$ git clone -n https://src.fedoraproject.org/rpms/rust-vhost-device-vsock.git /var/lib/mock/f45-build-46080-830/root/chroot_tmpdir/scmroot/rust-vhost-device-vsock
Cloning into '/var/lib/mock/f45-build-46080-830/root/chroot_tmpdir/scmroot/rust-vhost-device-vsock'...
$ git fetch origin 8a756e419390f19c6deca815941ebc25d6237161:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-vhost-device-vsock
 * [new ref]         8a756e419390f19c6deca815941ebc25d6237161 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a756e4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild