From f1f578436b83c21ca1d23497b5b320ade5cbf3d6 Mon Sep 17 00:00:00 2001
From: Alfonso Presa <alfonso.presa@gmail.com>
Date: Sat, 4 Jul 2015 10:07:19 +0200
Subject: [PATCH] feat(build): Allow building in windows without admin
 priviledges

Closes #2873
---
 DEVELOPER.md                       |  3 +++
 tools/broccoli/broccoli-replace.ts |  6 +++++-
 tools/build/linknodemodules.js     | 26 ++++++++++++++++++++++++--
 3 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/DEVELOPER.md b/DEVELOPER.md
index e8691edf8a..4f042909e4 100644
--- a/DEVELOPER.md
+++ b/DEVELOPER.md
@@ -181,6 +181,9 @@ Karma is run against the new output.
 much easier to debug. `xit` and `xdescribe` can also be useful to exclude a test and a group of
 tests respectively.
 
+**Note**: **watch mode** needs symlinks to work, so if you're using windows, ensure you have the
+rights to built them in your operating system.
+
 ### E2E tests
 
 1. `$(npm bin)/gulp build.js.cjs` (builds benchpress and tests into `dist/js/cjs` folder).
diff --git a/tools/broccoli/broccoli-replace.ts b/tools/broccoli/broccoli-replace.ts
index b190b52d89..7583dd5b3b 100644
--- a/tools/broccoli/broccoli-replace.ts
+++ b/tools/broccoli/broccoli-replace.ts
@@ -41,7 +41,11 @@ class DiffingReplace implements DiffingBroccoliPlugin {
             });
             fs.writeFileSync(destFilePath, content, FILE_ENCODING);
           } else if (!fs.existsSync(destFilePath)) {
-            fs.symlinkSync(sourceFilePath, destFilePath);
+            try {
+              fs.symlinkSync(sourceFilePath, destFilePath);
+            } catch (e) {
+              fs.writeFileSync(destFilePath, fs.readFileSync(sourceFilePath));
+            }
           }
         });
 
diff --git a/tools/build/linknodemodules.js b/tools/build/linknodemodules.js
index acdc3b3430..8b76c9477f 100644
--- a/tools/build/linknodemodules.js
+++ b/tools/build/linknodemodules.js
@@ -15,12 +15,34 @@ module.exports = function(gulp, plugins, config) {
       var linkDir = path.join(nodeModulesDir, relativeFolder);
       if (!fs.existsSync(linkDir)) {
         console.log('creating link', linkDir, sourceDir);
-        fs.symlinkSync(sourceDir, linkDir, 'dir');
+        try {
+          fs.symlinkSync(sourceDir, linkDir, 'dir');
+        }
+        catch(e) {
+          var sourceDir = path.join(config.dir, relativeFolder);
+          console.log('linking failed: trying to hard copy', linkDir, sourceDir);
+          copyRecursiveSync(sourceDir, linkDir);
+        }
       }
     });
   };
 };
 
+function copyRecursiveSync (src, dest) {
+  if (fs.existsSync(src)) {
+    var stats = fs.statSync(src);
+    if (stats.isDirectory()) {
+      fs.mkdirSync(dest);
+      fs.readdirSync(src).forEach(function(childItemName) {
+        copyRecursiveSync(path.join(src, childItemName),
+                          path.join(dest, childItemName));
+      });
+    } else {
+      fs.writeFileSync(dest, fs.readFileSync(src));
+    }
+  }
+}
+
 function getSubdirs(rootDir) {
   return fs.readdirSync(rootDir).filter(function(file) {
     if (file[0] === '.') {
@@ -29,4 +51,4 @@ function getSubdirs(rootDir) {
     var dirPath = path.join(rootDir, file);
     return fs.statSync(dirPath).isDirectory();
   });
-}
\ No newline at end of file
+}