$ git clone -n https://src.fedoraproject.org/rpms/rust-virtio-queue.git /var/lib/mock/f39-build-2261524-54414/root/chroot_tmpdir/scmroot/rust-virtio-queue
Cloning into '/var/lib/mock/f39-build-2261524-54414/root/chroot_tmpdir/scmroot/rust-virtio-queue'...
$ git fetch origin 4a59d4eedd04255bc80f1f6c3c35f0547fd60948:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-virtio-queue
 * [new ref]         4a59d4eedd04255bc80f1f6c3c35f0547fd60948 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a59d4e Update to version 0.10.0; Fixes RHBZ#2246407