$ git clone -n https://gitee.com/wency_cn/liblerc.git /var/lib/mock/dist-an23-build-492421-74553/root/chroot_tmpdir/scmroot/liblerc
Cloning into '/var/lib/mock/dist-an23-build-492421-74553/root/chroot_tmpdir/scmroot/liblerc'...
$ git fetch origin dbf4962182f085b5519d1e21fccbad5ff7f73932:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/liblerc
 * [new ref]         dbf4962182f085b5519d1e21fccbad5ff7f73932 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbf4962 Update code from upstream