Merge remote-tracking branch 'ni/master'

31 files changed, 486 insertions, 48 deletions

diff --git a/krebs/3modules/secret.nix b/krebs/3modules/secret.nix
index 67454d1f7..978939f69 100644
--- a/krebs/3modules/secret.nix
+++ b/krebs/3modules/secret.nix
@@ -3,6 +3,14 @@ with import <stockholm/lib>;
   cfg = config.krebs.secret;
 in {
   options.krebs.secret = {
+    directory = mkOption {
+      default = toString <secrets>;
+      type = types.absolute-pathname;
+    };
+    file = mkOption {
+      default = relpath: "${cfg.directory}/${relpath}";
+      readOnly = true;
+    };
     files = mkOption {
       type = with types; attrsOf secret-file;
       default = {};
diff --git a/krebs/3modules/tv/default.nix b/krebs/3modules/tv/default.nix
index c86fda05d..6a09cc834 100644
--- a/krebs/3modules/tv/default.nix
+++ b/krebs/3modules/tv/default.nix
@@ -52,7 +52,7 @@ in {
           '';
         };
       };
-      ssh.privkey.path = <secrets/ssh.id_rsa>;
+      ssh.privkey.path = config.krebs.secret.file "ssh.id_rsa";
       ssh.pubkey = "ssh-rsa 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";
     };
     au = {
@@ -79,7 +79,7 @@ in {
         };
       };
       secure = true;
-      ssh.privkey.path = <secrets/ssh.id_ed25519>;
+      ssh.privkey.path = config.krebs.secret.file "ssh.id_ed25519";
       ssh.pubkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBsqDuhGJpjpqNv4QmjoOhcODObrPyY3GHLvtVkgXV0g root@au";
     };
     mu = {
@@ -103,7 +103,7 @@ in {
           '';
         };
       };
-      ssh.privkey.path = <secrets/ssh.id_ed25519>;
+      ssh.privkey.path = config.krebs.secret.file "ssh.id_ed25519";
       ssh.pubkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM1vJsAddvxMA84u9iJEOrIkKn7pQiemMbfW5cfK1d7g root@mu";
     };
     ni = {
@@ -177,7 +177,7 @@ in {
         };
       };
       secure = true;
-      ssh.privkey.path = <secrets/ssh.id_ed25519>;
+      ssh.privkey.path = config.krebs.secret.file "ssh.id_ed25519";
       ssh.pubkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMIHmwXHV7E9UGuk4voVCADjlLkyygqNw054jvrsPn5t root@nomic";
     };
     wu = {
@@ -203,7 +203,7 @@ in {
         };
       };
       secure = true;
-      ssh.privkey.path = <secrets/ssh.id_ed25519>;
+      ssh.privkey.path = config.krebs.secret.file "ssh.id_ed25519";
       ssh.pubkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIcJvu8JDVzObLUtlAQg9qVugthKSfitwCljuJ5liyHa";
     };
     querel = {
@@ -262,7 +262,7 @@ in {
         };
       };
       secure = true;
-      ssh.privkey.path = <secrets/ssh.id_ed25519>;
+      ssh.privkey.path = config.krebs.secret.file "ssh.id_ed25519";
       ssh.pubkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPnjfceKuHNQu7S4eYFN1FqgzMqiL7haNZMh2ZLhvuhK root@xu";
     };
     zu = {
diff --git a/lib/default.nix b/lib/default.nix
index f02959bba..be9f60f3b 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -60,13 +60,17 @@ let
     }.${typeOf x};
 
