$ git clone -n https://gitee.com/ocs-bot/poppler-data.git /var/lib/mock/dist-ocs23-build-115604-7917/root/chroot_tmpdir/scmroot/poppler-data
Cloning into '/var/lib/mock/dist-ocs23-build-115604-7917/root/chroot_tmpdir/scmroot/poppler-data'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/poppler-data
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2e40b6 Upgrade to version 0.4.12