common

const (
	NoCompression = iota
	GzipCompression
)

const (
	// AppcDockerOriginalName is the unmodified name this image was originally
	// referenced by for fetching, e.g. something like "nginx:tag" or
	// "quay.io/user/image:latest" This is identical in most cases to
	// 'registryurl/repository:tag' but may differ for the default Dockerhub
	// registry or if the tag was inferred as latest.
	AppcDockerOriginalName  = "appc.io/docker/originalname"
	AppcDockerRegistryURL   = "appc.io/docker/registryurl"
	AppcDockerRepository    = "appc.io/docker/repository"
	AppcDockerTag           = "appc.io/docker/tag"
	AppcDockerImageID       = "appc.io/docker/imageid"
	AppcDockerParentImageID = "appc.io/docker/parentimageid"
	AppcDockerEntrypoint    = "appc.io/docker/entrypoint"
	AppcDockerCmd           = "appc.io/docker/cmd"
	AppcDockerManifestHash  = "appc.io/docker/manifesthash"
)

const (
	MediaTypeDockerV21Manifest       = "application/vnd.docker.distribution.manifest.v1+json"
	MediaTypeDockerV21SignedManifest = "application/vnd.docker.distribution.manifest.v1+prettyjws"
	MediaTypeDockerV21ManifestLayer  = "application/vnd.docker.container.image.rootfs.diff+x-gtar"

	MediaTypeDockerV22Manifest     = "application/vnd.docker.distribution.manifest.v2+json"
	MediaTypeDockerV22ManifestList = "application/vnd.docker.distribution.manifest.list.v2+json"
	MediaTypeDockerV22Config       = "application/vnd.docker.container.image.v1+json"
	MediaTypeDockerV22RootFS       = "application/vnd.docker.image.rootfs.diff.tar.gzip"

	MediaTypeOCIV1Manifest     = spec.MediaTypeImageManifest
	MediaTypeOCIV1ManifestList = spec.MediaTypeImageManifestList
	MediaTypeOCIV1Config       = spec.MediaTypeImageConfig
	MediaTypeOCIV1Layer        = spec.MediaTypeImageLayer
)

const (
	MediaTypeOptionDockerV21 = iota
	MediaTypeOptionDockerV22
	MediaTypeOptionOCIV1Pre
)

const (
	RegistryOptionV1 = iota
	RegistryOptionV2
)