newReference will parse and validate the reference, and clean tags when applicable tags are only cleaned when plus (+) signs are present and are converted to underscores (_) before pushing See https://github.com/helm/helm/issues/10166
(raw string)
| 35 | // converted to underscores (_) before pushing |
| 36 | // See https://github.com/helm/helm/issues/10166 |
| 37 | func newReference(raw string) (result reference, err error) { |
| 38 | // Remove the oci:// prefix if it is there |
| 39 | raw = strings.TrimPrefix(raw, OCIScheme+"://") |
| 40 | |
| 41 | // The sole possible reference modification is replacing plus (+) signs |
| 42 | // present in tags with underscores (_). To do this properly, we first |
| 43 | // need to identify a tag, and then pass it on to the reference parser |
| 44 | // NOTE: Passing immediately to the reference parser will fail since (+) |
| 45 | // signs are an invalid tag character, and simply replacing all plus (+) |
| 46 | // occurrences could invalidate other portions of the URI |
| 47 | lastIndex := strings.LastIndex(raw, "@") |
| 48 | if lastIndex >= 0 { |
| 49 | result.Digest = raw[(lastIndex + 1):] |
| 50 | raw = raw[:lastIndex] |
| 51 | } |
| 52 | parts := strings.Split(raw, ":") |
| 53 | if len(parts) > 1 && !strings.Contains(parts[len(parts)-1], "/") { |
| 54 | tag := parts[len(parts)-1] |
| 55 | |
| 56 | if tag != "" { |
| 57 | // Replace any plus (+) signs with known underscore (_) conversion |
| 58 | newTag := strings.ReplaceAll(tag, "+", "_") |
| 59 | raw = strings.ReplaceAll(raw, tag, newTag) |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | result.orasReference, err = registry.ParseReference(raw) |
| 64 | if err != nil { |
| 65 | return result, err |
| 66 | } |
| 67 | result.Registry = result.orasReference.Registry |
| 68 | result.Repository = result.orasReference.Repository |
| 69 | result.Tag = result.orasReference.Reference |
| 70 | return result, nil |
| 71 | } |
| 72 | |
| 73 | func (r *reference) String() string { |
| 74 | if r.Tag == "" { |
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