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Wwwsylvia merged 2 commits into from
Mar 4, 2025
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chore: update to image-spec v1.1.1 #909

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2a445f3
update links
Wwwsylvia Mar 4, 2025
181c683
use latest regex
Wwwsylvia Mar 4, 2025
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6 changes: 3 additions & 3 deletions content/oci/oci.go
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Expand Up @@ -14,7 +14,7 @@ limitations under the License.
*/

// Package oci provides access to an OCI content store.
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.0/image-layout.md
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.1/image-layout.md
package oci

import (
Expand Down Expand Up @@ -44,7 +44,7 @@ import (

// Store implements `oras.Target`, and represents a content store
// based on file system with the OCI-Image layout.
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.0/image-layout.md
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.1/image-layout.md
type Store struct {
// AutoSaveIndex controls if the OCI store will automatically save the index
// file when needed.
Expand Down Expand Up @@ -222,7 +222,7 @@ func (s *Store) delete(ctx context.Context, target ocispec.Descriptor) ([]ocispe

// Tag tags a descriptor with a reference string.
// reference should be a valid tag (e.g. "latest").
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.0/image-layout.md#indexjson-file
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.1/image-layout.md#indexjson-file
func (s *Store) Tag(ctx context.Context, desc ocispec.Descriptor, reference string) error {
s.sync.RLock()
defer s.sync.RUnlock()
Expand Down
2 changes: 1 addition & 1 deletion content/oci/readonlyoci.go
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Expand Up @@ -36,7 +36,7 @@ import (

// ReadOnlyStore implements `oras.ReadonlyTarget`, and represents a read-only
// content store based on file system with the OCI-Image layout.
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.0/image-layout.md
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.1/image-layout.md
type ReadOnlyStore struct {
fsys fs.FS
storage content.ReadOnlyStorage
Expand Down
2 changes: 1 addition & 1 deletion content/oci/readonlystorage.go
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Expand Up @@ -31,7 +31,7 @@ import (

// ReadOnlyStorage is a read-only CAS based on file system with the OCI-Image
// layout.
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.0/image-layout.md
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.1/image-layout.md
type ReadOnlyStorage struct {
fsys fs.FS
}
Expand Down
2 changes: 1 addition & 1 deletion content/oci/storage.go
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Expand Up @@ -43,7 +43,7 @@ var bufPool = sync.Pool{
}

// Storage is a CAS based on file system with the OCI-Image layout.
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.0/image-layout.md
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.1/image-layout.md
type Storage struct {
*ReadOnlyStorage
// root is the root directory of the OCI layout.
Expand Down
2 changes: 1 addition & 1 deletion example_pack_test.go
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Expand Up @@ -26,7 +26,7 @@ import (
)

// ExampleImageV11 demonstrates packing an OCI Image Manifest as defined in
// image-spec v1.1.0.
// image-spec v1.1.1.
func ExamplePackManifest_imageV11() {
// 0. Create a storage
store := memory.New()
Expand Down
12 changes: 6 additions & 6 deletions pack.go
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Expand Up @@ -78,8 +78,8 @@ const (
PackManifestVersion1_1_RC4 PackManifestVersion = PackManifestVersion1_1

// PackManifestVersion1_1 represents the OCI Image Manifest defined in
// image-spec v1.1.0.
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.0/manifest.md
// image-spec v1.1.1.
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.1/manifest.md
PackManifestVersion1_1 PackManifestVersion = 2
)

Expand Down Expand Up @@ -110,9 +110,9 @@ type PackManifestOptions struct {

// mediaTypeRegexp checks the format of media types.
// References:
// - https://github.com/opencontainers/image-spec/blob/v1.1.0/schema/defs-descriptor.json#L7
// - https://github.com/opencontainers/image-spec/blob/v1.1.1/schema/defs-descriptor.json#L7
// - https://datatracker.ietf.org/doc/html/rfc6838#section-4.2
var mediaTypeRegexp = regexp.MustCompile(`^[A-Za-z0-9][A-Za-z0-9!#$&-^_.+]{0,126}/[A-Za-z0-9][A-Za-z0-9!#$&-^_.+]{0,126}$`)
var mediaTypeRegexp = regexp.MustCompile(`^[A-Za-z0-9][A-Za-z0-9!#$&^_.+-]{0,126}/[A-Za-z0-9][A-Za-z0-9!#$&^_.+-]{0,126}$`)

