Tim Hockin <******@****.***> 1705473522 -0800

Tim Hockin <******@****.***> 1705473522 -0800

Tim Hockin <******@****.***> 1705473522 -0800

Tim Hockin <******@****.***> 1705473522 -0800

Tim Hockin <******@****.***> 1705473522 -0800

Tim Hockin <******@****.***> 1705473522 -0800

}

// filename returns the name of the file to use for f,
// given the current time now.
// It also returns the time when that name will no longer be valid
// and a new filename should be computed.
func (f *file) filename(now time.Time) (name string, expire time.Time, err error) {
	now = now.UTC()
	year, month, day := now.Date()
	begin := time.Date(year, month, day, 0, 0, 0, 0, time.UTC)

// See the License for the specific language governing permissions and
// limitations under the License.

package file

import (
	"bytes"
	"errors"
	"fmt"
	"io"
	"io/fs"
	"os"
	"path/filepath"
)

// AtomicCopy copies file by reading the file then writing atomically into the target directory
func AtomicCopy(srcFilepath, targetDir, targetFilename string) error {
	in, err := os.Open(srcFilepath)

// A zero value for t means I/O operations will not time out.
func (f *File) SetDeadline(t time.Time) error {
	return f.setDeadline(t)
}

// SetReadDeadline sets the deadline for future Read calls and any
// currently-blocked Read call.
// A zero value for t means Read will not time out.
// Not all files support setting deadlines; see SetDeadline.
func (f *File) SetReadDeadline(t time.Time) error {
	return f.setReadDeadline(t)
}

	f, err := os.Open(name)
	if err != nil {
		return nil, err
	}
	ff, err := NewFile(f)
	if err != nil {
		f.Close()
		return nil, err
	}
	ff.closer = f
	return ff, nil
}

// Close closes the [File].
// If the [File] was created using [NewFile] directly instead of [Open],
// Close has no effect.
func (f *File) Close() error {
	var err error
	if f.closer != nil {