Allow to set protected file patterns that can not be changed under no conditions (#10806)

Co-Authored-By: zeripath <art27@cantab.net>

models/migrations/migrations.go

@@ -196,6 +196,8 @@ var migrations = []Migration{
 	NewMigration("Expand webhooks for more granularity", expandWebhooks),
 	// v131 -> v132
 	NewMigration("Add IsSystemWebhook column to webhooks table", addSystemWebhookColumn),
+	// v132 -> v133
+	NewMigration("Add Branch Protection Protected Files Column", addBranchProtectionProtectedFilesColumn),
 }
 
 // Migrate database to current version

models/migrations/v132.go

@@ -0,0 +1,22 @@
+// Copyright 2020 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 migrations
+
+import (
+	"fmt"
+
+	"xorm.io/xorm"
+)
+
+func addBranchProtectionProtectedFilesColumn(x *xorm.Engine) error {
+	type ProtectedBranch struct {
+		ProtectedFilePatterns string `xorm:"TEXT"`
+	}
+
+	if err := x.Sync2(new(ProtectedBranch)); err != nil {
+		return fmt.Errorf("Sync2: %v", err)
+	}
+	return nil
+}