1 files changed, 68 insertions, 0 deletions
diff --git a/lib/gitlab/gitignore.rb b/lib/gitlab/gitignore.rb
new file mode 100644
index 00000000000..a2de2831e38
--- /dev/null
+++ b/lib/gitlab/gitignore.rb
@@ -0,0 +1,68 @@
+module Gitlab
+  class Gitignore
+    FILTER_REGEX = /\.gitignore\z/.freeze
+
+    attr_accessor :name, :directory
+
+    def initialize(name, directory)
+      @name       = name
+      @directory  = directory
+    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(key, directory) : nil
+      end
+
+      def global
+        files_for_folder(global_dir).map { |f| new(f, global_dir) }
+      end
+
+      def languages_frameworks
+        files_for_folder(gitignore_dir).map { |f| new(f, gitignore_dir) }
+      end
+    end
+
+    private
+
+    def path
+      File.expand_path("#{name}.gitignore", directory)
+    end
+
+    class << self
+      def select_directory(file_name)
+        [self.gitignore_dir, self.global_dir].find { |dir| File.exist?(File.expand_path(file_name, dir)) }
+      end
+
+      def global_dir
+        File.expand_path('Global', gitignore_dir)
+      end
+
+      def gitignore_dir
+        File.expand_path('vendor/gitignore', Rails.root)
+      end
+
+      def files_for_folder(dir)
+        gitignores = []
+        Dir.entries(dir).each do |e|
+          next unless e.end_with?('.gitignore')
+
+          gitignores << e.gsub(FILTER_REGEX, '')
+        end
+
+        gitignores
+      end
+    end
+  end
+end