ci: optimize git strategy

.gitlab/ci/static-code-analysis.yml

@@ -20,6 +20,8 @@ check_pylint:
   extends:
     - .pre_check_template
     - .rules:patterns:python-files
+  needs:
+    - pipeline_variables
   artifacts:
     when: always
     reports:
@@ -28,7 +30,7 @@ check_pylint:
   script:
     - |
       if [ -n "$CI_MERGE_REQUEST_IID" ]; then
-        export files=$(python ${CI_PROJECT_DIR}/tools/ci/ci_get_mr_info.py files ${CI_MERGE_REQUEST_SOURCE_BRANCH_NAME} | grep ".py$");
+        export files=$(echo $GIT_DIFF_OUTPUT | grep ".py$" | xargs);
       else
         export files=$(git ls-files "*.py" | xargs);
       fi
@@ -82,7 +84,7 @@ code_quality_check:
   allow_failure: true  # since now it's using exit code to indicate the code analysis result,
                        # we don't want to block ci when critical issues founded
   script:
-    - export CI_MERGE_REQUEST_COMMITS=$(python ${CI_PROJECT_DIR}/tools/ci/ci_get_mr_info.py commits ${CI_COMMIT_REF_NAME} | tr '\n' ',')
+    - export CI_MERGE_REQUEST_COMMITS=$(python ${CI_PROJECT_DIR}/tools/ci/ci_get_mr_info.py commits --src-branch ${CI_COMMIT_REF_NAME} | tr '\n' ',')
     # test if this branch have merge request, if not, exit 0
     - test -n "$CI_MERGE_REQUEST_IID" || exit 0
     - test -n "$CI_MERGE_REQUEST_COMMITS" || exit 0