$ git clone -n https://gitee.com/src-opencloudos-rpms/poppler.git /var/lib/mock/dist-oc8-build-233064-81791/root/chroot_tmpdir/scmroot/poppler
Cloning into '/var/lib/mock/dist-oc8-build-233064-81791/root/chroot_tmpdir/scmroot/poppler'...
$ git fetch origin 30c576fb9eb66afb3b1ec2fb66ed5481eff8323e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/poppler
 * [new ref]         30c576fb9eb66afb3b1ec2fb66ed5481eff8323e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30c576f import poppler-20.11.0-13.tl3