add ngrok: Reverse proxy that creates a secure tunnel between from a public endpoint to a locally running web service

pkgs/tools/misc/ngrok/default.nix

@@ -0,0 +1,34 @@
+{ stdenv, fetchurl, go, git, mercurial, bazaar, cacert }:
+
+stdenv.mkDerivation rec {
+  name = "ngrok-${version}";
+  version = "1.6";
+
+  src = fetchurl {
+    url = "https://github.com/inconshreveable/ngrok/archive/${version}.tar.gz";
+    sha256 = "0w54ck00ma8wd87gc3dligypdjs7vrzbi9py46sqphsid3rihkjr";
+  };
+
+  buildInputs = [ go git mercurial bazaar ];
+
+  GIT_SSL_CAINFO = "${cacert}/etc/ca-bundle.crt";
+
+  preBuild = ''
+    export HOME="$PWD"
+  '';
+
+  installPhase = ''
+    make release-client
+    mkdir -p $out/bin
+    cp bin/ngrok $out/bin
+    cp -R assets $out/
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Reverse proxy that creates a secure tunnel between from a public endpoint to a locally running web service";
+    homepage = https://ngrok.com/;
+    license = licenses.asl20;
+    maintainers = with maintainers; [ iElectric ];
+    platforms = stdenv.lib.platforms.all;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -1407,6 +1407,8 @@ let
 
   newsbeuter = callPackage ../applications/networking/feedreaders/newsbeuter { };
 
+  ngrok = callPackage ../tools/misc/ngrok { };
+
   mpack = callPackage ../tools/networking/mpack { };
 
   pa_applet = callPackage ../tools/audio/pa-applet { };