From 178558973b596d4614957f3a2c61db786398b47b Mon Sep 17 00:00:00 2001
From: jash <jash@schulterklopfer-productions.de>
Date: Mon, 15 Oct 2018 19:21:32 +0200
Subject: [PATCH] made uacomment optional

---
 install/generator-cyphernode/generators/app/index.js     | 9 +++++++++
 .../generators/app/prompters/100_bitcoin.js              | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/install/generator-cyphernode/generators/app/index.js b/install/generator-cyphernode/generators/app/index.js
index 20b0e08..7eab1d1 100644
--- a/install/generator-cyphernode/generators/app/index.js
+++ b/install/generator-cyphernode/generators/app/index.js
@@ -139,6 +139,15 @@ module.exports = class extends Generator {
     return this.props && this.props[name];
   }
 
+  _optional(input,validator) {
+    if( input === undefined || 
+        input === null || 
+        input === '' ) {
+      return true;
+    }
+    return validator(input);
+  }
+
   _ipOrFQDNValidator( host ) {
     host = (host+"").trim();
     if( !(validator.isIP(host) || 
diff --git a/install/generator-cyphernode/generators/app/prompters/100_bitcoin.js b/install/generator-cyphernode/generators/app/prompters/100_bitcoin.js
index 4ed3412..5d4f11e 100644
--- a/install/generator-cyphernode/generators/app/prompters/100_bitcoin.js
+++ b/install/generator-cyphernode/generators/app/prompters/100_bitcoin.js
@@ -77,7 +77,7 @@ module.exports = {
       default: utils._getDefault( 'bitcoin_uacomment' ),
       message: prefix()+'Any UA comment?'+'\n',
       filter: utils._trimFilter,
-      validate: utils._UACommentValidator
+      validate: (input)=> {return utils._optional(input,utils._UACommentValidator) }
     }];
   },
   env: function( props ) {