Add very basic Nix Flake

This is only to provide a small nixpkgs overlay and also make it easier to run the tests with just "nix flake check". Signed-off-by: aszlig <[email protected]>
nix-community · Oct 17, 2020 · 3b029cd · 3b029cd
1 parent 1bd5ecc
commit 3b029cd
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diff --git a/.gitignore b/.gitignore
@@ -1,2 +1,3 @@
 result
 result-*
+/flake.lock
diff --git a/flake.nix b/flake.nix
@@ -0,0 +1,21 @@
+{
+  description = "Build NPM packages in Nix and lightweight NPM registry";
+
+  outputs = { self, nixpkgs }: let
+    systems = [ "i686-linux" "x86_64-linux" "aarch64-linux" "x86_64-darwin" ];
+  in {
+    overlay = final: prev: {
+      napalm = {
+        inherit (import ./. { pkgs = final; })
+          buildPackage snapshotFromPackageLockJson;
+      };
+    };
+
+    checks = nixpkgs.lib.genAttrs systems (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+    in removeAttrs (import ./. { inherit pkgs; }) [
+      "buildPackage" "napalm-registry" "napalm-registry-devshell"
+      "snapshotFromPackageLockJson"
+    ]);
+  };
+}