fix: 0 size

internal/cmd/cmd.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"context"
+	"github.com/loveuer/esgo2dump/log"
 
 	"github.com/loveuer/esgo2dump/internal/opt"
 	"github.com/spf13/cobra"
@@ -48,7 +49,7 @@ esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query_
 )
 
 func init() {
-	rootCommand.Flags().BoolVar(&opt.Debug, "debug", false, "")
+	rootCommand.PersistentFlags().BoolVar(&opt.Debug, "debug", false, "")
 	rootCommand.Flags().BoolVarP(&f_version, "version", "v", false, "print esgo2dump version")
 	rootCommand.Flags().IntVar(&opt.Timeout, "timeout", 30, "max timeout seconds per operation with limit")
 
@@ -62,6 +63,12 @@ func init() {
 	rootCommand.Flags().StringVarP(&f_query, "query", "q", "", `query dsl, example: {"bool":{"must":[{"term":{"name":{"value":"some_name"}}}],"must_not":[{"range":{"age":{"gte":18,"lt":60}}}]}}`)
 	rootCommand.Flags().StringVar(&f_query_file, "query_file", "", `query json file (will execute line by line)`)
 	rootCommand.Flags().Uint64VarP(&f_limit, "limit", "l", 100, "")
+
+	rootCommand.PersistentPreRun = func(cmd *cobra.Command, args []string) {
+		if opt.Debug {
+			log.SetLogLevel(log.LogLevelDebug)
+		}
+	}
 }
 
 func Start(ctx context.Context) error {

internal/cmd/run.go

@@ -51,10 +51,6 @@ func run(cmd *cobra.Command, args []string) error {
 		ioo interfaces.DumpIO
 	)
 
-	if opt.Debug {
-		log.SetLogLevel(log.LogLevelDebug)
-	}
-
 	if f_version {
 		fmt.Printf("esgo2dump (Version: %s)\n", opt.Version)
 		os.Exit(0)

internal/util/min.go

@@ -7,3 +7,15 @@ func Min[T ~string | ~int | ~int64 | ~uint64 | ~float64 | ~float32 | ~int32 | ~u
 
 	return b
 }
+
+func AbsMin(a, b uint64) uint64 {
+	if a == 0 {
+		return b
+	}
+
+	if b == 0 {
+		return a
+	}
+
+	return Min(a, b)
+}