Method resolve_identifier

atomic-cli/src/commands/change/command.rs:171–206

Resolve the change identifier to a hash. # Arguments `repo` - The repository `id` - The parsed change identifier # Returns A tuple of (hash, optional sequence number).

(&self, repo: &Repository)

    ///
    /// A tuple of (hash, optional sequence number).
    fn resolve_identifier(&self, repo: &Repository) -> CliResult<(Hash, Option<u64>)> {
        let id = ChangeIdentifier::parse(self.identifier.as_deref())
            .map_err(|e| CliError::InvalidArgument { message: e })?;

        let view_name = self.view.as_deref().unwrap_or_else(|| repo.current_view());

        match id {
            ChangeIdentifier::FullHash(hash) => {
                // Verify the change exists
                if !repo.has_change(&hash) {
                    return Err(CliError::ChangeNotFound {
                        hash: hash.to_base32(),
                    });
                }

                // Try to find sequence number
                let seq = self.find_sequence_for_hash(repo, view_name, &hash)?;
                Ok((hash, seq))
            }

            ChangeIdentifier::HashPrefix(prefix) => {
                let (hash, seq) = self.resolve_hash_prefix(repo, view_name, &prefix)?;
                Ok((hash, seq))
            }

            ChangeIdentifier::Sequence(seq) => {
                let hash = self.resolve_sequence(repo, view_name, seq)?;
                Ok((hash, Some(seq)))
            }

            ChangeIdentifier::Latest => {
                let (hash, seq) = self.get_latest_change(repo, view_name)?;
                Ok((hash, Some(seq)))
            }
        }
    }

    /// Find the sequence number for a hash in the current view.
    fn find_sequence_for_hash(