$ git clone -n https://github.com/xcp-ng-rpms/openvswitch.git /var/lib/mock/v8.3-u-pcoval2-10105-28722/root/chroot_tmpdir/scmroot/openvswitch
Cloning into '/var/lib/mock/v8.3-u-pcoval2-10105-28722/root/chroot_tmpdir/scmroot/openvswitch'...
$ git fetch origin e86bea8cfde21f7ad8d1fac1f734d95f913a5ba2:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/openvswitch
 * [new ref]         e86bea8cfde21f7ad8d1fac1f734d95f913a5ba2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e86bea8 bump release for test build