$ git clone -n https://src.fedoraproject.org/rpms/python-boxsdk.git /var/lib/mock/f45-build-29786-641/root/chroot_tmpdir/scmroot/python-boxsdk
Cloning into '/var/lib/mock/f45-build-29786-641/root/chroot_tmpdir/scmroot/python-boxsdk'...
$ git fetch origin ba8580e85b2b9ceb2f436b457d35d2a000755d45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-boxsdk
 * [new ref]         ba8580e85b2b9ceb2f436b457d35d2a000755d45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba8580e 10.15.0