$ git clone -n https://gitee.com/sys0613/graphene.git /var/lib/mock/dist-an8.7-build-273764-64202/root/chroot_tmpdir/scmroot/graphene
Cloning into '/var/lib/mock/dist-an8.7-build-273764-64202/root/chroot_tmpdir/scmroot/graphene'...
$ git fetch origin 581a999c68a748fe5452dfc5d6e5e281b6882c3a:KOJI_FETCH_HEAD
From https://gitee.com/sys0613/graphene
 * [new ref]         581a999c68a748fe5452dfc5d6e5e281b6882c3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 581a999 optimise spec file & add doc package