$ git clone -n https://src.fedoraproject.org/rpms/vlfrx-tools.git /var/lib/mock/f45-build-38151-722/root/chroot_tmpdir/scmroot/vlfrx-tools
Cloning into '/var/lib/mock/f45-build-38151-722/root/chroot_tmpdir/scmroot/vlfrx-tools'...
$ git fetch origin ab97a7a25c0ca2799a4358dfe5db73dbf628a4f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vlfrx-tools
 * [new ref]         ab97a7a25c0ca2799a4358dfe5db73dbf628a4f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab97a7a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild