20 files changed, 659 insertions, 196 deletions
diff --git a/lass/1systems/mors.nix b/lass/1systems/mors.nix
index beb5659d0..062e4c29d 100644
--- a/lass/1systems/mors.nix
+++ b/lass/1systems/mors.nix
@@ -26,11 +26,10 @@
     ../2configs/teamviewer.nix
     ../2configs/libvirt.nix
     ../2configs/fetchWallpaper.nix
-    ../2configs/cbase.nix
+    ../2configs/c-base.nix
     ../2configs/mail.nix
     ../2configs/krebs-pass.nix
     ../2configs/umts.nix
-    #../2configs/buildbot-standalone.nix
     {
       #risk of rain port
       krebs.iptables.tables.filter.INPUT.rules = [
diff --git a/lass/2configs/baseX.nix b/lass/2configs/baseX.nix
index 7e969b3ed..6d26ff89a 100644
--- a/lass/2configs/baseX.nix
+++ b/lass/2configs/baseX.nix
@@ -8,7 +8,13 @@ in {
     #./urxvt.nix
     ./xserver
     ./mpv.nix
+    #./pulse.nix
+    ./power-action.nix
   ];
+  hardware.pulseaudio = {
+    enable = true;
+    systemWide = true;
+  };
 
   users.extraUsers.mainUser.extraGroups = [ "audio" ];
 
@@ -16,11 +22,6 @@ in {
 
   virtualisation.libvirtd.enable = true;
 
-  hardware.pulseaudio = {
-    enable = true;
-    systemWide = true;
-  };
-
   programs.ssh.startAgent = false;
 
   security.setuidPrograms = [ "slock" ];
diff --git a/lass/2configs/buildbot-standalone.nix b/lass/2configs/buildbot-standalone.nix
index b70cf9da8..7d3c236a6 100644
--- a/lass/2configs/buildbot-standalone.nix
+++ b/lass/2configs/buildbot-standalone.nix
@@ -1,6 +1,14 @@
 { lib, config, pkgs, ... }:
-{
-  krebs.buildbot.master = let
+
+with config.krebs.lib;
+
+let
+  sshWrapper = pkgs.writeDash "ssh-wrapper" ''
+    ${pkgs.openssh}/bin/ssh -i ${shell.escape config.lass.build-ssh-privkey.path} "$@"
+  '';
+
+in {
+  config.krebs.buildbot.master = let
     stockholm-mirror-url = http://cgit.prism/stockholm ;
   in {
     slaves = {
@@ -44,11 +52,15 @@
       grab_repo = steps.Git(repourl=stockholm_repo, mode='incremental')
 
       # TODO: get nixpkgs/stockholm paths from krebs
-      env = {"LOGNAME": "lass", "NIX_REMOTE": "daemon", "dummy_secrets": "true"}
+      env = {
+        "LOGNAME": "lass",
+        "NIX_REMOTE": "daemon",
+        "dummy_secrets": "true",
+      }
 
       # prepare nix-shell
       # the dependencies which are used by the test script
-      deps = [ "gnumake", "jq", "nix", "rsync" ]
+      deps = [ "gnumake", "jq", "nix", "rsync", "proot" ]
       # TODO: --pure , prepare ENV in nix-shell command:
       #                   SSL_CERT_FILE,LOGNAME,NIX_REMOTE
       nixshell = ["nix-shell",
@@ -68,12 +80,12 @@
         for i in [ "mors", "uriel", "shodan", "helios", "cloudkrebs", "echelon", "dishfire", "prism" ]:
           addShell(f,name="build-{}".format(i),env=env,
                   command=nixshell + \
-                      ["nix-build \
-                            --show-trace --no-out-link \
-                            -I nixos-config=./lass/1systems/{}.nix \
-                            -I secrets=./lass/2configs/tests/dummy-secrets \
-                            -I stockholm=. \
-                            -A config.system.build.toplevel".format(i)])
+                      ["make \
+                            test \
+                            ssh=${sshWrapper} \
+                            target=build@localhost:${config.users.users.build.home}/testbuild \
+                            method=build \
+                            system={}".format(i)])
 
         bu.append(util.BuilderConfig(name="build-all",
               slavenames=slavenames,
@@ -115,7 +127,7 @@
     };
   };
 
