Add label descriptions (#3662)

* Add label descriptions

* Add default descriptions to label template

models/migrations/migrations.go

@@ -168,6 +168,8 @@ var migrations = []Migration{
 	NewMigration("remove is_owner, num_teams columns from org_user", removeIsOwnerColumnFromOrgUser),
 	// v57 -> v58
 	NewMigration("add closed_unix column for issues", addIssueClosedTime),
+	// v58 -> v59
+	NewMigration("add label descriptions", addLabelsDescriptions),
 }
 
 // Migrate database to current version

models/migrations/v58.go

@@ -0,0 +1,22 @@
+// Copyright 2018 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"
+
+	"github.com/go-xorm/xorm"
+)
+
+func addLabelsDescriptions(x *xorm.Engine) error {
+	type Label struct {
+		Description string
+	}
+
+	if err := x.Sync2(new(Label)); err != nil {
+		return fmt.Errorf("Sync2: %v", err)
+	}
+	return nil
+}