mirror of https://github.com/containers/podman.git
38 lines
824 B
Go
38 lines
824 B
Go
package compression
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import (
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"io"
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image "github.com/containers/image/v5/pkg/compression"
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"github.com/sirupsen/logrus"
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)
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type gzipDecompressor struct {
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genericDecompressor
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gzReader io.ReadCloser
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}
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func newGzipDecompressor(compressedFilePath string) (*gzipDecompressor, error) {
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d, err := newGenericDecompressor(compressedFilePath)
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return &gzipDecompressor{*d, nil}, err
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}
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func (d *gzipDecompressor) decompress(w WriteSeekCloser, r io.Reader) error {
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gzReader, err := image.GzipDecompressor(r)
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if err != nil {
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return err
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}
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d.gzReader = gzReader
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sparseWriter := NewSparseWriter(w)
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_, err = io.Copy(sparseWriter, gzReader)
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return err
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}
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func (d *gzipDecompressor) close() {
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if err := d.gzReader.Close(); err != nil {
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logrus.Errorf("Unable to close gz file: %q", err)
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}
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d.genericDecompressor.close()
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}
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