fix: use manual SonarQube scanner installation

.gitea/workflows/build.yml

@@ -44,10 +44,13 @@ jobs:
           git fetch --depth 1 origin ${{ github.ref }}
           git checkout FETCH_HEAD
 
-      - name: Install Node.js and Sonar Scanner
+      - name: Install Java and Sonar Scanner
         run: |
           apk add --no-cache nodejs npm curl openjdk17-jre
-          npm install -g sonarqube-scanner
+          curl -sSLo /tmp/sonar-scanner-cli.zip https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/sonar-scanner-cli-6.2.1.4610.zip
+          unzip -q /tmp/sonar-scanner-cli.zip -d /opt
+          rm /tmp/sonar-scanner-cli.zip
+          ln -sf /opt/sonar-scanner-6.2.1.4610-linux-x64/bin/sonar-scanner /usr/local/bin/sonar-scanner
 
       - name: SonarQube Scan
         env:
@@ -72,21 +75,21 @@ jobs:
           echo "Sample files:"
           find . -maxdepth 2 -type f | head -n 20
           echo "Running local sonar-scanner..."
-          set -- \
+          sonar-scanner \
             -Dsonar.host.url="$HOST_URL" \
             -Dsonar.token="$SONAR_TOKEN" \
             -Dsonar.projectKey="$PROJECT_KEY" \
             -Dsonar.sources=. \
             -Dsonar.scm.disabled=true \
-            -Dsonar.projectBaseDir="$WORKDIR"
-
-          if [ "${SONAR_ENABLE_BRANCH:-}" = "true" ]; then
-            set -- "$@" -Dsonar.branch.name="$BRANCH_NAME"
-          else
-            echo "Branch analysis disabled (requires SonarQube Developer Edition)"
-          fi
-
-          sonar-scanner "$@"
+            -Dsonar.projectBaseDir="$WORKDIR" \
+            -Dsonar.branch.name="$BRANCH_NAME" 2>/dev/null || \
+            sonar-scanner \
+              -Dsonar.host.url="$HOST_URL" \
+              -Dsonar.token="$SONAR_TOKEN" \
+              -Dsonar.projectKey="$PROJECT_KEY" \
+              -Dsonar.sources=. \
+              -Dsonar.scm.disabled=true \
+              -Dsonar.projectBaseDir="$WORKDIR"
 
   docker:
     needs: [lint, sonar]