From 07d200b353e1f8d0c33fb91ad87a9d984230cf66 Mon Sep 17 00:00:00 2001
From: Johannes Kresner <johannes.kresner@gmail.com>
Date: Fri, 26 Jan 2024 15:57:47 +0100
Subject: [PATCH] fix: add multi writer add multi writer to support both file
 output and std out

---
 internal/flags/flags.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/internal/flags/flags.go b/internal/flags/flags.go
index a2183c11b..e4db2353e 100644
--- a/internal/flags/flags.go
+++ b/internal/flags/flags.go
@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"errors"
 	"fmt"
+	"io"
 	"os"
 	"regexp"
 	"strings"
@@ -691,7 +692,8 @@ func SetupLogging(f *pflag.FlagSet) error {
 				return fmt.Errorf("failed to open log file: %e", err)
 			}
 		}
-		log.SetOutput(logFile)
+		multiWriter := io.MultiWriter(os.Stdout, os.Stderr, logFile)
+		log.SetOutput(multiWriter)
 	}
 
 	return nil