-  krebs.buildbot.slave = {
+  config.krebs.buildbot.slave = {
     enable = true;
     masterhost = "localhost";
     username = "testslave";
@@ -125,7 +137,7 @@
       NIX_PATH="nixpkgs=/var/src/nixpkgs";
     };
   };
-  krebs.iptables = {
+  config.krebs.iptables = {
     tables = {
       filter.INPUT.rules = [
         { predicate = "-p tcp --dport 8010"; target = "ACCEPT"; }
@@ -133,4 +145,29 @@
       ];
     };
   };
+
+  #ssh workaround for make test
+  options.lass.build-ssh-privkey = mkOption {
+    type = types.secret-file;
+    default = {
+      path = "${config.users.users.buildbotSlave.home}/ssh.privkey";
+      owner = { inherit (config.users.users.buildbotSlave ) name uid;};
+      source-path = toString <secrets> + "/build.ssh.key";
+    };
+  };
+  config.krebs.secret.files = {
+    build-ssh-privkey = config.lass.build-ssh-privkey;
+  };
+  config.users.users = {
+    build = {
+      name = "build";
+      uid = genid "build";
+      home = "/home/build";
+      useDefaultShell = true;
+      createHome = true;
+      openssh.authorizedKeys.keys = [
+        "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDiV0Xn60aVLHC/jGJknlrcxSvKd/MVeh2tjBpxSBT3II9XQGZhID2Gdh84eAtoWyxGVFQx96zCHSuc7tfE2YP2LhXnwaxHTeDc8nlMsdww53lRkxihZIEV7QHc/3LRcFMkFyxdszeUfhWz8PbJGL2GYT+s6CqoPwwa68zF33U1wrMOAPsf/NdpSN4alsqmjFc2STBjnOd9dXNQn1VEJQqGLG3kR3WkCuwMcTLS5eu0KLwG4i89Twjy+TGp2QsF5K6pNE+ZepwaycRgfYzGcPTn5d6YQXBgcKgHMoSJsK8wqpr0+eFPCDiEA3HDnf76E4mX4t6/9QkMXCLmvs0IO/WP lass@mors"
+      ];
+    };
+  };
 }
diff --git a/lass/2configs/cbase.nix b/lass/2configs/c-base.nix
index 9d13bc30d..9d13bc30d 100644
--- a/lass/2configs/cbase.nix
+++ b/lass/2configs/c-base.nix
diff --git a/lass/2configs/default.nix b/lass/2configs/default.nix
index deb3c46c2..9e0e37e48 100644
--- a/lass/2configs/default.nix
+++ b/lass/2configs/default.nix
@@ -59,12 +59,13 @@ with config.krebs.lib;
       user = config.krebs.users.lass;
       source = mapAttrs (_: mkDefault) ({
         nixos-config = "symlink:stockholm/lass/1systems/${config.krebs.build.host.name}.nix";
-        secrets =
-        if getEnv "dummy_secrets" == "true"
+        secrets = if getEnv "dummy_secrets" == "true"
           then toString <stockholm/lass/2configs/tests/dummy-secrets>
           else "/home/lass/secrets/${config.krebs.build.host.name}";
         #secrets-common = "/home/lass/secrets/common";
-        stockholm = "/home/lass/stockholm";
+        stockholm = if getEnv "dummy_secrets" == "true"
+          then "/var/lib/buildbot/slave/build-all/build"
+          else "/home/lass/stockholm";
       } // optionalAttrs config.krebs.build.host.secure {
         #secrets-master = "/home/lass/secrets/master";
       });
diff --git a/lass/2configs/exim-smarthost.nix b/lass/2configs/exim-smarthost.nix
index e9527fec5..1ba99c8cb 100644
--- a/lass/2configs/exim-smarthost.nix
+++ b/lass/2configs/exim-smarthost.nix
@@ -29,6 +29,7 @@ with config.krebs.lib;
       { from = "finanzamt@lassul.us"; to = lass.mail; }
       { from = "dominik@apanowicz.de"; to = "dma@ubikmedia.eu"; }
       { from = "netzclub@lassul.us"; to = lass.mail; }
+      { from = "nebenan@lassul.us"; to = lass.mail; }
     ];
     system-aliases = [
       { from = "mailer-daemon"; to = "postmaster"; }
diff --git a/lass/2configs/mail.nix b/lass/2configs/mail.nix
index 72d6f987f..7c050005b 100644
--- a/lass/2configs/mail.nix
+++ b/lass/2configs/mail.nix
@@ -10,8 +10,9 @@ let
     account default: prism
   '';
 
