$ git clone -n https://src.fedoraproject.org/rpms/beakerlib.git /var/lib/mock/f40-build-2274520-55013/root/chroot_tmpdir/scmroot/beakerlib
Cloning into '/var/lib/mock/f40-build-2274520-55013/root/chroot_tmpdir/scmroot/beakerlib'...
$ git fetch origin a0fbf01b2e3e0d4aa5405fafe3e21c5b2d9eb93a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/beakerlib
 * [new ref]         a0fbf01b2e3e0d4aa5405fafe3e21c5b2d9eb93a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0fbf01 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild