oci

Documentation

Overview

Package oci facilitates transferring of git and git-lfs OCI artifacts.

Index

• type Helper
  • func NewOCIHelper(tmpDir string, target oras.GraphTarget, tag string) (*Helper, error)
  • func (o *Helper) CopyLFSFromOCI(ctx context.Context, objDest string, layerDesc ocispec.Descriptor) error

Types

type Helper

type Helper struct {
	Target     oras.GraphTarget
	Tag        string
	FStore     *file.Store
	FStorePath string
}

Helper assists in pushing to or fetching from an OCI compliant registry.

func NewOCIHelper

func NewOCIHelper(tmpDir string, target oras.GraphTarget, tag string) (*Helper, error)

NewOCIHelper returns a ociHelper object used in pushing to or fetching from an OCI compliant registry. The OCI compliant registry must support the Referrer's API. This constructor initializes an oras filestore which is the caller's responsibility to close, may be done with sync.cleanup().

func (*Helper) CopyLFSFromOCI

func (o *Helper) CopyLFSFromOCI(ctx context.Context, objDest string, layerDesc ocispec.Descriptor) error

CopyLFSFromOCI copies a git-lfs file stored as an OCI layer, written to objDest.

TODO: This is inefficient and not a good interface. See issue https://git.act3-ace.com/ace/data/tool/-/issues/504.