Function rollback_inserts

atomic-cli/src/commands/git/parallel.rs:3890–3903

Remove change refs a failed squash-insert added to `view`, newest first, so a divergent or partial insert leaves the shared view exactly as it was (SPEC §5 / D1-A). Best-effort: rollback failures are logged, not fatal.

(repo: &Repository, view: &str, applied: &[ContentHash])

/// a divergent or partial insert leaves the shared view exactly as it was
/// (SPEC §5 / D1-A). Best-effort: rollback failures are logged, not fatal.
fn rollback_inserts(repo: &Repository, view: &str, applied: &[ContentHash]) {
    use atomic_repository::UnrecordOptions;
    for hash in applied.iter().rev() {
        let options = UnrecordOptions::default().view(view.to_string());
        if let Err(e) = repo.unrecord(hash, options) {
            print_warning(&format!(
                "Failed to roll back inserted change {} from '{}': {}",
                &hash.to_base32()[..12],
                view,
                e
            ));
        }
    }
}

/// Classify an imported commit as normal, merge, or squash.
fn classify_commit(info: &ImportedCommitInfo) -> CommitClassification {