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 <[email protected]>
clearcontainers · Sep 7, 2017 · 4013a7f · 4013a7f
1 parent 31d915d
commit 4013a7f
Showing 1 changed file with 6 additions and 0 deletions.
diff --git 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")