added ~ as home processing

util/util.go

@@ -0,0 +1,17 @@
+package util
+
+import (
+	"os"
+	"strings"
+)
+
+func ExpandHome(path string) string {
+	if strings.HasPrefix(path, "~") {
+		home, err := os.UserHomeDir()
+		if err == nil {
+			return strings.Replace(path, "~", home, 1)
+		}
+	}
+
+	return path
+}