From e29ff3c3a9e6fa472fe82784999d40fa2edc92b4 Mon Sep 17 00:00:00 2001
From: Petr Korolev <sky4winder@gmail.com>
Date: Mon, 15 Dec 2014 15:54:11 +0200
Subject: [PATCH] fix crash when user in NULL

---
 lib/github_changelog_generator/generator.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/github_changelog_generator/generator.rb b/lib/github_changelog_generator/generator.rb
index 6918db8..5680f41 100644
--- a/lib/github_changelog_generator/generator.rb
+++ b/lib/github_changelog_generator/generator.rb
@@ -10,7 +10,11 @@ module GitHubChangelogGenerator
 
       merge = "#{@options[:merge_prefix]}#{encapsulated_title} [\\##{pull_request[:number]}](#{pull_request.html_url})"
       if @options[:author]
-        merge += " ([#{pull_request.user.login}](#{pull_request.user.html_url}))\n\n"
+        if !pull_request.user.nil?
+          merge += " ([#{pull_request.user.login}](#{pull_request.user.html_url}))\n\n"
+        else
+          merge += " ({Null user})\n\n"
+        end
       else
         merge += "\n\n"
       end