Log sonarlint maxlines properties when project size is above the threshold (#933)

Author: guillaume-dequenne

sonar-python-plugin/src/main/java/org/sonar/plugins/python/indexer/SonarLintPythonIndexer.java

@@ -62,6 +62,7 @@ public void buildOnce(SensorContext context) {
     if (nLines > maxLinesForIndexing) {
       // Avoid performance issues for large projects
       LOG.debug("Project symbol table deactivated due to project size (total number of lines is {}, maximum for indexing is {})", nLines, maxLinesForIndexing);
+      LOG.debug("Update \"sonar.python.sonarlint.indexing.maxlines\" to set a different limit.");
       return;
     }
     LOG.debug("Input files for indexing: " + files);

sonar-python-plugin/src/test/java/org/sonar/plugins/python/PythonSensorTest.java

@@ -337,6 +337,7 @@ public void no_indexer_when_project_too_large_sonarlint() {
     sensor(CUSTOM_RULES, pythonIndexer).execute(context);
     assertThat(context.allIssues()).isEmpty();
     assertThat(logTester.logs(LoggerLevel.DEBUG)).contains("Project symbol table deactivated due to project size (total number of lines is 4, maximum for indexing is 1)");
+    assertThat(logTester.logs(LoggerLevel.DEBUG)).contains("Update \"sonar.python.sonarlint.indexing.maxlines\" to set a different limit.");
   }
 
   @Test