add nix derivation

Author: timbertson

Cargo.lock

@@ -1,5 +1,5 @@
 [workspace]
-members = [ "cli", "inject" ]
+members = [ "cli" ]
 exclude = ["redhook"]
 
 [profile.release]

Cargo.toml

@@ -0,0 +1 @@
+import ./nix

default.nix

@@ -0,0 +1,19 @@
+{ pkgs ? import <nixpkgs> {}}:
+with pkgs;
+let
+  sources = import ./sources.nix {};
+  root = builtins.fetchGit { url = ../.; };
+  fetlock = (callPackage sources.fetlock {});
+  osx = darwin.apple_sdk.frameworks;
+  selection = fetlock.cargo.load ./lock.nix {
+    pkgOverrides = self: [
+      (self.overrideAttrs {
+        runix = base: { src = "${root}/cli"; };
+      })
+      (self.addBuildInputs {
+        runix = if stdenv.isDarwin then [ osx.Security ] else [];
+      })
+    ];
+  };
+in
+selection.drvsByName.runix