$ git clone -n https://src.fedoraproject.org/rpms/lxappearance-obconf.git /var/lib/mock/f45-build-17782-504/root/chroot_tmpdir/scmroot/lxappearance-obconf
Cloning into '/var/lib/mock/f45-build-17782-504/root/chroot_tmpdir/scmroot/lxappearance-obconf'...
$ git fetch origin d3b444f4c5ad9ba1c4452b62f5ff407aa2e8ba03:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lxappearance-obconf
 * [new ref]         d3b444f4c5ad9ba1c4452b62f5ff407aa2e8ba03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3b444f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild