$ git clone -n https://gitee.com/src-opencloudos-rpms/poppler.git /var/lib/mock/dist-oc8-build-38223-12339/root/chroot_tmpdir/scmroot/poppler
Cloning into '/var/lib/mock/dist-oc8-build-38223-12339/root/chroot_tmpdir/scmroot/poppler'...
$ git reset --hard origin/oc8
HEAD is now at 9a3d858 import poppler-20.11.0-6.tl3