$ git clone -n https://gitee.com/opencloudos-stream/travelccm.git /var/lib/mock/dist-oc9-epol-build-165105-79754/root/chroot_tmpdir/scmroot/travelccm
Cloning into '/var/lib/mock/dist-oc9-epol-build-165105-79754/root/chroot_tmpdir/scmroot/travelccm'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/travelccm
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5cd44d !1 Rebuilt for loongarch64 Merge pull request !1 from brucezhang/master