-  msmtp = pkgs.writeDashBin "msmtp" ''
-    exec ${pkgs.msmtp}/bin/msmtp -C ${msmtprc} $@
+  msmtp = pkgs.writeBashBin "msmtp" ''
+    ${pkgs.coreutils}/bin/tee >(${pkgs.notmuch}/bin/notmuch insert +sent) | \
+      ${pkgs.msmtp}/bin/msmtp -C ${msmtprc} $@
   '';
 
   muttrc = pkgs.writeText "muttrc" ''
@@ -42,7 +43,7 @@ let
     set nm_record = yes
     set nm_record_tags = "-inbox me archive"
     set virtual_spoolfile=yes                    # enable virtual folders
-    set sendmail="msmtp"                         # enables parsing of outgoing mail
+    set sendmail="${msmtp}/bin/msmtp"                         # enables parsing of outgoing mail
     set use_from=yes
     set envelope_from=yes
 
diff --git a/lass/2configs/nixpkgs.nix b/lass/2configs/nixpkgs.nix
index c893011a3..c6d8a5f8c 100644
--- a/lass/2configs/nixpkgs.nix
+++ b/lass/2configs/nixpkgs.nix
@@ -3,6 +3,6 @@
 {
   krebs.build.source.nixpkgs = {
       url = https://github.com/lassulus/nixpkgs;
-      rev = "f215f9e91e07473e61c9302aaa312c7350e98f0e";
+      rev = "7d932301fe1d98a1ef1872a7124e8809279def74";
     };
 }
diff --git a/lass/2configs/power-action.nix b/lass/2configs/power-action.nix
new file mode 100644
index 000000000..0ff8547c7
--- /dev/null
+++ b/lass/2configs/power-action.nix
@@ -0,0 +1,41 @@
+{ config, pkgs, ... }:
+
+let
+  suspend = pkgs.writeDash "suspend" ''
+    ${pkgs.systemd}/bin/systemctl suspend
+  '';
+
+  speak = text:
+    pkgs.writeDash "speak" ''
+      ${pkgs.espeak}/bin/espeak -v +whisper -s 110 "${text}"
+    '';
+
+in {
+  lass.power-action = {
+    enable = true;
+    plans.low-battery = {
+      upperLimit = 30;
+      lowerLimit = 25;
+      charging = false;
+      action = pkgs.writeDash "warn-low-battery" ''
+        ${speak "power level low"}
+      '';
+    };
+    plans.suspend = {
+      upperLimit = 10;
+      lowerLimit = 0;
+      charging = false;
+      action = pkgs.writeDash "suspend-wrapper" ''
+        /var/setuid-wrappers/sudo ${suspend}
+      '';
+    };
+  };
+
+  users.users.power-action.extraGroups = [
+    "audio"
+  ];
+
+  security.sudo.extraConfig = ''
+    ${config.lass.power-action.user.name} ALL= (root) NOPASSWD: ${suspend}
+  '';
+}
diff --git a/lass/2configs/pulse.nix b/lass/2configs/pulse.nix
new file mode 100644
index 000000000..3be482191
--- /dev/null
+++ b/lass/2configs/pulse.nix
@@ -0,0 +1,96 @@
+{ config, lib, pkgs, ... }:
+
+with config.krebs.lib;
+let
+  pkg = pkgs.pulseaudioLight;
+  runDir = "/run/pulse";
+
+  alsaConf = pkgs.writeText "asound.conf" ''
+    ctl_type.pulse {
+      libs.native = ${pkgs.alsaPlugins}/lib/alsa-lib/libasound_module_ctl_pulse.so;
+    }
+    pcm_type.pulse {
+      libs.native = ${pkgs.alsaPlugins}/lib/alsa-lib/libasound_module_pcm_pulse.so;
+    }
+    ctl.!default {
+      type pulse
+    }
+    pcm.!default {
+      type pulse
+    }
+  '';
+
