ls: add --quoting-style=locale support #8825

naoNao89 · 2025-10-06T00:48:02Z

The ls command didn't support locale-aware filename quoting, making output less readable for non-English users.

Solution: Added --quoting-style=locale option that reads LC_ALL/LC_CTYPE/LANG and applies culturally appropriate quotation marks:

French/Spanish/Russian: « file »
German/Czech: „ file "
Japanese: 「 file 」
Chinese/Korean: " file "
English/default: " file "

Changes:

New Quotes::Locale variant with locale detection module supporting 20+ languages
Enhanced CQuoter to handle multi-byte UTF-8 quote characters
CLI integration and localization (English + French)

Partially addresses #1872.

github-actions · 2025-10-06T01:16:24Z

GNU testsuite comparison:

Skipping an intermittent issue tests/misc/tee (passes in this run but fails in the 'main' branch)
Skipping an intermittent issue tests/timeout/timeout (passes in this run but fails in the 'main' branch)

github-actions · 2025-10-06T01:45:21Z

GNU testsuite comparison:

Skip an intermittent issue tests/misc/tee (fails in this run but passes in the 'main' branch)

github-actions · 2025-10-06T02:39:25Z

GNU testsuite comparison:

Skip an intermittent issue tests/tail/overlay-headers (fails in this run but passes in the 'main' branch)
Skipping an intermittent issue tests/misc/tee (passes in this run but fails in the 'main' branch)
Skipping an intermittent issue tests/timeout/timeout (passes in this run but fails in the 'main' branch)

sylvestre · 2025-10-06T05:52:19Z

same comment, please write the summary yourself

sylvestre · 2025-10-06T05:52:37Z

and needs tests

github-actions · 2025-10-08T07:37:55Z

GNU testsuite comparison:

Skip an intermittent issue tests/tail/overlay-headers (fails in this run but passes in the 'main' branch)
Skipping an intermittent issue tests/timeout/timeout (passes in this run but fails in the 'main' branch)

codspeed-hq · 2025-10-08T08:03:03Z

Merging this PR will not alter performance

✅ 142 untouched benchmarks
⏩ 180 skipped benchmarks¹

_{Comparing naoNao89:feat/ls-quoting-style-locale (01a7377) with main (e697d12)}

180 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

sylvestre · 2025-10-08T11:44:50Z

many jobs are failing

github-actions · 2025-10-08T15:26:51Z

GNU testsuite comparison:

Skip an intermittent issue tests/tail/overlay-headers (fails in this run but passes in the 'main' branch)
Skipping an intermittent issue tests/misc/tee (passes in this run but fails in the 'main' branch)
Skipping an intermittent issue tests/timeout/timeout (passes in this run but fails in the 'main' branch)

github-actions · 2025-10-09T08:26:57Z

GNU testsuite comparison:

Skip an intermittent issue tests/tail/overlay-headers (fails in this run but passes in the 'main' branch)

github-actions · 2025-10-11T01:35:17Z

GNU testsuite comparison:

Skipping an intermittent issue tests/timeout/timeout (passes in this run but fails in the 'main' branch)

RenjiSann · 2025-10-15T22:07:21Z

The changes made to ls are fine with me; however, I'm not comfortable with the way the localization data is handled.
There is code duplication with uucore::i18n, like the function to fetch the env variable and parse the locale.
Moreover, hardcoding the mapping from locale to quote does not follow the mindset of existing localization work, which relies on icu to handle such data.

github-actions · 2025-11-08T11:37:05Z

GNU testsuite comparison:

Skip an intermittent issue tests/tail/overlay-headers (fails in this run but passes in the 'main' branch)

github-actions · 2025-11-08T21:21:47Z

GNU testsuite comparison:

Skipping an intermittent issue tests/misc/tee (passes in this run but fails in the 'main' branch)

github-actions · 2025-11-08T22:11:22Z

GNU testsuite comparison:

Skip an intermittent issue tests/misc/tee (fails in this run but passes in the 'main' branch)

sylvestre · 2025-12-29T14:45:48Z

src/uucore/src/lib/features/quoting_style/locale_quotes.rs

+///
+/// A tuple `(opening_quote, closing_quote)` appropriate for the detected locale.
+/// Returns `('"', '"')` (ASCII double quotes) as a safe default for unknown locales.
+pub fn get_locale_quote_chars() -> (char, char) {


get_locale_quote_chars() reads environment variables on every CQuoter::new() call. For operations listing many files, this could be inefficient. please consider caching.

src/uucore/src/lib/features/quoting_style/c_quoter.rs

sylvestre · 2025-12-30T06:11:51Z

I think you pushed unrelated changes

naoNao89 · 2025-12-30T11:37:54Z

i rebased from the wrong upstream 💀

github-actions · 2025-12-30T13:18:27Z

GNU testsuite comparison:

