$ git clone -n https://src.fedoraproject.org/rpms/golang-github-mwitkow-conntrack.git /var/lib/mock/f41-build-side-1-2893593-34618/root/chroot_tmpdir/scmroot/golang-github-mwitkow-conntrack
Cloning into '/var/lib/mock/f41-build-side-1-2893593-34618/root/chroot_tmpdir/scmroot/golang-github-mwitkow-conntrack'...
$ git fetch origin e679ae981deacba57ca823b54bdfa83c8cf49b8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-mwitkow-conntrack
 * [new ref]         e679ae981deacba57ca823b54bdfa83c8cf49b8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e679ae9 convert ASL 2.0 license to SPDX