+  clientConf = pkgs.writeText "client.conf" ''
+    autospawn=no
+    default-server = unix:${runDir}/socket
+  '';
+
+  daemonConf = pkgs.writeText "daemon.conf" ''
+    exit-idle-time=0
+    flat-volumes = no
+    default-fragments = 4
+    default-fragment-size-msec = 25
+  '';
+
+  configFile = pkgs.writeText "default.pa" ''
+    .include ${pkg}/etc/pulse/default.pa
+    load-module ${toString [
+      "module-native-protocol-unix"
+      "auth-anonymous=1"
+      "socket=${runDir}/socket"
+    ]}
+  '';
+in
+
+{
+  environment = {
+    etc = {
+      "asound.conf".source = alsaConf;
+      # XXX mkForce is not strong enough (and neither is mkOverride) to create
+      # /etc/pulse/client.conf, see pulseaudio-hack below for a solution.
+      #"pulse/client.conf" = mkForce { source = clientConf; };
+      #"pulse/client.conf".source = mkForce clientConf;
+      "pulse/default.pa".source = configFile;
+      "pulse/daemon.pa".source = daemonConf;
+    };
+    systemPackages = [
+      pkg
+    ] ++ optionals config.services.xserver.enable [
+      pkgs.pavucontrol
+    ];
+  };
+
+  # Allow PulseAudio to get realtime priority using rtkit.
+  security.rtkit.enable = true;
+
+  system.activationScripts.pulseaudio-hack = ''
+    ln -fns ${clientConf} /etc/pulse/client.conf
+  '';
+
+  systemd.services.pulse = {
+    wantedBy = [ "sound.target" ];
+    before = [ "sound.target" ];
+    environment = {
+      PULSE_RUNTIME_PATH = "${runDir}/home";
+    };
+    serviceConfig = {
+      ExecStart = "${pkg}/bin/pulseaudio";
+      ExecStartPre = pkgs.writeDash "pulse-start" ''
+        install -o pulse -g audio -m 0750 -d ${runDir}
+        install -o pulse -g audio -m 0700 -d ${runDir}/home
+      '';
+      PermissionsStartOnly = "true";
+      User = "pulse";
+    };
+  };
+
+  users = {
+    groups.pulse.gid = config.users.users.pulse.uid;
+    users.pulse = {
+      uid = genid "pulse";
+      group = "pulse";
+      extraGroups = [ "audio" ];
+      home = "${runDir}/home";
+    };
+  };
+}
diff --git a/lass/2configs/radio.nix b/lass/2configs/radio.nix
index 12a4ddf26..59678dbff 100644
--- a/lass/2configs/radio.nix
+++ b/lass/2configs/radio.nix
@@ -54,10 +54,6 @@ in {
     mpc_cli
   ];
 
-  security.sudo.extraConfig = ''
-    ${mainUser.name} ALL=(${name}) NOPASSWD: ALL
-  '';
-
   services.mpd = {
     enable = true;
     group = "radio";
@@ -66,7 +62,7 @@ in {
       audio_output {
           type        "shout"
           encoding    "ogg"
-          name        "my cool stream"
+          name        "the_playlist"
           host        "localhost"
           port        "8000"
           mount       "/radio.ogg"
@@ -83,7 +79,7 @@ in {
       # Optional Parameters
           user        "source"
       #   description "here is my long description"
-      #   genre       "jazz"
+         genre       "good music"
       } # end of audio_output
 
