Method find_sequence_for_hash

atomic-cli/src/commands/change/command.rs:209–229

Find the sequence number for a hash in the current view.

(
        &self,
        repo: &Repository,
        view_name: &str,
        hash: &Hash,
    )

    /// Find the sequence number for a hash in the current view.
    fn find_sequence_for_hash(
        &self,
        repo: &Repository,
        view_name: &str,
        hash: &Hash,
    ) -> CliResult<Option<u64>> {
        let txn = repo
            .pristine()
            .read_txn()
            .map_err(|e| CliError::Internal(anyhow::anyhow!("{}", e)))?;

        let view = txn
            .get_view(view_name)
            .map_err(|e| CliError::Internal(anyhow::anyhow!("{}", e)))?
            .ok_or_else(|| CliError::ViewNotFound {
                name: view_name.to_string(),
            })?;

        find_change_sequence(&txn, &view, hash)
            .map_err(|e| CliError::Internal(anyhow::anyhow!("{}", e)))
    }

    /// Resolve a hash prefix to a full hash.
    fn resolve_hash_prefix(