Add license header linting job to CI

Signed-off-by: Douglas Reis <doreis@lowrisc.org>

Author: engdoreis

.github/workflows/ci.yml

@@ -1,3 +1,7 @@
+# Copyright lowRISC contributors.
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+
 name: CI
 
 on:
@@ -21,6 +25,16 @@ jobs:
       run: |
         uv sync --all-extras 
 
+    - name: Install reuse
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y reuse
+
+    - name: Run reuse lint
+      run: |
+        reuse --version
+        reuse lint
+
     - name: Linting
       run: |
         uv run ruff check 

REUSE.toml

@@ -0,0 +1,19 @@
+# SPDX-FileCopyrightText: lowRISC contributors.
+# SPDX-License-Identifier: Apache-2.0
+
+version = 1
+
+[[annotations]]
+path = [
+    # Auto generated lock files
+    "*.lock",
+    # Files that can't take a header
+    ".python-version",
+
+    #Test snapshots that are autognerated.
+    "**/snapshots/*.rdl",
+    "**/snapshots/*.sv",
+]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "lowRISC contributors."
+SPDX-License-Identifier = "Apache-2.0"

flake.nix

@@ -60,7 +60,7 @@
       env = pythonSet.mkVirtualEnv "python-env" workspace.deps.default;
   in {
     devShells.x86_64-linux.default = pkgs.mkShell {
-      packages = [env pkgs.uv];
+      packages = [env pkgs.uv pkgs.reuse];
       buildInputs = [peakrdl];
     };
     formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.alejandra;