1 files changed, 46 insertions, 0 deletions
diff --git a/lib/tasks/gitlab/update_gitignore.rake b/lib/tasks/gitlab/update_gitignore.rake
new file mode 100644
index 00000000000..4fd48cccb1d
--- /dev/null
+++ b/lib/tasks/gitlab/update_gitignore.rake
@@ -0,0 +1,46 @@
+namespace :gitlab do
+  desc "GitLab | Update gitignore"
+  task :update_gitignore do
+    unless clone_gitignores
+      puts "Cloning the gitignores failed".color(:red)
+      return
+    end
+
+    remove_unneeded_files(gitignore_directory)
+    remove_unneeded_files(global_directory)
+
+    puts "Done".color(:green)
+  end
+
+  def clone_gitignores
+    FileUtils.rm_rf(gitignore_directory) if Dir.exist?(gitignore_directory)
+    FileUtils.cd vendor_directory
+
+    system('git clone --depth=1 --branch=master https://github.com/github/gitignore.git')
+  end
+
+  # Retain only certain files:
+  # - The LICENSE, because we have to
+  # - The sub dir global
+  # - The gitignores themself
+  # - Dir.entires returns also the entries '.' and '..'
+  def remove_unneeded_files(path)
+    Dir.foreach(path) do |file|
+      FileUtils.rm_rf(File.join(path, file)) unless file =~ /(\.{1,2}|LICENSE|Global|\.gitignore)\z/
+    end
+  end
+
+  private
+
+  def vendor_directory
+    Rails.root.join('vendor')
+  end
+
+  def gitignore_directory
+    File.join(vendor_directory, 'gitignore')
+  end
+
+  def global_directory
+    File.join(gitignore_directory, 'Global')
+  end
+end