Revert "remove nin"

This reverts commit 62314e64c259bc6bae39e2bd29ecec2c5e5ea262.

11 files changed, 833 insertions, 0 deletions

diff --git a/nin/2configs/ableton.nix b/nin/2configs/ableton.nix
new file mode 100644
index 000000000..343a9089d
--- /dev/null
+++ b/nin/2configs/ableton.nix
@@ -0,0 +1,20 @@
+{ config, pkgs, ... }: let
+  mainUser = config.users.extraUsers.nin;
+in {
+  users.users= {
+    ableton = {
+      isNormalUser = true;
+      extraGroups = [
+        "audio"
+        "video"
+      ];
+      packages = [
+        pkgs.wine
+        pkgs.winetricks
+      ];
+    };
+  };
+  security.sudo.extraConfig = ''
+    ${mainUser.name} ALL=(ableton) NOPASSWD: ALL
+  '';
+}
diff --git a/nin/2configs/copyq.nix b/nin/2configs/copyq.nix
new file mode 100644
index 000000000..0616c4025
--- /dev/null
+++ b/nin/2configs/copyq.nix
@@ -0,0 +1,38 @@
+{ config, pkgs, ... }:
+with import <stockholm/lib>;
+let
+  copyqConfig = pkgs.writeDash "copyq-config" ''
+    ${pkgs.copyq}/bin/copyq config check_clipboard true
+    ${pkgs.copyq}/bin/copyq config check_selection true
+    ${pkgs.copyq}/bin/copyq config copy_clipboard true
+    ${pkgs.copyq}/bin/copyq config copy_selection true
+
+    ${pkgs.copyq}/bin/copyq config activate_closes true
+    ${pkgs.copyq}/bin/copyq config clipboard_notification_lines 0
+    ${pkgs.copyq}/bin/copyq config clipboard_tab clipboard
+    ${pkgs.copyq}/bin/copyq config disable_tray true
+    ${pkgs.copyq}/bin/copyq config hide_tabs true
+    ${pkgs.copyq}/bin/copyq config hide_toolbar true
+    ${pkgs.copyq}/bin/copyq config item_popup_interval true
+    ${pkgs.copyq}/bin/copyq config maxitems 1000
+    ${pkgs.copyq}/bin/copyq config move true
+    ${pkgs.copyq}/bin/copyq config text_wrap true
+  '';
+in {
+  systemd.user.services.copyq = {
+    after = [ "graphical.target" ];
+    wants = [ "graphical.target" ];
+    wantedBy = [ "default.target" ];
+    environment = {
+      DISPLAY = ":0";
+    };
+    serviceConfig = {
+      SyslogIdentifier = "copyq";
+      ExecStart = "${pkgs.copyq}/bin/copyq";
+      ExecStartPost = copyqConfig;
+      Restart = "always";
+      RestartSec = "2s";
+      StartLimitBurst = 0;
+    };
+  };
+}
diff --git a/nin/2configs/default.nix b/nin/2configs/default.nix
new file mode 100644
index 000000000..62f499a2d
--- /dev/null
+++ b/nin/2configs/default.nix
@@ -0,0 +1,173 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+{
+  imports = [
+    ../2configs/vim.nix
+    <stockholm/krebs/2configs/binary-cache/nixos.nix>
+    <stockholm/krebs/2configs/binary-cache/prism.nix>
+    {
+      users.extraUsers =
+        mapAttrs (_: h: { hashedPassword = h; })
+                 (import <secrets/hashedPasswords.nix>);
+    }
+    {
+      users.users = {
+        root = {
+          openssh.authorizedKeys.keys = [
+            config.krebs.users.nin.pubkey
+            config.krebs.users.nin_h.pubkey
+          ];
+        };
+        nin = {
+          name = "nin";
+          uid = 1337;
+          home = "/home/nin";
+          group = "users";
+          createHome = true;
+          useDefaultShell = true;
+          extraGroups = [
+            "audio"
+            "fuse"
+          ];
+          openssh.authorizedKeys.keys = [
+            config.krebs.users.nin.pubkey
+            config.krebs.users.nin_h.pubkey
+          ];
+        };
+      };
+    }
+    {
+      environment.variables = {
+        NIX_PATH = mkForce "secrets=/var/src/stockholm/null:/var/src";
+      };
+    }
+    (let ca-bundle = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt"; in {
+      environment.variables = {
+        CURL_CA_BUNDLE = ca-bundle;
+        GIT_SSL_CAINFO = ca-bundle;
+        SSL_CERT_FILE = ca-bundle;
+      };
+    })
+  ];
+
+  networking.hostName = config.krebs.build.host.name;
+  nix.maxJobs = config.krebs.build.host.cores;
+
+  krebs = {
+    enable = true;
+    search-domain = "r";
+    build = {
+      user = config.krebs.users.nin;
+    };
+  };
+
+  nix.useSandbox = true;
+
+  users.mutableUsers = false;
+
+  services.timesyncd.enable = true;
+
+  #why is this on in the first place?
