From dc000a55d3752e95244c1e015d6e849d301d8c07 Mon Sep 17 00:00:00 2001
From: cjihrig <cjihrig@gmail.com>
Date: Fri, 26 Jan 2018 14:16:20 -0500
Subject: [PATCH] cluster: add cwd to cluster.settings

This commit allows cluster workers to be created with
configurable working directories.

Fixes: https://github.com/nodejs/node/issues/16388
PR-URL: https://github.com/nodejs/node/pull/18399
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
---
 doc/api/cluster.md                |  2 ++
 lib/internal/cluster/master.js    |  1 +
 test/parallel/test-cluster-cwd.js | 23 +++++++++++++++++++++++
 3 files changed, 26 insertions(+)
 create mode 100644 test/parallel/test-cluster-cwd.js

diff --git a/doc/api/cluster.md b/doc/api/cluster.md
index 0a3676cb26f71b..8a5f816d747474 100644
--- a/doc/api/cluster.md
+++ b/doc/api/cluster.md
@@ -745,6 +745,8 @@ changes:
   * `exec` {string} File path to worker file. **Default:** `process.argv[1]`
   * `args` {Array} String arguments passed to worker.
     **Default:** `process.argv.slice(2)`
+  * `cwd` {string} Current working directory of the worker process. **Default:**
+    `undefined` (inherits from parent process)
   * `silent` {boolean} Whether or not to send output to parent's stdio.
     **Default:** `false`
   * `stdio` {Array} Configures the stdio of forked processes. Because the
diff --git a/lib/internal/cluster/master.js b/lib/internal/cluster/master.js
index aa349f8e1afbd7..3c6a398f117433 100644
--- a/lib/internal/cluster/master.js
+++ b/lib/internal/cluster/master.js
@@ -129,6 +129,7 @@ function createWorkerProcess(id, env) {
   }
 
   return fork(cluster.settings.exec, cluster.settings.args, {
+    cwd: cluster.settings.cwd,
     env: workerEnv,
     silent: cluster.settings.silent,
     windowsHide: cluster.settings.windowsHide,
diff --git a/test/parallel/test-cluster-cwd.js b/test/parallel/test-cluster-cwd.js
new file mode 100644
index 00000000000000..e3facfedfe856e
--- /dev/null
+++ b/test/parallel/test-cluster-cwd.js
@@ -0,0 +1,23 @@
+'use strict';
+const common = require('../common');
+const tmpdir = require('../common/tmpdir');
+const assert = require('assert');
+const cluster = require('cluster');
+
+if (cluster.isMaster) {
+  tmpdir.refresh();
+
+  assert.strictEqual(cluster.settings.cwd, undefined);
+  cluster.fork().on('message', common.mustCall((msg) => {
+    assert.strictEqual(msg, process.cwd());
+  }));
+
+  cluster.setupMaster({ cwd: tmpdir.path });
+  assert.strictEqual(cluster.settings.cwd, tmpdir.path);
+  cluster.fork().on('message', common.mustCall((msg) => {
+    assert.strictEqual(msg, tmpdir.path);
+  }));
+} else {
+  process.send(process.cwd());
+  process.disconnect();
+}