On 10/10/2024 16:57, Junio C Hamano wrote:
> Junio C Hamano <gitster@xxxxxxxxx> writes:
>
>> Bence Ferdinandy <bence@xxxxxxxxxxxxxx> writes:
>>
>>> +static void report_auto(const char *remote, const char *head_name,
>>> + struct strbuf *buf_prev) {
>>> + struct strbuf buf_prefix = STRBUF_INIT;
>>> + const char *prev_head;
>>
>> I think we need to initialize prev_head to NULL.
>>
>>> + strbuf_addf(&buf_prefix, "refs/remotes/%s/", remote);
>>> + skip_prefix(buf_prev->buf, buf_prefix.buf, &prev_head);
>>
>> If the symref was not pointing into the "refs/remotes/<remote>/"
>> hierarchy previously, skip_prefix() comes back without touching
>> prev_head (i.e. not starting with the prefix does not clear it).
>
> The two uninitialized prev_head were also noticed by compilers in
> multiple jobs at GitHub CI.
>
> https://github.com/git/git/actions/runs/11265515664
Heh, I was just about to send a patch to fix up these two warnings
(errors with -Werror), so that I could build 'seen'. However, it
seems to be well in hand, so I won't bother! :)
ATB,
Ramsay Jones
