$ git clone -n https://src.fedoraproject.org/rpms/gnumeric.git /var/lib/mock/f41-build-side-2-python-2736696-30840/root/chroot_tmpdir/scmroot/gnumeric
Cloning into '/var/lib/mock/f41-build-side-2-python-2736696-30840/root/chroot_tmpdir/scmroot/gnumeric'...
$ git fetch origin bce6e32eed645432aea2d9eff87716409cf28fe3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnumeric
 * [new ref]         bce6e32eed645432aea2d9eff87716409cf28fe3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bce6e32 Revert ix86-related changes