From 9a0b1f4f6bfa76aee06cc81c12f430dbf08c419f Mon Sep 17 00:00:00 2001
From: Kazuyoshi Kato <katokazu@amazon.com>
Date: Thu, 23 Dec 2021 08:57:27 -0800
Subject: [PATCH] hack: use golangci-lint to find io/ioutil

The package has been deprecated since Go 1.16.

Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>
---
 hack/validate/golangci-lint.yml | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/hack/validate/golangci-lint.yml b/hack/validate/golangci-lint.yml
index c2081ed83f..3aedf82a0c 100644
--- a/hack/validate/golangci-lint.yml
+++ b/hack/validate/golangci-lint.yml
@@ -1,6 +1,7 @@
 linters:
   enable:
     - deadcode
+    - depguard
     - goimports
     - golint
     - gosec
@@ -31,7 +32,13 @@ linters:
 linters-settings:
   govet:
     check-shadowing: false
-
+  depguard:
+    list-type: blacklist
+    include-go-root: true
+    packages:
+      # The io/ioutil package has been deprecated.
+      # https://go.dev/doc/go1.16#ioutil
+      - io/ioutil
 issues:
   # The default exclusion rules are a bit too permissive, so copying the relevant ones below
   exclude-use-default: false