#1490: fix linking folders as junction with absolute path on Windows as fallback (#1494)

Author: hohwille

cli/src/main/java/com/devonfw/tools/ide/io/FileAccess.java

@@ -407,7 +407,7 @@ default void makeExecutable(Path path) {
 
   /**
    * @param file the {@link Path} to the file to read.
-   * @return the content of the specified file (in UTF-8 encoding), or null if the file doesn't exist
+   * @return the content of the specified file (in UTF-8 encoding), or {@code null} if the file doesn't exist.
    * @see java.nio.file.Files#readString(Path)
    */
   String readFileContent(Path file);

cli/src/main/java/com/devonfw/tools/ide/io/FileAccessImpl.java

@@ -495,7 +495,14 @@ private Path adaptPath(Path target, Path link, boolean relative) {
   private void mklinkOnWindows(Path target, Path link, PathLinkType type) {
 
     this.context.trace("Creating a Windows link at {} pointing to {}", link, target);
-    ProcessResult result = this.context.newProcess().executable("cmd").addArgs("/c", "mklink", type.getMklinkOption(), link.toString(), target.toString())
+    ProcessContext pc = this.context.newProcess().executable("cmd")
+        .addArgs("/c", "mklink", type.getMklinkOption());
+    if (type == PathLinkType.SYMBOLIC_LINK && Files.isDirectory(target)) {
+      pc.addArg("/j");
+      target = target.toAbsolutePath();
+    }
+    pc = pc.addArgs(link.toString(), target.toString());
+    ProcessResult result = pc
         .run(ProcessMode.DEFAULT);
     result.failOnError();
   }