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security(home): drop all neovim plugins to shrink supply-chain exposure (#259)
* chore(home): drop AstroNvim bundle and centralize editors Remove the bundled Neovim plugin tree to shrink supply-chain exposure; keep a minimal programs.neovim backup. Daily editing stays Helix-first with Yazi and Zellij. - Add Helix/Neovim docs, glossary, and cheatsheets under core/editors/. - Default EDITOR/VISUAL to hx; use SUDO_EDITOR nvim --clean for sudoedit and other sensitive edits; adjust Nushell buffer_editor accordingly. - Apply Helix Home Manager settings (keys, editor UI) in core/editors/helix. - Keep heavy language-server tooling only in home/base/tui/editors/packages.nix; wire it via an explicit default.nix import so core stays lightweight. - Extend modules/base packages.nix where that profile sets global editor env. * docs: link editors, VS Code, and agents from README Document tui/editors versus core/editors; add root README pointers to GUI vscode (Home Manager) and agents/. Cross-link heavy packages README from core/editors.
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Ryan Yin
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# Neovim (backup) — vim-style usage
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Primary day-to-day editing is **Helix**; this file is the **vim/Neovim** quick reference and doc
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pointers for when you reach for Neovim as a backup.
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## Tips
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1. Many motions already exist in vim — check vim/Neovim docs before adding plugins or reinventing
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wheels.
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1. For deeper skill, read the official docs:
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1. <https://vimhelp.org/> — vim help.
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1. <https://neovim.io/doc/user/> — Neovim user manual.
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1. Prefer **Zellij** for shells and panes; use **Helix** or **Neovim** for buffers and text.
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1. Two powerful navigation modes on large codebases:
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1. **By path** — when you know the tree layout.
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1. **By content** — when you know what the code says.
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## Tutorial
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Type `:tutor` (or `:Tutor` in Neovim) for the built-in vim tutorial.
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## Vim cheatsheet (common keys)
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> For a fuller reference: <https://vimhelp.org/quickref.txt.html>
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Emacs Evil, Neovim, and vim share the motions below.
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### Terminal related
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Zellij shortcuts used often:
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| Action | Zellij shortcut |
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| ------------------------- | --------------- |
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| Floating terminal | `Ctrl + p + w` |
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| Horizontal split terminal | `Ctrl + p + d` |
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| Vertical split terminal | `Ctrl + p + n` |
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| Run a shell command | `!xxx` |
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### File management
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> <https://neovim.io/doc/user/usr_22.html>
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> <https://vimhelp.org/editing.txt.html>
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| Action | Command |
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| ----------------------------- | -------------------------------------------- |
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| Save selection to a file | `:w filename` (shows `:'<,'>w filename`) |
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| Save and close current buffer | `:wq` |
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| Save all buffers | `:wa` |
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| Save and close all buffers | `:wqa` |
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| Edit a file | `:e filename` (or `:e <TAB>` for completion) |
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| Browse files | `:Ex` or `:e .` |
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| Discard changes and reload | `:e!` |
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### Motion
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> <https://vimhelp.org/motion.txt.html>
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| Action | Command |
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| ----------------------------------- | --------------------------------------- |
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| Start / end of buffer | `gg` / `G` |
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| Go to line 5 | `5gg` / `5G` |
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| Left / down / up / right | `h` `j` `k` `l` (counts like `5j` work) |
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| Jump to matchpairs `()`, `{}`, `[]` | `%` |
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| Start / end of line | `0` / `$` |
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| Sentence forward / backward | `(` / `)` |
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| Paragraph forward / backward | `{` / `}` |
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| Section forward / backward | `[[` / `]]` |
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| Jump to marks | `'` + mark (Neovim may prompt) |
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Text objects:
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- **Sentence**: ends at `.` `!` `?` plus line end or space/tab.
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- **Paragraph**: ends at a blank line.
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- **Section**: between section headers; `[[` / `]]` often stop at `{` in column 1 (handy in
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C/Go/Java).
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### Text manipulation
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Basics:
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| Action | Command |
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| ----------------------------- | ------------------------------ |
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| Delete character under cursor | `x` |
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| Put (paste) | `p` |
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| Delete operator + motion | `d` |
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| Undo word (insert) | `CTRL-w` |
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| Undo line (insert) | `CTRL-u` |
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| Undo change | `u` |
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| Redo | `Ctrl-r` |
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| Repeat previous insert | `Ctrl-a` |
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| Repeat last change | `.` |
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| Toggle case | `~` |
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| Uppercase (visual) | `U` |
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| Lowercase (visual) | `u` |
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| Align selection | `:center` / `:left` / `:right` |
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Misc:
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| Action | Shortcut |
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| ------------------------ | ----------- |
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| Character-wise visual | `v` |
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| Line-wise visual | `V` |
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| Block visual | `<Ctrl-v>` |
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| Fold close / open | `zc` / `zo` |
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| Go to definition | `gd` |
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| Go to references | `gD` |
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| Comment line (if mapped) | e.g. `gcc` |
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| Action | Command |
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| ----------------------------------- | -------------- |
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| Sort lines | `:sort` |
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| Join lines | `:join` or `J` |
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| Join without spaces | `:join!` |
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| Insert at line start / end | `I` / `A` |
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| Delete to end of line | `D` |
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| Change to end of line (into insert) | `C` |
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Advanced patterns:
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- Append to many lines: `:normal A<text>` (often after visual-block `Ctrl-v`).
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- Neovim may pad short lines with spaces when block-appending past EOL.
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- Delete last character on many lines: `:normal $x` over a visual selection.
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- Delete last word on many lines: `:normal $bD`.
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### Search
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| Action | Command |
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| --------------------------------- | ------- |
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| Search forward / backward | `/` `?` |
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| Repeat search same / opposite dir | `n` `N` |
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### Find and replace
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| Action | Command |
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| ------------------- | ---------------------------------- |
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| In visual selection | `:s/old/new/g` |
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| Current line | same |
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| Whole buffer | `:%s/old/new/g` |
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| Regex example | `:%s@\vhttp://(\w+)@https://\1@gc` |
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Notes:
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- `\v` — “very magic”, less backslash noise in the pattern.
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- `\1` — first capture group.
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### Specific line ranges
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| Action | Command examples |
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| --------------------- | ------------------------------------ |
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| Lines 10–end | `:10,$s/old/new/g` or `:10,$s@^@#@g` |
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| Lines 10–20 | `:10,20s/old/new/g` |
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| Strip trailing spaces | `:%s/\s\+$//g` |
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Flags: `g` all matches in range, `c` confirm each, `i` ignore case.
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### Buffers, windows, tabs
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> <https://neovim.io/doc/user/usr_08.html>
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> <https://vimhelp.org/windows.txt.html>
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- **Buffer** — in-memory text for a file.
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- **Window** — viewport on a buffer.
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- **Tab page** — layout of windows.
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| Action | Command |
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| ------------------ | ------------------------------ |
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| Horizontal split | `:sp` or `:sp filename` |
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| Vertical split | `:vs` or `:vs filename` |
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| Next / prev window | `Ctrl-w w` or `Ctrl-w h/j/k/l` |
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| List buffers | `:ls` |
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| Next / prev buffer | `]b` / `[b` or `:bn` / `:bp` |
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| New tab | `:tabnew` |
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| Next / prev tab | `gt` / `gT` |
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### History
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| Action | Command |
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| --------------- | ------- |
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| Command history | `q:` |
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| Search history | `q/` |
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@@ -6,6 +6,9 @@
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viAlias = true;
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vimAlias = true;
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withRuby = false;
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withPython3 = false;
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};
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};
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}
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