1 files changed, 36 insertions, 0 deletions
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..d628020
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,36 @@
+{
+  description = "Firefox userChrome.css";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        packages.default = pkgs.stdenvNoCC.mkDerivation {
+          pname = "firefox-userchrome";
+          version = "1.0.0";
+          src = ./.;
+          dontBuild = true;
+          installPhase = ''
+            mkdir -p $out/chrome
+            cp userChrome.css $out/chrome/userChrome.css
+          '';
+        };
+
+        # `nix fmt` formats userChrome.css with prettier
+        formatter = pkgs.writeShellApplication {
+          name = "fmt";
+          runtimeInputs = [ pkgs.nodePackages.prettier ];
+          text = ''
+            prettier --write "$@"
+          '';
+        };
+      }
+    );
+}