$ git clone -n https://gitee.com/src-opencloudos-rpms/poppler /var/lib/mock/dist-oc8-build-58092-15890/root/chroot_tmpdir/scmroot/poppler
Cloning into '/var/lib/mock/dist-oc8-build-58092-15890/root/chroot_tmpdir/scmroot/poppler'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/poppler
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 473abd6 import poppler-20.11.0-10.tl3