From 4013a7f2047f580a855f36c288e140ccc02ff718 Mon Sep 17 00:00:00 2001
From: "James O. D. Hunt" <james.o.hunt@intel.com>
Date: Thu, 7 Sep 2017 14:57:11 +0100
Subject: [PATCH] main: Be explicit if version details cannot be determined

If makeVersionString() is unable to generate a version string, display the
particular version element as "<<unknown>>" rather than defaulting to "".

Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
---
 main.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/main.go b/main.go
index 5c3561a6..7f3109b0 100644
--- a/main.go
+++ b/main.go
@@ -194,14 +194,20 @@ func makeVersionString() string {
 
 	if version != "" {
 		v = append(v, name+"  : "+version)
+	} else {
+		v = append(v, name+"  : "+unknown)
 	}
 
 	if commit != "" {
 		v = append(v, "   commit   : "+commit)
+	} else {
+		v = append(v, "   commit   : "+unknown)
 	}
 
 	if specs.Version != "" {
 		v = append(v, "   OCI specs: "+specs.Version)
+	} else {
+		v = append(v, "   OCI specs: "+unknown)
 	}
 
 	return strings.Join(v, "\n")