working commit

pkg/auxtool/cleandir.go

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ */
+package auxtool
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// Clean only overbase elements of dir path if possible
+func CleanDirs(basedir, datadir string) {
+	separator := string(os.PathSeparator)
+
+	basedir = filepath.Clean(separator + basedir)
+	datadir = filepath.Clean(separator + datadir)
+
+	items := strings.Split(datadir, separator)
+	for i := len(items); i > 0; i-- {
+		p := filepath.Join(items[0:i]...)
+		p = filepath.Clean(separator + p)
+		if p == basedir {
+			break
+		}
+		fileInfo, err := os.Stat(p)
+		if err != nil {
+			return
+		}
+		if fileInfo.IsDir() {
+			err = os.Remove(p)
+			if err != nil {
+				return
+			}
+		}
+	}
+}