$ git clone -n https://gitee.com/src-opencloudos-rpms/libreoffice.git /var/lib/mock/dist-oc8-build-100224-64336/root/chroot_tmpdir/scmroot/libreoffice
Cloning into '/var/lib/mock/dist-oc8-build-100224-64336/root/chroot_tmpdir/scmroot/libreoffice'...
$ git fetch origin a56d96b118b0a298b5ac4eecabbe0df568df806a:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libreoffice
 * [new ref]         a56d96b118b0a298b5ac4eecabbe0df568df806a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a56d96b import libreoffice-6.4.7.2-18.tl3