// PackManifest generates an OCI Image Manifest based on the given parameters
// and pushes the packed manifest to a content storage using pusher. The version
Expand Down Expand Up @@ -301,8 +301,8 @@ func packManifestV1_1_RC2(ctx context.Context, pusher content.Pusher, configMedi
return pushManifest(ctx, pusher, manifest, manifest.MediaType, manifest.Config.MediaType, manifest.Annotations)
}

// packManifestV1_1 packs an image manifest defined in image-spec v1.1.0.
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.0/manifest.md#guidelines-for-artifact-usage
// packManifestV1_1 packs an image manifest defined in image-spec v1.1.1.
// Reference: https://github.com/opencontainers/image-spec/blob/v1.1.1/manifest.md#guidelines-for-artifact-usage
func packManifestV1_1(ctx context.Context, pusher content.Pusher, artifactType string, opts PackManifestOptions) (ocispec.Descriptor, error) {
if artifactType == "" && (opts.ConfigDescriptor == nil || opts.ConfigDescriptor.MediaType == ocispec.MediaTypeEmptyJSON) {
// artifactType MUST be set when config.mediaType is set to the empty value
Expand Down
4 changes: 2 additions & 2 deletions registry/reference.go
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Expand Up @@ -34,13 +34,13 @@ var (
//
// References:
// - https://github.com/distribution/distribution/blob/v2.7.1/reference/regexp.go#L53
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#pulling-manifests
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#pulling-manifests
repositoryRegexp = regexp.MustCompile(`^[a-z0-9]+(?:(?:[._]|__|[-]*)[a-z0-9]+)*(?:/[a-z0-9]+(?:(?:[._]|__|[-]*)[a-z0-9]+)*)*$`)

// tagRegexp checks the tag name.
// The docker and OCI spec have the same regular expression.
//
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#pulling-manifests
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#pulling-manifests
tagRegexp = regexp.MustCompile(`^[\w][\w.-]{0,127}$`)
)

Expand Down
6 changes: 3 additions & 3 deletions registry/remote/errcode/errors.go
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Expand Up @@ -24,7 +24,7 @@ import (
)

// References:
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#error-codes
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#error-codes
// - https://docs.docker.com/registry/spec/api/#errors-2
const (
ErrorCodeBlobUnknown = "BLOB_UNKNOWN"
Expand All @@ -45,7 +45,7 @@ const (
// Error represents a response inner error returned by the remote
// registry.
// References:
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#error-codes
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#error-codes
// - https://docs.docker.com/registry/spec/api/#errors-2
type Error struct {
Code string `json:"code"`
Expand Down Expand Up @@ -73,7 +73,7 @@ func (e Error) Error() string {
// Errors represents a list of response inner errors returned by the remote
// server.
// References:
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#error-codes
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#error-codes
// - https://docs.docker.com/registry/spec/api/#errors-2
type Errors []Error

Expand Down
2 changes: 1 addition & 1 deletion registry/remote/referrers.go
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Expand Up @@ -102,7 +102,7 @@ func (e *ReferrersError) IsReferrersIndexDelete() bool {

// buildReferrersTag builds the referrers tag for the given manifest descriptor.
// Format: <algorithm>-<digest>
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#unavailable-referrers-api
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#unavailable-referrers-api
func buildReferrersTag(desc ocispec.Descriptor) string {
alg := desc.Digest.Algorithm().String()
encoded := desc.Digest.Encoded()
Expand Down
2 changes: 1 addition & 1 deletion registry/remote/registry.go
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Expand Up @@ -94,7 +94,7 @@ func (r *Registry) do(req *http.Request) (*http.Response, error) {
//
// References:
// - https://docs.docker.com/registry/spec/api/#base
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#api
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#api
func (r *Registry) Ping(ctx context.Context) error {
url := buildRegistryBaseURL(r.PlainHTTP, r.Reference)
req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
Expand Down
42 changes: 21 additions & 21 deletions registry/remote/repository.go
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Expand Up @@ -53,15 +53,15 @@ const (
//
// References:
// - https://docs.docker.com/registry/spec/api/#digest-header
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#pull
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#pull
headerDockerContentDigest = "Docker-Content-Digest"

// headerOCIFiltersApplied is the "OCI-Filters-Applied" header.
// If present on the response, it contains a comma-separated list of the
// applied filters.
//
// Reference:
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#listing-referrers
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#listing-referrers
headerOCIFiltersApplied = "OCI-Filters-Applied"

