improve CI

.gitlab-ci-psnc.yml

@@ -7,6 +7,8 @@ stages:
 sonarqube:
   image: sonarsource/sonar-scanner-cli:${SONAR_SCANNER_CLI_VERSION}
   stage: sonarqube
+  only:
+    - master
   variables:
     SONAR_PROJECT_BASE_DIR: "$CI_PROJECT_DIR"
   script:
@@ -15,6 +17,8 @@ sonarqube:
     - sonarqube
 upload_linux_artifact:
   stage: upload_linux_artifact
+  only:
+    - artifacts
   script: ./build.sh --os=linux --arch=amd64 --upx
   artifacts:
     paths: