$ git clone -n https://gitee.com/ocs-upgrade/jackson-parent.git /var/lib/mock/dist-ocs23-build-284394-27513/root/chroot_tmpdir/scmroot/jackson-parent
Cloning into '/var/lib/mock/dist-ocs23-build-284394-27513/root/chroot_tmpdir/scmroot/jackson-parent'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/jackson-parent
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6bd5d9 Upgrade to version 2.17