     mapNixDir1 = f: dirPath:
+      let
+        toPackageName = name:
+          if test "^[0-9].*" name then "_${name}" else name;
+      in
       listToAttrs
         (map
           (relPath: let
             name = removeSuffix ".nix" relPath;
             path = dirPath + "/${relPath}";
           in
-            nameValuePair name (f path))
+            nameValuePair (toPackageName name) (f path))
           (filter
             (name: name != "default.nix" && !hasPrefix "." name)
             (attrNames (readDir dirPath))));
diff --git a/lib/types.nix b/lib/types.nix
index 3eda2262f..689a2c807 100644
--- a/lib/types.nix
+++ b/lib/types.nix
@@ -116,6 +116,10 @@ rec {
         type = listOf hostname;
         default = [];
       };
+      mac = mkOption {
+        type = nullOr str;
+        default = null;
+      };
       ip4 = mkOption {
         type = nullOr (submodule {
           options = {
diff --git a/tv/1systems/au/config.nix b/tv/1systems/au/config.nix
index fc4b216f5..3891b7570 100644
--- a/tv/1systems/au/config.nix
+++ b/tv/1systems/au/config.nix
@@ -3,6 +3,7 @@
     ./disks.nix
     <stockholm/tv>
     <stockholm/tv/2configs/hw/x220.nix>
+    <stockholm/tv/2configs/ppp.nix>
     <stockholm/tv/2configs/retiolum.nix>
   ];
 
diff --git a/tv/2configs/default.nix b/tv/2configs/default.nix
index 9db35184a..2d813fe32 100644
--- a/tv/2configs/default.nix
+++ b/tv/2configs/default.nix
@@ -1,7 +1,7 @@
 with import <stockholm/lib>;
 { config, pkgs, ... }: {
 
-  boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.kernelPackages = mkDefault pkgs.linuxPackages_latest;
 
   boot.tmpOnTmpfs = true;
 
@@ -68,18 +68,13 @@ with import <stockholm/lib>;
       ];
 
       environment.shellAliases = mkForce {
-        # alias cal='cal -m3'
         gp = "${pkgs.pari}/bin/gp -q";
         df = "df -h";
         du = "du -h";
-        # alias grep='grep --color=auto'
 
