Merge pull request #588 from fglock/fix/filespec-abs2rel-curdir

fix(File::Spec): abs2rel returns "." when path equals base

Author: fglock

src/main/java/org/perlonjava/core/Configuration.java

@@ -33,7 +33,7 @@ public final class Configuration {
      * Automatically populated by Gradle/Maven during build.
      * DO NOT EDIT MANUALLY - this value is replaced at build time.
      */
-    public static final String gitCommitId = "435af2ae7";
+    public static final String gitCommitId = "f7bbbc40b";
 
     /**
      * Git commit date of the build (ISO format: YYYY-MM-DD).
@@ -48,7 +48,7 @@ public final class Configuration {
      * Parsed by App::perlbrew and other tools via: perl -V | grep "Compiled at"
      * DO NOT EDIT MANUALLY - this value is replaced at build time.
      */
-    public static final String buildTimestamp = "Apr 28 2026 14:34:02";
+    public static final String buildTimestamp = "Apr 28 2026 14:48:58";
 
     // Prevent instantiation
     private Configuration() {

src/main/java/org/perlonjava/runtime/perlmodule/FileSpec.java

@@ -528,6 +528,11 @@ public static RuntimeList abs2rel(RuntimeArray args, int ctx) {
         }
 
         String relPath = baseObj.relativize(pathObj).toString();
+        // Perl's File::Spec->abs2rel returns "." (curdir) when path equals base,
+        // but Java's Path.relativize returns an empty string in that case.
+        if (relPath.isEmpty()) {
+            relPath = ".";
+        }
         return new RuntimeScalar(relPath).getList();
     }