From f6ad67065b1c2bcbbbf5556b6716718756077c5b Mon Sep 17 00:00:00 2001
From: Gusted <williamzijl7@hotmail.com>
Date: Mon, 10 Jan 2022 14:56:31 +0100
Subject: [PATCH 1/2] Add denylist import

- As per
https://github.com/go-gitea/gitea/pull/18222#issuecomment-1008386067
---
 checks/blacklisted-imports.go | 36 +++++++++++++++++++++++++++++++++++
 main.go                       |  1 +
 2 files changed, 37 insertions(+)
 create mode 100644 checks/blacklisted-imports.go

diff --git a/checks/blacklisted-imports.go b/checks/blacklisted-imports.go
new file mode 100644
index 0000000..969ef4b
--- /dev/null
+++ b/checks/blacklisted-imports.go
@@ -0,0 +1,36 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package checks
+
+import (
+	"strings"
+
+	"golang.org/x/tools/go/analysis"
+)
+
+var (
+	deniedImports   = []string{"io/ioutil"}
+	DenylistImports = &analysis.Analyzer{
+		Name: "denylist_imports",
+		Doc:  "check for denied imports",
+		Run:  runDenylistImports,
+	}
+)
+
+func runDenylistImports(pass *analysis.Pass) (interface{}, error) {
+	for _, file := range pass.Files {
+		for _, im := range file.Imports {
+			val := im.Path.Value
+			val = strings.TrimPrefix(val, `"`)
+			val = strings.TrimSuffix(val, `"`)
+			for _, deniedImport := range deniedImports {
+				if deniedImport == val {
+					pass.Reportf(im.Path.Pos(), `"`+deniedImport+"\" is not allowed to be imported")
+				}
+			}
+		}
+	}
+	return nil, nil
+}
diff --git a/main.go b/main.go
index 5d4193d..52cd30f 100644
--- a/main.go
+++ b/main.go
@@ -12,6 +12,7 @@ import (
 
 func main() {
 	unitchecker.Main(
+		checks.DenylistImports,
 		checks.Imports,
 		checks.License,
 		checks.Migrations,
-- 
2.40.1


From bd3bf7cc6eab111a61a077bd85c83fe76707cf2c Mon Sep 17 00:00:00 2001
From: Gusted <williamzijl7@hotmail.com>
Date: Mon, 10 Jan 2022 15:00:14 +0100
Subject: [PATCH 2/2] Rename file

---
 checks/{blacklisted-imports.go => denylisted-imports.go} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename checks/{blacklisted-imports.go => denylisted-imports.go} (100%)

diff --git a/checks/blacklisted-imports.go b/checks/denylisted-imports.go
similarity index 100%
rename from checks/blacklisted-imports.go
rename to checks/denylisted-imports.go
-- 
2.40.1