Add message that reveals commit that SwaggerUI was derived from

make-webpack-config.js

@@ -2,11 +2,14 @@ var path = require('path')
 
 var webpack = require('webpack')
 var ExtractTextPlugin = require('extract-text-webpack-plugin')
+var GitRevisionPlugin = require('git-revision-webpack-plugin')
 var deepExtend = require('deep-extend')
 var autoprefixer = require('autoprefixer')
 
 var loadersByExtension = require('./build-tools/loadersByExtension')
 
+var gitRevisionPlugin = new GitRevisionPlugin()
+
 module.exports = function(options) {
 
   // Special options, that have logic in this file
@@ -59,7 +62,8 @@ module.exports = function(options) {
     new webpack.DefinePlugin({
       'process.env': {
         NODE_ENV:  specialOptions.minimize ? JSON.stringify('production') : null,
-        WEBPACK_INLINE_STYLES: !Boolean(specialOptions.separateStylesheets)
+        WEBPACK_INLINE_STYLES: !Boolean(specialOptions.separateStylesheets),
+        COMMITHASH: JSON.stringify(gitRevisionPlugin.commithash())
       },
     }))