$ git clone -n https://gitee.com/src-opencloudos-rpms/poppler-data.git /var/lib/mock/dist-oc9-build-71478-47558/root/chroot_tmpdir/scmroot/poppler-data
Cloning into '/var/lib/mock/dist-oc9-build-71478-47558/root/chroot_tmpdir/scmroot/poppler-data'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/poppler-data
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fffc98f import poppler-data-0.4.12-1.tl4