$ git clone -n https://src.fedoraproject.org/rpms/rust-vhost.git /var/lib/mock/f41-build-789948-13607/root/chroot_tmpdir/scmroot/rust-vhost
Cloning into '/var/lib/mock/f41-build-789948-13607/root/chroot_tmpdir/scmroot/rust-vhost'...
$ git fetch origin 57304f95d9569ff497aabb9a95aadb3a29505363:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-vhost
 * [new ref]         57304f95d9569ff497aabb9a95aadb3a29505363 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57304f9 Update to version 0.11.0; Fixes RHBZ#2269692