From aa30088f6e02c761722d202bb741b7b51e9ec36e Mon Sep 17 00:00:00 2001
From: Douglas Barbosa Alexandre <dbalexandre@gmail.com>
Date: Wed, 27 Jan 2016 11:42:31 -0200
Subject: [PATCH] Fix old version warning when viewing wiki latest version via
 version_id

---
 app/models/wiki_page.rb       |  2 +-
 spec/models/wiki_page_spec.rb | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/app/models/wiki_page.rb b/app/models/wiki_page.rb
index 2a65f0431c4..dbd70dc5a44 100644
--- a/app/models/wiki_page.rb
+++ b/app/models/wiki_page.rb
@@ -110,7 +110,7 @@ class WikiPage
   # Returns boolean True or False if this instance
   # is an old version of the page.
   def historical?
-    @page.historical?
+    @page.historical? && versions.first.sha != version.sha
   end
 
   # Returns boolean True or False if this instance
diff --git a/spec/models/wiki_page_spec.rb b/spec/models/wiki_page_spec.rb
index c1b03838aa9..ddc49495eda 100644
--- a/spec/models/wiki_page_spec.rb
+++ b/spec/models/wiki_page_spec.rb
@@ -189,6 +189,38 @@ describe WikiPage, models: true do
     end
   end
 
+  describe '#historical?' do
+    before do
+      create_page('Update', 'content')
+      @page = wiki.find_page('Update')
+      3.times { |i| @page.update("content #{i}") }
+    end
+
+    after do
+      destroy_page('Update')
+    end
+
+    it 'returns true when requesting an old version' do
+      old_version = @page.versions.last.to_s
+      old_page = wiki.find_page('Update', old_version)
+
+      expect(old_page.historical?).to eq true
+    end
+
+    it 'returns false when requesting latest version' do
+      latest_version = @page.versions.first.to_s
+      latest_page = wiki.find_page('Update', latest_version)
+
+      expect(latest_page.historical?).to eq false
+    end
+
+    it 'returns false when version is nil' do
+      latest_page = wiki.find_page('Update', nil)
+
+      expect(latest_page.historical?).to eq false
+    end
+  end
+
   private
 
   def remove_temp_repo(path)