+  services.nscd.enable = false;
+
+  boot.tmpOnTmpfs = true;
+  # see tmpfiles.d(5)
+  systemd.tmpfiles.rules = [
+    "d /tmp 1777 root root - -"
+  ];
+
+  # multiple-definition-problem when defining environment.variables.EDITOR
+  environment.extraInit = ''
+    EDITOR=vim
+  '';
+
+  nixpkgs.config.allowUnfree = true;
+
+  environment.shellAliases = {
+    gs = "git status";
+  };
+
+  environment.systemPackages = with pkgs; [
+  #stockholm
+    git
+    gnumake
+    jq
+    proot
+    pavucontrol
+    populate
+    p7zip
+    termite
+    unzip
+    unrar
+    hashPassword
+  ];
+
+  programs.bash = {
+    enableCompletion = true;
+    interactiveShellInit = ''
+      HISTCONTROL='erasedups:ignorespace'
+      HISTSIZE=65536
+      HISTFILESIZE=$HISTSIZE
+
+      shopt -s checkhash
+      shopt -s histappend histreedit histverify
+      shopt -s no_empty_cmd_completion
+      complete -d cd
+    '';
+    promptInit = ''
+      if test $UID = 0; then
+        PS1='\[\033[1;31m\]$PWD\[\033[0m\] '
+      elif test $UID = 1337; then
+        PS1='\[\033[1;32m\]$PWD\[\033[0m\] '
+      else
+        PS1='\[\033[1;33m\]\u@$PWD\[\033[0m\] '
+      fi
+      if test -n "$SSH_CLIENT"; then
+        PS1='\[\033[35m\]\h'" $PS1"
+      fi
+    '';
+  };
+
+  services.openssh = {
+    enable = true;
+    hostKeys = [
+      # XXX bits here make no science
+      { bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
+    ];
+  };
+
+  services.journald.extraConfig = ''
+    SystemMaxUse=1G
+    RuntimeMaxUse=128M
+  '';
+
+  krebs.iptables = {
+    enable = true;
+    tables = {
+      nat.PREROUTING.rules = [
+        { predicate = "! -i retiolum -p tcp -m tcp --dport 22"; target = "REDIRECT --to-ports 0"; precedence = 100; }
+        { predicate = "-p tcp -m tcp --dport 45621"; target = "REDIRECT --to-ports 22"; precedence = 99; }
+      ];
+      nat.OUTPUT.rules = [
+        { predicate = "-o lo -p tcp -m tcp --dport 45621"; target = "REDIRECT --to-ports 22"; precedence = 100; }
+      ];
+      filter.INPUT.policy = "DROP";
+      filter.FORWARD.policy = "DROP";
+      filter.INPUT.rules = [
+        { predicate = "-m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; precedence = 10001; }
+        { predicate = "-p icmp"; target = "ACCEPT"; precedence = 10000; }
+        { predicate = "-p ipv6-icmp"; target = "ACCEPT"; v4 = false;  precedence = 10000; }
+        { predicate = "-i lo"; target = "ACCEPT"; precedence = 9999; }
+        { predicate = "-p tcp --dport 22"; target = "ACCEPT"; precedence = 9998; }
+        { predicate = "-p tcp -i retiolum"; target = "REJECT --reject-with tcp-reset"; precedence = -10000; }
+        { predicate = "-p udp -i retiolum"; target = "REJECT --reject-with icmp-port-unreachable"; v6 = false; precedence = -10000; }
