1 files changed, 184 insertions, 0 deletions
diff --git a/configs/vim.nix b/configs/vim.nix
new file mode 100644
index 0000000..b06b196
--- /dev/null
+++ b/configs/vim.nix
@@ -0,0 +1,184 @@
+{ config, lib, mylib, pkgs, ... }: let {
+  body = {
+    environment.systemPackages = [
+      vim-wrapper
+    ];
+
+    environment.etc.vimrc.source = vimrc;
+
+    environment.variables.EDITOR = lib.mkForce "vim";
+    environment.variables.VIMINIT = ":so /etc/vimrc";
+  };
+
+  base-plugins = [
+    pkgs.tv.vimPlugins.file-line
+    pkgs.tv.vimPlugins.hack
+    pkgs.vimPlugins.undotree
+    (pkgs.tv.vim.makePlugin (pkgs.write "vim-tv-base" {
+      "/ftplugin/haskell.vim".text = ''
+        if exists("g:vim_tv_ftplugin_haskell_loaded")
+          finish
+        endif
+        let g:vim_tv_ftplugin_haskell_loaded = 1
+
+        setlocal iskeyword+='
+      '';
+    }))
+  ];
+
+  extra-plugins = [
+    pkgs.tv.vimPlugins.elixir
+    pkgs.tv.vimPlugins.fzf
+    pkgs.tv.vimPlugins.jq
+    pkgs.tv.vimPlugins.nix
+    pkgs.tv.vimPlugins.showsyntax
+    pkgs.tv.vimPlugins.tv
+    pkgs.tv.vimPlugins.vim
+    pkgs.vimPlugins.fzfWrapper
+    pkgs.vimPlugins.vim-nftables
+  ];
+
+  dirs = {
+    backupdir = "$HOME/.cache/vim/backup";
+    swapdir   = "$HOME/.cache/vim/swap";
+    undodir   = "$HOME/.cache/vim/undo";
+  };
+  files = {
+    viminfo   = "$HOME/.cache/vim/info";
+  };
+
+  need-dirs = let
+    dirOf = s:
+      let
+        out = lib.concatStringsSep "/" (lib.init (lib.splitString "/" s));
+      in assert out != ""; out;
+    alldirs = builtins.attrValues dirs ++ map dirOf (builtins.attrValues files);
+  in lib.unique (builtins.sort builtins.lessThan alldirs);
+
+  vim-wrapper = pkgs.symlinkJoin {
+    name = "vim";
+    paths = [
+      (pkgs.writeDashBin "vim" ''
+        set -efu
+        export FZF_DEFAULT_COMMAND='${pkgs.ripgrep}/bin/rg --files'
+        export PATH=$PATH:${lib.makeBinPath [
+          pkgs.fzf
+          pkgs.ripgrep
+        ]}
+        (umask 0077; exec ${pkgs.coreutils}/bin/mkdir -p ${toString need-dirs})
+        exec ${pkgs.vim}/bin/vim "$@"
+      '')
+      pkgs.vim
+    ];
+  };
+
+  vimrc = pkgs.writeText "vimrc" /* vim */ ''
+    vim9script
+
+    set nocompatible
+
+    set autoindent
+    set backspace=indent,eol,start
+    set backup
+    set backupdir=${dirs.backupdir}/
+    set directory=${dirs.swapdir}//
+    set hlsearch
+    set incsearch
+    set mouse=a
+    set noruler
+    set pastetoggle=<INS>
+    set runtimepath=${pkgs.tv.vim.makeRuntimePath base-plugins},$VIMRUNTIME
+    set shortmess+=I
+    set showcmd
+    set showmatch
+    set timeoutlen=0
+    set ttimeoutlen=0
+    set ttymouse=sgr
+    set undodir=${dirs.undodir}
+    set undofile
+    set undolevels=1000000
+    set undoreload=1000000
+    set viminfo='20,<1000,s100,h,n${files.viminfo}
+    set visualbell
+    set wildignore+=*.o,*.class,*.hi,*.dyn_hi,*.dyn_o
+    set wildmenu
+    set wildmode=longest,full
+
+      set runtimepath^=${pkgs.tv.vim.makeRuntimePath extra-plugins}
+      syntax on
+
+    set et ts=2 sts=2 sw=2
+
+    filetype plugin indent on
+
+    set t_Co=256
+    colorscheme hack
+
+    au Syntax * syn match Garbage containedin=ALL /\s\+$/
+            \ | syn match TabStop containedin=ALL /\t\+/
+            \ | syn keyword Todo containedin=ALL TODO
+
+    au BufRead,BufNewFile *.nix set ft=nix
+
+    au BufRead,BufNewFile /dev/shm/* set nobackup nowritebackup noswapfile
+
+    cnoremap <C-A> <Home>
+
+    noremap  <C-c> :q<cr>
+
+    nnoremap <esc>[5^  :tabp<cr>
+    nnoremap <esc>[6^  :tabn<cr>
+    nnoremap <esc>[5@  :tabm -1<cr>
+    nnoremap <esc>[6@  :tabm +1<cr>
+
+    nnoremap <f1> :tabp<cr>
+    nnoremap <f2> :tabn<cr>
+    imap <f1> <esc><f1>
+    imap <f2> <esc><f2>
+
+    nnoremap <S-f1> :tabm -1<cr>
+    nnoremap <S-f2> :tabm +1<cr>
+    imap <S-f1> <esc><S-f1>
+    imap <S-f2> <esc><S-f2>
+
+    noremap <f3> :ShowSyntax<cr>
+
+    # <C-{Up,Down,Right,Left}>
+    noremap <esc>Oa <nop> | noremap! <esc>Oa <nop>
+    noremap <esc>Ob <nop> | noremap! <esc>Ob <nop>
+    noremap <esc>Oc <nop> | noremap! <esc>Oc <nop>
+    noremap <esc>Od <nop> | noremap! <esc>Od <nop>
+    # <[C]S-{Up,Down,Right,Left}>
+    noremap <esc>[a <nop> | noremap! <esc>[a <nop>
+    noremap <esc>[b <nop> | noremap! <esc>[b <nop>
+    noremap <esc>[c <nop> | noremap! <esc>[c <nop>
+    noremap <esc>[d <nop> | noremap! <esc>[d <nop>
+    vnoremap u <nop>
+
+    # fzf
+    nnoremap <esc>q :Buffers<cr>
+    nnoremap <esc>f :Files<cr>
+    nnoremap <esc>w :Rg<cr>
+
+    # edit alternate buffer
+    # For some reason neither putting <ctrl>6 nor <ctrl>^ works here...
+    nnoremap <esc>a 
+
+    if $TOUCHSCREEN == "1"
+      nnoremap <ScrollWheelUp> <C-y>
+      nnoremap <ScrollWheelDown> <C-e>
+      nnoremap <C-ScrollWheelUp> 3<C-y>
+      nnoremap <C-ScrollWheelDown> 3<C-e>
+      nnoremap <S-ScrollWheelUp> 3<C-y>
+      nnoremap <S-ScrollWheelDown> 3<C-e>
+      nnoremap <C-S-ScrollWheelUp> <PageUp>
+      nnoremap <C-S-ScrollWheelDown> <PageDown>
+    endif
+
+    # remember last position
+    autocmd BufReadPost *
+         \ if line("'\"") > 0 && line("'\"") <= line("$") |
+         \   exe "normal! g`\"" |
+         \ endif
+  '';
+}