From 99f969b930ebbb5665dcce6641b79ce5377f199b Mon Sep 17 00:00:00 2001
From: zodern <zodern@users.noreply.github.com>
Date: Mon, 31 Dec 2018 21:46:52 -0600
Subject: [PATCH] Do not calculate rebuild dirs in "meteor run" It is never
 used in the bundles created by "meteor run", and adds 0.5 - 1.5 seconds per
 build for smaller apps.

---
 tools/isobuild/bundler.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/isobuild/bundler.js b/tools/isobuild/bundler.js
index 7cced55f7a..4e7e028a51 100644
--- a/tools/isobuild/bundler.js
+++ b/tools/isobuild/bundler.js
@@ -2420,7 +2420,9 @@ class JsImage {
     _.each(nodeModulesDirectories, function (nmd) {
       assert.strictEqual(typeof nmd.preferredBundlePath, "string");
 
-      if (! nmd.isPortable()) {
+      // Skip calculating isPortable in 'meteor run' since the
+      // modules are never rebuilt
+      if (includeNodeModules !== 'symlink' && !nmd.isPortable()) {
         const parentDir = files.pathDirname(nmd.preferredBundlePath);
         rebuildDirs[parentDir] = parentDir;
       }