+        { predicate = "-i retiolum"; target = "REJECT --reject-with icmp-proto-unreachable"; v6 = false; precedence = -10000; }
+      ];
+    };
+  };
+
+  networking.dhcpcd.extraConfig = ''
+    noipv4ll
+  '';
+}
diff --git a/nin/2configs/games.nix b/nin/2configs/games.nix
new file mode 100644
index 000000000..15e17238d
--- /dev/null
+++ b/nin/2configs/games.nix
@@ -0,0 +1,70 @@
+{ config, pkgs, ... }:
+
+let
+  mainUser = config.users.extraUsers.mainUser;
+  vdoom = pkgs.writeDash "vdoom" ''
+    ${pkgs.zandronum}/bin/zandronum \
+      -fov 120 \
+      "$@"
+  '';
+  doom = pkgs.writeDash "doom" ''
+    DOOM_DIR=''${DOOM_DIR:-~/doom/}
+    ${vdoom} \
+      -file $DOOM_DIR/lib/brutalv20.pk3 \
+      "$@"
+  '';
+  doom1 = pkgs.writeDashBin "doom1" ''
+    DOOM_DIR=''${DOOM_DIR:-~/doom/}
+    ${doom} -iwad $DOOM_DIR/wads/stock/doom.wad "$@"
+  '';
+  doom2 = pkgs.writeDashBin "doom2" ''
+    DOOM_DIR=''${DOOM_DIR:-~/doom/}
+    ${doom} -iwad $DOOM_DIR/wads/stock/doom2.wad "$@"
+  '';
+  vdoom1 = pkgs.writeDashBin "vdoom1" ''
+    DOOM_DIR=''${DOOM_DIR:-~/doom/}
+    ${vdoom} -iwad $DOOM_DIR/wads/stock/doom.wad "$@"
+  '';
+  vdoom2 = pkgs.writeDashBin "vdoom2" ''
+    DOOM_DIR=''${DOOM_DIR:-~/doom/}
+    ${vdoom} -iwad $DOOM_DIR/wads/stock/doom2.wad "$@"
+  '';
+
+  doomservercfg = pkgs.writeText "doomserver.cfg" ''
+    skill 7
+    #survival true
+    #sv_maxlives 4
+    #sv_norespawn true
+    #sv_weapondrop true
+    no_jump true
+    #sv_noweaponspawn true
+    sv_sharekeys true
+    sv_survivalcountdowntime 1
+    sv_noteamselect true
+    sv_updatemaster false
+    #sv_coop_loseinventory true
+    #cl_startasspectator false
+    #lms_spectatorview false
+  '';
+
+  vdoomserver = pkgs.writeDashBin "vdoomserver" ''
+    DOOM_DIR=''${DOOM_DIR:-~/doom/}
+
+    ${pkgs.zandronum}/bin/zandronum-server \
+    +exec ${doomservercfg} \
+    "$@"
+  '';
+
+in {
+  environment.systemPackages = with pkgs; [
+    dwarf_fortress
+    doom1
+    doom2
+    vdoom1
+    vdoom2
+    vdoomserver
+  ];
+
+  hardware.pulseaudio.support32Bit = true;
+
+}
diff --git a/nin/2configs/git.nix b/nin/2configs/git.nix
new file mode 100644
index 000000000..aed4a9f48
--- /dev/null
+++ b/nin/2configs/git.nix
@@ -0,0 +1,60 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+
+let
+
+  out = {
+    services.nginx.enable = true;
+    krebs.git = {
+      enable = true;
+      cgit = {
+        settings = {
+          root-title = "public repositories at ${config.krebs.build.host.name}";
+          root-desc = "keep calm and engage";
+        };
+      };
+      repos = mapAttrs (_: s: removeAttrs s ["collaborators"]) repos;
+      rules = rules;
+    };
+
+    krebs.iptables.tables.filter.INPUT.rules = [
+      { predicate = "-i retiolum -p tcp --dport 80"; target = "ACCEPT"; }
+    ];
+  };
+
+  repos = public-repos;
