$ git clone -n https://gitee.com/src-opencloudos-rpms/xpdf.git /var/lib/mock/dist-oc9-webui-build-56572-14842/root/chroot_tmpdir/scmroot/xpdf
Cloning into '/var/lib/mock/dist-oc9-webui-build-56572-14842/root/chroot_tmpdir/scmroot/xpdf'...
$ git fetch origin oc9-webui:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/xpdf
 * [new branch]      oc9-webui  -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cd9bf6 import xpdf-4.04-10.tl4