error in generating files with None English characters in it.

[platoali]

Describe the bug

I have in my routes, files with persian characters in them. for example :

photo/2021-08-16___پشت کریمخانی.html
The site is OK in live server. but it refuses to generate these files in files system.

here is my prism'

prism'
        (\photo -> "photo/" <> showDay (phDate photo)
          <> "___" <> phTitle photo
          <> ".html")
        (\path -> do
          p <- stripPrefix "photo/" path
          index <- extractTitleDate p
          lookup index  $ modelPhotos m)

when I try to generate the site:

❯ nix build .#site

> [Info#ema.generate] W /nix/store/xf217fn6icapqiacvkckzv1247v5wsf6-site/photo/2021-08-16___پشت کریمخانی.html
> ema-template: /nix/store/xf217fn6icapqiacvkckzv1247v5wsf6-site/photo/2021-08-16___ .html: withBinaryFile: invalid argument (cannot encode character '\1662')

To Reproduce
Steps to reproduce the behavior:

1. have a file name with none English characters
2. try to generate with nix build .#site
3. it refuses to generate html file.

Expected behavior
it should generate file with none English characters.

Desktop (please complete the following information):

• linux
• hyprland
• firefox
• nixos

Additional context
site is Ok when tested on live server.

[platoali]

I have created a pull request.. that solve this by changing locale in nix build script to UTF8.