$ git clone -n https://src.fedoraproject.org/rpms/perl-Gtk2-Ex-Simple-List.git /var/lib/mock/f39-build-1656319-40543/root/chroot_tmpdir/scmroot/perl-Gtk2-Ex-Simple-List
Cloning into '/var/lib/mock/f39-build-1656319-40543/root/chroot_tmpdir/scmroot/perl-Gtk2-Ex-Simple-List'...
$ git fetch origin 4ae5d23a4edec0866098f65b592173f13852a180:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Gtk2-Ex-Simple-List
 * [new ref]         4ae5d23a4edec0866098f65b592173f13852a180 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ae5d23 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild