[Bug 2165437] Re: uutils ls wrongly escapes non-ASCII characters in C.UTF-8 locale

[Simon Johnsson]

This should be fixed on version 0.10.0 on Stonking

** Also affects: rust-coreutils (Ubuntu Resolute)
   Importance: Undecided
       Status: New

** Also affects: rust-coreutils (Ubuntu Stonking)
   Importance: Undecided
       Status: New

** Changed in: rust-coreutils (Ubuntu Stonking)
       Status: New => Fix Released

** Changed in: rust-coreutils (Ubuntu Resolute)
       Status: New => Triaged

** Changed in: rust-coreutils (Ubuntu Resolute)
   Importance: Undecided => Medium

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Title:
  uutils ls wrongly escapes non-ASCII characters in C.UTF-8 locale

Status in rust-coreutils:
  Fix Released
Status in rust-coreutils package in Ubuntu:
  Fix Released
Status in rust-coreutils source package in Resolute:
  Triaged
Status in rust-coreutils source package in Stonking:
  Fix Released

Bug description:
  Refer to the following output for the problem:

  ```text
  brlin at ossii-acer-sl16:~$ ls
  VirtualBoxVMs  Workarounds  snap  下載  公共  圖片  影片  應用軟體  文件  桌面  模本  音樂  點陣圖.png
  brlin at ossii-acer-sl16:~$ LANG=C.UTF-8 ls
   VirtualBoxVMs                   ''$'\346\207\211\347\224\250\350\273\237\351\253\224'
   Workarounds                     ''$'\346\226\207\344\273\266'
   snap                            ''$'\346\241\214\351\235\242'
   ''$'\344\270\213\350\274\211'   ''$'\346\250\241\346\234\254'
   ''$'\345\205\254\345\205\261'   ''$'\351\237\263\346\250\202'
   ''$'\345\234\226\347\211\207'   ''$'\351\273\236\351\231\243\345\234\226''.png'
   ''$'\345\275\261\347\211\207'
  ```

  This bug has been fixed upstream, but we need to backport the fix back
  to Ubuntu 26.04:

  uucore: fix C.UTF-8 locale incorrectly detected as ASCII by mufeedali · Pull Request #12525 · uutils/coreutils
  https://github.com/uutils/coreutils/pull/12525

  ProblemType: Bug
  DistroRelease: Ubuntu 26.04
  Package: rust-coreutils 0.8.0-0ubuntu3
  ProcVersionSignature: Ubuntu 7.0.0-29.29-generic 7.0.12
  Uname: Linux 7.0.0-29-generic x86_64
  ApportVersion: 2.34.1-0ubuntu0.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: KDE
  Date: Fri Aug 28 11:59:42 2026
  InstallationDate: Installed on 2026-07-07 (52 days ago)
  InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release amd64 (20260423.1)
  RebootRequiredPkgs: Error: path contained symlinks.
  SourcePackage: rust-coreutils
  UpgradeStatus: No upgrade log present (probably fresh install)

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