+
+  rules = concatMap make-rules (attrValues repos);
+
+  public-repos = mapAttrs make-public-repo {
+    stockholm = {
+      cgit.desc = "take all the computers hostage, they'll love you!";
+    };
+  };
+
+  make-public-repo = name: { cgit ? {}, ... }: {
+    inherit cgit name;
+    public = true;
+  };
+
+  make-rules =
+    with git // config.krebs.users;
+    repo:
+      singleton {
+        user = [ nin nin_h ];
+        repo = [ repo ];
+        perm = push "refs/*" [ non-fast-forward create delete merge ];
+      } ++
+      optional repo.public {
+        user = attrValues config.krebs.users;
+        repo = [ repo ];
+        perm = fetch;
+      } ++
+      optional (length (repo.collaborators or []) > 0) {
+        user = repo.collaborators;
+        repo = [ repo ];
+        perm = fetch;
+      };
+
+in out
diff --git a/nin/2configs/im.nix b/nin/2configs/im.nix
new file mode 100644
index 000000000..b078dbd53
--- /dev/null
+++ b/nin/2configs/im.nix
@@ -0,0 +1,19 @@
+{ config, lib, pkgs, ... }:
+with import <stockholm/lib>;
+{
+  environment.systemPackages = with pkgs; [
+    (pkgs.writeDashBin "im" ''
+      export PATH=${makeSearchPath "bin" (with pkgs; [
+        tmux
+        gnugrep
+        weechat
+      ])}
+      ssh chat@onondaga
+      if tmux list-sessions -F\#S | grep -q '^im''$'; then
+        exec tmux attach -t im
+      else
+        exec tmux new -s im weechat
+      fi
+    '')
+  ];
+}
diff --git a/nin/2configs/retiolum.nix b/nin/2configs/retiolum.nix
new file mode 100644
index 000000000..821e3cc00
--- /dev/null
+++ b/nin/2configs/retiolum.nix
@@ -0,0 +1,28 @@
+{ ... }:
+
+{
+
+  krebs.iptables = {
+    tables = {
+      filter.INPUT.rules = [
+        { predicate = "-i retiolum -p tcp --dport smtp"; target = "ACCEPT"; }
+        { predicate = "-p tcp --dport tinc"; target = "ACCEPT"; }
+        { predicate = "-p udp --dport tinc"; target = "ACCEPT"; }
+      ];
+    };
+  };
+
+  krebs.tinc.retiolum = {
+    enable = true;
+    connectTo = [
+      "prism"
+      "pigstarter"
+      "gum"
+      "flap"
+    ];
+  };
+
+  nixpkgs.config.packageOverrides = pkgs: {
+    tinc = pkgs.tinc_pre;
+  };
+}
diff --git a/nin/2configs/skype.nix b/nin/2configs/skype.nix
new file mode 100644
index 000000000..621dfae82
--- /dev/null
+++ b/nin/2configs/skype.nix
@@ -0,0 +1,27 @@
+{ config, lib, pkgs, ... }:
+
+let
+  mainUser = config.users.extraUsers.nin;
+  inherit (import <stockholm/lib>) genid;
+
+in {
+  users.extraUsers = {
+    skype = {
+      name = "skype";
+      uid = genid "skype";
+      description = "user for running skype";
+      home = "/home/skype";
+      useDefaultShell = true;
+      extraGroups = [ "audio" "video" ];
+      createHome = true;
+    };
+  };
+
+  krebs.per-user.skype.packages = [
+    pkgs.skype
+  ];
