$ git clone -n https://src.fedoraproject.org/rpms/gnubik.git /var/lib/mock/f40-build-802257-143971/root/chroot_tmpdir/scmroot/gnubik
Cloning into '/var/lib/mock/f40-build-802257-143971/root/chroot_tmpdir/scmroot/gnubik'...
$ git fetch origin 3aabbfbb06acee52996c8d85db7ceb1c10a343b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnubik
 * [new ref]         3aabbfbb06acee52996c8d85db7ceb1c10a343b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3aabbfb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild