chore: check colour definitions in CI

.github/workflows/test.yaml → .github/workflows/check.yml

@@ -1,4 +1,4 @@
-name: Emacs Tests
+name: Test .el files + Check color definitions
 
 on:
   push:
@@ -27,3 +27,23 @@ jobs:
 
       - name: Run tests
         run: just test
+  definitions:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Install Whiskers
+        run: |
+          sudo curl -o /usr/local/bin/whiskers https://github.com/catppuccin/whiskers/releases/latest/download/whiskers-x86_64-unknown-linux-gnu
+          sudo chmod +x /usr/local/bin/whiskers
+
+      - name: Install git
+        run: sudo apt install git
+
+      - name: Generate catppuccin-definitions.el
+        run: whiskers emacs.tera
+
+      - name: Format catppuccin-definitions.el
+        run: emacs --script scripts/format-definitions.el -f format-definitions
+
+      - name: Compare with master
+        run: git diff --exit-code