addlicense: init at 1.0.0

pkgs/tools/misc/addlicense/default.nix

@@ -0,0 +1,27 @@
+{ lib
+, buildGoModule
+, fetchFromGitHub
+}:
+
+buildGoModule rec {
+  pname = "addlicense";
+  version = "1.0.0";
+
+  src = fetchFromGitHub {
+    owner = "google";
+    repo = "addlicense";
+    rev = "v${version}";
+    sha256 = "sha256-Nv7Az3TDtd1P/QWjH92otSV9rIrc2l/mTbGUXhODi7Q=";
+  };
+
+  vendorSha256 = "sha256-2mncc21ecpv17Xp8PA9GIodoaCxNBacbbya/shU8T9Y=";
+
+  subPackages = [ "." ];
+
+  meta = with lib; {
+    description = "Ensures source code files have copyright license headers by scanning directory patterns recursively";
+    homepage = "https://github.com/google/addlicense";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -958,6 +958,8 @@ with pkgs;
 
   adafruit-ampy = callPackage ../tools/misc/adafruit-ampy { };
 
+  addlicense = callPackage ../tools/misc/addlicense { };
+
   adlplug = callPackage ../applications/audio/adlplug {
     inherit (darwin) libobjc;
     inherit (darwin.apple_sdk.frameworks) Cocoa CoreServices WebKit DiscRecording;