Method print_change_header

atomic-cli/src/commands/diff/helpers.rs:679–735

Print header information for a change diff. Displays the change hash, message, author, and timestamp before showing the actual diff content.

(
        &self,
        change: &Change,
        change_hash: &Hash,
        config: &DiffOutputConfig,
    )

    /// Displays the change hash, message, author, and timestamp before
    /// showing the actual diff content.
    pub(super) fn print_change_header(
        &self,
        change: &Change,
        change_hash: &Hash,
        config: &DiffOutputConfig,
    ) {
        let header = &change.hashed.header;
        let hash_str = change_hash.to_base32();
        let display_hash = hash_str[..DEFAULT_HASH_LENGTH.min(hash_str.len())].to_string();

        // Print change identifier
        if config.color {
            println!("{} {}", emphasis("change"), hash(&display_hash));
        } else {
            println!("change {}", display_hash);
        }

        // Print author(s)
        for author in header.authors.iter() {
            let author_str = if let Some(ref email) = author.email {
                format!("{} <{}>", author.name, email)
            } else {
                author.name.clone()
            };
            if config.color {
                println!("Author: {}", info(&author_str));
            } else {
                println!("Author: {}", author_str);
            }
        }

        // Print timestamp
        let timestamp = header.timestamp.format("%Y-%m-%d %H:%M:%S %Z").to_string();
        if config.color {
            println!("Date:   {}", info(&timestamp));
        } else {
            println!("Date:   {}", timestamp);
        }

        // Print message
        println!();
        if config.color {
            println!("    {}", emphasis(&header.message));
        } else {
            println!("    {}", header.message);
        }

        // Print description if present
        if let Some(ref desc) = header.description {
            println!();
            for line in desc.lines() {
                println!("    {}", line);
            }
        }

        println!();
    }