$ git clone -n https://gitee.com/wency_cn/device-mapper-persistent-data.git /var/lib/mock/dist-an23-build-502023-74794/root/chroot_tmpdir/scmroot/device-mapper-persistent-data
Cloning into '/var/lib/mock/dist-an23-build-502023-74794/root/chroot_tmpdir/scmroot/device-mapper-persistent-data'...
$ git fetch origin 02e09a38f2cce707bd7ff30ef560597b7d8d9b61:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/device-mapper-persistent-data
 * [new ref]         02e09a38f2cce707bd7ff30ef560597b7d8d9b61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02e09a3 Update code from upstream