// headerOCISubject is the "OCI-Subject" header.
Expand All @@ -74,7 +74,7 @@ const (
// referrers.
//
// References:
// - Latest spec: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#listing-referrers
// - Latest spec: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#listing-referrers
// - Compatible spec: https://github.com/opencontainers/distribution-spec/blob/v1.1.0-rc1/spec.md#listing-referrers
const filterTypeArtifactType = "artifactType"

Expand Down Expand Up @@ -138,16 +138,16 @@ type Repository struct {
// is successfully uploaded.
// - If true, the old referrers index is kept.
// By default, it is disabled (set to false). See also:
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#referrers-tag-schema
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#pushing-manifests-with-subject
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#deleting-manifests
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#referrers-tag-schema
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#pushing-manifests-with-subject
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#deleting-manifests
SkipReferrersGC bool

// HandleWarning handles the warning returned by the remote server.
// Callers SHOULD deduplicate warnings from multiple associated responses.
//
// References:
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#warnings
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#warnings
// - https://www.rfc-editor.org/rfc/rfc7234#section-5.5
HandleWarning func(warning Warning)

Expand Down Expand Up @@ -217,9 +217,9 @@ func (r *Repository) clone() *Repository {
// SetReferrersCapability returns ErrReferrersCapabilityAlreadySet if the
// Referrers API capability has been already set.
// - When the capability is set to true, the Referrers() function will always
// request the Referrers API. Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#listing-referrers
// request the Referrers API. Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#listing-referrers
// - When the capability is set to false, the Referrers() function will always
// request the Referrers Tag. Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#referrers-tag-schema
// request the Referrers Tag. Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#referrers-tag-schema
// - When the capability is not set, the Referrers() function will automatically
// determine which API to use.
func (r *Repository) SetReferrersCapability(capable bool) error {
Expand Down Expand Up @@ -393,7 +393,7 @@ func (r *Repository) ParseReference(reference string) (registry.Reference, error
// of the Tags list.
//
// References:
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#content-discovery
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#content-discovery
// - https://docs.docker.com/registry/spec/api/#tags
func (r *Repository) Tags(ctx context.Context, last string, fn func(tags []string) error) error {
ctx = auth.AppendRepositoryScope(ctx, r.Reference, auth.ActionPull)
Expand Down Expand Up @@ -452,7 +452,7 @@ func (r *Repository) tags(ctx context.Context, last string, fn func(tags []strin
// Predecessors returns the descriptors of image or artifact manifests directly
// referencing the given manifest descriptor.
// Predecessors internally leverages Referrers.
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#listing-referrers
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#listing-referrers
func (r *Repository) Predecessors(ctx context.Context, desc ocispec.Descriptor) ([]ocispec.Descriptor, error) {
var res []ocispec.Descriptor
if err := r.Referrers(ctx, desc, "", func(referrers []ocispec.Descriptor) error {
Expand All @@ -471,7 +471,7 @@ func (r *Repository) Predecessors(ctx context.Context, desc ocispec.Descriptor)
// If artifactType is not empty, only referrers of the same artifact type are
// fed to fn.
//
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#listing-referrers
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#listing-referrers
func (r *Repository) Referrers(ctx context.Context, desc ocispec.Descriptor, artifactType string, fn func(referrers []ocispec.Descriptor) error) error {
state := r.loadReferrersState()
if state == referrersStateUnsupported {
Expand Down Expand Up @@ -570,7 +570,7 @@ func (r *Repository) referrersPageByAPI(ctx context.Context, artifactType string
referrers := index.Manifests
if artifactType != "" {
// check both filters header and filters annotations for compatibility
// latest spec for filters header: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#listing-referrers
// latest spec for filters header: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#listing-referrers
// older spec for filters annotations: https://github.com/opencontainers/distribution-spec/blob/v1.1.0-rc1/spec.md#listing-referrers
filtersHeader := resp.Header.Get(headerOCIFiltersApplied)
filtersAnnotation := index.Annotations[spec.AnnotationReferrersFiltersApplied]
Expand All @@ -592,7 +592,7 @@ func (r *Repository) referrersPageByAPI(ctx context.Context, artifactType string
// referencing the given manifest descriptor by requesting referrers tag.
// fn is called for the referrers result. If artifactType is not empty,
// only referrers of the same artifact type are fed to fn.
// reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#backwards-compatibility
// reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#backwards-compatibility
func (r *Repository) referrersByTagSchema(ctx context.Context, desc ocispec.Descriptor, artifactType string, fn func(referrers []ocispec.Descriptor) error) error {
referrersTag := buildReferrersTag(desc)
_, referrers, err := r.referrersFromIndex(ctx, referrersTag)
Expand Down Expand Up @@ -809,7 +809,7 @@ func (s *blobStore) Mount(ctx context.Context, desc ocispec.Descriptor, fromRepo
// push it. If the caller has provided a getContent function, we
// can use that, otherwise pull the content from the source repository.
//
// [spec]: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#mounting-a-blob-from-another-repository
// [spec]: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#mounting-a-blob-from-another-repository

