$ git clone -n https://gitee.com/wenyuzifang/umockdev.git /var/lib/mock/dist-an23-build-472735-74118/root/chroot_tmpdir/scmroot/umockdev
Cloning into '/var/lib/mock/dist-an23-build-472735-74118/root/chroot_tmpdir/scmroot/umockdev'...
$ git fetch origin 649480c25254b28fef9f6c4d0e2c9c4a60836951:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/umockdev
 * [new ref]         649480c25254b28fef9f6c4d0e2c9c4a60836951 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 649480c Update code from upstream