$ git clone -n https://src.fedoraproject.org/rpms/rust-crossbeam-queue.git /var/lib/mock/f40-build-2651085-66880/root/chroot_tmpdir/scmroot/rust-crossbeam-queue
Cloning into '/var/lib/mock/f40-build-2651085-66880/root/chroot_tmpdir/scmroot/rust-crossbeam-queue'...
$ git fetch origin 76db76f1dd8ae748152e89c28d07a0ee7d247e0e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-crossbeam-queue
 * [new ref]         76db76f1dd8ae748152e89c28d07a0ee7d247e0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76db76f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild