From 0af42e662075eb8b7e6b42b50cffe9c5ed19f70d Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Wed, 4 Oct 2023 12:56:05 +0900
Subject: [PATCH] internal/vettools: bug fix: vettool itself failed with
 vettool check

---
 internal/vettools/main.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/internal/vettools/main.go b/internal/vettools/main.go
index 5b02ca19b..cca421855 100644
--- a/internal/vettools/main.go
+++ b/internal/vettools/main.go
@@ -15,6 +15,7 @@
 package main
 
 import (
+	"fmt"
 	"os"
 
 	"github.com/kisielk/errcheck/errcheck"
@@ -27,7 +28,10 @@ import (
 func main() {
 	const filename = ".errcheck_excludes"
 	if _, err := os.Stat(filename); err == nil {
-		errcheck.Analyzer.Flags.Set("exclude", filename)
+		if err := errcheck.Analyzer.Flags.Set("exclude", filename); err != nil {
+			fmt.Fprintln(os.Stderr, err)
+			os.Exit(1)
+		}
 	}
 	multichecker.Main(atomic.Analyzer,
 		atomicalign.Analyzer,