From: Jeff King <peff@peff.net>
Date: Fri, 19 Jun 2020 13:35:04 GMT
Subject: Re: [PATCH] pull: plug minor memory leak after using is_descendant_of()
Message-ID: <20200619133504.GC2540897@coredump.intra.peff.net>
In-Reply-To: <52a584ee-ce2f-4416-3e3c-97ff15b5c346@web.de>

On Fri, Jun 19, 2020 at 03:14:19PM +0200, René Scharfe wrote:

> cmd_pull() builds a commit_list to pass a single potential ancestor to
> is_descendant_of().  The latter leaves the list intact.  Release the
> allocated memory after the call.
> 
> Leaking in cmd_*() isn't a big deal, but sets a bad example for other
> users of is_descendant_of().

This also looks good to me.

> ---
> Patch generated with -U15 for easier review; only the pre-context is
> interesting, though.  --function-context would add even more noise.
> A --block-context option might be nice (include surrounding lines up to
> and including the previous and next lines with lower indentation). :)
> Or perhaps it's a sign that the function should be split up..

I wondered how:

  git -c diff.cpp.funcname='.*{' show --function-context

but think it always goes to the "^}" line, which is more than we want
(plus the start of the block is in the hunk header, which makes the
indentation look funky).

-Peff