ci: use jq for reliable ArgoCD patch

.gitea/workflows/build.yml

@@ -69,14 +69,23 @@ jobs:
           GITHUB_SHA: ${{ github.sha }}
           REGISTRY: ${{ env.REGISTRY }}
 
+      - name: Install jq
+        run: apk add --no-cache jq 2>/dev/null || true
+
       - name: Patch ArgoCD
         run: |
           SHORT=${GITHUB_SHA::8}
+          for i in {1..10}; do
             if kubectl -n cicd get application demo-frontend &>/dev/null; then
-            kubectl -n cicd patch application demo-frontend --type merge \
+              break
-              -p "{\"spec\":{\"source\":{\"helm\":{\"parameters\":[{\"name\":\"image.registry\",\"value\":\"${REGISTRY}\"},{\"name\":\"image.tag\",\"value\":\"${SHORT}\"}]}}}}"
-            echo "✓ ArgoCD app patched"
             fi
+            echo "Waiting for ArgoCD application..."
+            sleep 3
+          done
+          PATCH=$(jq -n --arg tag "$SHORT" --arg reg "$REGISTRY" \
+            '{"spec":{"source":{"helm":{"parameters":[{"name":"image.registry","value":$reg},{"name":"image.tag","value":$tag}]}}}}')
+          kubectl -n cicd patch application demo-frontend --type=merge -p "$PATCH"
+          echo "✓ ArgoCD updated with tag ${SHORT}"
         env:
           GITHUB_SHA: ${{ github.sha }}
           REGISTRY: ${{ env.REGISTRY }}