1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
package testutils
import (
"io"
"github.com/docker/docker/pkg/archive"
"github.com/opencontainers/go-digest"
)
// UncompressedTarDigest returns the canonical digest of the uncompressed tar stream.
func UncompressedTarDigest(compressedTar io.Reader) (digest.Digest, error) {
rd, err := archive.DecompressStream(compressedTar)
if err != nil {
return "", err
}
defer rd.Close()
digester := digest.Canonical.Digester()
if _, err := io.Copy(digester.Hash(), rd); err != nil {
return "", err
}
return digester.Digest(), nil
}
|
