chore(setup-db): change cache-dir default to runner.temp (#13)

Reviewed-on: t.behrendt/trivy-actions#13
Reviewed-by: branch-buddy <branch-buddy@t00n.de>
Co-authored-by: Timo Behrendt <t.behrendt@t00n.de>
Co-committed-by: Timo Behrendt <t.behrendt@t00n.de>

.gitea/workflows/ci.yaml

@@ -31,10 +31,7 @@ jobs:
         with:
           version: v0.66.0
       - name: Setup DB
+        id: setup-db
         uses: ./setup-db
-        with:
-          cache-dir: ${{ runner.temp }}/trivy
       - name: Run Trivy
-        env:
+        run: trivy fs --skip-db-update --cache-dir ${{ steps.setup-db.outputs.cache-dir }} .
-          TRIVY_CACHE_DIR: ${{ runner.temp }}/trivy
-        run: trivy fs --skip-db-update .

setup-db/action.yaml

@@ -7,9 +7,14 @@ branding:
 
 inputs:
   cache-dir:
-    description: "Path to the Trivy cache directory (default: ~/.cache/trivy)"
+    description: "Path to the Trivy cache directory (default: ${{runner.temp}}/trivy)"
     required: false
-    default: "~/.cache/trivy"
+    default: "${{ runner.temp }}/trivy"
+
+outputs:
+  cache-dir:
+    description: "Path to the Trivy cache directory"
+    value: ${{ inputs.cache-dir }}
 
 runs:
   using: "composite"