$ git clone -n https://src.fedoraproject.org/rpms/rust-phf0.11.git /var/lib/mock/f45-build-43829-807/root/chroot_tmpdir/scmroot/rust-phf0.11
Cloning into '/var/lib/mock/f45-build-43829-807/root/chroot_tmpdir/scmroot/rust-phf0.11'...
$ git fetch origin d21085a98083a6d3a9fc9c9c311bb6c8092ac55e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-phf0.11
 * [new ref]         d21085a98083a6d3a9fc9c9c311bb6c8092ac55e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d21085a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild