chore(evaluator): Improve echoing of rule violations

Print these in a dedicated section before the duration.

Signed-off-by: Sebastian Schuberth <[email protected]>

plugins/commands/evaluator/src/main/kotlin/EvaluatorCommand.kt

@@ -317,13 +317,19 @@ class EvaluatorCommand : OrtCommand(
         val scripts = scriptUris.map { it.toURL().readText() }
         val evaluatorRun = evaluator.run(*scripts.toTypedArray())
 
-        val duration = with(evaluatorRun) { Duration.between(startTime, endTime).toKotlinDuration() }
-        echo("The evaluation of ${scriptUris.size} script(s) took $duration.")
+        if (evaluatorRun.violations.isNotEmpty()) {
+            echo("The following ${evaluatorRun.violations.size} rule violations have been found:")
 
-        evaluatorRun.violations.forEach { violation ->
-            echo(violation.format())
+            evaluatorRun.violations.forEach { violation ->
+                echo(violation.format())
+            }
+        } else {
+            echo("No rule violations have been found.")
         }
 
+        val duration = with(evaluatorRun) { Duration.between(startTime, endTime).toKotlinDuration() }
+        echo("The evaluation of ${scriptUris.size} script(s) took $duration.")
+
         // Note: This overwrites any existing EvaluatorRun from the input file.
         val ortResultOutput = ortResultInput.copy(evaluator = evaluatorRun)
             .mergeLabels(labels)