Merge branch 'zj-gitignore-dropdown'

5 files changed, 140 insertions, 0 deletions

diff --git a/lib/api/api.rb b/lib/api/api.rb
index 360fb41a721..6cd909f6115 100644
--- a/lib/api/api.rb
+++ b/lib/api/api.rb
@@ -58,5 +58,6 @@ module API
     mount ::API::Runners
     mount ::API::Licenses
     mount ::API::Subscriptions
+    mount ::API::Gitignores
   end
 end
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index 8298e3ad34c..31491cf31dd 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -457,5 +457,13 @@ module API
       expose(:limitations) { |license| license.meta['limitations'] }
       expose :content
     end
+
+    class GitignoresList < Grape::Entity
+      expose :name
+    end
+
+    class Gitignore < Grape::Entity
+      expose :name, :content
+    end
   end
 end
diff --git a/lib/api/gitignores.rb b/lib/api/gitignores.rb
new file mode 100644
index 00000000000..270c9501dd2
--- /dev/null
+++ b/lib/api/gitignores.rb
@@ -0,0 +1,29 @@
+module API
+  class Gitignores < Grape::API
+
+    # Get the list of the available gitignore templates
+    #
+    # Example Request:
+    #   GET /gitignores
+    get 'gitignores' do
+      present Gitlab::Gitignore.all, with: Entities::GitignoresList
+    end
+
+    # Get the text for a specific gitignore
+    #
+    # Parameters:
+    #   name (required) - The name of a license
+    #
+    # Example Request:
+    #   GET /gitignores/Elixir
+    #
+    get 'gitignores/:name' do
+      required_attributes! [:name]
+
+      gitignore = Gitlab::Gitignore.find(params[:name])
+      not_found!('.gitignore') unless gitignore
+
+      present gitignore, with: Entities::Gitignore
+    end
+  end
+end
diff --git a/lib/gitlab/gitignore.rb b/lib/gitlab/gitignore.rb
new file mode 100644
index 00000000000..f46b43b61a4
--- /dev/null
+++ b/lib/gitlab/gitignore.rb
@@ -0,0 +1,56 @@
+module Gitlab
+  class Gitignore
+    FILTER_REGEX = /\.gitignore\z/.freeze
+
+    def initialize(path)
+      @path = path
+    end
+
+    def name
+      File.basename(@path, '.gitignore')
+    end
+
+    def content
+      File.read(@path)
+    end
+
+    class << self
+      def all
+        languages_frameworks + global
+      end
+
+      def find(key)
+        file_name = "#{key}.gitignore"
+
+        directory = select_directory(file_name)
+        directory ? new(File.join(directory, file_name)) : nil
+      end
+
+      def global
+        files_for_folder(global_dir).map { |file| new(File.join(global_dir, file)) }
+      end
+
+      def languages_frameworks
+        files_for_folder(gitignore_dir).map { |file| new(File.join(gitignore_dir, file)) }
+      end
+
+      private
+
+      def select_directory(file_name)
+        [gitignore_dir, global_dir].find { |dir| File.exist?(File.join(dir, file_name)) }
+      end
+
+      def global_dir
+        File.join(gitignore_dir, 'Global')
+      end
+
+      def gitignore_dir
+        Rails.root.join('vendor/gitignore')
+      end
+
+      def files_for_folder(dir)
+        Dir.glob("#{dir.to_s}/*.gitignore").map { |file| file.gsub(FILTER_REGEX, '') }
+      end
+    end
+  end
+end
diff --git a/lib/tasks/gitlab/update_gitignore.rake b/lib/tasks/gitlab/update_gitignore.rake
new file mode 100644
index 00000000000..84aa312002b
--- /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".red
+      return
+    end
+
+    remove_unneeded_files(gitignore_directory)
+    remove_unneeded_files(global_directory)
+
+    puts "Done".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