$ git clone -n https://gitee.com/wency_cn/python-pynacl_1770980848.git /var/lib/mock/dist-an23-build-514563-75110/root/chroot_tmpdir/scmroot/python-pynacl_1770980848
Cloning into '/var/lib/mock/dist-an23-build-514563-75110/root/chroot_tmpdir/scmroot/python-pynacl_1770980848'...
$ git fetch origin 6280a34f5b76910b5fa169b1522aeea94940e721:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-pynacl_1770980848
 * [new ref]         6280a34f5b76910b5fa169b1522aeea94940e721 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6280a34 Update code from upstream