$ git clone -n https://gitee.com/src-opencloudos-rpms/osgi-core.git /var/lib/mock/dist-oc9-build-70988-47498/root/chroot_tmpdir/scmroot/osgi-core
Cloning into '/var/lib/mock/dist-oc9-build-70988-47498/root/chroot_tmpdir/scmroot/osgi-core'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/osgi-core
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0815c0e import osgi-core-8.0.0-6.tl4