Merge pull request #284 from mtrmac/mime-constants

Luap99 · web-flow · commit b181f45ae506 · 2025-08-27T16:29:05.000+02:00
Use available constants for MIME types instead of string literals
diff --git a/image/internal/image/docker_schema1.go b/image/internal/image/docker_schema1.go
@@ -202,7 +202,7 @@ func (m *manifestSchema1) convertToManifestSchema2(_ context.Context, options *t
 				d = layerDiffIDs[v2Index]
 			}
 			layers = append(layers, manifest.Schema2Descriptor{
-				MediaType: "application/vnd.docker.image.rootfs.diff.tar.gzip",
+				MediaType: manifest.DockerV2Schema2LayerMediaType,
 				Size:      size,
 				Digest:    m.m.FSLayers[v1Index].BlobSum,
 			})
@@ -217,7 +217,7 @@ func (m *manifestSchema1) convertToManifestSchema2(_ context.Context, options *t
 		return nil, err
 	}
 	configDescriptor := manifest.Schema2Descriptor{
-		MediaType: "application/vnd.docker.container.image.v1+json",
+		MediaType: manifest.DockerV2Schema2ConfigMediaType,
 		Size:      int64(len(configJSON)),
 		Digest:    digest.FromBytes(configJSON),
 	}

Original file line number	Diff line number	Diff line change
`@@ -202,7 +202,7 @@ func (m manifestSchema1) convertToManifestSchema2(_ context.Context, options t`
`202`	`202`	`d = layerDiffIDs[v2Index]`
`203`	`203`	`}`
`204`	`204`	`layers = append(layers, manifest.Schema2Descriptor{`
`205`		`- MediaType: "application/vnd.docker.image.rootfs.diff.tar.gzip",`
	`205`	`+ MediaType: manifest.DockerV2Schema2LayerMediaType,`
`206`	`206`	`Size: size,`
`207`	`207`	`Digest: m.m.FSLayers[v1Index].BlobSum,`
`208`	`208`	`})`
`@@ -217,7 +217,7 @@ func (m manifestSchema1) convertToManifestSchema2(_ context.Context, options t`
`217`	`217`	`return nil, err`
`218`	`218`	`}`
`219`	`219`	`configDescriptor := manifest.Schema2Descriptor{`
`220`		`- MediaType: "application/vnd.docker.container.image.v1+json",`
	`220`	`+ MediaType: manifest.DockerV2Schema2ConfigMediaType,`
`221`	`221`	`Size: int64(len(configJSON)),`
`222`	`222`	`Digest: digest.FromBytes(configJSON),`
`223`	`223`	`}`