Show VERSION information on project sidebar

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/models/repository.rb

@@ -128,6 +128,7 @@ class Repository
     Rails.cache.delete(cache_key(:commit_count))
     Rails.cache.delete(cache_key(:graph_log))
     Rails.cache.delete(cache_key(:readme))
+    Rails.cache.delete(cache_key(:version))
     Rails.cache.delete(cache_key(:contribution_guide))
   end
 
@@ -156,12 +157,24 @@ class Repository
     Gitlab::Git::Blob.find(self, sha, path)
   end
 
+  def blob_by_oid(oid)
+    Gitlab::Git::Blob.raw(self, oid)
+  end
+
   def readme
     Rails.cache.fetch(cache_key(:readme)) do
       tree(:head).readme
     end
   end
 
+  def version
+    Rails.cache.fetch(cache_key(:version)) do
+      tree(:head).blobs.find do |file|
+        file.name.downcase == 'version'
+      end
+    end
+  end
+
   def contribution_guide
     Rails.cache.fetch(cache_key(:contribution_guide)) do
       tree(:head).contribution_guide

app/views/projects/show.html.haml

@@ -44,6 +44,12 @@
           = link_to project_blob_path(@project, tree_join(@repository.root_ref, readme.name)), class: 'btn btn-block' do
             = readme.name
 
+        - if @repository.version
+          - version = @repository.version
+          = link_to project_blob_path(@project, tree_join(@repository.root_ref, version.name)), class: 'btn btn-block' do
+            Version:
+            = @repository.blob_by_oid(version.id).data
+
     .prepend-top-10
       %p
         %span.light Created on

features/project/project.feature

@@ -24,3 +24,8 @@ Feature: Project Feature
     When I visit edit project "Shop" page
     And change project path settings
     Then I should see project with new path settings
+
+  Scenario: I should see project readme and version
+    When I visit project "Shop" page
+    Then I should see project "Shop" README link
+    And I should see project "Shop" version

features/steps/project/project.rb

@@ -24,4 +24,16 @@ class ProjectFeature < Spinach::FeatureSteps
   step 'I should see project with new path settings' do
     project.path.should == "new-path"
   end
+
+  step 'I should see project "Shop" README link' do
+    within '.project-side' do
+      page.should have_content "README.md"
+    end
+  end
+
+  step 'I should see project "Shop" version' do
+    within '.project-side' do
+      page.should have_content "Version: 2.2.0"
+    end
+  end
 end