fix: sonar coverage for non-standard directory structure (#1108)

Author: burkedavison

gapic-generator-java/pom.xml

@@ -10,6 +10,9 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <!-- Should be in sync with repositories.bzl -->
     <googleapis.commit>44d6bef0ca6db8bba3fb324c8186e694bcc4829c</googleapis.commit>
+    <sonar.projectBaseDir>..</sonar.projectBaseDir>
+    <sonar.sources>../src/main/java,pom.xml</sonar.sources>
+    <sonar.working.directory>../target/sonar</sonar.working.directory>
   </properties>
 
   <dependencyManagement>

pom.xml

@@ -12,6 +12,14 @@
     <module>gapic-generator-java</module>
   </modules>
 
+  <properties>
+    <sonar.coverage.jacoco.xmlReportPaths>
+      ${project.basedir}/target/site/jacoco/jacoco.xml
+    </sonar.coverage.jacoco.xmlReportPaths>
+    <sonar.sources>pom.xml</sonar.sources>
+    <sonar.tests/>
+  </properties>
+
   <!-- Do not deploy the aggregator POM -->
   <build>
     <plugins>