feat(diskutil): Populate devicePath on Mac OS

This exposes the device tree path under the `.devicePath` property

Change-type: minor
Signed-off-by: Jonas Hermsmeier <jhermsmeier@gmail.com>

Author: jhermsmeier

lib/diskutil.js

@@ -56,7 +56,7 @@ const transform = (disk) => {
     busType: disk.BusProtocol || 'UNKNOWN',
     busVersion: null,
     device: disk.DeviceNode,
-    devicePath: null,
+    devicePath: disk.DeviceTreePath || null,
     raw: disk.DeviceNode && disk.DeviceNode.replace('/disk', '/rdisk'),
     description: disk.IORegistryEntryName || disk.MediaName,
     error: null,

tests/diskutil.spec.js

@@ -44,7 +44,7 @@ describe('Drivelist', function() {
           busType: 'PCI-Express',
           busVersion: null,
           device: '/dev/disk1',
-          devicePath: null,
+          devicePath: 'IODeviceTree:/PCI0@0/RP17@1B/SSD0@0/IONVMeController',
           raw: '/dev/rdisk1',
           description: 'Macintosh HD',
           error: null,
@@ -98,7 +98,7 @@ describe('Drivelist', function() {
         busType: 'USB',
         busVersion: null,
         device: '/dev/disk3',
-        devicePath: null,
+        devicePath: 'IODeviceTree:/PCI0@0/XHC1@14',
         raw: '/dev/rdisk3',
         description: 'APPLE SD Card Reader Media',
         error: null,