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CC-Switch/src-tauri
Jason 671859748d feat(settings): extend anchored tool upgrades to Windows native paths
Apply macOS-side anchored upgrades (9984eccb) to Windows. Six tools now
upgrade via an absolute path derived from the install actually hit by the
command line, instead of bare `npm i -g` landing on PATH-first npm. WSL
tools explicitly bypass anchoring (Windows-host paths invalid in distro).

Scope: 7+ Windows package managers compress to 3 idioms in practice
(Scoop/Chocolatey/winget/nvm-windows/MS Store all just install node; the
global-package layer is still npm):
- volta  -> <sibling>\volta.exe install <pkg>
- pnpm   -> <sibling>\pnpm.cmd add -g <pkg>@latest
- others -> <sibling>\npm.cmd i -g <pkg>@latest

Cross-platform:
- infer_install_source: add /volta/ (no dot) and /pnpm/ matches so
  %LOCALAPPDATA%\{Volta,pnpm} route correctly.
- parent_dir: recognize both \ and /, take rightmost (Option<usize>
  Ord lets None<Some, so rfind('\\').max(rfind('/')) auto-picks).
- npm_package_for, default_install, installs_anchored_command:
  promoted from cfg(not(windows)) to all-platforms.
- plan_command_for: merged the two cfg branches; Windows+WSL short-
  circuits to wsl_tool_action_shell_command (not static_fallback) so
  the command shown to the user matches what build_tool_action_line
  actually runs.
- ToolInstallation: add #[serde(skip)] real: PathBuf, populated by
  enumerate, read by installs_anchored_command — no more double
  canonicalize, and closes a TOCTOU window between enumerate and anchor.

Windows-only helpers (#[cfg(target_os = "windows")]):
- sibling_bin_with_ext reads fs to pick .cmd vs .exe (Node installer
  drops .cmd, Volta drops .exe; pure string can't disambiguate).
- win_double_quote shared primitive; win_quote_path_for_batch handles
  cmd token-boundary chars (space, &, (, ), ^, ;, <, >, |, ,) by
  wrapping in quotes, and handles `%` via 4x escape (%%%%) to survive
  both .bat parser expansion AND `call`'s own second percent-expansion
  pass (Microsoft `call /?`: "percent (%) expansion is performed on
  each parameter").
- wsl_tool_action_shell_command wraps tool_action_shell_command so
  hermes inside WSL gets python3||python instead of Windows-target
  py||python (py launcher is Windows-only, missing in WSL distros).

Wire-up:
- build_tool_action_line Windows: WSL -> wsl_tool_action_shell_command
  + wsl.exe wrap; native update -> enumerate + anchored + static
  fallback. Everything gets `call ` prefix (.bat needs it for .cmd
  without replacing the current script; harmless for .exe).

Tests: 33 new — 10 platform-agnostic (install_source_classification,
parent_dir_cases) + 23 cfg-gated Windows-only (anchored_upgrade_windows,
windows_helpers). Anchored expected values use a small expect_quoted_path
mirror in the test mod so assertions stay correct on Windows hosts whose
%TEMP% itself contains spaces/special chars (e.g. user accounts named
"John Doe"); the 7 hardcoded-literal win_quote_* unit tests independently
lock the quoting rules themselves, so mirror drift would be caught by
either side.

Limitation: Windows cfg-gated tests don't run on macOS cargo test.
Validated on macOS host: cargo fmt clean, clippy --all-targets 0
warnings, cargo test --lib 1322 passed. Windows CI runs only on release
tag (release.yml has windows-2022); production validation needs cargo
test on a Windows machine before broad rollout.
2026-05-25 22:20:34 +08:00
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