33 lines
923 B
Go
33 lines
923 B
Go
package manifest
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import (
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"fmt"
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"regexp"
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)
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var lowercaseSHA256Pattern = regexp.MustCompile(`^[0-9a-f]{64}$`)
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// SemanticConfigFingerprint identifies the versioned, result-affecting
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// configuration observed by one pipeline stage.
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type SemanticConfigFingerprint struct {
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Version int `json:"version"`
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Digest string `json:"digest"`
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}
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// Validate checks the durable fingerprint contract.
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func (f SemanticConfigFingerprint) Validate() error {
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if f.Version <= 0 {
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return fmt.Errorf("version must be positive")
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}
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if !lowercaseSHA256Pattern.MatchString(f.Digest) {
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return fmt.Errorf("digest must be a lowercase SHA-256 value")
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}
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return nil
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}
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// Equal reports whether two valid fingerprint records identify the same
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// semantic configuration contract and payload.
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func (f SemanticConfigFingerprint) Equal(other SemanticConfigFingerprint) bool {
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return f.Version == other.Version && f.Digest == other.Digest
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}
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