1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
package impl
import (
"github.com/containers/image/v5/internal/private"
compression "github.com/containers/image/v5/pkg/compression/types"
)
// BlobMatchesRequiredCompression validates if compression is required by the caller while selecting a blob, if it is required
// then function performs a match against the compression requested by the caller and compression of existing blob
// (which can be nil to represent uncompressed or unknown)
func BlobMatchesRequiredCompression(options private.TryReusingBlobOptions, candidateCompression *compression.Algorithm) bool {
if options.RequiredCompression == nil {
return true // no requirement imposed
}
return candidateCompression != nil && (options.RequiredCompression.Name() == candidateCompression.Name())
}
func OriginalBlobMatchesRequiredCompression(opts private.TryReusingBlobOptions) bool {
return BlobMatchesRequiredCompression(opts, opts.OriginalCompression)
}
|
