$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-FormFu.git /var/lib/mock/f39-build-1436254-32051/root/chroot_tmpdir/scmroot/perl-HTML-FormFu
Cloning into '/var/lib/mock/f39-build-1436254-32051/root/chroot_tmpdir/scmroot/perl-HTML-FormFu'...
$ git fetch origin fc560f30b141e72f59f3a14cbfbc47f39c4ef88b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-FormFu
 * [new ref]         fc560f30b141e72f59f3a14cbfbc47f39c4ef88b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc560f3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild