$ git clone -n https://src.fedoraproject.org/rpms/rust-camino.git /var/lib/mock/f41-build-side-1-2769192-32104/root/chroot_tmpdir/scmroot/rust-camino
Cloning into '/var/lib/mock/f41-build-side-1-2769192-32104/root/chroot_tmpdir/scmroot/rust-camino'...
$ git fetch origin c08b9c2ab55cbd94ba2906088d439b7db79ac6c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-camino
 * [new ref]         c08b9c2ab55cbd94ba2906088d439b7db79ac6c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c08b9c2 Update to version 1.1.9; Fixes RHBZ#2305232