     '';
@@ -138,7 +134,7 @@ in {
     restartIfChanged = true;
 
     serviceConfig = {
-      ExecStart = "${autoAdd} 100";
+      ExecStart = "${autoAdd} 150";
     };
   };
 
diff --git a/lass/2configs/vim.nix b/lass/2configs/vim.nix
index 8295d9d49..9eed08635 100644
--- a/lass/2configs/vim.nix
+++ b/lass/2configs/vim.nix
@@ -1,158 +1,351 @@
-{ config, pkgs, ... }:
+{ config, lib, pkgs, ... }:
 
+with config.krebs.lib;
 let
-  customPlugins = {
-    mustang2 = pkgs.vimUtils.buildVimPlugin {
-      name = "Mustang2";
-      src = pkgs.fetchFromGitHub {
-        owner = "croaker";
-        repo = "mustang-vim";
-        rev = "6533d7d21bf27cae94d9c2caa575f627f003dfd5";
-        sha256 = "0zlmcrr04j3dkiivrhqi90f618lmnnnpvbz1b9msfs78cmgw9w67";
-      };
-    };
-    unimpaired = pkgs.vimUtils.buildVimPlugin {
-      name = "unimpaired-vim";
-      src = pkgs.fetchFromGitHub {
-        owner = "tpope";
-        repo = "vim-unimpaired";
-        rev = "11dc568dbfd7a56866a4354c737515769f08e9fe";
-        sha256 = "1an941j5ckas8l3vkfhchdzjwcray16229rhv3a1d4pbxifwshi8";
-      };
-    };
-    brogrammer = pkgs.vimUtils.buildVimPlugin {
-      name = "brogrammer";
-      src = pkgs.fetchFromGitHub {
-        owner = "marciomazza";
-        repo = "vim-brogrammer-theme";
-        rev = "3e412d8e8909d8d89eb5a4cbe955b5bc0833a3c3";
-        sha256 = "0am1qk8ls74z5ipgf9viacayq08y9i9vd7sxxiivwgsjh2ancbv6";
-      };
-    };
-    file-line = pkgs.vimUtils.buildVimPlugin {
-      name = "file-line";
-      src = pkgs.fetchFromGitHub {
-        owner = "bogado";
-        repo = "file-line";
-        rev = "f9ffa1879ad84ce4a386110446f395bc1795b72a";
-        sha256 = "173n47w9zd01rcyrrmm194v79xq7d1ggzr19n1lsxrqfgr2c1rvk";
-      };
-    };
+  out = {
+    environment.systemPackages = [
+      vim
+    ];
+
+    environment.etc.vimrc.source = vimrc;
+
+    environment.variables.EDITOR = mkForce "vim";
+    environment.variables.VIMINIT = ":so /etc/vimrc";
   };
 
-in {
+  extra-runtimepath = concatMapStringsSep "," (pkg: "${pkg.rtp}") [
+    pkgs.vimPlugins.Gundo
+    pkgs.vimPlugins.Syntastic
+    pkgs.vimPlugins.undotree
+    (pkgs.vimUtils.buildVimPlugin {
+      name = "file-line-1.0";
+      src = pkgs.fetchgit {
+        url = git://github.com/bogado/file-line;
+        rev = "refs/tags/1.0";
+        sha256 = "0z47zq9rqh06ny0q8lpcdsraf3lyzn9xvb59nywnarf3nxrk6hx0";
+      };
+    })
+    ((rtp: rtp // { inherit rtp; }) (pkgs.writeTextFile (let
+      name = "hack";
+    in {
+      name = "vim-color-${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
 
-  environment.systemPackages = [
-    (pkgs.vim_configurable.customize {
+        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
 
-    vimrcConfig.customRC = ''
-      set nocompatible
-      set t_Co=16
-      syntax on
-      " TODO autoload colorscheme file
-      set background=dark
-      colorscheme brogrammer
-      filetype off
-      filetype plugin indent on
+        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
 
-      imap <F1> <nop>
+        command! -n=0 -bar ShowSyntax :call ShowSyntax()
+      '';
+    })))
+  ];
 
