$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-Toc.git /var/lib/mock/f41-build-766265-13472/root/chroot_tmpdir/scmroot/perl-HTML-Toc
Cloning into '/var/lib/mock/f41-build-766265-13472/root/chroot_tmpdir/scmroot/perl-HTML-Toc'...
$ git fetch origin 81cb17d0c62160a29fe04dec020eb4448ec89369:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-Toc
 * [new ref]         81cb17d0c62160a29fe04dec020eb4448ec89369 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81cb17d Eliminate use of obsolete %patchN syntax (#2283636)