$ git clone -n https://gitee.com/sys0613/cups-pk-helper.git /var/lib/mock/dist-an7_9-updates-build-309014-65941/root/chroot_tmpdir/scmroot/cups-pk-helper
Cloning into '/var/lib/mock/dist-an7_9-updates-build-309014-65941/root/chroot_tmpdir/scmroot/cups-pk-helper'...
$ git fetch origin 16b4df65545d6b37ea78c07a41475b91d03587b6:KOJI_FETCH_HEAD
From https://gitee.com/sys0613/cups-pk-helper
 * [new ref]         16b4df65545d6b37ea78c07a41475b91d03587b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16b4df6 spec: add doc sub package