$ git clone -n https://gitee.com/src-anolis-os/lld.git /var/lib/mock/dist-an23-loongarch-build-325054-68768/root/chroot_tmpdir/scmroot/lld
Cloning into '/var/lib/mock/dist-an23-loongarch-build-325054-68768/root/chroot_tmpdir/scmroot/lld'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/lld
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd66a2a [LoongArch] Backport patches