$ git clone -n https://gitee.com/zhangwenlong01/buildkit.git /var/lib/mock/dist-an23-build-302061-65973/root/chroot_tmpdir/scmroot/buildkit
Cloning into '/var/lib/mock/dist-an23-build-302061-65973/root/chroot_tmpdir/scmroot/buildkit'...
$ git fetch origin 34cc4bee60a31ef576a663f13e58b7647d0fafab:KOJI_FETCH_HEAD
From https://gitee.com/zhangwenlong01/buildkit
 * [new ref]         34cc4bee60a31ef576a663f13e58b7647d0fafab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34cc4be add loong64 support for buildkit