feat(reuse): Switch to an action rather than a git hook, to be less cumbersome

.forgejo/workflows/reuse-check.yaml

@@ -0,0 +1,13 @@
+###
+# This file was automatically generated with nix-actions.
+jobs:
+  pre-commit:
+    runs-on: nix
+    steps:
+    - uses: actions/checkout@v3
+    - name: REUSE lint
+      run: nix-shell -A reuse-check --run 'reuse lint'
+name: Run pre-commit on all files
+on:
+- push
+- pull_request

default.nix

@@ -44,12 +44,6 @@ let
         package = pkgs.nixfmt-rfc-style;
       };
 
-      reuse = nix-reuse.hook {
-        enable = true;
-        stages = [ "pre-push" ];
-        package = pkgs.reuse; # git-hooks.nix is lagging on nixpkgs update
-      };
-
       commitizen.enable = true;
     };
   };
@@ -185,6 +179,7 @@ in
           src = sources.nixos-generators;
         }))
         pkgs.npins
+        pkgs.reuse
 
         # SSO testing
         pkgs.kanidm
@@ -216,6 +211,7 @@ in
       check-workflows.shellHook = workflows.shellHook;
       eval-nodes.packages = [ scripts.cache-node ];
       eval-shell.packages = [ scripts.nix-build-and-cache ];
+      reuse-check.packages = [ pkgs.reuse ];
     };
   };
 }

workflows/reuse-check.nix

@@ -0,0 +1,27 @@
+# SPDX-FileCopyrightText: 2024 Tom Hubrecht <tom.hubrecht@dgnum.eu>
+#
+# SPDX-License-Identifier: EUPL-1.2
+
+{ nix-actions, ... }:
+
+{
+  name = "Run pre-commit on all files";
+  on = [
+    "push"
+    "pull_request"
+  ];
+
+  jobs.pre-commit = {
+    runs-on = "nix";
+    steps = [
+      { uses = "actions/checkout@v3"; }
+      {
+        name = "REUSE lint";
+        run = nix-actions.lib.nix-shell {
+          script = "reuse lint";
+          shell = "reuse-check";
+        };
+      }
+    ];
+  };
+}