$ git clone -n https://gitee.com/opencloudos-stream/groff.git /var/lib/mock/dist-ocs23-build-233308-19914/root/chroot_tmpdir/scmroot/groff
Cloning into '/var/lib/mock/dist-ocs23-build-233308-19914/root/chroot_tmpdir/scmroot/groff'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/groff
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90f4902 Rebuilt for loongarch release