func Clear(dbpath string, stop uint64, closed []uint64) error {
tmp, err := stream.New("tmp.stream")
if err != nil {
return err
}
if err = tmp.Close(); err != nil {
return err
}
for _, commit := range closed {
fmt.Println("commit", commit)
if commit < stop {
path := filepath.Join(dbpath, "stream", fmt.Sprintf("events.%024v.stream", commit))
fmt.Println("clearing", path)
err := exec.Command("cp", "-f", "tmp.stream", path).Run()
if err != nil {
return err
}
}
}
os.Remove("tmp.stream")
return nil
}
func (db *DB) setCurrent(commit uint64) {
db.current = commit
db.mockoffset = 10
err := os.Remove(db.reader.Path(commit))
if err != nil && !strings.Contains(err.Error(), "no such file or directory") {
log.Fatal(err)
}
s, err := stream.New(db.reader.Path(commit))
if err != nil {
log.Fatal(err)
}
db.stream = s
log.Println("STREAM: Creating", db.current)
}