path.resolve argv[1] for non-default entrypoint. fixes #671

Author: igorklopov

prelude/bootstrap.js

@@ -53,6 +53,11 @@ if (process.argv[1] !== 'PKG_DUMMY_ENTRYPOINT') {
 
 if (process.env.PKG_EXECPATH === EXECPATH) {
   process.argv.splice(1, 1);
+
+  if (process.argv[1] && process.argv[1] !== '-') {
+    // https://github.com/nodejs/node/blob/1a96d83a223ff9f05f7d942fb84440d323f7b596/lib/internal/bootstrap/node.js#L269
+    process.argv[1] = require('path').resolve(process.argv[1]);
+  }
 } else {
   process.argv[1] = DEFAULT_ENTRYPOINT;
 }

test/test-50-spawn/test-spawn-a-2.js

@@ -2,12 +2,17 @@
 
 'use strict';
 
+var path = require('path');
 var spawn = require('child_process').spawn;
 
+if (process.send) {
+  require('./test-spawn-a-child.js');
+  return;
+}
+
 var child = spawn(
-  process.execPath, [
-    require.resolve('./test-spawn-a-child.js'), 'argvx', '--argvy'
-  ], { stdio: [ 'inherit', 'inherit', 'inherit', 'ipc' ] }
+  process.execPath, [ path.basename(__filename), 'argvx', '--argvy' ],
+  { stdio: [ 'inherit', 'inherit', 'inherit', 'ipc' ] }
 );
 
 child.on('message', function (value) {

test/test-50-spawn/test-spawn-a-3.js

@@ -4,14 +4,10 @@
 
 var spawn = require('child_process').spawn;
 
-if (process.send) {
-  require('./test-spawn-a-child.js');
-  return;
-}
-
 var child = spawn(
-  process.execPath, [ process.argv[1], 'argvx', '--argvy' ],
-  { stdio: [ 'inherit', 'inherit', 'inherit', 'ipc' ] }
+  process.execPath, [
+    require.resolve('./test-spawn-a-child.js'), 'argvx', '--argvy'
+  ], { stdio: [ 'inherit', 'inherit', 'inherit', 'ipc' ] }
 );
 
 child.on('message', function (value) {

test/test-50-spawn/test-spawn-a-4.js

@@ -2,7 +2,6 @@
 
 'use strict';
 
-var path = require('path');
 var spawn = require('child_process').spawn;
 
 if (process.send) {
@@ -11,9 +10,8 @@ if (process.send) {
 }
 
 var child = spawn(
-  process.argv[0], [
-    path.join(process.cwd(), path.basename(__filename)), 'argvx', '--argvy'
-  ], { stdio: [ 'inherit', 'inherit', 'inherit', 'ipc' ] }
+  process.execPath, [ process.argv[1], 'argvx', '--argvy' ],
+  { stdio: [ 'inherit', 'inherit', 'inherit', 'ipc' ] }
 );
 
 child.on('message', function (value) {

test/test-50-spawn/test-spawn-a-5.js

@@ -0,0 +1,28 @@
+#!/usr/bin/env node
+
+'use strict';
+
+var path = require('path');
+var spawn = require('child_process').spawn;
+
+if (process.send) {
+  require('./test-spawn-a-child.js');
+  return;
+}
+
+var child = spawn(
+  process.argv[0], [
+    path.join(process.cwd(), path.basename(__filename)), 'argvx', '--argvy'
+  ], { stdio: [ 'inherit', 'inherit', 'inherit', 'ipc' ] }
+);
+
+child.on('message', function (value) {
+  console.log(value.toString());
+  child.send(value);
+});
+
+child.send(2);
+
+child.on('exit', function (code) {
+  console.log('Child exited with code', code);
+});