+
+  security.sudo.extraConfig = ''
+    ${mainUser.name} ALL=(skype) NOPASSWD: ALL
+  '';
+}
diff --git a/nin/2configs/termite.nix b/nin/2configs/termite.nix
new file mode 100644
index 000000000..942446b01
--- /dev/null
+++ b/nin/2configs/termite.nix
@@ -0,0 +1,22 @@
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = [
+    pkgs.termite
+  ];
+
+  krebs.per-user.nin.packages = let
+    termitecfg = pkgs.writeTextFile {
+      name = "termite-config";
+      destination = "/etc/xdg/termite/config";
+      text = ''
+        [colors]
+        foreground = #d0d7d0
+        background = #000000
+      '';
+    };
+  in [
+    termitecfg
+  ];
+
+}
diff --git a/nin/2configs/vim.nix b/nin/2configs/vim.nix
new file mode 100644
index 000000000..7b5d37611
--- /dev/null
+++ b/nin/2configs/vim.nix
@@ -0,0 +1,355 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+let
+  out = {
+    environment.systemPackages = [
+      vim
+      pkgs.pythonPackages.flake8
+    ];
+
+    environment.etc.vimrc.source = vimrc;
+
+    environment.variables.EDITOR = mkForce "vim";
+    environment.variables.VIMINIT = ":so /etc/vimrc";
+  };
+
+  vimrc = pkgs.writeText "vimrc" ''
+    set nocompatible
+
+    set autoindent
+    set backspace=indent,eol,start
+    set backup
+    set backupdir=${dirs.backupdir}/
+    set directory=${dirs.swapdir}//
+    set hlsearch
+    set incsearch
+    set laststatus=2
+    set mouse=a
+    set noruler
+    set pastetoggle=<INS>
+    set runtimepath=${extra-runtimepath},$VIMRUNTIME
+    set shortmess+=I
+    set showcmd
+    set showmatch
+    set ttimeoutlen=0
+    set undodir=${dirs.undodir}
+    set undofile
+    set undolevels=1000000
+    set undoreload=1000000
+    set viminfo='20,<1000,s100,h,n${files.viminfo}
+    set visualbell
+    set wildignore+=*.o,*.class,*.hi,*.dyn_hi,*.dyn_o
+    set wildmenu
+    set wildmode=longest,full
+
+    set et ts=2 sts=2 sw=2
+
+    filetype plugin indent on
+
+    set t_Co=256
+    colorscheme hack
+    syntax on
+
+    au Syntax * syn match Garbage containedin=ALL /\s\+$/
+            \ | syn match TabStop containedin=ALL /\t\+/
+            \ | syn keyword Todo containedin=ALL TODO
+
+    au BufRead,BufNewFile *.hs so ${hs.vim}
+
+    au BufRead,BufNewFile *.nix so ${nix.vim}
+
+    au BufRead,BufNewFile /dev/shm/* set nobackup nowritebackup noswapfile
+
+    "Syntastic config
+    let g:syntastic_python_checkers=['flake8']
+
+    nmap <esc>q :buffer 
+    nmap <M-q> :buffer 
+
+    cnoremap <C-A> <Home>
+
+    noremap  <C-c> :q<cr>
+    vnoremap < <gv
+    vnoremap > >gv
+
+    nnoremap <esc>[5^  :tabp<cr>
+    nnoremap <esc>[6^  :tabn<cr>
+    nnoremap <esc>[5@  :tabm -1<cr>
+    nnoremap <esc>[6@  :tabm +1<cr>
+
+    nnoremap <f1> :tabp<cr>
+    nnoremap <f2> :tabn<cr>
+    inoremap <f1> <esc>:tabp<cr>