var r io.ReadCloser
if getContent != nil {
Expand Down Expand Up @@ -844,7 +844,7 @@ func (s *blobStore) sibling(otherRepoName string) *blobStore {
// References:
// - https://docs.docker.com/registry/spec/api/#pushing-an-image
// - https://docs.docker.com/registry/spec/api/#initiate-blob-upload
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#pushing-a-blob-monolithically
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#pushing-a-blob-monolithically
func (s *blobStore) Push(ctx context.Context, expected ocispec.Descriptor, content io.Reader) error {
// start an upload
// pushing usually requires both pull and push actions.
Expand Down Expand Up @@ -1154,7 +1154,7 @@ func (s *manifestStore) deleteWithIndexing(ctx context.Context, target ocispec.D
// on manifest delete.
//
// References:
// - Latest spec: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#deleting-manifests
// - Latest spec: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#deleting-manifests
// - Compatible spec: https://github.com/opencontainers/distribution-spec/blob/v1.1.0-rc1/spec.md#deleting-manifests
func (s *manifestStore) indexReferrersForDelete(ctx context.Context, desc ocispec.Descriptor, manifestJSON []byte) error {
var manifest struct {
Expand Down Expand Up @@ -1340,7 +1340,7 @@ func (s *manifestStore) push(ctx context.Context, expected ocispec.Descriptor, c

// checkOCISubjectHeader checks the "OCI-Subject" header in the response and
// sets referrers capability accordingly.
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#pushing-manifests-with-subject
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#pushing-manifests-with-subject
func (s *manifestStore) checkOCISubjectHeader(resp *http.Response) {
// If the "OCI-Subject" header is set, it indicates that the registry
// supports the Referrers API and has processed the subject of the manifest.
Expand Down Expand Up @@ -1391,7 +1391,7 @@ func (s *manifestStore) pushWithIndexing(ctx context.Context, expected ocispec.D
// on manifest push.
//
// References:
// - Latest spec: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#pushing-manifests-with-subject
// - Latest spec: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#pushing-manifests-with-subject
// - Compatible spec: https://github.com/opencontainers/distribution-spec/blob/v1.1.0-rc1/spec.md#pushing-manifests-with-subject
func (s *manifestStore) indexReferrersForPush(ctx context.Context, desc ocispec.Descriptor, manifestJSON []byte) error {
var subject ocispec.Descriptor
Expand Down Expand Up @@ -1448,8 +1448,8 @@ func (s *manifestStore) indexReferrersForPush(ctx context.Context, desc ocispec.
// updateReferrersIndex updates the referrers index for desc referencing subject
// on manifest push and manifest delete.
// References:
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#pushing-manifests-with-subject
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#deleting-manifests
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#pushing-manifests-with-subject
// - https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#deleting-manifests
func (s *manifestStore) updateReferrersIndex(ctx context.Context, subject ocispec.Descriptor, change referrerChange) (err error) {
referrersTag := buildReferrersTag(subject)

Expand Down
2 changes: 1 addition & 1 deletion registry/remote/url.go
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Expand Up @@ -101,7 +101,7 @@ func buildRepositoryBlobMountURL(plainHTTP bool, ref registry.Reference, d diges

// buildReferrersURL builds the URL for querying the Referrers API.
// Format: <scheme>://<registry>/v2/<repository>/referrers/<digest>?artifactType=<artifactType>
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.0/spec.md#listing-referrers
// Reference: https://github.com/opencontainers/distribution-spec/blob/v1.1.1/spec.md#listing-referrers
func buildReferrersURL(plainHTTP bool, ref registry.Reference, artifactType string) string {
var query string
if artifactType != "" {
Expand Down
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