$ git clone -n https://gitee.com/opencloudos-stream/med.git /var/lib/mock/dist-oc9-epol-build-183950-80198/root/chroot_tmpdir/scmroot/med
Cloning into '/var/lib/mock/dist-oc9-epol-build-183950-80198/root/chroot_tmpdir/scmroot/med'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/med
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac5c21c !3 Rebuilt for loongarch64 Merge pull request !3 from brucezhang/master