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Assemble fish's interactive init in Nix, not at runtime

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Fold the done plugin tuning back into config.fish and drop the conf.d
fragment: config.fish is read whole into interactiveShellInit, so Nix
assembles the interactive init at build time instead of fish autoloading
a separate conf.d file. functions/copy.fish stays a function file, the
idiomatic home for a lazily-autoloaded function.
This commit is contained in:
alexion
2026-07-18 18:56:07 -04:00
parent 516245cded
commit 5791903b46
4 changed files with 5 additions and 7 deletions
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.claude/tasks/0005-fish-shell-module.md
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@@ -39,4 +39,4 @@ Configure the plugins natively through home-manager rather than a fish plugin ma
- **Abbreviation-first.** Every non-eza alias is now a `shellAbbr` (the eza `ls` family stays an alias), `preferAbbrs = true`, and `generateCompletions = true` is pinned rather than left to the upstream default.
- **vi command-line editing.** `interactiveShellInit` sets `fish_key_bindings fish_vi_key_bindings`; the `bang-bang` plugin re-binds `!`/`$` in insert mode via its own `--on-variable fish_key_bindings` handler, so the switch keeps them working.
- **Trimmed aliases.** Navigation capped at four dots (`.....`/`......` dropped); `psmem`, `psmem10`, `dir`, `vdir`, and `please` removed.
- **Module directory mirrors `~/.config/fish/`.** The Module lives at `modules/fish/fish.nix` with its hand-written fish laid out as in a real fish config: `config.fish` (interactive init, read into `interactiveShellInit`), `conf.d/done.fish` (the done plugin's tuning, placed as a real conf.d file via `xdg.configFile`), and `functions/copy.fish` (the non-trivial `copy` body, read into the `functions` option). Trivial one-liner functions stay inline in `fish.nix`. `completions/` and `themes/` are omitted because they have no content and git cannot track empty directories. The Auto-loader only collects `.nix`, so every `.fish` file is inert to it.
- **Module directory mirrors `~/.config/fish/`.** The Module lives at `modules/fish/fish.nix` with its hand-written fish laid out as in a real fish config: `config.fish` (the whole interactive init, read into `interactiveShellInit`) and `functions/copy.fish` (the non-trivial `copy` body, read into the `functions` option). Trivial one-liner functions stay inline in `fish.nix`. Everything Nix assembles at build time — nothing of ours is autoloaded from a separate runtime file — so the `done` plugin tuning stays inside `config.fish` rather than a `conf.d` fragment (`conf.d` would only earn its name if fish autoloaded it at runtime). `functions/copy.fish` is the sole exception, because fish autoloads function files lazily and that is the idiomatic home for a function. `completions/`/`themes/`/`conf.d/` are omitted as they hold no content of ours and git cannot track empty directories. The Auto-loader only collects `.nix`, so every `.fish` file is inert to it.