$ git clone -n https://src.fedoraproject.org/rpms/golang-github-openzipkin-zipkin.git /var/lib/mock/f41-build-side-1-2893601-34618/root/chroot_tmpdir/scmroot/golang-github-openzipkin-zipkin
Cloning into '/var/lib/mock/f41-build-side-1-2893601-34618/root/chroot_tmpdir/scmroot/golang-github-openzipkin-zipkin'...
$ git fetch origin 8af04e0c71a3b7e5a702601b35a3a324b5e30860:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-openzipkin-zipkin
 * [new ref]         8af04e0c71a3b7e5a702601b35a3a324b5e30860 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8af04e0 convert ASL 2.0 license to SPDX