Add public archive download link for GITLAP 6.5

0001-Add-archive-link-of-public-repo.patch

diff --git a/app/controllers/public/repositories_controller.rb b/app/controllers/public/repositories_controller.rb
new file mode 100644
index 0000000..d088a2c
--- /dev/null
+++ b/app/controllers/public/repositories_controller.rb
@@ -0,0 +1,41 @@
+class Public::RepositoriesController < ApplicationController
+  include Gitlab::VisibilityLevel
+
+  skip_before_filter :authenticate_user!, :reject_blocked, :set_current_user_for_observers, :add_abilities
+
+  layout 'public'
+
+  def archive
+    if repository
+      storage_path = Rails.root.join("tmp", "repositories")
+
+      file_path = @repository.archive_repo(params[:ref], storage_path)
+
+      if file_path
+        send_file file_path
+        return
+      end
+    end
+    render_404
+  end
+
+  private
+
+  def public_project
+    id = params[:project_id] || params[:id]
+    @project = Project.find_with_namespace(id)
+
+    if @project && @project.visibility_level == PUBLIC
+      @project
+    else
+      @project = nil
+      render_404
+    end
+  end
+
+  def repository
+    @repository ||= public_project.repository
+  rescue Grit::NoSuchPathError
+    nil
+  end
+end
diff --git a/app/models/project.rb b/app/models/project.rb
index da5f25f..cc25142 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -420,6 +420,10 @@ class Project < ActiveRecord::Base
     [Gitlab.config.gitlab.url, "/", path_with_namespace, ".git"].join('')
   end
 
+  def http_url_to_public_archive
+    http_url = [Gitlab.config.gitlab.url, "/public/", path_with_namespace, "/archive"].join('')
+  end
+
   # Check if current branch name is marked as protected in the system
   def protected_branch? branch_name
     protected_branches_names.include?(branch_name)
diff --git a/app/views/public/projects/index.html.haml b/app/views/public/projects/index.html.haml
index 2fc93c5..a5df4d5 100644
--- a/app/views/public/projects/index.html.haml
+++ b/app/views/public/projects/index.html.haml
@@ -46,6 +46,10 @@
               = internal_icon
               Internal
           .pull-right
+            = link_to public_archive_path(project), class: "btn-small btn" do
+              %i.icon-download-alt
+              Download
+          .pull-right
             %pre.public-clone git clone #{project.http_url_to_repo}
 
         - if project.description.present?
diff --git a/config/routes.rb b/config/routes.rb
index 315c339..cb19385 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -56,7 +56,9 @@ Gitlab::Application.routes.draw do
   # Public namespace
   #
   namespace :public do
-    resources :projects, only: [:index]
+
+    resources :projects, constraints: { project_id: /[a-zA-Z.0-9_\-]+\/[a-zA-Z.0-9_\-]+/ }, only: [:index]
+    get "/:project_id/archive" => "repositories#archive", constraints: { project_id: /[a-zA-Z.0-9_\-]+\/[a-zA-Z.0-9_\-]+/ }, :as => 'archive'
     root to: "projects#index"
   end