From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samuel Attard <sattard@slack-corp.com>
Date: Wed, 22 May 2019 13:34:18 -0700
Subject: chore: allow the node entrypoint to be a builtin_module

This allows embedders to tell Node.js what the first "real" file is  when
they use themselves as the entry point. We should try to upstream some form
of this.

diff --git a/lib/internal/modules/cjs/loader.js b/lib/internal/modules/cjs/loader.js
index 207142322bba89e94f4e3052a22bef6ffebcdc39..c83d8b0db630d3fc26fb273170945c872bede091 100644
--- a/lib/internal/modules/cjs/loader.js
+++ b/lib/internal/modules/cjs/loader.js
@@ -1200,6 +1200,13 @@ Module.prototype._compile = function(content, filename) {
   if (getOptionValue('--inspect-brk') && process._eval == null) {
     if (!resolvedArgv) {
       // We enter the repl if we're not given a filename argument.
+      // process._firstFileName is used by Embedders to tell node what
+      // the first "real" file is when they use themselves as the entry
+      // point
+      if (process._firstFileName) {
+        resolvedArgv = process._firstFileName
+        delete process._firstFileName
+      } else
       if (process.argv[1]) {
         try {
           resolvedArgv = Module._resolveFilename(process.argv[1], null, false);
diff --git a/lib/internal/process/pre_execution.js b/lib/internal/process/pre_execution.js
index 1c529f062cd3ec79643ae8c946e2ed0faac336fb..c4fe744be1c26c2306e843031192d88f977cd46c 100644
--- a/lib/internal/process/pre_execution.js
+++ b/lib/internal/process/pre_execution.js
@@ -157,11 +157,13 @@ function patchProcessObject(expandArgv1) {
   if (expandArgv1 && process.argv[1] &&
       !StringPrototypeStartsWith(process.argv[1], '-')) {
     // Expand process.argv[1] into a full path.
-    const path = require('path');
-    try {
-      process.argv[1] = path.resolve(process.argv[1]);
-    } catch {
-      // Continue regardless of error.
+    if (!process.argv[1] || !process.argv[1].startsWith('electron/js2c')) {
+      const path = require('path');
+      try {
+        process.argv[1] = path.resolve(process.argv[1]);
+      } catch {
+        // Continue regardless of error.
+      }
     }
   }
 