Skipping an intermittent issue tests/timeout/timeout (passes in this run but fails in the 'main' branch)

…_quote_chars_precedence - Use conditional compilation to disable OnceLock cache in test mode - Production builds maintain performance with OnceLock caching - Test builds read environment variables fresh on each call - Fixes PR uutils#8825 MinRustV CI test failure The test was failing because OnceLock cached the first locale lookup, preventing subsequent test assertions from seeing updated environment variables. Now production code uses #[cfg(not(test))] for cached version and test code uses #[cfg(test)] for fresh reads.

github-actions · 2025-12-31T00:54:24Z

GNU testsuite comparison:

GNU test failed: tests/tty/tty-eof. tests/tty/tty-eof is passing on 'main'. Maybe you have to rebase?
Congrats! The gnu test tests/cp/preserve-gid is no longer failing!

Implement locale-aware quoting for the ls command, allowing filenames to be quoted using locale-specific quotation marks based on the current LC_CTYPE setting. Features: - Add Quotes::Locale variant for locale-aware quoting - Create locale_quotes module with comprehensive locale mappings - Support 20+ languages with appropriate quote characters: * Romance languages (French, Spanish, etc.): guillemets * Germanic languages (German, Czech, etc.): low-9 and high quotes * Japanese: corner brackets * Chinese/Korean: CJK curly quotes * English/default: ASCII double quotes - Proper UTF-8 handling for multi-byte quote characters - Environment variable precedence: LC_ALL > LC_CTYPE > LANG - Localized help text in English and French Implementation: - Enhanced CQuoter to dynamically detect and apply locale quotes - Added --quoting-style=locale CLI option - Follows C-style quoting semantics (always-quote behavior) - Safe fallback to ASCII double quotes for unknown locales - Added spell-checker:ignore comments for technical terms Testing: - Verified with multiple locales (en_US, fr_FR, de_DE, ja_JP, zh_CN) - All existing tests pass - Help text properly localized test(ls): add comprehensive tests for --quoting-style=locale Add test coverage for locale-aware quoting functionality: - Tests 10 different locales with appropriate quotation marks - Verifies English, French, German, Japanese, Chinese, Russian, Spanish, Polish, C, and POSIX locales - Tests escape sequence handling with locale quoting (newline character) - Validates UTF-8 encoding of multi-byte quote characters test(ls): use only CI-available locales in locale quoting test Fix test failures by limiting locale tests to those available in the CI environment. CI only generates en_US.UTF-8, fr_FR.UTF-8, es_ES.UTF-8, and sv_SE.UTF-8. Removed tests for: de_DE, ja_JP, zh_CN, pl_PL, ru_RU.UTF-8 - These locales are not generated in .github/workflows/GnuTests.yml - The locale_quotes module unit tests still validate these quote types - This keeps the integration test CI-friendly while maintaining comprehensive coverage test(ls): add missing tests for locale quoting feature Add missing Quotes::Locale test case in test_quotes_display() to ensure the Display trait implementation is tested for all quote variants. Add comprehensive unit tests for locale_quotes module: - Test locale environment variable precedence (LC_ALL > LC_CTYPE > LANG) - Validate quote character mappings for all supported locales - Ensure Romance, Germanic, Slavic, and Asian language quotes work correctly - Test locale string parsing with encoding and modifiers - Verify fallback behavior for unknown locales This adds 17 unit tests covering the locale detection and quote mapping functionality that was previously untested. test(ls): add integration tests for locale quoting with environment variables Add test_ls_quoting_style_locale_env_vars to verify that --quoting-style=locale correctly responds to different locale environment variables (LC_ALL). Tests verify: - French locale (fr_FR.UTF-8) uses guillemets (« ») - Spanish locale (es_ES.UTF-8) uses guillemets (« ») - Swedish locale (sv_SE.UTF-8) uses ASCII quotes - C locale uses ASCII quotes Note: Environment variable precedence testing (LC_ALL > LC_CTYPE > LANG) is already comprehensively covered in unit tests (locale_quotes.rs). These integration tests focus on end-to-end functionality. fix: address CI failures in locale quoting tests - Add locale/typography terms (CTYPE, Guillemets, guillemets) to spell checker dictionary - Skip newline filename test on Windows where such filenames are invalid optimize locale quoting and clean up code - Optimize locale parsing to avoid multiple string splits and allocations - Use efficient find() operations instead of split() for locale parsing - Remove redundant comments and GNU-specific references for MIT compliance - Clean up documentation to include only essential API documentation - Maintain all functionality while improving performance to fix CodSpeed regression

