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fix: detect OCI manifest media type for Helm chart support

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Distinguish OCI vs Docker manifests by checking config.mediaType
instead of assuming all schemaVersion 2 manifests are Docker.
Enables helm push/pull via OCI protocol.

DevITWay
This commit is contained in:
devitway
2026-03-03 10:56:52 +00:00
parent 4c3a9f6bd5
commit 07de85d4f8
1 changed files with 10 additions and 2 deletions
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12
nora-registry/src/registry/docker.rs
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@@ -748,8 +748,16 @@ fn detect_manifest_media_type(data: &[u8]) -> String {
if schema_version == 1 {
return "application/vnd.docker.distribution.manifest.v1+json".to_string();
}
// schemaVersion 2 without mediaType is likely docker manifest v2
if json.get("config").is_some() {
// schemaVersion 2 without mediaType - check config.mediaType to distinguish OCI vs Docker
if let Some(config) = json.get("config") {
if let Some(config_mt) = config.get("mediaType").and_then(|v| v.as_str()) {
if config_mt.starts_with("application/vnd.docker.") {
return "application/vnd.docker.distribution.manifest.v2+json".to_string();
}
// OCI or Helm or any non-docker config mediaType
return "application/vnd.oci.image.manifest.v1+json".to_string();
}
// No config.mediaType - assume docker v2
return "application/vnd.docker.distribution.manifest.v2+json".to_string();
}
// If it has "manifests" array, it's an index/list