         # TODO alias cannot contain #\'
         # "ps?" = "ps ax | head -n 1;ps ax | fgrep -v ' grep --color=auto ' | grep";
 
-        # alias la='ls -lA'
-        lAtr = "ls -lAtr";
-        # alias ll='ls -l'
         ls = "ls -h --color=auto --group-directories-first";
         dmesg = "dmesg -L --reltime";
         view = "vim -R";
diff --git a/tv/2configs/ppp.nix b/tv/2configs/ppp.nix
index 9cc7568a5..ff61f943f 100644
--- a/tv/2configs/ppp.nix
+++ b/tv/2configs/ppp.nix
@@ -1,9 +1,25 @@
-{ pkgs, ... }: {
-
-  # usage: pppd call default
-
-  environment.etc."ppp/peers/default".text = ''
-    /dev/ttyACM2
+{ config, pkgs, ... }: let
+  lib = import <stockholm/lib>;
+  cfg = {
+    pin = "@${toString <secrets/o2.pin>}";
+    ttys.ppp = "/dev/ttyACM0";
+    ttys.com = "/dev/ttyACM1";
+  };
+in {
+  assertions = [
+    {
+      assertion = config.networking.resolvconf.enable;
+      message = "ppp configuration needs resolvconf";
+    }
+  ];
+  environment.etc."ppp/ip-up".source = pkgs.writeDash "ppp.ip-up" ''
+    ${pkgs.openresolv}/bin/resolvconf -a "$IFNAME" < /etc/ppp/resolv.conf
+  '';
+  environment.etc."ppp/ip-down".source = pkgs.writeDash "ppp.ip-down" ''
+    ${pkgs.openresolv}/bin/resolvconf -fd "$IFNAME"
+  '';
+  environment.etc."ppp/peers/o2".text = /* sh */ ''
+    ${cfg.ttys.ppp}
     921600
     crtscts
     defaultroute
@@ -16,17 +32,53 @@
     passive
     persist
     usepeerdns
-    connect "${pkgs.ppp}/bin/chat -f ${pkgs.writeText "default.chat" ''
+    connect "${pkgs.ppp}/bin/chat ''${DEBUG+-v} -Ss -f ${pkgs.writeText "o2.chat" /* sh */ ''
       ABORT "BUSY"
       ABORT "NO CARRIER"
       REPORT CONNECT
-      "" "ATDT*99#"
-      CONNECT
+      "*EMRDY: 1"
+      ATZ OK
+      AT+CFUN=1 OK
+      ${cfg.pin} TIMEOUT 2 ERROR-AT-OK
+      AT+CGDCONT=1,\042IP\042,\042internet\042 OK
+      ATDT*99***1# CONNECT
     ''}"
   '';
-
-  environment.systemPackages = [
-    pkgs.ppp
+  users.users.root.packages = [
+    (pkgs.writeDashBin "connect" ''
+      # usage:
+      #   connect wlan
+      #   connect wwan [PEERNAME]
+      set -efu
+      rfkill_wlan=/sys/class/rfkill/rfkill2
+      rfkill_wwan=/sys/class/rfkill/rfkill1
+      case $1 in
+        wlan)
+          ${pkgs.procps}/bin/pkill pppd || :
+          echo 0 > "$rfkill_wwan"/state
+          echo 1 > "$rfkill_wlan"/state
+          ;;
+        wwan)
