Revert webpack.config.js

config/webpack.config.js

@@ -2,7 +2,6 @@
 
 var fs = require('fs');
 var path = require('path');
-var execSync = require('child_process').execSync;
 var webpack = require('webpack');
 var StatsPlugin = require('stats-webpack-plugin');
 var CompressionPlugin = require('compression-webpack-plugin');
@@ -198,33 +197,7 @@ var config = {
   }
 }
 
-function getHeadCommitSHA() {
-  // Simple SHA validation.
-  // Match 5-40 numbers or lowercase letters between a and f.
-  const SHA_REGEX = /^\b[0-9a-f]{5,40}\b$/;
-  let stdout;
-
-  try {
-    stdout = execSync('git rev-parse HEAD');
-  } catch (error) {
-    throw error;
-  }
-
-  const headCommitSHA = stdout.trim();
-  if (!SHA_REGEX.test(headCommitSHA)) {
-    throw new Error(`\`git rev-parse HEAD\` output is not a valid SHA1: ${headCommitSHA}`);
-  }
-
-  return headCommitSHA;
-}
-
 if (IS_PRODUCTION) {
-  const processEnv = {
-    NODE_ENV: JSON.stringify('production'),
-  };
-
-  processEnv.HEAD_COMMIT_SHA = getHeadCommitSHA();
-
   config.devtool = 'source-map';
   config.plugins.push(
     new webpack.NoEmitOnErrorsPlugin(),
@@ -236,7 +209,7 @@ if (IS_PRODUCTION) {
       sourceMap: true
     }),
     new webpack.DefinePlugin({
-      'process.env': processEnv,
+      'process.env': { NODE_ENV: JSON.stringify('production') }
     }),
     new CompressionPlugin({
       asset: '[path].gz[query]',