feature API call to download repo archive

defaults to HEAD

Conflicts:
	spec/requests/api/repositories_spec.rb

Change-Id: Id114aca6c59d75f18e49bf9f33809a04e010bfb6

doc/api/repositories.md

@@ -356,3 +356,16 @@ Parameters:
 + `id` (required) - The ID of a project
 + `sha` (required) - The commit or branch name
 + `filepath` (required) - The path the file
+
+
+## Get file archive
+
+Get a an archive of the repository
+
+```
+GET /projects/:id/repository/archive
+```
+
+Parameters:
++ `id` (required) - The ID of a project
++ `sha` (optional) - The commit or branch name

lib/api/repositories.rb

@@ -144,7 +144,7 @@ module API
         trees = []
 
         %w(trees blobs submodules).each do |type|
-          trees += tree.send(type).map { |t| { name: t.name, type: type.singularize, mode: t.mode, id: t.id } }
+          trees += tree.send(type).map { |t| {name: t.name, type: type.singularize, mode: t.mode, id: t.id} }
         end
 
         trees
@@ -176,6 +176,30 @@ module API
         content_type blob.mime_type
         present blob.data
       end
+
+      # Get a an archive of the repository
+      #
+      # Parameters:
+      #   id (required) - The ID of a project
+      #   sha (optional) - the commit sha to download defaults to head
+      # Example Request:
+      #   GET /projects/:id/repository/archive
+      get ":id/repository/archive" do
+        authorize! :download_code, user_project
+        repo = user_project.repository
+        ref = params[:sha]
+        storage_path = Rails.root.join("tmp", "repositories")
+
+        file_path = repo.archive_repo(ref || 'HEAD', storage_path)
+        if file_path
+          data = File.open(file_path).read
+          content_type 'application/x-gzip'
+          header "Content-Disposition:"," infile; filename=\"#{File.basename(file_path)}\""
+          present data
+        else
+          not_found!
+        end
+      end
     end
   end
 end

spec/requests/api/repositories_spec.rb

@@ -225,4 +225,15 @@ describe API::API do
     end
   end
 
+  describe "GET /projects/:id/repository/archive/:sha" do
+    it "should get the archive" do
+      get api("/projects/#{project.id}/repository/archive", user)
+      response.status.should == 200
+    end
+
+    it "should return 404 for invalid sha" do
+      get api("/projects/#{project.id}/repository/archive/?sha=xxx", user)
+      response.status.should == 404
+    end
+  end
 end