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manifest: LayerInfos: preallocate the slice #2499

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Aug 5, 2024
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2 changes: 1 addition & 1 deletion manifest/docker_schema2.go
Original file line number Diff line number Diff line change
Expand Up @@ -202,7 +202,7 @@ func (m *Schema2) ConfigInfo() types.BlobInfo {
// The Digest field is guaranteed to be provided; Size may be -1.
// WARNING: The list may contain duplicates, and they are semantically relevant.
func (m *Schema2) LayerInfos() []LayerInfo {
blobs := []LayerInfo{}
blobs := make([]LayerInfo, 0, len(m.LayersDescriptors))
for _, layer := range m.LayersDescriptors {
blobs = append(blobs, LayerInfo{
BlobInfo: BlobInfoFromSchema2Descriptor(layer),
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2 changes: 1 addition & 1 deletion manifest/oci.go
Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,7 @@ func (m *OCI1) ConfigInfo() types.BlobInfo {
// The Digest field is guaranteed to be provided; Size may be -1.
// WARNING: The list may contain duplicates, and they are semantically relevant.
func (m *OCI1) LayerInfos() []LayerInfo {
blobs := []LayerInfo{}
blobs := make([]LayerInfo, 0, len(m.Layers))
for _, layer := range m.Layers {
blobs = append(blobs, LayerInfo{
BlobInfo: BlobInfoFromOCI1Descriptor(layer),
Expand Down