Re: [PATCH 2/2] refs: support negative transfer.hideRefs

> If you hide a hierarchy of refs using the transfer.hideRefs
> config, there is no way to later override that config to
> "unhide" it. This patch implements a "negative" hide which
> causes matches to immediately be marked as unhidden, even if
> another match would hide it. We take care to apply the
> matches in reverse-order from how they are fed to us by the
> config machinery, as that lets our usual "last one wins"
> config precedence work (and entries in .git/config, for
> example, will override /etc/gitconfig).
>
> Signed-off-by: Jeff King <peff@peff.net>
> ---
> +test_expect_success 'set up some extra tags for ref hiding' '
> +       git tag magic/one &&
> +       git tag magic/two
> +'
> +
>  for configsection in transfer uploadpack
>  do
>         test_expect_success "Hide some refs with $configsection.hiderefs" '
> @@ -138,6 +143,16 @@ do
>                 sed -e "/       refs\/tags\//d" >expect &&
>                 test_cmp expect actual
>         '
> +
> +       test_expect_success "Override hiding of $configsection.hiderefs" '
> +               test_when_finished "test_unconfig $configsection.hiderefs" &&
> +               git config --add $configsection.hiderefs refs/tags &&
> +               git config --add $configsection.hiderefs "!refs/tags/magic" &&
> +               git config --add $configsection.hiderefs refs/tags/magic/one &&
> +               git ls-remote . >actual &&
> +               verbose grep refs/tags/magic/two actual

> +       '
> +
>  done
>
>  test_done
> --
> 2.5.0.rc3.557.g17a1555