Fix adding branch as protected to not allow pushing to it (#2556)

* Fix adding branch as protected to not allow pushing to it

* Fix can_push value to false in protected_branch (#2560)

* Fix integration test

models/branches.go

@@ -17,10 +17,10 @@ const (
 
 // ProtectedBranch struct
 type ProtectedBranch struct {
-	ID          int64  `xorm:"pk autoincr"`
-	RepoID      int64  `xorm:"UNIQUE(s)"`
-	BranchName  string `xorm:"UNIQUE(s)"`
-	CanPush     bool
+	ID          int64     `xorm:"pk autoincr"`
+	RepoID      int64     `xorm:"UNIQUE(s)"`
+	BranchName  string    `xorm:"UNIQUE(s)"`
+	CanPush     bool      `xorm:"NOT NULL DEFAULT false"`
 	Created     time.Time `xorm:"-"`
 	CreatedUnix int64
 	Updated     time.Time `xorm:"-"`

models/migrations/migrations.go

@@ -126,6 +126,8 @@ var migrations = []Migration{
 	NewMigration("unescape user full names", unescapeUserFullNames),
 	// v38 -> v39
 	NewMigration("remove commits and settings unit types", removeCommitsUnitType),
+	// v43 -> v44
+	NewMigration("fix protected branch can push value to false", fixProtectedBranchCanPushValue),
 }
 
 // Migrate database to current version

models/migrations/v43.go

@@ -0,0 +1,18 @@
+// Copyright 2017 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 (
+	"code.gitea.io/gitea/models"
+
+	"github.com/go-xorm/xorm"
+)
+
+func fixProtectedBranchCanPushValue(x *xorm.Engine) error {
+	_, err := x.Cols("can_push").Update(&models.ProtectedBranch{
+		CanPush: false,
+	})
+	return err
+}