$ git clone -n https://gitee.com/wenyuzifang/prefixdevname.git /var/lib/mock/dist-an23-build-469932-74027/root/chroot_tmpdir/scmroot/prefixdevname
Cloning into '/var/lib/mock/dist-an23-build-469932-74027/root/chroot_tmpdir/scmroot/prefixdevname'...
$ git fetch origin 2c03326dbbc84278482795622a86f61a737da523:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/prefixdevname
 * [new ref]         2c03326dbbc84278482795622a86f61a737da523 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c03326 Update code from upstream