$ git clone -n https://gitee.com/yangcheng1203/groff.git /var/lib/mock/dist-an23-build-462190-73799/root/chroot_tmpdir/scmroot/groff
Cloning into '/var/lib/mock/dist-an23-build-462190-73799/root/chroot_tmpdir/scmroot/groff'...
$ git fetch origin 288af3960cc4c37d29e7906ab6b630c6cd568827:KOJI_FETCH_HEAD
From https://gitee.com/yangcheng1203/groff
 * [new ref]         288af3960cc4c37d29e7906ab6b630c6cd568827 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 288af39 fix build error for sw_64