+    inoremap <f2> <esc>:tabn<cr>
+
+    " <C-{Up,Down,Right,Left>
+    noremap <esc>Oa <nop> | noremap! <esc>Oa <nop>
+    noremap <esc>Ob <nop> | noremap! <esc>Ob <nop>
+    noremap <esc>Oc <nop> | noremap! <esc>Oc <nop>
+    noremap <esc>Od <nop> | noremap! <esc>Od <nop>
+    " <[C]S-{Up,Down,Right,Left>
+    noremap <esc>[a <nop> | noremap! <esc>[a <nop>
+    noremap <esc>[b <nop> | noremap! <esc>[b <nop>
+    noremap <esc>[c <nop> | noremap! <esc>[c <nop>
+    noremap <esc>[d <nop> | noremap! <esc>[d <nop>
+    vnoremap u <nop>
+  '';
+
+  extra-runtimepath = concatMapStringsSep "," (pkg: "${pkg.rtp}") [
+    pkgs.vimPlugins.Syntastic
+    pkgs.vimPlugins.undotree
+    pkgs.vimPlugins.airline
+    (pkgs.vimUtils.buildVimPlugin {
+      name = "file-line-1.0";
+      src = pkgs.fetchgit {
+        url = git://github.com/bogado/file-line;
+        rev = "refs/tags/1.0";
+        sha256 = "0z47zq9rqh06ny0q8lpcdsraf3lyzn9xvb59nywnarf3nxrk6hx0";
+      };
+    })
+    ((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 = ${toJSON name}
+
+        hi Normal       ctermbg=235
+        hi Comment      ctermfg=242
+        hi Constant     ctermfg=062
+        hi Identifier   ctermfg=068
+        hi Function     ctermfg=041
+        hi Statement    ctermfg=167
+        hi PreProc      ctermfg=167
+        hi Type         ctermfg=041
+        hi Delimiter    ctermfg=251
+        hi Special      ctermfg=062
+
+        hi Garbage      ctermbg=088
+        hi TabStop      ctermbg=016
+        hi Todo         ctermfg=174 ctermbg=NONE
+
+        hi NixCode      ctermfg=148
+        hi NixData      ctermfg=149
+        hi NixQuote     ctermfg=150
+
+        hi diffNewFile  ctermfg=207
+        hi diffFile     ctermfg=207
+        hi diffLine     ctermfg=207
+        hi diffSubname  ctermfg=207
+        hi diffAdded    ctermfg=010
+        hi diffRemoved  ctermfg=009
+      '';
+    })))
+    ((rtp: rtp // { inherit rtp; }) (pkgs.writeTextFile (let
+      name = "vim";
+    in {
+      name = "vim-syntax-${name}-1.0.0";
+      destination = "/syntax/${name}.vim";
+      text = /* vim */ ''
+        ${concatMapStringsSep "\n" (s: /* vim */ ''
+          syn keyword vimColor${s} ${s}
+            \ containedin=ALLBUT,vimComment,vimLineComment
+          hi vimColor${s} ctermfg=${s}
+        '') (map (i: lpad 3 "0" (toString i)) (range 0 255))}
+      '';
+    })))
+    ((rtp: rtp // { inherit rtp; }) (pkgs.writeTextFile (let
+      name = "showsyntax";
+    in {
+      name = "vim-plugin-${name}-1.0.0";
+      destination = "/plugin/${name}.vim";
+      text = /* vim */ ''
+        if exists('g:loaded_showsyntax')
+          finish
+        endif
+        let g:loaded_showsyntax = 0
+
+        fu! ShowSyntax()
+          let id = synID(line("."), col("."), 1)
+          let name = synIDattr(id, "name")
