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9389f76f6d
Copy the function to the package, so that we don't have a dependency on pkg/longpath. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
34 lines
901 B
Go
34 lines
901 B
Go
package chrootarchive // import "github.com/docker/docker/pkg/chrootarchive"
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import (
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"fmt"
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"io"
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"path/filepath"
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"github.com/docker/docker/pkg/archive"
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)
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// applyLayerHandler parses a diff in the standard layer format from `layer`, and
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// applies it to the directory `dest`. Returns the size in bytes of the
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// contents of the layer.
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func applyLayerHandler(dest string, layer io.Reader, options *archive.TarOptions, decompress bool) (size int64, err error) {
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if decompress {
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decompressed, err := archive.DecompressStream(layer)
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if err != nil {
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return 0, err
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}
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defer decompressed.Close()
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layer = decompressed
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}
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// Ensure it is a Windows-style volume path
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dest = addLongPathPrefix(filepath.Clean(dest))
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s, err := archive.UnpackLayer(dest, layer, nil)
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if err != nil {
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return 0, fmt.Errorf("ApplyLayer %s failed UnpackLayer to %s: %s", layer, dest, err)
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}
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return s, nil
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}
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