// Migrate database to current version
func Migrate(x *xorm.Engine) error {
if err := x.Sync(new(Version)); err != nil {
return fmt.Errorf("sync: %v", err)
}
currentVersion := &Version{Id: 1}
has, err := x.Get(currentVersion)
if err != nil {
return fmt.Errorf("get: %v", err)
} else if !has {
// If the user table does not exist it is a fresh installation and we
// can skip all migrations.
needsMigration, err := x.IsTableExist("user")
if err != nil {
return err
}
if needsMigration {
isEmpty, err := x.IsTableEmpty("user")
if err != nil {
return err
}
// If the user table is empty it is a fresh installation and we can
// skip all migrations.
needsMigration = !isEmpty
}
if !needsMigration {
currentVersion.Version = int64(_MIN_DB_VER + len(migrations))
}
if _, err = x.InsertOne(currentVersion); err != nil {
return fmt.Errorf("insert: %v", err)
}
}
v := currentVersion.Version
if _MIN_DB_VER > v {
log.Fatal(4, "Gogs no longer supports auto-migration from your previously installed version. Please try to upgrade to a lower version first, then upgrade to current version.")
return nil
}
if int(v-_MIN_DB_VER) > len(migrations) {
// User downgraded Gogs.
currentVersion.Version = int64(len(migrations) + _MIN_DB_VER)
_, err = x.Id(1).Update(currentVersion)
return err
}
for i, m := range migrations[v-_MIN_DB_VER:] {
log.Info("Migration: %s", m.Description())
if err = m.Migrate(x); err != nil {
return fmt.Errorf("do migrate: %v", err)
}
currentVersion.Version = v + int64(i) + 1
if _, err = x.Id(1).Update(currentVersion); err != nil {
return err
}
}
return nil
}
// Migrate database to current version
func Migrate(x *xorm.Engine) error {
if err := x.Sync(new(Version)); err != nil {
return fmt.Errorf("sync: %v", err)
}
currentVersion := &Version{Id: 1}
has, err := x.Get(currentVersion)
if err != nil {
return fmt.Errorf("get: %v", err)
} else if !has {
// If the user table does not exist it is a fresh installation and we
// can skip all migrations.
needsMigration, err := x.IsTableExist("user")
if err != nil {
return err
}
if needsMigration {
isEmpty, err := x.IsTableEmpty("user")
if err != nil {
return err
}
// If the user table is empty it is a fresh installation and we can
// skip all migrations.
needsMigration = !isEmpty
}
if !needsMigration {
currentVersion.Version = int64(_MIN_DB_VER + len(migrations))
}
if _, err = x.InsertOne(currentVersion); err != nil {
return fmt.Errorf("insert: %v", err)
}
}
v := currentVersion.Version
for i, m := range migrations[v-_MIN_DB_VER:] {
log.Info("Migration: %s", m.Description())
if err = m.Migrate(x); err != nil {
return fmt.Errorf("do migrate: %v", err)
}
currentVersion.Version = v + int64(i) + 1
if _, err = x.Id(1).Update(currentVersion); err != nil {
return err
}
}
return nil
}