+          name=''${2-o2}
+          echo 0 > "$rfkill_wlan"/state
+          echo 1 > "$rfkill_wwan"/state
+          ${pkgs.ppp}/bin/pppd call "$name" updetach
+          ;;
+        *)
+          echo "$0: error: bad arguments: $*" >&2
+          exit 1
+      esac
+    '')
+    (pkgs.writeDashBin "modem-send" ''
+      # usage: modem-send ATCOMMAND
+      set -efu
+      tty=${lib.shell.escape cfg.ttys.com}
+      exec <"$tty"
+      printf '%s\r\n' "$1" >"$tty"
+      ${pkgs.gnused}/bin/sed -E '
+        /^OK\r?$/q
+        /^ERROR\r?$/q
+      '
+    '')
   ];
-
 }
diff --git a/tv/2configs/sshd.nix b/tv/2configs/sshd.nix
index 25468f23e..79af5b01f 100644
--- a/tv/2configs/sshd.nix
+++ b/tv/2configs/sshd.nix
@@ -1,10 +1,22 @@
-{ config, lib, pkgs, ... }:
-
 with import <stockholm/lib>;
-
-{
+{ config, ... }: let
+  cfg.host = config.krebs.build.host;
+in {
   services.openssh = {
     enable = true;
   };
   tv.iptables.input-internet-accept-tcp = singleton "ssh";
+  tv.iptables.extra.nat.OUTPUT = [
+    "-o lo -p tcp --dport 11423 -j REDIRECT --to-ports 22"
+  ];
+  tv.iptables.extra4.nat.PREROUTING = [
+    "-d ${cfg.host.nets.retiolum.ip4.addr} -p tcp --dport 22 -j ACCEPT"
+  ];
+  tv.iptables.extra6.nat.PREROUTING = [
+    "-d ${cfg.host.nets.retiolum.ip6.addr} -p tcp --dport 22 -j ACCEPT"
+  ];
+  tv.iptables.extra.nat.PREROUTING = [
+    "-p tcp --dport 22 -j REDIRECT --to-ports 0"
+    "-p tcp --dport 11423 -j REDIRECT --to-ports 22"
+  ];
 }
diff --git a/tv/2configs/xserver/default.nix b/tv/2configs/xserver/default.nix
index 4e9e30741..032df5d90 100644
--- a/tv/2configs/xserver/default.nix
+++ b/tv/2configs/xserver/default.nix
@@ -6,6 +6,19 @@ let
     configDir = "/var/empty";
     dataDir = "/run/xdg/${cfg.user.name}/xmonad";
     user = config.krebs.build.user;
+    xmonad.pkg = pkgs.haskellPackages.xmonad-tv.overrideAttrs (_: {
+      au = {
+        XMONAD_BUILD_SCREEN_WIDTH = 1920;
+        XMONAD_BUILD_TERM_FONT_WIDTH = 10;
+        XMONAD_BUILD_TERM_FONT = "xft:Input Mono:size=12:style=Regular";
+        XMONAD_BUILD_TERM_PADDING = 2;
+      };
+    }.${config.krebs.build.host.name} or {
+      XMONAD_BUILD_SCREEN_WIDTH = 1366;
+      XMONAD_BUILD_TERM_FONT_WIDTH = 6;
+      XMONAD_BUILD_TERM_FONT = "-*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-1";
+      XMONAD_BUILD_TERM_PADDING = 2;
+    });
   };
 in {
 
