$ git clone -n https://gitee.com/ocs-upgrade/jss.git /var/lib/mock/dist-ocs23-build-284367-27513/root/chroot_tmpdir/scmroot/jss
Cloning into '/var/lib/mock/dist-ocs23-build-284367-27513/root/chroot_tmpdir/scmroot/jss'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/jss
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 977af37 Upgrade to version 5.5.0