…_quote_chars_precedence - Use conditional compilation to disable OnceLock cache in test mode - Production builds maintain performance with OnceLock caching - Test builds read environment variables fresh on each call - Fixes PR uutils#8825 MinRustV CI test failure The test was failing because OnceLock cached the first locale lookup, preventing subsequent test assertions from seeing updated environment variables. Now production code uses #[cfg(not(test))] for cached version and test code uses #[cfg(test)] for fresh reads.

github-actions · 2026-01-27T20:55:04Z

GNU testsuite comparison:

GNU test failed: tests/ls/ls-misc. tests/ls/ls-misc is passing on 'main'. Maybe you have to rebase?
Skipping an intermittent issue tests/tty/tty-eof (passes in this run but fails in the 'main' branch)

RenjiSann · 2026-01-28T09:09:15Z

Moreover, hardcoding the mapping from locale to quote does not follow the mindset of existing localization work, which relies on icu to handle such data

This wasn't addressed yet

github-actions · 2026-01-28T11:29:54Z

GNU testsuite comparison:

GNU test failed: tests/ls/ls-misc. tests/ls/ls-misc is passing on 'main'. Maybe you have to rebase?

github-actions · 2026-01-28T16:46:17Z

GNU testsuite comparison:

GNU test failed: tests/ls/ls-misc. tests/ls/ls-misc is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/ls/stat-free-color. tests/ls/stat-free-color is passing on 'main'. Maybe you have to rebase?
Note: The gnu test tests/ls/stat-failed is now being skipped but was previously passing.

github-actions · 2026-01-31T03:06:18Z

GNU testsuite comparison:

GNU test failed: tests/ls/ls-misc. tests/ls/ls-misc is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/ls/stat-free-color. tests/ls/stat-free-color is passing on 'main'. Maybe you have to rebase?
Note: The gnu test tests/ls/stat-failed is now being skipped but was previously passing.

…rrectly - Track closed state for output writers to stop writing to them when the underlying process/file is closed - Ensure all files are created when not in elide-empty-files mode, even if no data is written - Flush writers in round-robin mode to ensure data is sent to filter processes immediately - Add integration tests for round-robin filtering and early closure handling

github-actions · 2026-01-31T03:28:16Z

GNU testsuite comparison:

GNU test failed: tests/ls/ls-misc. tests/ls/ls-misc is passing on 'main'. Maybe you have to rebase?
Skip an intermittent issue tests/shuf/shuf-reservoir (fails in this run but passes in the 'main' branch)
Skip an intermittent issue tests/sort/sort-stale-thread-mem (fails in this run but passes in the 'main' branch)

naoNao89 force-pushed the feat/ls-quoting-style-locale branch from 149b5e8 to c25f9cd Compare October 6, 2025 00:53

naoNao89 force-pushed the feat/ls-quoting-style-locale branch from 532b9f4 to c25f9cd Compare October 6, 2025 02:18

naoNao89 force-pushed the feat/ls-quoting-style-locale branch from 2279a7a to 51bcdfe Compare October 9, 2025 07:48

naoNao89 marked this pull request as ready for review October 11, 2025 19:28

naoNao89 closed this by deleting the head repository Nov 6, 2025

naoNao89 reopened this Nov 8, 2025

naoNao89 force-pushed the feat/ls-quoting-style-locale branch 2 times, most recently from c460664 to 0b8aefd Compare November 8, 2025 21:50

sylvestre reviewed Dec 29, 2025

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src/uucore/src/lib/features/quoting_style/c_quoter.rs Outdated Show resolved Hide resolved

sylvestre reviewed Dec 29, 2025

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naoNao89 force-pushed the feat/ls-quoting-style-locale branch from 0b8aefd to 073b7bc Compare December 29, 2025 23:28

naoNao89 force-pushed the feat/ls-quoting-style-locale branch from 073b7bc to 27cd0ac Compare December 30, 2025 11:36

naoNao89 force-pushed the feat/ls-quoting-style-locale branch from 27cd0ac to f926ab2 Compare December 30, 2025 23:57

naoNao89 added 2 commits January 27, 2026 20:31

naoNao89 force-pushed the feat/ls-quoting-style-locale branch from f926ab2 to 5e64120 Compare January 27, 2026 20:34

naoNao89 marked this pull request as draft January 29, 2026 06:32

naoNao89 force-pushed the feat/ls-quoting-style-locale branch from 9261d3f to 66346b2 Compare January 31, 2026 02:57

naoNao89 force-pushed the feat/ls-quoting-style-locale branch from 66346b2 to 01a7377 Compare January 31, 2026 03:14

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