$ git clone -n https://src.fedoraproject.org/rpms/rust-hyper-tls0.5.git /var/lib/mock/f45-build-42458-794/root/chroot_tmpdir/scmroot/rust-hyper-tls0.5
Cloning into '/var/lib/mock/f45-build-42458-794/root/chroot_tmpdir/scmroot/rust-hyper-tls0.5'...
$ git fetch origin ff64253981a6c590fc8bb00857d3550b494ab81a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-hyper-tls0.5
 * [new ref]         ff64253981a6c590fc8bb00857d3550b494ab81a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff64253 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild