Add sauce-connect, sauce labs secure tunnel

pkgs/development/tools/sauce-connect/default.nix

@@ -0,0 +1,40 @@
+{ stdenv, lib, fetchurl, zlib }:
+
+with lib;
+
+stdenv.mkDerivation rec {
+  name = "sauce-connect-${version}";
+  version = "4.3.6";
+
+  src = fetchurl (
+    if stdenv.system == "x86_64-linux" then {
+      url = "https://saucelabs.com/downloads/sc-${version}-linux.tar.gz";
+      sha1 = "0d7d2dc12766ac137e62a3e4dad3025b590f9782";
+    } else {
+      url = "https://saucelabs.com/downloads/sc-${version}-linux32.tar.gz";
+      sha1 = "ee2c3002eae3b29df801a2ac1db77bb5f1c97bcc";
+    }
+  );
+
+  patchPhase = ''
+    patchelf \
+      --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
+      --set-rpath "$out/lib:${makeLibraryPath [zlib]}" \
+      bin/sc
+  '';
+
+  installPhase = ''
+    mkdir -p $out
+    cp -r * $out
+  '';
+
+  dontStrip = true;
+
+  meta = {
+    description = "A secure tunneling app for executing tests securely when testing behind firewalls";
+    license = "unfree";
+    homepage = https://docs.saucelabs.com/reference/sauce-connect/;
+    maintainers = with maintainers; [offline];
+    platforms = with platforms; platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -4994,6 +4994,8 @@ let
 
   saleae-logic = callPackage ../development/tools/misc/saleae-logic { };
 
+  sauce-connect = callPackage ../development/tools/sauce-connect { };
+
   # couldn't find the source yet
   seleniumRCBin = callPackage ../development/tools/selenium/remote-control {
     jre = jdk;