dotfiles/nixos/neovim.nix
DannyDannyDanny 9283643e07 feat(fish): add gco — smart checkout that cds into worktrees 🌿
If the target branch is already checked out in another worktree,
`gco <branch>` cds there instead of erroring with "already used by
worktree at". Falls through to plain `git checkout` otherwise.
2026-06-05 17:18:57 +02:00

113 lines
3.9 KiB
Nix

{ pkgs, ... }:
{
programs.neovim = {
enable = true;
defaultEditor = true;
withRuby = false;
withPython3 = false;
# VimScript settings (options that have no Lua equivalent or are simpler in vim)
extraConfig = ''
set title
set nohlsearch
set number
let mapleader=","
colorscheme catppuccin
" netrw (dir listing) settings
let g:netrw_liststyle = 3
let g:netrw_banner = 0
let g:netrw_browse_split = 3
let g:netrw_winsize = 25
'';
initLua = ''
-- Auto-detect system theme (dark/light) from marker file
local config_file = os.getenv("HOME") .. "/.local/share/nvim_color_scheme"
local f = io.open(config_file, "r")
if f then
local theme = f:read("*l")
f:close()
if theme then
theme = theme:gsub("^%s+", ""):gsub("%s+$", "")
end
if theme == "dark" or theme == "light" then
vim.opt.background = theme
else
vim.notify("nvim_color_scheme: expected 'light' or 'dark', got: " .. tostring(theme), vim.log.levels.WARN)
end
end
-- General options
vim.opt.cursorline = true
vim.opt.mouse = "a"
vim.opt.listchars = { tab = " ", space = "·", nbsp = "", trail = "", eol = "", precedes = "«", extends = "»" }
vim.opt.clipboard:append("unnamedplus")
vim.opt.spell = true
vim.opt.spelllang = "en_us"
-- Markdown: fold by heading/section using Treesitter
vim.api.nvim_create_autocmd("FileType", {
pattern = "markdown",
callback = function()
vim.opt_local.foldmethod = "expr"
vim.opt_local.foldexpr = "v:lua.vim.treesitter.foldexpr()"
vim.opt_local.foldenable = true
end,
})
-- Treesitter highlighting: parser-driven syntax highlighting (richer
-- than the regex-based default). Leaving `indent` off it's still
-- buggy in several languages (python, yaml).
require'nvim-treesitter.configs'.setup {
highlight = { enable = true },
}
-- Sticky scroll: pin enclosing scopes (functions, classes, YAML keys,
-- etc.) to the top of the window as you scroll deeper. Same idea as
-- Zed/VS Code's "Sticky Scroll". `mode = 'topline'` matches Zed's
-- "scrolled past" feel; switch to 'cursor' if you'd rather it track
-- the cursor instead of the viewport.
require'treesitter-context'.setup {
enable = true,
max_lines = 5,
mode = 'topline',
trim_scope = 'outer',
}
-- Fish: expand tabs to spaces. Fish renders raw \t in the commandline
-- as the Unicode glyph (U+2409) and wrap-indents each line to the
-- column of the opening quote, which mangles Alt-E multiline edits.
-- Using spaces sidesteps the issue entirely.
vim.api.nvim_create_autocmd("FileType", {
pattern = "fish",
callback = function()
vim.opt_local.expandtab = true
vim.opt_local.tabstop = 2
vim.opt_local.shiftwidth = 2
vim.opt_local.softtabstop = 2
end,
})
-- Keymaps
vim.keymap.set("n", "S", ":%s//g<Left><Left>", { desc = "Replace all" })
vim.keymap.set("n", "<leader>w", ":w<CR>", { desc = "Save file" })
'';
plugins = with pkgs.vimPlugins; [
vim-surround # shortcuts for setting () {} etc.
vim-gitgutter # git diff in sign column
vim-nix # nix highlight
fzf-lua # fuzzy finder through lua
nerdtree # file structure inside nvim
rainbow # color parenthesis
catppuccin-nvim # theme
goyo-vim # write prose
limelight-vim # prose paragraph highlighter
nvim-treesitter.withAllGrammars # parsers (also makes vim.treesitter.foldexpr work for markdown)
nvim-treesitter-context # sticky scroll: pin parent scopes at top of window
];
};
}