From 6c414bf07de088aa5c85e0965f1016c3caee7e45 Mon Sep 17 00:00:00 2001
From: Valentin Brandl <vbrandl@riseup.net>
Date: Fri, 20 Mar 2020 17:47:41 +0100
Subject: [PATCH] Build Docker image using nix

---
 default.nix | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/default.nix b/default.nix
index 370f1df..9c40010 100644
--- a/default.nix
+++ b/default.nix
@@ -27,6 +27,25 @@ let
     # packageOverrides
   };
 in
-  (rustPkgs.workspace.hoc {}).overrideAttrs (drv: {
+rec {
+  inherit rustPkgs;
+  shell = pkgs.mkShell {
+    inputsFrom = pkgs.lib.mapAttrsToList (_: pkg: pkg { }) rustPkgs.noBuild.workspace;
+    nativeBuildInputs = with rustPkgs; [ cargo rustc ];
+  };
+  package = (rustPkgs.workspace.hoc {}).overrideAttrs (drv: {
       buildInputs = drv.buildInputs or [ ] ++ [ pkgs.git ];
-  })
+  });
+  dockerImage =
+    pkgs.dockerTools.buildImage {
+      name = "vbrandl/hits-of-code";
+      tag = "1";
+
+      contents = [ package ];
+
+      config = {
+        Cmd = [ "/bin/hoc" ];
+        WorkingDir = "/";
+      };
+    };
+}