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57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
package backend
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import (
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"io"
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"io/ioutil"
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"restic"
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)
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// LoadAll reads all data stored in the backend for the handle.
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func LoadAll(be restic.Backend, h restic.Handle) (buf []byte, err error) {
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rd, err := be.Load(h, 0, 0)
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if err != nil {
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return nil, err
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}
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defer func() {
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_, e := io.Copy(ioutil.Discard, rd)
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if err == nil {
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err = e
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}
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e = rd.Close()
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if err == nil {
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err = e
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}
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}()
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return ioutil.ReadAll(rd)
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}
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// Closer wraps an io.Reader and adds a Close() method that does nothing.
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type Closer struct {
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io.Reader
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}
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// Close is a no-op.
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func (c Closer) Close() error {
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return nil
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}
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// LimitedReadCloser wraps io.LimitedReader and exposes the Close() method.
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type LimitedReadCloser struct {
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io.ReadCloser
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io.Reader
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}
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// Read reads data from the limited reader.
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func (l *LimitedReadCloser) Read(p []byte) (int, error) {
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return l.Reader.Read(p)
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}
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// LimitReadCloser returns a new reader wraps r in an io.LimitReader, but also
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// exposes the Close() method.
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func LimitReadCloser(r io.ReadCloser, n int64) *LimitedReadCloser {
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return &LimitedReadCloser{ReadCloser: r, Reader: io.LimitReader(r, n)}
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}
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