+          let transName = synIDattr(synIDtrans(id),"name")
+          if name != transName
+            let name .= " (" . transName . ")"
+          endif
+          echo "Syntax: " . name
+        endfu
+
+        command! -n=0 -bar ShowSyntax :call ShowSyntax()
+      '';
+    })))
+  ];
+
+  dirs = {
+    backupdir = "$HOME/.cache/vim/backup";
+    swapdir   = "$HOME/.cache/vim/swap";
+    undodir   = "$HOME/.cache/vim/undo";
+  };
+  files = {
+    viminfo   = "$HOME/.cache/vim/info";
+  };
+
+  mkdirs = let
+    dirOf = s: let out = concatStringsSep "/" (init (splitString "/" s));
+               in assert out != ""; out;
+    alldirs = attrValues dirs ++ map dirOf (attrValues files);
+  in unique (sort lessThan alldirs);
+
+  vim = pkgs.writeDashBin "vim" ''
+    set -efu
+    (umask 0077; exec ${pkgs.coreutils}/bin/mkdir -p ${toString mkdirs})
+    exec ${pkgs.vim}/bin/vim "$@"
+  '';
+
+
+  hs.vim = pkgs.writeText "hs.vim" ''
+    syn region String start=+\[[[:alnum:]]*|+ end=+|]+
+
+    hi link ConId Identifier
+    hi link VarId Identifier
+    hi link hsDelimiter Delimiter
+  '';
+
+  nix.vim = pkgs.writeText "nix.vim" ''
+    setf nix
+
+    " Ref <nix/src/libexpr/lexer.l>
+    syn match NixID    /[a-zA-Z\_][a-zA-Z0-9\_\'\-]*/
+    syn match NixINT   /\<[0-9]\+\>/
+    syn match NixPATH  /[a-zA-Z0-9\.\_\-\+]*\(\/[a-zA-Z0-9\.\_\-\+]\+\)\+/
+    syn match NixHPATH /\~\(\/[a-zA-Z0-9\.\_\-\+]\+\)\+/
+    syn match NixSPATH /<[a-zA-Z0-9\.\_\-\+]\+\(\/[a-zA-Z0-9\.\_\-\+]\+\)*>/
+    syn match NixURI   /[a-zA-Z][a-zA-Z0-9\+\-\.]*:[a-zA-Z0-9\%\/\?\:\@\&\=\+\$\,\-\_\.\!\~\*\']\+/
+    syn region NixSTRING
+      \ matchgroup=NixSTRING
+      \ start='"'
+      \ skip='\\"'
+      \ end='"'
+    syn region NixIND_STRING
+      \ matchgroup=NixIND_STRING
+      \ start="'''"
+      \ skip="'''\('\|[$]\|\\[nrt]\)"
+      \ end="'''"
+
+    syn match NixOther /[():/;=.,?\[\]]/
+
+    syn match NixCommentMatch /\(^\|\s\)#.*/
+    syn region NixCommentRegion start="/\*" end="\*/"
+
+    hi link NixCode Statement
+    hi link NixData Constant
+    hi link NixComment Comment
+
+    hi link NixCommentMatch NixComment
+    hi link NixCommentRegion NixComment
+    hi link NixID NixCode
+    hi link NixINT NixData
+    hi link NixPATH NixData
+    hi link NixHPATH NixData
+    hi link NixSPATH NixData
+    hi link NixURI NixData
+    hi link NixSTRING NixData
+    hi link NixIND_STRING NixData
+
+    hi link NixEnter NixCode
+    hi link NixOther NixCode
+    hi link NixQuote NixData
+
+    syn cluster nix_has_dollar_curly contains=@nix_ind_strings,@nix_strings
+    syn cluster nix_ind_strings contains=NixIND_STRING
+    syn cluster nix_strings contains=NixSTRING
+
+    ${concatStringsSep "\n" (mapAttrsToList (lang: { extraStart ? null }: let
+      startAlts = filter isString [
