just evaluate instead of building artificats for CI

.gitea/workflows/ci.yml

@@ -59,8 +59,8 @@ jobs:
           nix eval .#nixosConfigurations.${{ matrix.config }}.config.system.build.toplevel.drvPath \
             --show-trace
 
-  build-artifacts:
-    name: Build Artifacts
+  eval-artifacts:
+    name: Evaluate Artifacts
     runs-on: [self-hosted, nix-builder]
     needs: [flake-check, format-check]
     strategy:
@@ -73,18 +73,8 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Build artifact
+      - name: Evaluate artifact
         run: |
-          echo "Building artifact ${{ matrix.artifact }}"
-          nix build .#${{ matrix.artifact }} \
-            --print-build-logs \
+          echo "Evaluating artifact ${{ matrix.artifact }}"
+          nix eval .#${{ matrix.artifact }}.drvPath \
             --show-trace
-
-      - name: Show build result
-        run: |
-          if [ -L result ]; then
-            ls -lh result/
-            if [ -d result/iso ]; then
-              ls -lh result/iso/
-            fi
-          fi