add: nix-kernel

kernels/default.nix

@@ -6,6 +6,7 @@
   iRWith = callPackage ./irkernel;
   iPythonWith = callPackage ./ipython;
   iRubyWith = callPackage ./iruby;
+  iNixKernel = callPackage ./inix;
   cKernelWith = callPackage ./ckernel;
   ansibleKernel = callPackage ./ansible-kernel;
   xeusCling = callPackage ./xeus-cling;

kernels/inix/README.md

@@ -0,0 +1,12 @@
+# JupyterWith Nix
+
+The Nix kernel can be used as follows:
+
+```nix
+{
+iNix = jupyter.kernels.iNixKernel {
+    # Identifier that will appear on the Jupyter interface.
+    name = "Nix-kernel";
+  };
+}
+```

kernels/inix/default.nix

@@ -0,0 +1,48 @@
+{ python3
+, stdenv
+, name ? "nixpkgs"
+, callPackage
+, nix
+, writeScriptBin
+}:
+
+let
+  nix-kernel = callPackage ./nix-kernel {};
+  kernelEnv = (python3.withPackages (p: (with p; [
+    nix-kernel
+  ])
+  ));
+
+  kernelFile = {
+    display_name = "Nix - ${name}";
+    language = "Nix";
+    argv = [
+      "${nix-bin}/bin/nix-kernel"
+      "-f"
+      "{connection_file}"
+    ];
+    logo64 = "logo-64x64.png";
+  };
+
+  nix-bin =  writeScriptBin "nix-kernel" ''
+      #! ${stdenv.shell}
+      PATH=${nix}/bin/:${kernelEnv}/bin:$PATH
+      exec python -m nix-kernel $@
+        '';
+
+  iNixKernel = stdenv.mkDerivation {
+    name = "inix-${name}";
+    src = ./nix.png;
+    phases = "installPhase";
+    installPhase = ''
+      mkdir -p $out/kernels/inix_${name}
+      cp $src $out/kernels/inix_${name}/logo-64x64.png
+      echo '${builtins.toJSON kernelFile}' > $out/kernels/inix_${name}/kernel.json
+    '';
+  };
+in
+  {
+    spec = iNixKernel;
+    runtimePackages = [
+    ];
+  }

kernels/inix/nix-kernel/default.nix

@@ -0,0 +1,22 @@
+{ stdenv
+, python3Packages
+, python3
+, pkgs
+, fetchFromGitHub
+}:
+with python3.pkgs;
+python3Packages.buildPythonPackage rec {
+  pname = "nix-kernel";
+  version = "0.1";
+  src = fetchFromGitHub {
+    owner = "GTrunSec";
+    repo = "nix-kernel";
+    rev = "dfa42d0812d508ded99f690ee1a83281d900a3ec";
+    sha256 = "1lf4rbbxjmq9h6g3wrdzx3v3dn1bndfmiybxiy0sjavgb6lzc8kq";
+  };
+  doCheck = false;
+  preBuild = ''
+    export HOME=$(pwd)
+  '';
+  propagatedBuildInputs = with python3Packages; [ pexpect notebook ] ;
+}