@@ -51,7 +64,7 @@ in {
   systemd.services.display-manager.enable = false;
 
   systemd.services.xmonad = let
-    xmonad = "${pkgs.haskellPackages.xmonad-tv}/bin/xmonad";
+    xmonad = "${cfg.xmonad.pkg}/bin/xmonad";
     xmonad-start = pkgs.writeDash "xmonad-start" ''
       ${pkgs.coreutils}/bin/mkdir -p "$XMONAD_CACHE_DIR"
       ${pkgs.coreutils}/bin/mkdir -p "$XMONAD_CONFIG_DIR"
diff --git a/tv/3modules/iptables.nix b/tv/3modules/iptables.nix
index 3974760d5..9cf0bd5a2 100644
--- a/tv/3modules/iptables.nix
+++ b/tv/3modules/iptables.nix
@@ -135,15 +135,8 @@ let {
       :INPUT ACCEPT [0:0]
       :OUTPUT ACCEPT [0:0]
       :POSTROUTING ACCEPT [0:0]
-      ${concatMapStringsSep "\n" (rule: "-A PREROUTING ${rule}") [
-        "! -i retiolum -p tcp -m tcp --dport 22 -j REDIRECT --to-ports 0"
-        "-p tcp -m tcp --dport 11423 -j REDIRECT --to-ports 22"
-      ]}
-      ${concatMapStringsSep "\n" (rule: "-A OUTPUT ${rule}") [
-        "-o lo -p tcp -m tcp --dport 11423 -j REDIRECT --to-ports 22"
-      ]}
-      ${formatTable cfg.extra.nat}
       ${formatTable cfg."extra${toString iptables-version}".nat}
+      ${formatTable cfg.extra.nat}
       COMMIT
       *filter
       :INPUT DROP [0:0]
diff --git a/tv/5pkgs/haskell/th-env/default.nix b/tv/5pkgs/haskell/th-env/default.nix
new file mode 100644
index 000000000..474a63b85
--- /dev/null
+++ b/tv/5pkgs/haskell/th-env/default.nix
@@ -0,0 +1,10 @@
+{ mkDerivation, base, stdenv, template-haskell, text }:
+mkDerivation {
+  pname = "th-env";
+  version = "1.0.0";
+  src = ./.;
+  libraryHaskellDepends = [ base template-haskell text ];
+  homepage = "https://stackoverflow.com/q/57635686";
+  license = "unknown";
+  hydraPlatforms = stdenv.lib.platforms.none;
+}
diff --git a/tv/5pkgs/haskell/th-env/src/THEnv.hs b/tv/5pkgs/haskell/th-env/src/THEnv.hs
new file mode 100644
index 000000000..b04f2ce0b
--- /dev/null
+++ b/tv/5pkgs/haskell/th-env/src/THEnv.hs
@@ -0,0 +1,49 @@
+{-# LANGUAGE TemplateHaskell #-}
+module THEnv
+    (
+    -- * Compile-time configuration
+      lookupCompileEnv
+    , lookupCompileEnvExp
+    , getCompileEnv
+    , getCompileEnvExp
+    , fileAsString
+    ) where
+
+import Control.Monad
+import qualified Data.Text as T
+import qualified Data.Text.IO as T
+import Language.Haskell.TH
+import Language.Haskell.TH.Syntax (Lift(..))
+import System.Environment (getEnvironment)
+
+-- Functions that work with compile-time configuration
+
+-- | Looks up a compile-time environment variable.
+lookupCompileEnv :: String -> Q (Maybe String)
+lookupCompileEnv key = lookup key `liftM` runIO getEnvironment
+
+-- | Looks up a compile-time environment variable. The result is a TH
+-- expression of type @Maybe String@.
+lookupCompileEnvExp :: String -> Q Exp
+lookupCompileEnvExp = (`sigE` [t| Maybe String |]) . lift <=< lookupCompileEnv
+    -- We need to explicly type the result so that things like `print Nothing`
+    -- work.
+
+-- | Looks up an compile-time environment variable and fail, if it's not
+-- present.
+getCompileEnv :: String -> Q String
+getCompileEnv key =
+  lookupCompileEnv key >>=
+  maybe (fail $ "Environment variable " ++ key ++ " not defined") return
+
+-- | Looks up an compile-time environment variable and fail, if it's not
