$ git clone -n https://gitee.com/fundawang/groff.git /var/lib/mock/dist-an23-build-284514-64755/root/chroot_tmpdir/scmroot/groff
Cloning into '/var/lib/mock/dist-an23-build-284514-64755/root/chroot_tmpdir/scmroot/groff'...
$ git fetch origin 935d20ff4b5cf6ae864cb100ddfa8f85208f70db:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/groff
 * [new ref]         935d20ff4b5cf6ae864cb100ddfa8f85208f70db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 935d20f update patch