$ git clone -n https://gitee.com/wency_cn/libnvme.git /var/lib/mock/dist-an23-build-492445-74553/root/chroot_tmpdir/scmroot/libnvme
Cloning into '/var/lib/mock/dist-an23-build-492445-74553/root/chroot_tmpdir/scmroot/libnvme'...
$ git fetch origin 87e7a30bca8433386b313d1a8f46cc89ff2edead:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libnvme
 * [new ref]         87e7a30bca8433386b313d1a8f46cc89ff2edead -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87e7a30 Update code from upstream