$ git clone -n https://gitee.com/src-anolis-sig/nydus-rs.git /var/lib/mock/dist-an8-exp-build-187633-60634/root/chroot_tmpdir/scmroot/nydus-rs
Cloning into '/var/lib/mock/dist-an8-exp-build-187633-60634/root/chroot_tmpdir/scmroot/nydus-rs'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-sig/nydus-rs
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3363a4e Update Nydus image service to 2.1.1