chore(ci): simplify codecov in AppVeyor

Author: oldratlee

appveyor.yml

@@ -30,7 +30,7 @@ test_script:
   - scripts/integration_test
 
 after_test:
-  - ./scripts/codecov
+  - ./scripts/codecov -s
   # remove self maven install
   - rm -rf $HOME/.m2/repository/com/alibaba/dns-cache-manipulator*
   # remove maven install file

scripts/codecov

@@ -21,12 +21,12 @@ cd ..
 export DCM_AGENT_SUPRESS_EXCEPTION_STACK=true
 
 prepare_jdks::switch_to_jdk 11
-jvb::mvn_cmd -Pgen-code-cov clean test
+
+if [ "${1:-}" = "-s" ]; then
+  jvb::mvn_cmd -Pgen-code-cov jacoco:prepare-agent surefire:test jacoco:report
+else
+  jvb::mvn_cmd -Pgen-code-cov clean test
+fi
 
 prepare_jdks::switch_to_jdk 8
-# use -Dmaven.main.skip option fix below problem of jacoco-maven-plugin:report :
-#
-# [WARNING] Classes in bundle 'Java Dns Cache Manipulator(DCM) Lib' do not match with execution data.
-#           For report generation the same class files must be used as at runtime.
-# [WARNING] Execution data for class com/alibaba/xxx/Yyy does not match.
-jvb::mvn_cmd -Pgen-code-cov -Dmaven.main.skip test coveralls:report
+jvb::mvn_cmd -Pgen-code-cov jacoco:prepare-agent surefire:test jacoco:report coveralls:report