lass 5: add go url shortener

lass/5pkgs/default.nix

@@ -13,4 +13,5 @@ rec {
     ublock = callPackage ./firefoxPlugins/ublock.nix {};
     vimperator = callPackage ./firefoxPlugins/vimperator.nix {};
   };
+  go = callPackage ./go/default.nix {};
 }

lass/5pkgs/go/default.nix

@@ -0,0 +1,61 @@
+{ stdenv, makeWrapper, lib, buildEnv, fetchgit, nodePackages, nodejs }:
+
+with lib;
+
+let
+  np = nodePackages.override {
+    generated = ./packages.nix;
+    self = np;
+  };
+
+  node_env = buildEnv {
+    name = "node_env";
+    paths = [
+      np.redis
+      np."formidable"
+    ];
+    pathsToLink = [ "/lib" ];
+    ignoreCollisions = true;
+  };
+
+in nodePackages.buildNodePackage {
+  name = "go";
+
+  src = fetchgit {
+    url = "http://cgit.echelon/go/";
+    rev = "05d02740e0adbb36cc461323647f0c1e7f493156";
+    sha256 = "6015c9a93317375ae8099c7ab982df0aa93a59ec2b48972e253887bb6ca0004f";
+  };
+
+  phases = [
+    "unpackPhase"
+    "installPhase"
+  ];
+
+  deps = (filter (v: nixType v == "derivation") (attrValues np));
+
+  buildInputs = [
+    nodejs
+    nodePackages.redis
+    np.formidable
+    makeWrapper
+  ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+
+    find ${node_env}
+
+    cp index.js $out/
+    cat > $out/go << EOF
+      ${nodejs}/bin/node $out/index.js
+    EOF
+    chmod +x $out/go
+
+    wrapProgram $out/go \
+      --prefix NODE_PATH : ${node_env}/lib/node_modules
+
+     ln -s $out/go /$out/bin/go
+  '';
+
+}

lass/5pkgs/go/packages.nix

@@ -0,0 +1,44 @@
+{ self, fetchurl, fetchgit ? null, lib }:
+
+{
+  by-spec."formidable"."*" =
+    self.by-version."formidable"."1.0.17";
+  by-version."formidable"."1.0.17" = self.buildNodePackage {
+    name = "formidable-1.0.17";
+    version = "1.0.17";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/formidable/-/formidable-1.0.17.tgz";
+      name = "formidable-1.0.17.tgz";
+      sha1 = "ef5491490f9433b705faa77249c99029ae348559";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  "formidable" = self.by-version."formidable"."1.0.17";
+  by-spec."redis"."*" =
+    self.by-version."redis"."2.1.0";
+  by-version."redis"."2.1.0" = self.buildNodePackage {
+    name = "redis-2.1.0";
+    version = "2.1.0";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/redis/-/redis-2.1.0.tgz";
+      name = "redis-2.1.0.tgz";
+      sha1 = "38acb208f90750250f9451219b73ff08ae907f94";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  "redis" = self.by-version."redis"."2.1.0";
+}

lass/5pkgs/go/result

@@ -0,0 +1 @@
+/nix/store/nizallgwxcx4fz9awyfp9i17avfymlvx-nodejs-go