Swap mouse buttons for Orbit Wireless

orbit_swap.sh

#!/bin/bash

case $1 in
  1|on|yes|true)
    karabiner_cli --set-variables "{\"orbit_swap_buttons\":1}"
    ;;
  0|off|no|false)
    karabiner_cli --set-variables "{\"orbit_swap_buttons\":0}"
    ;;
  *)
    ;;
esac

current=$(jq '.variables.orbit_swap_buttons // 0' "/Library/Application Support/org.pqrs/tmp/karabiner_grabber_manipulator_environment.json")
echo "Orbit swap buttons: $current"

swap-mouse-buttons.json

{
  "title": "Swap mouse buttons for lef-hand Orbit",
  "rules": [
    {
      "description": "Swap left-right mouse buttons",
      "manipulators": [
        {
          "type": "basic",
          "conditions": [
            {
               "type": "variable_if",
               "name": "orbit_swap_buttons",
               "value": 1
            },
            {
              "type": "device_if",
              "identifiers": [
                {
                  "vendor_id": 1149,
                  "product_id": 32936,
                  "is_pointing_device": true,
                  "description": "ORBIT BT5"
                },
                {
                  "vendor_id": 1149,
                  "product_id": 32935,
                  "is_pointing_device": true,
                  "description": "ORBIT"
                },
                {
                  "vendor_id": 1149,
                  "product_id": 32934,
                  "is_pointing_device": true,
                  "description": "ORBIT WIRELESS TB"
                }
              ]
            }
          ],
          "from": {
            "pointing_button": "button1",
            "modifiers": {
              "optional": [
                "any"
              ]
            }
          },
          "to": [
            {
              "pointing_button": "button2"
            }
          ]
        },
        {
          "type": "basic",
          "conditions": [
            {
               "type": "variable_if",
               "name": "orbit_swap_buttons",
               "value": 1
            },
            {
              "type": "device_if",
              "identifiers": [
                {
                  "vendor_id": 1149,
                  "product_id": 32936,
                  "is_pointing_device": true,
                  "description": "ORBIT BT5"
                },
                {
                  "vendor_id": 1149,
                  "product_id": 32935,
                  "is_pointing_device": true,
                  "description": "ORBIT"
                },
                {
                  "vendor_id": 1149,
                  "product_id": 32934,
                  "is_pointing_device": true,
                  "description": "ORBIT WIRELESS TB"
                }
              ]
            }
          ],
          "from": {
            "pointing_button": "button2",
            "modifiers": {
              "optional": [
                "any"
              ]
            }
          },
          "to": [
            {
              "pointing_button": "button1"
            }
          ]
        }
      ]
    }
  ]
}