+-- present. The result is a TH expression of type @String@.
+getCompileEnvExp :: String -> Q Exp
+getCompileEnvExp = lift <=< getCompileEnv
+
+-- | Loads the content of a file as a string constant expression.
+-- The given path is relative to the source directory.
+fileAsString :: FilePath -> Q Exp
+fileAsString = do
+  -- addDependentFile path -- works only with template-haskell >= 2.7
+  stringE . T.unpack . T.strip <=< runIO . T.readFile
diff --git a/tv/5pkgs/haskell/th-env/th-env.cabal b/tv/5pkgs/haskell/th-env/th-env.cabal
new file mode 100644
index 000000000..b9a2cff39
--- /dev/null
+++ b/tv/5pkgs/haskell/th-env/th-env.cabal
@@ -0,0 +1,20 @@
+name: th-env
+version: 1.0.0
+-- license: https://creativecommons.org/licenses/by-sa/4.0/
+license: OtherLicense
+author: https://stackoverflow.com/users/9348482
+homepage: https://stackoverflow.com/q/57635686
+maintainer: tv <tv@krebsco.de>
+build-type: Simple
+cabal-version: >=1.10
+
+library
+  hs-source-dirs: src
+  build-depends:
+    base,
+    template-haskell,
+    text
+  exposed-modules:
+    THEnv
+  default-language: Haskell2010
+  ghc-options: -O2 -Wall
diff --git a/tv/5pkgs/haskell/xmonad-tv/default.nix b/tv/5pkgs/haskell/xmonad-tv/default.nix
index 42eb13d41..36dffaa13 100644
--- a/tv/5pkgs/haskell/xmonad-tv/default.nix
+++ b/tv/5pkgs/haskell/xmonad-tv/default.nix
@@ -1,5 +1,6 @@
-{ mkDerivation, base, containers, directory, extra, stdenv, unix
-, X11, xmonad, xmonad-contrib, xmonad-stockholm
+{ mkDerivation, aeson, base, bytestring, containers, directory
+, extra, stdenv, template-haskell, th-env, unix, X11, xmonad
+, xmonad-contrib, xmonad-stockholm
 }:
 mkDerivation {
   pname = "xmonad-tv";
@@ -8,8 +9,8 @@ mkDerivation {
   isLibrary = false;
   isExecutable = true;
   executableHaskellDepends = [
-    base containers directory extra unix X11 xmonad xmonad-contrib
-    xmonad-stockholm
+    aeson base bytestring containers directory extra template-haskell
+    th-env unix X11 xmonad xmonad-contrib xmonad-stockholm
   ];
   license = stdenv.lib.licenses.mit;
 }
diff --git a/tv/5pkgs/haskell/xmonad-tv/src/THEnv/JSON.hs b/tv/5pkgs/haskell/xmonad-tv/src/THEnv/JSON.hs
new file mode 100644
index 000000000..2a3a0e523
--- /dev/null
+++ b/tv/5pkgs/haskell/xmonad-tv/src/THEnv/JSON.hs
@@ -0,0 +1,18 @@
+{-# LANGUAGE ScopedTypeVariables #-}
+
+module THEnv.JSON where
+
+import Data.Aeson (eitherDecode,FromJSON)
+import Data.ByteString.Lazy.Char8 (pack)
+import Language.Haskell.TH.Syntax (Exp,Lift(lift),Q)
+import THEnv (getCompileEnv)
+import Control.Monad
+
+getCompileEnvJSON :: (FromJSON a) => String -> Q a
+getCompileEnvJSON name =
+    either error (id :: a -> a) . eitherDecode . pack <$>  getCompileEnv name
+
+getCompileEnvJSONExp ::
+  forall proxy a. (FromJSON a, Lift a) => proxy a -> String -> Q Exp
+getCompileEnvJSONExp _ =
+    (lift :: a -> Q Exp) <=< getCompileEnvJSON
diff --git a/tv/5pkgs/haskell/xmonad-tv/src/main.hs b/tv/5pkgs/haskell/xmonad-tv/src/main.hs
index c83b411bd..b8ddd27e8 100644
--- a/tv/5pkgs/haskell/xmonad-tv/src/main.hs
+++ b/tv/5pkgs/haskell/xmonad-tv/src/main.hs
@@ -1,4 +1,6 @@
 {-# LANGUAGE LambdaCase #-}
+{-# LANGUAGE TemplateHaskell #-}
+{-# LANGUAGE TypeApplications #-}
 
