pkg/blobinfocache/boltdb/boltdb.go
func (bdc *cache) update(fn func(tx *bolt.Tx) error) (retErr error) {
	lockPath(bdc.path)
	defer unlockPath(bdc.path)
	db, err := bolt.Open(bdc.path, 0600, nil)
	if err != nil {
		return err
	}
	defer func() {
		if err := db.Close(); retErr == nil && err != nil {
			retErr = err
		}
	}()

	return db.Update(fn)
}
func (bdc *cache) update(fn func(tx *bolt.Tx) error) (retErr error) {
	lockPath(bdc.path)
	defer unlockPath(bdc.path)
	db, err := bolt.Open(bdc.path, 0600, nil)
	if err != nil {
		return err
	}
	defer func() {
		if err := db.Close(); retErr == nil && err != nil {
			retErr = err
		}
	}()

	return db.Update(fn)
}
func ( bdc * cache ) update ( fn func ( tx * bolt . Tx ) error ) ( retErr error ) { lockPath ( bdc . path ) defer unlockPath ( bdc . path ) db , err := bolt . Open ( bdc . path , 0600 , nil ) if err != nil { return err } defer func ( ) { if err := db . Close ( ) ; retErr == nil && err != nil { retErr = err } } ( ) return db . Update ( fn ) }
// update returns runs the specified fn within a read-write transaction on the database.
update returns runs the specified fn within a read - write transaction on the database .