$ git clone -n https://src.fedoraproject.org/rpms/dkms.git /var/lib/mock/f40-build-2344165-59899/root/chroot_tmpdir/scmroot/dkms
Cloning into '/var/lib/mock/f40-build-2344165-59899/root/chroot_tmpdir/scmroot/dkms'...
$ git fetch origin acd422f106c339a46aef52a6b4a2a52ba6db4bf8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dkms
 * [new ref]         acd422f106c339a46aef52a6b4a2a52ba6db4bf8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at acd422f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild