hotdog.r: add mud prototype

krebs/1systems/hotdog/config.nix

@@ -11,6 +11,7 @@
     <stockholm/krebs/2configs/reaktor2.nix>
     <stockholm/krebs/2configs/wiki.nix>
     <stockholm/krebs/2configs/acme.nix>
+    <stockholm/krebs/2configs/mud.nix>
 
     ## shackie irc bot
     <stockholm/krebs/2configs/shack/reaktor.nix>

krebs/2configs/mud.nix

@@ -0,0 +1,171 @@
+{ config, lib, pkgs, ... }: let
+  mud = pkgs.writers.writeDashBin "mud" ''
+    set -efux
+    MUD_NICKNAME=''${MUD_NICKNAME:-$(head -1 /dev/urandom | md5sum | cut -c -2)}
+    MUD_SERVER=''${MUD_SERVER:-127.0.0.1}
+    MUD_PORT=''${MUD_PORT:-8080}
+
+    if $(${pkgs.netcat-openbsd}/bin/nc -z "$MUD_SERVER" "$MUD_PORT"); then
+      ${nvim}/bin/nvim \
+        +"let g:instant_username = \"$MUD_NICKNAME\"" \
+        +":InstantJoinSession $MUD_SERVER $MUD_PORT" \
+        "$@"
+    else
+      ${nvim}/bin/nvim \
+        +"let g:instant_username = \"$MUD_NICKNAME\"" \
+        +":InstantStartServer $MUD_SERVER $MUD_PORT" \
+        +":InstantStartSession $MUD_SERVER $MUD_PORT" \
+        "$@"
+    fi
+  '';
+  nvim = pkgs.neovim.override {
+    # vimAlias = true;
+    configure = {
+      customRC = vimrc;
+      packages.myPlugins = with pkgs.vimPlugins; {
+        start = [
+          vim-surround # Shortcuts for setting () {} etc.
+          # coc-nvim coc-git coc-highlight coc-python coc-rls coc-vetur coc-vimtex coc-yaml coc-html coc-json # auto completion
+          vim-nix # nix highlight
+          fzf-vim # fuzzy finder through vim
+          nerdtree # file structure inside nvim
+          rainbow # Color parenthesis
+          customPlugins.hack-color
+          customPlugins.instant
+        ];
+        opt = [];
+      };
+    };
+  };
+  vimrc = /* vim */ ''
+    set nocompatible
+
+    set autoindent
+    set backspace=indent,eol,start
+    set backup
+    set backupdir=$HOME/.cache/nvim/backup/
+    set directory=$HOME/.cache/nvim/swap"//
+    set hlsearch
+    set incsearch
+    set mouse=a
+    set ruler
+    set pastetoggle=<INS>
+    set shortmess+=I
+    set showcmd
+    set showmatch
+    set ttimeoutlen=0
+    set undodir=$HOME/.cache/nvim/undo
+    set undofile
+    set undolevels=1000000
+    set undoreload=1000000
+    set viminfo='20,<1000,s100,h,n$HOME/.cache/nvim/info
+    set visualbell
+    set wildignore+=*.o,*.class,*.hi,*.dyn_hi,*.dyn_o
+    set wildmenu
+    set wildmode=longest,full
+
+    set title
+    set titleold=
+    set titlestring=(vim)\ %t%(\ %M%)%(\ (%{expand(\"%:p:h\")})%)%(\ %a%)\ -\ %{v:servername}
+
+    set et ts=2 sts=2 sw=2
+
+    filetype plugin indent on
+
+    set t_Co=256
+    colorscheme hack
+    syntax on
+
+    au Syntax * syn match Garbage containedin=ALL /\s\+$/
+            \ | syn match TabStop containedin=ALL /\t\+/
+            \ | syn keyword Todo containedin=ALL TODO
+
+    au BufRead,BufNewFile /dev/shm/* set nobackup nowritebackup noswapfile
+
+    nmap <esc>q :buffer 
+    nmap <M-q> :buffer 
+
+    cnoremap <C-A> <Home>
+
+    noremap  <C-c> :q<cr>
+    vnoremap < <gv
+    vnoremap > >gv
+
+    nnoremap <f1> :tabp<cr>
+    nnoremap <f2> :tabn<cr>
+    inoremap <f1> <esc>:tabp<cr>
+    inoremap <f2> <esc>:tabn<cr>
+  '';
+  customPlugins = {
+    instant = pkgs.vimUtils.buildVimPlugin {
+      name = "instant";
+      src = pkgs.fetchFromGitHub {
+        owner = "jbyuki";
+        repo = "instant.nvim";
+        rev = "c02d72267b12130609b7ad39b76cf7f4a3bc9554";
+        sha256 = "sha256-7Pr2Au/oGKp5kMXuLsQY4BK5Wny9L1EBdXtyS5EaZPI=";
+      };
+    };
+    hack-color = (rtp: rtp // { inherit rtp; }) (pkgs.writeTextFile (let
+      name = "hack";
+    in {
+      name = "vim-color-${name}-1.0.2";
+      destination = "/colors/${name}.vim";
+      text = /* vim */ ''
+        set background=dark
+        hi clear
+        if exists("syntax_on")
+          syntax clear
+        endif
+
+        let colors_name = ${builtins.toJSON name}
+
+        hi Normal       ctermbg=016
+        hi Comment      ctermfg=255
+        hi Constant     ctermfg=229
+        hi Identifier   ctermfg=123
+        hi Function     ctermfg=041
+        hi Statement    ctermfg=167
+        hi PreProc      ctermfg=167
+        hi Type         ctermfg=046
+        hi Delimiter    ctermfg=251
+        hi Special      ctermfg=146
+
+        hi Garbage      ctermbg=124
+        hi TabStop      ctermbg=020
+        hi NBSP         ctermbg=056
+        hi NarrowNBSP   ctermbg=097
+        hi Todo         ctermfg=174 ctermbg=NONE
+
+        hi NixCode      ctermfg=190
+        hi NixData      ctermfg=149
+        hi NixQuote     ctermfg=119
+
+        hi diffNewFile  ctermfg=207
+        hi diffFile     ctermfg=207
+        hi diffLine     ctermfg=207
+        hi diffSubname  ctermfg=207
+        hi diffAdded    ctermfg=010
+        hi diffRemoved  ctermfg=009
+      '';
+    }));
+  };
+in {
+  users.users.mud = {
+    isNormalUser = true;
+    openssh.authorizedKeys.keys = with config.krebs.users; [
+      lass.pubkey
+      makefu.pubkey
+      kmein.pubkey
+      tv.pubkey
+    ];
+    packages = with pkgs; [
+      tmux
+      (pkgs.writers.writeDashBin "instant_server" ''
+        find ${customPlugins.instant}
+        find ${customPlugins.instant.src}
+      '')
+      mud
+    ];
+  };
+}