$ git clone -n https://src.fedoraproject.org/rpms/perl-IO-HTML.git /var/lib/mock/f41-build-766297-13472/root/chroot_tmpdir/scmroot/perl-IO-HTML
Cloning into '/var/lib/mock/f41-build-766297-13472/root/chroot_tmpdir/scmroot/perl-IO-HTML'...
$ git fetch origin 7d59580713d1b5ba235e81032eade030f128412c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-IO-HTML
 * [new ref]         7d59580713d1b5ba235e81032eade030f128412c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d59580 Eliminate use of obsolete %patchN syntax (#2283636)