Automerge supports deleting branch automatically after merging

models/migrations/migrations.go

@@ -605,6 +605,8 @@ var migrations = []Migration{
 	NewMigration("Add Repository Licenses", v1_23.AddRepositoryLicenses),
 	// v306 -> v307
 	NewMigration("Add BlockAdminMergeOverride to ProtectedBranch", v1_23.AddBlockAdminMergeOverrideBranchProtection),
+	// v307 -> v308
+	NewMigration("Add DeleteBranchAfterMerge to AutoMerge", v1_23.AddDeleteBranchAfterMergeForAutoMerge),
 }
 
 // GetCurrentDBVersion returns the current db version

models/migrations/v1_23/v307.go

@@ -0,0 +1,29 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_23 //nolint
+
+import (
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/xorm"
+)
+
+type pullAutoMerge struct {
+	ID                     int64  `xorm:"pk autoincr"`
+	PullID                 int64  `xorm:"UNIQUE"`
+	DoerID                 int64  `xorm:"INDEX NOT NULL"`
+	MergeStyle             string `xorm:"varchar(30)"`
+	Message                string `xorm:"LONGTEXT"`
+	DeleteBranchAfterMerge bool
+	CreatedUnix            timeutil.TimeStamp `xorm:"created"`
+}
+
+// TableName return database table name for xorm
+func (pullAutoMerge) TableName() string {
+	return "pull_auto_merge"
+}
+
+func AddDeleteBranchAfterMergeForAutoMerge(x *xorm.Engine) error {
+	return x.Sync(new(pullAutoMerge))
+}