File/commit preview not correctly detects cp1251

Created by: blackbass1988

Summary

I'm opening files/commits and see that my files in cp1251 don't correctly rendering

How to reproduce

For example. Take next text: "Тагил!!!" and save this in file in cp1251 encoding. You can use vim (:set fileencoding=cp1251)

Next you must add this file and push it to gitlab for see the result

Expected bahavior

"Тагил!!!" in my file

Observed bahavior

"ﾒ璢齏!!!" instead "Тагил!!!"

Relevant logs and/or screenshots

screenshot

Checks and Version

The check is green and everything works well.


GitLab information
Version:    6.5.1
Revision:   2ffa03a
Directory:  /home/git/gitlab
DB Adapter: mysql2
URL:        https://git.drom.ru
HTTP Clone URL: https://git.drom.ru/some-project.git
SSH Clone URL:  git@git.drom.ru:some-project.git
Using LDAP: no
Using Omniauth: no