$ git clone -n https://gitee.com/opencloudos-stream/simcrs.git /var/lib/mock/dist-oc9-epol-build-164411-79753/root/chroot_tmpdir/scmroot/simcrs
Cloning into '/var/lib/mock/dist-oc9-epol-build-164411-79753/root/chroot_tmpdir/scmroot/simcrs'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/simcrs
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef5dab6 !1 Rebuilt for loongarch64 Merge pull request !1 from brucezhang/master