iso9660: add basic symlink support (#186)

diskfs · Sep 19, 2023 · 94310d8 · 94310d8
1 parent 22d22fd
commit 94310d8
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/filesystem/iso9660/directoryentry.go b/filesystem/iso9660/directoryentry.go
@@ -482,9 +482,24 @@ func (de *directoryEntry) Size() int64 {
 
 // Mode() FileMode     // file mode bits
 func (de *directoryEntry) Mode() os.FileMode {
+	for _, ext := range de.extensions {
+		if s, ok := ext.(rockRidgeSymlink); ok && !s.continued {
+			return 0o755 | os.ModeSymlink
+		}
+	}
 	return 0o755
 }
 
+// Readlink tries to return the target link, only valid for symlinks
+func (de *directoryEntry) ReadLink() (string, bool) {
+	for _, ext := range de.extensions {
+		if s, ok := ext.(rockRidgeSymlink); ok && !s.continued {
+			return s.name, true
+		}
+	}
+	return "", false
+}
+
 // ModTime() time.Time // modification time
 func (de *directoryEntry) ModTime() time.Time {
 	return de.creation