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validate_repository_immutability

kopiur_api::validate

Function validate_repository_immutability 

Source 
pub fn validate_repository_immutability(
    old: &RepositorySpec,
    new: &RepositorySpec,
) -> Vec<ValidationError>
Expand description

Reject changes to create-time-immutable Repository fields on UPDATE (ADR-0005 §7): create.splitter, create.hash, create.encryption, create.ecc. Returns every changed field so a user sees them all at once. Empty ⇒ no immutable change.

encryption (the password Secret reference) is intentionally NOT in this set — only the resolved password value is fixed in the kopia format, and the reference is not a reliable proxy for it (see [diff_immutable_repo_fields]). Renaming the Secret is fine.

use kopiur_api::repository::RepositorySpec;
use kopiur_api::validate::validate_repository_immutability;
// Unchanged splitter → accepted.
assert!(validate_repository_immutability(&spec(Some("FIXED-4M")), &spec(Some("FIXED-4M"))).is_empty());
// Changed splitter → rejected.
assert!(!validate_repository_immutability(&spec(Some("FIXED-4M")), &spec(Some("DYNAMIC"))).is_empty());