Move log to user owned directory

pkg/lib/lib.go

@@ -0,0 +1,21 @@
+package lib
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// -----------------------------------------
+// public
+
+func ExpandPath(path string) string {
+	if strings.HasPrefix(path, "~/") {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			return path
+		}
+		return filepath.Join(home, path[2:])
+	}
+	return path
+}