From fa7da0ca5dacbc13150033e2192837a0286a610a Mon Sep 17 00:00:00 2001
From: Jeff Cross <middlefloor@gmail.com>
Date: Tue, 30 Jun 2015 14:43:50 -0700
Subject: [PATCH] revert: "build: speed up karma run by passing in list of dist
 files that changed"

This reverts commit 7fc1ee67d18549019214960729fc811886517110.

This commit caused the build to break.
---
 gulpfile.js                          | 18 ------------------
 tools/broccoli/broccoli-dest-copy.ts | 14 --------------
 2 files changed, 32 deletions(-)

diff --git a/gulpfile.js b/gulpfile.js
index 462c52f36d..4af66b12a9 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -416,27 +416,9 @@ gulp.task('docs/angular.io', ['build/clean.docs_angular_io'], function() {
 // CI tests suites
 
 function runKarma(configFile, done) {
-  var fs = require('fs');
-  var path = require('path');
   var cmd = process.platform === 'win32' ? 'node_modules\\.bin\\karma run ' :
                                            'node node_modules/.bin/karma run ';
   cmd += configFile;
-
-  // this file is written into the tmp folder by DestCopy broccoli plugin after each build
-  var karmaArgsPath = path.join('tmp', 'build-log-karma-args.txt');
-
-  if (fs.existsSync(karmaArgsPath)) {
-    var changedFilesArgs = fs.readFileSync(karmaArgsPath, {encoding: 'utf-8'});
-
-    // windows has a limit for the length of the command it can execute, so on win we check the
-    // length of args provide them only if the length is not over the limit.
-    // additionally, the arguments don't help the speedup the initial run, so we can safely ignore
-    // the args when there is lots of them on all platforms
-    if (changedFilesArgs.length > 10 && changedFilesArgs.length + cmd.length < 0x2000) {
-      cmd += changedFilesArgs;
-    }
-  }
-
   exec(cmd, function(e, stdout) {
     // ignore errors, we don't want to fail the build in the interactive (non-ci) mode
     // karma server will print all test failures
diff --git a/tools/broccoli/broccoli-dest-copy.ts b/tools/broccoli/broccoli-dest-copy.ts
index 87152ea7a7..ecfd90a482 100644
--- a/tools/broccoli/broccoli-dest-copy.ts
+++ b/tools/broccoli/broccoli-dest-copy.ts
@@ -30,20 +30,6 @@ class DestCopy implements DiffingBroccoliPlugin {
       // TODO: what about obsolete directories? we are not cleaning those up yet
       fs.unlinkSync(destFilePath);
     });
-
-
-    // Write log of added/changed/removed files to be used when we call `karma run` from gulp.
-    var karmaArgs = '';
-    if (treeDiff.addedPaths.length) {
-      karmaArgs +=  ' --addedFiles ' + treeDiff.addedPaths.join(',');
-    }
-    if (treeDiff.changedPaths.length) {
-      karmaArgs +=  ' --changedFiles ' + treeDiff.changedPaths.join(',');
-    }
-    if (treeDiff.removedPaths.length) {
-      karmaArgs +=  ' --removedFiles ' + treeDiff.removedPaths.join(',')
-    }
-    fs.writeFileSync(path.join('tmp', 'build-log-karma-args.txt'), karmaArgs, {encoding: 'utf-8'});
   }
 }