 module Main (main) where
 
@@ -32,10 +34,23 @@ import XMonad.Stockholm.Pager
 import XMonad.Stockholm.Shutdown
 import qualified Paths
 
+import THEnv.JSON (getCompileEnvJSONExp)
+
 
 myFont :: String
 myFont = "-schumacher-*-*-*-*-*-*-*-*-*-*-*-iso10646-*"
 
+myScreenWidth :: Dimension
+myScreenWidth =
+  $(getCompileEnvJSONExp (id @Dimension) "XMONAD_BUILD_SCREEN_WIDTH")
+
+myTermFontWidth :: Dimension
+myTermFontWidth =
+  $(getCompileEnvJSONExp (id @Dimension) "XMONAD_BUILD_TERM_FONT_WIDTH")
+
+myTermPadding :: Dimension
+myTermPadding = 2
+
 
 main :: IO ()
 main = getArgs >>= \case
@@ -46,7 +61,6 @@ main = getArgs >>= \case
 
 mainNoArgs :: IO ()
 mainNoArgs = do
-    let width = 1366
     workspaces0 <- getWorkspaces0
     handleShutdownEvent <- newShutdownEventHandler
     launch
@@ -60,8 +74,9 @@ mainNoArgs = do
                 smartBorders $
                   ResizableTall
                     1
-                    (10 * 6 / width)
-                    ((80 * 6 + 2 * (1+1+1))/width) []
+                    (fromIntegral (10 * myTermFontWidth) / fromIntegral myScreenWidth)
+                    (fromIntegral (80 * myTermFontWidth + 2 * (myTermPadding + borderWidth def)) / fromIntegral myScreenWidth)
+                    []
                   |||
                   Full
             , manageHook =
diff --git a/tv/5pkgs/haskell/xmonad-tv/src/xmonad-tv.cabal b/tv/5pkgs/haskell/xmonad-tv/src/xmonad-tv.cabal
index f10bc4aeb..d07e2b159 100644
--- a/tv/5pkgs/haskell/xmonad-tv/src/xmonad-tv.cabal
+++ b/tv/5pkgs/haskell/xmonad-tv/src/xmonad-tv.cabal
@@ -9,10 +9,14 @@ cabal-version: >=1.10
 executable xmonad
   main-is: main.hs
   build-depends:
+    aeson,
     base,
+    bytestring,
     containers,
     directory,
     extra,
+    template-haskell,
+    th-env,
     unix,
     X11,
     xmonad,
@@ -20,6 +24,7 @@ executable xmonad
     xmonad-stockholm
   other-modules:
     Helpers.Path,
-    Paths
+    Paths,
+    THEnv.JSON
   default-language: Haskell2010
   ghc-options: -O2 -Wall -threaded
diff --git a/tv/5pkgs/override/default.nix b/tv/5pkgs/override/default.nix
index 99c1b3ec9..d18d66506 100644
--- a/tv/5pkgs/override/default.nix
+++ b/tv/5pkgs/override/default.nix
@@ -1,5 +1,18 @@
 with import <stockholm/lib>;
 self: super: {
+  input-fonts = super.input-fonts.overrideAttrs (old: rec {
+    src = self.fetchurl {
+      url = "http://xu.r/~tv/mirrors/input-fonts/Input-Font-2.zip";
+      sha256 = "1vvipqcflz4ximy7xpqy9idrdpq3a0c490hp5137r2dq03h865y0";
+    };
+    outputHash = null;
+    outputHashAlgo = null;
+    outputHashMode = null;
+  });
+
+  nix-prefetch-github =
+    self.python3Packages.callPackage ./nix-prefetch-github.nix {};
+
   rxvt_unicode = self.callPackage ./rxvt_unicode.nix {
     rxvt_unicode = super.rxvt_unicode;
   };
diff --git a/tv/5pkgs/override/nix-prefetch-github.nix b/tv/5pkgs/override/nix-prefetch-github.nix
new file mode 100644
index 000000000..67873f929
--- /dev/null
+++ b/tv/5pkgs/override/nix-prefetch-github.nix
@@ -0,0 +1,47 @@
+{ fetchPypi
+, lib
+, buildPythonPackage
+, pythonOlder
+, attrs
+, click
+, effect
+, jinja2
+, git
+, pytestCheckHook
+, pytest-black
+, pytestcov
+, pytest-isort
+}:
+
+buildPythonPackage rec {
+  pname = "nix-prefetch-github";
+  version = "3.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-EN+EbVXUaf+id5UsK4EBm/9k9FYaH79g08kblvW60XA=";
+  };
+
+  propagatedBuildInputs = [
+    attrs
+    click
+    effect
+    jinja2
+  ];
+
+  checkInputs = [ pytestCheckHook pytest-black pytestcov pytest-isort git ];
+  checkPhase = ''
+    pytest -m 'not network'
+  '';
+
+  # latest version of isort will cause tests to fail
+  # ignore tests which are impure
+  disabledTests = [ "isort" "life" "outputs" "fetch_submodules" ];
+
+  meta = with lib; {
+    description = "Prefetch sources from github";
