Convert CRLF newlines to LF when committing using the web editor.

CHANGELOG

@@ -8,6 +8,7 @@ v 7.13.0 (unreleased)
   - Rename "Design" profile settings page to "Preferences".
   - Allow users to customize their default Dashboard page.
   - Update ssl_ciphers in Nginx example to remove DHE settings. This will deny forward secrecy for Android 2.3.7, Java 6 and OpenSSL 0.9.8
+  - Convert CRLF newlines to LF when committing using the web editor.
 v 7.12.0 (unreleased)
   - Fix Error 500 when one user attempts to access a personal, internal snippet (Stan Hu)

app/models/repository.rb

@@ -5,8 +5,13 @@ class Repository
   def initialize(path_with_namespace, default_branch = nil, project = nil)
     @path_with_namespace = path_with_namespace
-    @raw_repository = Gitlab::Git::Repository.new(path_to_repo) if path_with_namespace
     @project = project
+
+    if path_with_namespace
+      @raw_repository = Gitlab::Git::Repository.new(path_to_repo) 
+      @raw_repository.autocrlf = :input
+    end
+
   rescue Gitlab::Git::Repository::NoRepository
     nil
   end