From e23e13fcede09d4ec20542a357d74e0439a55d5a Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Wed, 21 Aug 2019 16:59:58 +0800
Subject: [PATCH] add nix files

---
 default.nix | 27 +++++++++++++++++++++++++++
 shell.nix   | 25 +++++++++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 default.nix
 create mode 100644 shell.nix

diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..1f46704
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,27 @@
+{ # Use master branch of the overlay by default
+  mozillaOverlay ? import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz),
+}:
+
+let
+  pkgs = import <nixpkgs> { overlays = [ mozillaOverlay ]; };
+in
+with pkgs;
+let
+  rustcSrc = fetchgit {
+    url = https://github.com/rust-lang/rust.git;
+    # master of 2019-08-18
+    rev = "ea52be482ab4945fda63cb65b6a198309a041e3c";
+    sha256 = "1spifrkvyyrh1gazqrby29fjqsdbwvajv9k9f6mk2ldrdghlsd21";
+    fetchSubmodules = true;
+  };
+  targets = [
+  ];
+  rust =
+    rustChannelOfTargets "nightly" null targets;
+  rustPlatform = recurseIntoAttrs (makeRustPlatform {
+    rustc = rust // { src = rustcSrc; };
+    cargo = rust;
+  });
+in {
+  inherit pkgs rustPlatform rustcSrc;
+}
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..88641d2
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,25 @@
+let
+  mozillaOverlay = import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz);
+  pkgs = import <nixpkgs> { overlays = [ mozillaOverlay ]; };
+in
+with pkgs;
+let
+  project = callPackage ./default.nix {};
+in
+with project;
+stdenv.mkDerivation {
+  name = "armdev-env";
+  buildInputs = with rustPlatform.rust; [
+    rustc cargo cargo-xbuild
+    rustcSrc
+    openocd
+  ];
+
+  # Set Environment Variables
+  RUST_BACKTRACE = 1;
+  XARGO_RUST_SRC = "${rustcSrc}/src";
+
+  shellHook = ''
+    echo "Run 'cargo xbuild --release' to build."
+  '';
+}