+    homepage = "https://github.com/seppeljordan/nix-prefetch-github";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ seppeljordan ];
+  };
+}
diff --git a/tv/5pkgs/rpi/433Utils/RPi_utils.codesend.codestring.patch b/tv/5pkgs/rpi/433Utils/RPi_utils.codesend.codestring.patch
new file mode 100644
index 000000000..447e42f1d
--- /dev/null
+++ b/tv/5pkgs/rpi/433Utils/RPi_utils.codesend.codestring.patch
@@ -0,0 +1,24 @@
+--- a/RPi_utils/codesend.cpp
++++ b/RPi_utils/codesend.cpp
+@@ -40,18 +40,18 @@ int main(int argc, char *argv[]) {
+     }
+ 
+     // Change protocol and pulse length accroding to parameters
+-    int code = atoi(argv[1]);
++    const char *code = argv[1];
+     if (argc >= 3) protocol = atoi(argv[2]);
+     if (argc >= 4) pulseLength = atoi(argv[3]);
+     
+     if (wiringPiSetup () == -1) return 1;
+-    printf("sending code[%i]\n", code);
++    printf("sending code[%s]\n", code);
+     RCSwitch mySwitch = RCSwitch();
+     if (protocol != 0) mySwitch.setProtocol(protocol);
+     if (pulseLength != 0) mySwitch.setPulseLength(pulseLength);
+     mySwitch.enableTransmit(PIN);
+     
+-    mySwitch.send(code, 24);
++    mySwitch.send(code);
+     
+     return 0;
+ 
diff --git a/tv/5pkgs/rpi/433Utils/default.nix b/tv/5pkgs/rpi/433Utils/default.nix
new file mode 100644
index 000000000..78be6de35
--- /dev/null
+++ b/tv/5pkgs/rpi/433Utils/default.nix
@@ -0,0 +1,42 @@
+{ fetchFromGitHub, stdenv
+, wiringPi ? WiringPi.wiringPi
+, wiringPiDev ? WiringPi.wiringPiDev
+, WiringPi ? rpiPackages.WiringPi
+, rpiPackages
+}:
+
+stdenv.mkDerivation {
+  pname = "433Utils-RPi_utils";
+  version = "2018-06-07";
+
+  src = fetchFromGitHub (stdenv.lib.importJSON ./src.json);
+
+  patches = [
+    ./rc-switch.protocols.patch
+    ./RPi_utils.codesend.codestring.patch
+  ];
+
+  buildPhase = ''
+    runHook postBuild
+
+    make -C RPi_utils
+
+    runHook preBuild
+  '';
+
+  buildInputs = [
+    wiringPi
+    wiringPiDev
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin
+    for name in send codesend RFSniffer; do
+      cp RPi_utils/$name $out/bin/
+    done
+
+    runHook postInstall
+  '';
+}
diff --git a/tv/5pkgs/rpi/433Utils/rc-switch.protocols.patch b/tv/5pkgs/rpi/433Utils/rc-switch.protocols.patch
new file mode 100644
index 000000000..41304ef8e
--- /dev/null
+++ b/tv/5pkgs/rpi/433Utils/rc-switch.protocols.patch
@@ -0,0 +1,10 @@
+--- a/rc-switch/RCSwitch.cpp
++++ b/rc-switch/RCSwitch.cpp
+@@ -78,6 +78,7 @@ static const RCSwitch::Protocol PROGMEM proto[] = {
+     { 100, { 30, 71 }, {  4, 11 }, {  9,  6 } },    // protocol 3
+     { 380, {  1,  6 }, {  1,  3 }, {  3,  1 } },    // protocol 4
+     { 500, {  6, 14 }, {  1,  2 }, {  2,  1 } },    // protocol 5
++    { 136, {  1, 31 }, {  1,  3 }, {  3,  1 } },    // protocol 6
+ };
+ 
+ enum {
diff --git a/tv/5pkgs/rpi/433Utils/src.json b/tv/5pkgs/rpi/433Utils/src.json
new file mode 100644
index 000000000..3cf232788
--- /dev/null
+++ b/tv/5pkgs/rpi/433Utils/src.json
@@ -0,0 +1,7 @@
+{
+    "owner": "ninjablocks",
+    "repo": "433Utils",
+    "rev": "31c0ea4e158287595a6f6116b6151e72691e1839",
+    "sha256": "04r2qlkdsz46qgpnbizrfccz1i0qlkb1iqz0jzyq4fzvksqp9dg1",
+    "fetchSubmodules": true
+}
\ No newline at end of file
diff --git a/tv/5pkgs/rpi/WiringPi/default.nix b/tv/5pkgs/rpi/WiringPi/default.nix
new file mode 100644
index 000000000..61c43556d
--- /dev/null
+++ b/tv/5pkgs/rpi/WiringPi/default.nix
@@ -0,0 +1,61 @@
+{ fetchFromGitHub, runCommand, stdenv }:
+
+let
+  generic = name: extraAttrs:
+    stdenv.mkDerivation ({
+      pname = "WiringPi-${name}";
+      version = "2020-09-14";
+
+      src = fetchFromGitHub (stdenv.lib.importJSON ./src.json);
+
+      buildPhase = ''
+        runHook postBuild
+
+        make -C ${name} all
+
+        runHook preBuild
+      '';
+
+      installPhase = ''
+        runHook preInstall
+
+        export DESTDIR=$out
+        e