$ git clone -n https://src.fedoraproject.org/rpms/python-pox.git /var/lib/mock/f42-build-side-1-3563053-46727/root/chroot_tmpdir/scmroot/python-pox
Cloning into '/var/lib/mock/f42-build-side-1-3563053-46727/root/chroot_tmpdir/scmroot/python-pox'...
$ git fetch origin 997c0f390fe539cf315a3e120d3c84ca7620859f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pox
 * [new ref]         997c0f390fe539cf315a3e120d3c84ca7620859f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 997c0f3 Update to 0.3.6 upstream release