+        ''/\* ${lang} \*/''
+        extraStart
+      ];
+      sigil = ''\(${concatStringsSep ''\|'' startAlts}\)[ \t\r\n]*'';
+    in /* vim */ ''
+      syn include @nix_${lang}_syntax syntax/${lang}.vim
+      unlet b:current_syntax
+
+      syn match nix_${lang}_sigil
+        \ X${replaceStrings ["X"] ["\\X"] sigil}\ze\('''\|"\)X
+        \ nextgroup=nix_${lang}_region_IND_STRING,nix_${lang}_region_STRING
+        \ transparent
+
+      syn region nix_${lang}_region_STRING
+        \ matchgroup=NixSTRING
+        \ start='"'
+        \ skip='\\"'
+        \ end='"'
+        \ contained
+        \ contains=@nix_${lang}_syntax
+        \ transparent
+
+      syn region nix_${lang}_region_IND_STRING
+        \ matchgroup=NixIND_STRING
+        \ start="'''"
+        \ skip="'''\('\|[$]\|\\[nrt]\)"
+        \ end="'''"
+        \ contained
+        \ contains=@nix_${lang}_syntax
+        \ transparent
+
+      syn cluster nix_ind_strings
+        \ add=nix_${lang}_region_IND_STRING
+
+      syn cluster nix_strings
+        \ add=nix_${lang}_region_STRING
+
+      syn cluster nix_has_dollar_curly
+        \ add=@nix_${lang}_syntax
+    '') {
+      c = {};
+      cabal = {};
+      haskell = {};
+      sh.extraStart = ''write\(Ba\|Da\)sh[^ \t\r\n]*[ \t\r\n]*"[^"]*"'';
+      vim.extraStart =
+        ''write[^ \t\r\n]*[ \t\r\n]*"\(\([^"]*\.\)\?vimrc\|[^"]*\.vim\)"'';
+    })}
+
+    " Clear syntax that interferes with nixINSIDE_DOLLAR_CURLY.
+    syn clear shVarAssign
+
+    syn region nixINSIDE_DOLLAR_CURLY
+      \ matchgroup=NixEnter
+      \ start="[$]{"
+      \ end="}"
+      \ contains=TOP
+      \ containedin=@nix_has_dollar_curly
+      \ transparent
+
+    syn region nix_inside_curly
+      \ matchgroup=NixEnter
+      \ start="{"
+      \ end="}"
+      \ contains=TOP
+      \ containedin=nixINSIDE_DOLLAR_CURLY,nix_inside_curly
+      \ transparent
+
+    syn match NixQuote /'''\([''$']\|\\.\)/he=s+2
+      \ containedin=@nix_ind_strings
+      \ contained
+
+    syn match NixQuote /\\./he=s+1
+      \ containedin=@nix_strings
+      \ contained
+
+    syn sync fromstart
+
+    let b:current_syntax = "nix"
+
+    set isk=@,48-57,_,192-255,-,'
+    set bg=dark
+  '';
+in
+out
diff --git a/nin/2configs/weechat.nix b/nin/2configs/weechat.nix
new file mode 100644
index 000000000..6c0fb313e
--- /dev/null
+++ b/nin/2configs/weechat.nix
@@ -0,0 +1,21 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (import <stockholm/lib>) genid;
+in {
+  krebs.per-user.chat.packages = with pkgs; [
+    mosh
+    weechat
+    tmux
+  ];
+
+  users.extraUsers.chat = {
+    home = "/home/chat";
+    uid = genid "chat";
+    useDefaultShell = true;
+    createHome = true;
+    openssh.authorizedKeys.keys = [
+      config.krebs.users.nin.pubkey
+    ];
+  };
+}