Add browser-laptop rev to about:brave

Audiors: @aekeus, @bsclifton

Fix #5462

app/channel.js

@@ -24,3 +24,7 @@ if (!channels.has(channel)) {
 exports.channel = () => {
   return channel
 }
+
+exports.browserLaptopRev = () => process.env.NODE_ENV === 'development'
+  ? require('git-rev-sync').long()
+  : config.BROWSER_LAPTOP_REV

app/sessionStore.js

@@ -350,6 +350,7 @@ const setVersionInformation = (data) => {
     const os = require('os')
     const versionInformation = [
       {name: 'Brave', version: app.getVersion()},
+      {name: 'rev', version: Channel.browserLaptopRev()},
       {name: 'Muon', version: process.versions['atom-shell']},
       {name: 'libchromiumcontent', version: process.versions['chrome']},
       {name: 'V8', version: process.versions.v8},

js/about/brave.js

@@ -53,7 +53,9 @@ class AboutBrave extends React.Component {
               value: entry.get('name')
             },
             {
-              html: entry.get('version'),
+              html: entry.get('name') === 'rev'
+                ? <a target='_blank' href={`https://github.com/brave/browser-laptop/commit/${entry.get('version')}`}>{entry.get('version') && entry.get('version').substring(0, 7) || ''}</a>
+                : entry.get('version'),
               value: entry.get('version')
             }
           ])}

package.json

@@ -142,6 +142,7 @@
     "empty-port": "0.0.2",
     "enzyme": "^2.6.0",
     "flow-bin": "^0.22.1",
+    "git-rev-sync": "^1.8.0",
     "gulp": "^3.9.0",
     "jsdom": "9.4.1",
     "jsdom-global": "2.0.0",

tools/buildPackage.js

@@ -40,7 +40,8 @@ if (!channels[env.CHANNEL]) {
 console.log('Writing buildConfig.js...')
 config.writeBuildConfig(
   {
-    channel: env.CHANNEL
+    channel: env.CHANNEL,
+    BROWSER_LAPTOP_REV: require('git-rev-sync').long()
   },
   'buildConfig.js'
 )

tools/lib/ignoredPaths.js

@@ -54,5 +54,6 @@ module.exports = [
   'react-addons-test-utils',
   'enzyme',
   'leveldown',
+  'git-rev-sync',
   'sqlite3'
 ]