every -loop duration, look for completed tasks with loop set and incomplete them

config/config.go

@@ -5,6 +5,7 @@ import (
 	"local/args"
 	"os"
 	"strings"
+	"time"
 )
 
 var (
@@ -15,6 +16,7 @@ var (
 	StorePass string
 	Root      string
 	OAuth     string
+	Loop      time.Duration
 )
 
 func init() {
@@ -34,6 +36,7 @@ func Refresh() {
 	as.Append(args.STRING, "storepass", "pass of store", "")
 	as.Append(args.STRING, "oauth", "url for boauthz", "")
 	as.Append(args.STRING, "root", "root of static files", "./public")
+	as.Append(args.DURATION, "loop", "loop duration for refreshing completed tasks", time.Minute)
 	if err := as.Parse(); err != nil {
 		panic(err)
 	}
@@ -44,5 +47,6 @@ func Refresh() {
 	StoreUser = as.Get("storeuser").GetString()
 	StorePass = as.Get("storepass").GetString()
 	Root = as.Get("root").GetString()
+	Loop = as.Get("loop").GetDuration()
 	OAuth = as.Get("oauth").GetString()
 }