$ git clone -n https://gitee.com/opencloudos-stream/tftp.git /var/lib/mock/dist-ocs23-build-237779-21135/root/chroot_tmpdir/scmroot/tftp
Cloning into '/var/lib/mock/dist-ocs23-build-237779-21135/root/chroot_tmpdir/scmroot/tftp'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/tftp
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1bd0c4 Rebuilt for loongarch release