fix abs path with symlinks

Signed-off-by: Nestor <nesterran@gmail.com>

pkg/fs/confirmeddir_test.go

@@ -17,6 +17,7 @@ limitations under the License.
 package fs
 
 import (
+	"path/filepath"
 	"testing"
 )
 
@@ -101,3 +102,18 @@ func TestHasPrefix_SlashFooBar(t *testing.T) {
 		t.Fatalf("/foo/bar should have prefix /")
 	}
 }
+
+func TestNewTempConfirmDir(t *testing.T) {
+	tmp, err := NewTmpConfirmedDir()
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	delinked, err := filepath.EvalSymlinks(string(tmp))
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if string(tmp) != delinked {
+		t.Fatalf("unexpected path containing symlinks")
+	}
+}