-      set mouse=a
-      set ruler
-      set showmatch
-      set backspace=2
-      set visualbell
-      set encoding=utf8
-      set showcmd
-      set wildmenu
+  dirs = {
+    backupdir = "$HOME/.cache/vim/backup";
+    swapdir   = "$HOME/.cache/vim/swap";
+    undodir   = "$HOME/.cache/vim/undo";
+  };
+  files = {
+    viminfo   = "$HOME/.cache/vim/info";
+  };
 
-      set title
-      set titleold=
-      set titlestring=%t%(\ %M%)%(\ (%{expand(\"%:p:h\")})%)%(\ %a%)\ -\ %{v:servername}
+  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);
 
-      set autoindent
+  vim = pkgs.writeDashBin "vim" ''
+    set -efu
+    (umask 0077; exec ${pkgs.coreutils}/bin/mkdir -p ${toString mkdirs})
+    exec ${pkgs.neovim}/bin/nvim "$@"
+  '';
 
-      set ttyfast
+  vimrc = pkgs.writeText "vimrc" ''
+    set nocompatible
 
-      set pastetoggle=<INS>
+    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=${extra-runtimepath},$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
 
-      " Force Saving Files that Require Root Permission
-      command! W silent w !sudo tee "%" >/dev/null
+    filetype plugin indent on
 
-      nnoremap <C-c> :q<Return>
-      vnoremap < <gv
-      vnoremap > >gv
+    set t_Co=256
+    colorscheme hack
+    syntax on
 
-      nmap <esc>q :buffer
+    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}
 
-      "Tabwidth
-      set ts=2 sts=2 sw=2 et
+    au BufRead,BufNewFile *.nix so ${nix.vim}
 
-      " create Backup/tmp/undo dirs
-      function! InitBackupDir()
-        let l:parent = $HOME . '/.vim/'
-        let l:backup = l:parent . 'backups/'
-        let l:tmpdir = l:parent . 'tmp/'
-        let l:undodi = l:parent . 'undo/'
+    au BufRead,BufNewFile /dev/shm/* set nobackup nowritebackup noswapfile
 
-        if !isdirectory(l:parent)
-          call mkdir(l:parent)
-        endif
-        if !isdirectory(l:backup)
-          call mkdir(l:backup)
-        endif
-        if !isdirectory(l:tmpdir)
-          call mkdir(l:tmpdir)
-        endif
-        if !isdirectory(l:undodi)
-          call mkdir(l:undodi)
-        endif
-      endfunction
-      call InitBackupDir()
-
-      " Backups & Files
-      set backup
-      set backupdir=~/.vim/backups
-      set directory=~/.vim/tmp//
-      set viminfo='20,<1000,s100,h,n~/.vim/tmp/info
-      set undodir=$HOME/.vim/undo
-      set undofile
-
-      " highlight whitespaces
-      highlight ExtraWhitespace ctermbg=red guibg=red
-      match ExtraWhitespace /\s\+$/
-      autocmd BufWinEnter * match ExtraWhitespace /\s\+$/
-      autocmd InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
-      autocmd InsertLeave * match ExtraWhitespace /\s\+$/
-      autocmd BufWinLeave * call clearmatches()
-
-      "ft specific stuff
-      autocmd BufRead *.js,*.json set ts=2 sts=2 sw=2 et
-      autocmd BufRead *.hs set ts=4 sts=4 sw=4 et
-
-      "esc timeout
-      set timeoutlen=1000 ttimeoutlen=0
-
-      "foldfunctions
-      inoremap <F9> <C-O>za
-      nnoremap <F9> za
-      onoremap <F9> <C-C>za
-      vnoremap <F9> zf
-    '';
-
-      vimrcConfig.vam.knownPlugins = pkgs.vimPlugins // customPlugins;
-      vimrcConfig.vam.pluginDictionaries = [
-        { names = [
-          "brogrammer"
-          "file-line"
-          "Gundo"
-        ]; }
-        { names = [ "vim-addon-nix" ]; ft_regex = "^nix\$"; }
+    "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>
+  '';
+
+  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
+