$ git clone -n https://src.fedoraproject.org/rpms/golang-github-openapi-loads.git /var/lib/mock/f41-build-1036211-18712/root/chroot_tmpdir/scmroot/golang-github-openapi-loads
Cloning into '/var/lib/mock/f41-build-1036211-18712/root/chroot_tmpdir/scmroot/golang-github-openapi-loads'...
$ git fetch origin 14f8fdbcb0ad79091f59ba8950166ee79a7f99c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-openapi-loads
 * [new ref]         14f8fdbcb0ad79091f59ba8950166ee79a7f99c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14f8fdb Fix FTBFS