workin on migr8 fix double def name

cli/ls_s3.sh

@@ -9,7 +9,7 @@ function main() {
    local max="${2:-"}}}"}"
    shift
    shift
-   go run main.go \
+   go run cli.go \
       -do list \
       -db minio \
       -addr "https://s3-$region.amazonaws.com" \

cli/migr8.go

@@ -0,0 +1,73 @@
+package main
+
+import (
+	"fmt"
+	"local/args"
+	"local/storage"
+	"local/storage/resolve"
+	"log"
+)
+
+type Config struct {
+	DBs [2]storage.DB
+	Dry bool
+}
+
+func (config Config) String() string {
+	return fmt.Sprintf("{1:%T 2:%T Dry:%v}", config.DBs[0], config.DBs[1], config.Dry)
+}
+
+func main() {
+	c := config()
+	resolve.DefaultNamespace = ""
+	keys, err := c.DBs[0].List(nil)
+	if err != nil {
+		panic(err)
+	}
+	log.Println(c)
+	for _, key := range keys {
+		v, err := c.DBs[0].Get(key)
+		if err != nil {
+			panic(err)
+		}
+		if c.Dry {
+			log.Printf("c.DBs[1].Set(%s, %s)", key, v)
+		} else if err := c.DBs[1].Set(key, v); err != nil {
+			panic(err)
+		}
+	}
+}
+
+func config() Config {
+	as := args.NewArgSet()
+	for i := range [2]int{} {
+		s := fmt.Sprint(i + 1)
+		as.Append(args.STRING, s+"usr", s+"'s user", "")
+		as.Append(args.STRING, s+"pwd", s+"'s password", "")
+		as.Append(args.STRING, s+"addr", s+"'s addr", "")
+		as.Append(args.STRING, s+"type", s+"'s type", "")
+	}
+	as.Append(args.BOOL, "dry", "dry run", false)
+	if err := as.Parse(); err != nil {
+		panic(err)
+	}
+
+	stores := [2]storage.DB{}
+	for i := range stores {
+		var err error
+		stores[i], err = storage.New(
+			storage.TypeFromString(as.GetString(fmt.Sprint(i+1)+"type")),
+			as.GetString(fmt.Sprint(i+1)+"addr"),
+			as.GetString(fmt.Sprint(i+1)+"usr"),
+			as.GetString(fmt.Sprint(i+1)+"pwd"),
+		)
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	return Config{
+		DBs: stores,
+		Dry: as.GetBool("dry"),
+	}
+}