$ git clone -n https://src.fedoraproject.org/rpms/golang-github-containerd-ttrpc.git /var/lib/mock/f40-build-2214520-52372/root/chroot_tmpdir/scmroot/golang-github-containerd-ttrpc
Cloning into '/var/lib/mock/f40-build-2214520-52372/root/chroot_tmpdir/scmroot/golang-github-containerd-ttrpc'...
$ git fetch origin 79e2cdbc56bb1f424c51d81b76511ba30dddc4a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-containerd-ttrpc
 * [new ref]         79e2cdbc56bb1f424c51d81b76511ba30dddc4a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79e2cdb Migrate to SPDX license