4 files changed, 70 insertions, 18 deletions
diff --git a/krebs/5pkgs/builders.nix b/krebs/5pkgs/builders.nix
index b3cb1c943..fa51857ba 100644
--- a/krebs/5pkgs/builders.nix
+++ b/krebs/5pkgs/builders.nix
@@ -1,19 +1,30 @@
-{ lib, pkgs, ... }:
-with lib;
-{
-  execve = name: { filename, argv, envp ? {}, destination ? "" }:
-    writeC name { inherit destination; } ''
-      #include <unistd.h>
-      int main () {
-        const char *filename = ${toC filename};
-        char *const argv[] = ${toC (argv ++ [null])};
-        char *const envp[] = ${toC (
-          mapAttrsToList (k: v: "${k}=${v}") envp ++ [null]
-        )};
-        execve(filename, argv, envp);
-        return -1;
-      }
-    '';
+{ config, lib, pkgs, ... }:
+with config.krebs.lib;
+rec {
+  execve = name: { filename, argv ? null, envp ? {}, destination ? "" }: let
+  in writeC name { inherit destination; } ''
+    #include <unistd.h>
+
+    static char *const filename = ${toC filename};
+
+    ${if argv == null
+      then /* Propagate arguments */ ''
+        #define MAIN_ARGS int argc, char **argv
+      ''
+      else /* Provide fixed arguments */ ''
+        #define MAIN_ARGS void
+        static char *const argv[] = ${toC (argv ++ [null])};
+      ''}
+
+    static char *const envp[] = ${toC (
+      mapAttrsToList (k: v: "${k}=${v}") envp ++ [null]
+    )};
+
+    int main (MAIN_ARGS) {
+      execve(filename, argv, envp);
+      return -1;
+    }
+  '';
 
   execveBin = name: cfg: execve name (cfg // { destination = "/bin/${name}"; });
 
diff --git a/krebs/5pkgs/default.nix b/krebs/5pkgs/default.nix
index 1cf3de56e..d395fe00a 100644
--- a/krebs/5pkgs/default.nix
+++ b/krebs/5pkgs/default.nix
@@ -1,5 +1,5 @@
-{ lib, pkgs, ... }@args:
-with lib;
+{ config, lib, pkgs, ... }@args:
+with config.krebs.lib;
 {
   nixpkgs.config.packageOverrides = pkgs: {
     haskellPackages = pkgs.haskellPackages.override {
diff --git a/krebs/5pkgs/noVNC/default.nix b/krebs/5pkgs/noVNC/default.nix
new file mode 100644
index 000000000..629d288ae
--- /dev/null
+++ b/krebs/5pkgs/noVNC/default.nix
@@ -0,0 +1,21 @@
+{ fetchgit, lib, stdenv, ... }:
+with builtins;
+with lib;
+stdenv.mkDerivation rec {
+  name = "${baseNameOf src.name}-${removePrefix "refs/tags/v" src.rev}";
+
+  src = fetchgit {
+    url = https://github.com/kanaka/noVNC;
+    rev = "refs/tags/v0.5.1";
+    sha256 = "1azsnppwnrsv3axj0r5bw8lfarkibgz5vhgcyj8dzn4afn98f55w";
+  };
+
+  phases = [
+    "unpackPhase"
+    "installPhase"
+  ];
+
+  installPhase = ''
+    cp -R . $out
+  '';
+}
diff --git a/krebs/5pkgs/vncdotool/default.nix b/krebs/5pkgs/vncdotool/default.nix
new file mode 100644
index 000000000..95e2ca706
--- /dev/null
+++ b/krebs/5pkgs/vncdotool/default.nix
@@ -0,0 +1,20 @@
+{ lib, pythonPackages, fetchurl, ... }:
+with pythonPackages; buildPythonPackage rec {
+  name = lib.removeSuffix ".tar.gz" (builtins.baseNameOf src.name);
+
+  src = fetchurl {
+    url = https://pypi.python.org/packages/source/v/vncdotool/vncdotool-0.9.0.tar.gz;
+    sha256 = "1hl44w4x9c8air0g6kp9h1af2vj4lmc50vnsxmca9g080740iyvi";
+  };
+
+  propagatedBuildInputs = [
+    twisted
+    pillow
+  ];
+
+  meta = {
+    homepage = https://github.com/sibson/vncdotool;
+    description = "A command line VNC client and python library";
+    license = lib.licenses.mit;
+  };
+}