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Kotlin

Language-specific properties

You can discover and update Kotlin-specific properties in Administration > Configuration > General Settings > Languages > Kotlin

If you are not using the SonarScanner for Gradle or SonarScanner for Maven, it is strongly recommended to provide the paths of all dependency binaries used by the project in order to improve the analysis accuracy. You can provide these using the sonar.java.libraries property (note that this property is shared with the Java analyzer and as such has java in its name). This is a list of comma-separated paths to files with third-party libraries (JAR or Zip files) used by your project. Wildcards can be used: sonar.java.libraries=path/to/Library.jar,directory/**/*.jar

Note that if you use the SonarScanner for Gradle or SonarScanner for Maven to scan your code, these scanners will auto-detect the value for this property. Thus, you don't need to provide it.

Specifying the Kotlin source code version

You can explicitly define which Kotlin version the analyzer should analyze your code based on. Provide the desired version in the format X.Y as value to the sonar.kotlin.source.version property (e.g. 1.7).

Skipping unchanged files

Starting from November 2022, and by default, the Kotlin analyzer optimizes the analysis of unchanged files in pull requests. In practice, this means that the analyzer does not perform an analysis on any file that is the same as on the PR's target branch. As long as the project is configured in such a way that the analyzer is able to find the project's binaries, this should not impact the analysis results.

If you wish to disable this optimization, you can set the value of the analysis parameter sonar.kotlin.skipUnchanged to false. Leaving the parameter unset lets the server decide whether the optimization should be enabled.