Manual test versioning looks good

config/config.go

@@ -8,14 +8,16 @@ import (
 	"log"
 	"os"
 	"strings"
+	"time"
 )
 
 var (
-	Root        string
-	Port        string
-	Head        string
-	Foot        string
-	OAuthServer string
+	Root            string
+	Port            string
+	Head            string
+	Foot            string
+	OAuthServer     string
+	VersionInterval time.Duration
 )
 
 func init() {
@@ -32,6 +34,7 @@ func Refresh() {
 	as.Append(args.STRING, "port", "port to listen on", "49909")
 	as.Append(args.STRING, "wrap", "file with http header/footer", "./wrapper.html")
 	as.Append(args.STRING, "oauth", "oauth URL", "")
+	as.Append(args.DURATION, "version", "duration to mark versions", "0s")
 	if err := as.Parse(); err != nil {
 		panic(err)
 	}
@@ -52,4 +55,5 @@ func Refresh() {
 	Head = string(bs[0])
 	Foot = string(bs[1])
 	OAuthServer = as.Get("oauth").GetString()
+	VersionInterval = as.Get("version").GetDuration()
 }