robobun 2b86ab0cd3 fix(shell): implement long listing format for ls -l builtin (#25991) ...

## Summary
- Implements the `-l` (long listing) flag functionality for the shell
`ls` builtin
- The flag was being parsed but never used - output was identical to
short format
- Now displays proper long listing format: file type, permissions, hard
link count, UID, GID, size, modification time, and filename

## Test plan
- [x] Added regression test in `test/regression/issue/25831.test.ts`
- [x] Test passes with debug build: `bun bd test
test/regression/issue/25831.test.ts`
- [x] Test fails with system bun (confirming the bug exists):
`USE_SYSTEM_BUN=1 bun test test/regression/issue/25831.test.ts`

Example output with fix:
```
$ bun -e 'import { $ } from "bun"; console.log(await $`ls -l`.text())'
drwxr-xr-x   2  1000  1000     4096 Jan 12 15:30 subdir
-rw-r--r--   1  1000  1000       11 Jan 12 15:30 file.txt
```

Fixes #25831

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-14 13:31:06 -08:00

4.6 KiB

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