$ git clone -n https://src.fedoraproject.org/rpms/jalv.git /var/lib/mock/f45-build-14295-458/root/chroot_tmpdir/scmroot/jalv
Cloning into '/var/lib/mock/f45-build-14295-458/root/chroot_tmpdir/scmroot/jalv'...
$ git fetch origin 93d9fc2b09d7a3cc3a57735f0124885a95dac053:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jalv
 * [new ref]         93d9fc2b09d7a3cc3a57735f0124885a95dac053 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93d9fc2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild