From: Eric Wong <e@80x24.org>
Date: Tue, 14 May 2019 23:38:09 GMT
Subject: Re: [PATCH] get_oid: handle NULL repo->index
Message-ID: <20190514233809.7wnlbb4s6cjhjv63@dcvr>
In-Reply-To: <20190514135455.GA17927@sigill.intra.peff.net>

Jeff King <peff@peff.net> wrote:
> +++ b/sha1-name.c
> @@ -1837,7 +1837,7 @@ static enum get_oid_result get_oid_with_context_1(struct repository *repo,
>  		if (flags & GET_OID_RECORD_PATH)
>  			oc->path = xstrdup(cp);
>  
> -		if (!repo->index->cache)
> +		if (!repo->index || !repo->index->cache)
>  			repo_read_index(repo);

Awesome, looks obviously correct and can confirm it fixes the
new segfault :>

Now I'm kinda wondering if some static checker coulda/shoulda
spotted that, sooner.