GH-861 - Polishing.

Author: odrotbohm

spring-modulith-junit/src/main/java/org/springframework/modulith/junit/diff/FileModificationDetector.java

@@ -100,7 +100,7 @@ private static FileModificationDetector getDefaultDetector(@Nullable String refe
 			return new ReferenceCommitDetector(referenceCommit);
 		}
 
-		log.info("Using default file modification detector (uncommitted and unpushed changes).");
+		log.info("Using default file modification detector (uncommitted and unpushed changes):");
 
 		return () -> Stream.of(UncommittedChangesDetector.INSTANCE, UnpushedCommitsDetector.INSTANCE)
 				.flatMap(it -> it.getModifiedFiles());

spring-modulith-junit/src/main/java/org/springframework/modulith/junit/diff/WorkingDirectoryChangesDetector.java

@@ -57,13 +57,10 @@ class WorkingDirectoryChangesDetector implements FileModificationDetector {
 	public static WorkingDirectoryChangesDetector of(FileModificationDetector delegate) {
 
 		var pathToRepo = JGitUtil.withRepository(it -> it.getDirectory().getParent());
-
-		// someFolder/.
-		var currentWorkingDirectory = new File(".").getAbsolutePath();
-
-		// Strip repository base and /.
-		var repositoryRelative = currentWorkingDirectory.substring(pathToRepo.length() + 1,
-				currentWorkingDirectory.length() - 2);
+		var currentWorkingDirectory = new File("").getAbsolutePath();
+		var repositoryRelative = !pathToRepo.equals(currentWorkingDirectory)
+				? currentWorkingDirectory.substring(pathToRepo.length() + 1)
+				: "";
 
 		return new WorkingDirectoryChangesDetector(delegate, repositoryRelative);
 	}