From 1994768441aca24126140075b510dca44e7c3a2b Mon Sep 17 00:00:00 2001
From: Masayuki Morita <minamijoyo@gmail.com>
Date: Tue, 18 Apr 2023 11:17:47 +0900
Subject: [PATCH] Fix lint issues

---
 cmd/version.go | 2 +-
 main.go        | 3 +--
 main_test.go   | 2 +-
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/cmd/version.go b/cmd/version.go
index d0296be..2f93a89 100644
--- a/cmd/version.go
+++ b/cmd/version.go
@@ -25,7 +25,7 @@ func newVersionCmd() *cobra.Command {
 	return cmd
 }
 
-func runVersionCmd(cmd *cobra.Command, args []string) error {
+func runVersionCmd(cmd *cobra.Command, _ []string) error {
 	_, err := fmt.Fprintln(cmd.OutOrStdout(), Version)
 	return err
 }
diff --git a/main.go b/main.go
index ad954b9..7be1db2 100644
--- a/main.go
+++ b/main.go
@@ -3,7 +3,6 @@ package main
 import (
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"os"
 
@@ -25,7 +24,7 @@ func logOutput() io.Writer {
 	minLevel := os.Getenv("HCLEDIT_LOG")
 
 	// default log writer is null device.
-	writer := ioutil.Discard
+	writer := io.Discard
 	if minLevel != "" {
 		writer = os.Stderr
 	}
diff --git a/main_test.go b/main_test.go
index d65ac08..2af34cc 100644
--- a/main_test.go
+++ b/main_test.go
@@ -154,7 +154,7 @@ func argsToEnv(args []string) []string {
 func envToArgs(env []string) []string {
 	var envvars []string
 
-	for _, kv := range os.Environ() {
+	for _, kv := range env {
 		if strings.HasPrefix(kv, VarRunMainForTestingArgPrefix) {
 			envvars = append(envvars, kv)
 		}