$ git clone -n https://gitee.com/opencloudos-stream/jss.git /var/lib/mock/dist-ocs23-base-build-286668-27889/root/chroot_tmpdir/scmroot/jss
Cloning into '/var/lib/mock/dist-ocs23-base-build-286668-27889/root/chroot_tmpdir/scmroot/jss'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/jss
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b238af4 Rebuilt for clarifying the packages requirement in BaseOS and AppStream