks.
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