From 51de362938ae1d310340ccf72d2bf702c96644ca Mon Sep 17 00:00:00 2001
From: Jessie France <FranceJessieJ@gmail.com>
Date: Thu, 24 Jun 2021 14:12:59 -0600
Subject: [PATCH 1/3] feat: expose error code

---
 README.md        |  5 +++++
 shell.js         |  3 +++
 src/errorCode.js | 10 ++++++++++
 3 files changed, 18 insertions(+)
 create mode 100644 src/errorCode.js

diff --git a/README.md b/README.md
index 74b3df953..b3ad3e2a7 100644
--- a/README.md
+++ b/README.md
@@ -742,6 +742,11 @@ return value to be an error message. If you need the last error message, use
 the `.stderr` attribute from the last command's return value instead.
 
 
+### errorCode()
+
+Returns the error code from the last command.
+
+
 ### ShellString(str)
 
 Examples:
diff --git a/shell.js b/shell.js
index e4c1c5df1..acc770325 100644
--- a/shell.js
+++ b/shell.js
@@ -34,6 +34,9 @@ exports.exit = process.exit;
 //@include ./src/error.js
 exports.error = require('./src/error');
 
+//@include ./src/errorCode.js
+exports.errorCode = require('./src/errorCode');
+
 //@include ./src/common.js
 exports.ShellString = common.ShellString;
 
diff --git a/src/errorCode.js b/src/errorCode.js
new file mode 100644
index 000000000..a1c7fd23f
--- /dev/null
+++ b/src/errorCode.js
@@ -0,0 +1,10 @@
+var common = require('./common');
+
+//@
+//@ ### errorCode()
+//@
+//@ Returns the error code from the last command.
+function errorCode() {
+  return common.state.errorCode;
+}
+module.exports = errorCode;

From f4c96433e7e4beb7f21f95efcacda8c5fd719685 Mon Sep 17 00:00:00 2001
From: Jessie France <FranceJessieJ@gmail.com>
Date: Thu, 24 Jun 2021 14:13:49 -0600
Subject: [PATCH 2/3] use errorCode() in a test

---
 test/grep.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/grep.js b/test/grep.js
index 8f6a0c6a8..d5e696cad 100644
--- a/test/grep.js
+++ b/test/grep.js
@@ -24,6 +24,7 @@ test('no args', t => {
   const result = shell.grep();
   t.truthy(shell.error());
   t.is(result.code, 2);
+  t.is(shell.errorCode(), 2);
 });
 
 test('too few args', t => {

From 90e8c8cc8e56fe118c33cd7e97c9d4cf62f4c12b Mon Sep 17 00:00:00 2001
From: Jessie France <FranceJessieJ@gmail.com>
Date: Wed, 7 Jul 2021 10:54:12 -0600
Subject: [PATCH 3/3] test(errorCode): test for when code is 0

---
 test/ls.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/ls.js b/test/ls.js
index 0163f6f73..987ecf763 100644
--- a/test/ls.js
+++ b/test/ls.js
@@ -40,6 +40,7 @@ test('it\'s ok to use no arguments', t => {
   const result = shell.ls();
   t.falsy(shell.error());
   t.is(result.code, 0);
+  t.is(shell.errorCode(), 0);
 });
 
 test('root directory', t => {