$ git clone -n https://src.fedoraproject.org/rpms/rust-phf_generator0.8.git /var/lib/mock/f45-build-43826-807/root/chroot_tmpdir/scmroot/rust-phf_generator0.8
Cloning into '/var/lib/mock/f45-build-43826-807/root/chroot_tmpdir/scmroot/rust-phf_generator0.8'...
$ git fetch origin a98d2319ed3aab7074f8447d2d254be38d037334:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-phf_generator0.8
 * [new ref]         a98d2319ed3aab7074f8447d2d254be38d037334 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a98d231 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild