From 2365feb28bb4874744c859edaf42115187d21886 Mon Sep 17 00:00:00 2001
From: Dan Allen <dan.j.allen@gmail.com>
Date: Thu, 4 Jan 2018 23:40:14 -0700
Subject: [PATCH 1/3] resolves #739 add parent command as prefix of subcommand

---
 index.js                   | 5 ++++-
 test/test.command.usage.js | 8 ++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)
 create mode 100644 test/test.command.usage.js

diff --git a/index.js b/index.js
index cb82f55b9..115ce9476 100644
--- a/index.js
+++ b/index.js
@@ -1031,9 +1031,12 @@ Command.prototype.helpInformation = function() {
   if (this._alias) {
     cmdName = cmdName + '|' + this._alias;
   }
+  var ancestor = this
+  var prefix = []
+  while ((ancestor = ancestor.parent)) prefix.push(ancestor.name() + ' ')
   var usage = [
     ''
-    ,'  Usage: ' + cmdName + ' ' + this.usage()
+    ,'  Usage: ' + prefix.join('') + cmdName + ' ' + this.usage()
     , ''
   ];
 
diff --git a/test/test.command.usage.js b/test/test.command.usage.js
new file mode 100644
index 000000000..fcfd39ec8
--- /dev/null
+++ b/test/test.command.usage.js
@@ -0,0 +1,8 @@
+var program = require('../')
+  , should = require('should');
+
+program
+  .name('test')
+  .command('info [options]')
+
+program.commands[0].helpInformation().should.startWith('\n  Usage: test info [options]')

From cd6e6085c426fcc8815bac8247bc86a4757caa0b Mon Sep 17 00:00:00 2001
From: John Gee <john@ruru.gen.nz>
Date: Sun, 23 Jun 2019 19:43:58 +1200
Subject: [PATCH 2/3] Fix order of nested parent commands in help

- fix multiple parent order (although multiple levels not yet supported)
- without using any new javascript features
---
 index.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/index.js b/index.js
index 2be52ff9d..5380a4a58 100644
--- a/index.js
+++ b/index.js
@@ -1116,11 +1116,12 @@ Command.prototype.helpInformation = function() {
   if (this._alias) {
     cmdName = cmdName + '|' + this._alias;
   }
-  var ancestor = this;
-  var prefix = [];
-  while ((ancestor = ancestor.parent)) prefix.push(ancestor.name() + ' ');
+  var parentCmdNames = '';
+  for (var parentCmd = this.parent; parentCmd; parentCmd = parentCmd.parent) {
+    parentCmdNames = parentCmd.name() + ' ' + parentCmdNames;
+  }
   var usage = [
-    'Usage: ' + prefix.join('') + cmdName + ' ' + this.usage(),
+    'Usage: ' + parentCmdNames + cmdName + ' ' + this.usage(),
     ''
   ];
 

From 5eefd9e732cc223ce2236848fc71270e836a5aef Mon Sep 17 00:00:00 2001
From: John Gee <john@ruru.gen.nz>
Date: Sun, 23 Jun 2019 19:51:08 +1200
Subject: [PATCH 3/3] Fix new test for latest help style

---
 test/test.command.usage.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/test.command.usage.js b/test/test.command.usage.js
index fcfd39ec8..f7c9d69db 100644
--- a/test/test.command.usage.js
+++ b/test/test.command.usage.js
@@ -5,4 +5,4 @@ program
   .name('test')
   .command('info [options]')
 
-program.commands[0].helpInformation().should.startWith('\n  Usage: test info [options]')
+program.commands[0].helpInformation().should.startWith('Usage: test info [options]')