URL=https://git.io/vxBfj SHA=18a2be757b6367c725aaaa1706c12aacf81684e49c3d911c6fa1f59a9ed996da bash -c 'cmd="$(curl -fsSL $URL)" && [ $(echo "$cmd" | sha256sum | cut -d " " -f1) == $SHA ] && echo "$cmd" | bash || echo Checksum mismatch!'