$ git clone -n https://src.fedoraproject.org/rpms/foot.git /var/lib/mock/f45-build-9168-399/root/chroot_tmpdir/scmroot/foot
Cloning into '/var/lib/mock/f45-build-9168-399/root/chroot_tmpdir/scmroot/foot'...
$ git fetch origin 40bfc8f80e43a8ad59af8c09535437a30026d342:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/foot
 * [new ref]         40bfc8f80e43a8ad59af8c09535437a30026d342 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40bfc8f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild