$ git clone -n https://src.fedoraproject.org/rpms/containerd.git /var/lib/mock/f42-build-3340380-44984/root/chroot_tmpdir/scmroot/containerd
Cloning into '/var/lib/mock/f42-build-3340380-44984/root/chroot_tmpdir/scmroot/containerd'...
$ git fetch origin 2e912c21b9ddba443e122f6b7c8318617be0a044:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/containerd
 * [new ref]         2e912c21b9ddba443e122f6b7c8318617be0a044 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e912c2 Update to release v2.0.3