Update exit code for scenarios that call showHelp to return 2 (linting not completed) instead of 1 (linting completed with errors).

Author: DavidAnson

markdownlint-cli2.js

@@ -862,7 +862,7 @@ const main = async (params) => {
     );
   if ((globPatterns.length === 0) && !nonFileContents) {
     showHelp(logMessage);
-    return 1;
+    return 2;
   }
   // Include any file overrides or non-file content
   const resolvedFileContents = {};

test/markdownlint-cli2-test-cases.js

@@ -118,15 +118,15 @@ const testCases =
   testCase({
     "name": "no-arguments",
     "args": [],
-    "exitCode": 1,
+    "exitCode": 2,
     "cwd": "no-config"
   });
 
   testCase({
     "name": "no-arguments-fix",
     "script": "markdownlint-cli2-fix.js",
     "args": [],
-    "exitCode": 1,
+    "exitCode": 2,
     "cwd": "no-config",
     "usesScript": true
   });
@@ -135,7 +135,7 @@ const testCases =
     "name": "no-arguments-config",
     "script": "markdownlint-cli2-config.js",
     "args": [],
-    "exitCode": 1,
+    "exitCode": 2,
     "cwd": "no-config",
     "usesScript": true
   });
@@ -144,7 +144,7 @@ const testCases =
     "name": "one-argument-config",
     "script": "markdownlint-cli2-config.js",
     "args": [ "../config-files/cfg/.markdownlint-cli2.jsonc" ],
-    "exitCode": 1,
+    "exitCode": 2,
     "cwd": "no-config",
     "usesScript": true
   });

test/snapshots/markdownlint-cli2-test-exec.js.md

@@ -9,7 +9,7 @@ Generated by [AVA](https://avajs.dev).
 > Snapshot 1
 
     {
-      exitCode: 1,
+      exitCode: 2,
       formatterCodeQuality: '',
       formatterJson: '',
       formatterJunit: '',
@@ -59,7 +59,7 @@ Generated by [AVA](https://avajs.dev).
 > Snapshot 1
 
     {
-      exitCode: 1,
+      exitCode: 2,
       formatterCodeQuality: '',
       formatterJson: '',
       formatterJunit: '',
@@ -109,7 +109,7 @@ Generated by [AVA](https://avajs.dev).
 > Snapshot 1
 
     {
-      exitCode: 1,
+      exitCode: 2,
       formatterCodeQuality: '',
       formatterJson: '',
       formatterJunit: '',
@@ -159,7 +159,7 @@ Generated by [AVA](https://avajs.dev).
 > Snapshot 1
 
     {
-      exitCode: 1,
+      exitCode: 2,
       formatterCodeQuality: '',
       formatterJson: '',
       formatterJunit: '',

test/snapshots/markdownlint-cli2-test-exec.js.snap

@@ -9,7 +9,7 @@ Generated by [AVA](https://avajs.dev).
 > Snapshot 1
 
     {
-      exitCode: 1,
+      exitCode: 2,
       formatterCodeQuality: '',
       formatterJson: '',
       formatterJunit: '',

test/snapshots/markdownlint-cli2-test-fs.js.md

@@ -9,7 +9,7 @@ Generated by [AVA](https://avajs.dev).
 > Snapshot 1
 
     {
-      exitCode: 1,
+      exitCode: 2,
       formatterCodeQuality: '',
       formatterJson: '',
       formatterJunit: '',