Method resolve_hash_prefix

atomic-cli/src/commands/change/command.rs:232–266

Resolve a hash prefix to a full hash.

(
        &self,
        repo: &Repository,
        view_name: &str,
        prefix: &str,
    )

    /// Resolve a hash prefix to a full hash.
    fn resolve_hash_prefix(
        &self,
        repo: &Repository,
        view_name: &str,
        prefix: &str,
    ) -> CliResult<(Hash, Option<u64>)> {
        // Search for matching changes
        let mut matches: Vec<Hash> = Vec::new();

        for result in repo.iter_changes() {
            let hash = result.map_err(|e| CliError::Internal(anyhow::anyhow!("{}", e)))?;
            let hash_str = hash.to_base32();
            if hash_str.starts_with(prefix) {
                matches.push(hash);
            }
        }

        match matches.len() {
            0 => Err(CliError::ChangeNotFound {
                hash: prefix.to_string(),
            }),
            1 => {
                let hash = matches[0];
                let seq = self.find_sequence_for_hash(repo, view_name, &hash)?;
                Ok((hash, seq))
            }
            _ => {
                // Format the matches for display in the error message
                let match_list: Vec<String> = matches.iter().map(|h| h.to_base32()).collect();
                Err(CliError::AmbiguousHash {
                    hash: format!("{} (matches: {})", prefix, match_list.join(", ")),
                })
            }
        }
    }

    /// Resolve a sequence number to a hash.
    fn resolve_sequence(&self, repo: &Repository, view_name: &str, seq: u64) -> CliResult<Hash> {