$ git clone -n https://gitee.com/opencloudos-stream/soci-snapshotter.git /var/lib/mock/dist-oc9-epol-build-230990-81540/root/chroot_tmpdir/scmroot/soci-snapshotter
Cloning into '/var/lib/mock/dist-oc9-epol-build-230990-81540/root/chroot_tmpdir/scmroot/soci-snapshotter'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/soci-snapshotter
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 888f0ee !5 backport: support specifying content directory via root option Merge pull request !5 from abushwang/master