Use Rails.root.join where appropriate

app/controllers/application_controller.rb

@@ -105,7 +105,7 @@ class ApplicationController < ActionController::Base
   end
   def render_404
-    render file: File.join(Rails.root, "public", "404"), layout: false, status: "404"
+    render file: Rails.root.join("public", "404"), layout: false, status: "404"
   end
   def require_non_empty_project

app/models/merge_request.rb

-require File.join(Rails.root, "app/models/commit")
+require Rails.root.join("app/models/commit")
 class MergeRequest < ActiveRecord::Base
   include IssueCommonality

app/roles/repository.rb

@@ -155,7 +155,7 @@ module Repository
     # Build file path
     file_name = self.code + "-" + commit.id.to_s + ".tar.gz"
-    storage_path = File.join(Rails.root, "tmp", "repositories", self.code)
+    storage_path = Rails.root.join("tmp", "repositories", self.code)
     file_path = File.join(storage_path, file_name)
     # Put files into a directory before archiving

config/initializers/1_settings.rb

@@ -112,7 +112,7 @@ class Settings < Settingslogic
     def backup_path
       t = app['backup_path'] || "backups/"
-      t = /^\//.match(t) ? t : File.join(Rails.root + t)
+      t = /^\//.match(t) ? t : Rails.root .join(t)
       t
     end

db/fixtures/test/001_repo.rb

@@ -3,13 +3,13 @@ require 'fileutils'
 print "Unpacking seed repository..."
 SEED_REPO = 'seed_project.tar.gz'
-REPO_PATH = File.join(Rails.root, 'tmp', 'repositories')
+REPO_PATH = Rails.root.join('tmp', 'repositories')
 # Make whatever directories we need to make
 FileUtils.mkdir_p(REPO_PATH)
 # Copy the archive to the repo path
-FileUtils.cp(File.join(Rails.root, 'spec', SEED_REPO), REPO_PATH)
+FileUtils.cp(Rails.root.join('spec', SEED_REPO), REPO_PATH)
 # chdir to the repo path
 FileUtils.cd(REPO_PATH) do

lib/gitlab/backend/gitolite_config.rb

@@ -10,7 +10,7 @@ module Gitlab
     attr_reader :config_tmp_dir, :ga_repo, :conf
     def config_tmp_dir
-      @config_tmp_dir ||= File.join(Rails.root, 'tmp',"gitlabhq-gitolite-#{Time.now.to_i}")
+      @config_tmp_dir ||= Rails.root.join('tmp',"gitlabhq-gitolite-#{Time.now.to_i}")
     end
     def ga_repo
@@ -19,7 +19,7 @@ module Gitlab
     def apply
       Timeout::timeout(30) do
-        File.open(File.join(Rails.root, 'tmp', "gitlabhq-gitolite.lock"), "w+") do |f|
+        File.open(Rails.root.join('tmp', "gitlabhq-gitolite.lock"), "w+") do |f|
           begin
             # Set exclusive lock
             # to prevent race condition

lib/gitlab/logger.rb

@@ -15,7 +15,7 @@ module Gitlab
     end
     def self.build
-      new(File.join(Rails.root, "log", file_name))
+      new(Rails.root.join("log", file_name))
     end
   end
 end

lib/gitlab/merge.rb

@@ -28,7 +28,7 @@ module Gitlab
     def process
       Grit::Git.with_timeout(30.seconds) do
-        lock_file = File.join(Rails.root, "tmp", "merge_repo_#{project.path}.lock")
+        lock_file = Rails.root.join("tmp", "merge_repo_#{project.path}.lock")
         File.open(lock_file, "w+") do |f|
           f.flock(File::LOCK_EX)
@@ -36,7 +36,7 @@ module Gitlab
           unless project.satellite.exists?
             raise "You should run: rake gitlab:app:enable_automerge"
           end
-          
+
           project.satellite.clear
           Dir.chdir(project.satellite.path) do

lib/gitlab/satellite.rb

 module Gitlab
   class Satellite
-    
+
     PARKING_BRANCH = "__parking_branch"
     attr_accessor :project
@@ -14,7 +14,7 @@ module Gitlab
     end
     def path
-      File.join(Rails.root, "tmp", "repo_satellites", project.path)
+      Rails.root.join("tmp", "repo_satellites", project.path)
     end
     def exists?
@@ -36,6 +36,6 @@ module Gitlab
         end
       end
     end
-    
+
   end
 end

spec/models/project_spec.rb

@@ -125,7 +125,7 @@ describe Project do
   it "should return path to repo" do
     project = Project.new(path: "somewhere")
-    project.path_to_repo.should == File.join(Rails.root, "tmp", "repositories", "somewhere")
+    project.path_to_repo.should == Rails.root.join("tmp", "repositories", "somewhere")
   end
   it "returns the full web URL for this repo" do

spec/support/stubbed_repository.rb

@@ -5,11 +5,11 @@ module StubbedRepository
     if new_record? || path == 'newproject'
       # There are a couple Project specs and features that expect the Project's
       # path to be in the returned path, so let's patronize them.
-      File.join(Rails.root, 'tmp', 'repositories', path)
+      Rails.root.join('tmp', 'repositories', path)
     else
       # For everything else, just give it the path to one of our real seeded
       # repos.
-      File.join(Rails.root, 'tmp', 'repositories', 'gitlabhq')
+      Rails.root.join('tmp', 'repositories', 'gitlabhq')
     end
   end