Method display_dry_run

atomic-cli/src/commands/revise.rs:452–517

Display what would be done in dry-run mode.

(
        &self,
        repo: &Repository,
        sequence: u64,
        entry: &HistoryEntry,
    )

    /// Display what would be done in dry-run mode.
    fn display_dry_run(
        &self,
        repo: &Repository,
        sequence: u64,
        entry: &HistoryEntry,
    ) -> CliResult<()> {
        let stack_name = repo.current_view();
        let stack_info = repo
            .get_view_info(stack_name)
            .map_err(CliError::Repository)?;
        let changes_to_unrecord = stack_info.change_count - sequence;

        println!(
            "Would revise change {} (sequence #{})",
            format_hash(&entry.hash, false),
            sequence
        );
        println!();

        if changes_to_unrecord > 1 {
            println!(
                "This will temporarily unrecord {} changes:",
                changes_to_unrecord
            );

            // Get history entries for display
            let history = repo
                .log(HistoryOptions::default())
                .map_err(CliError::Repository)?;

            // Filter and display entries from sequence to end (in reverse order)
            let mut entries_to_show: Vec<_> = history
                .into_iter()
                .filter(|e| e.sequence >= sequence)
                .collect();
            entries_to_show.sort_by_key(|x| std::cmp::Reverse(x.sequence));

            for e in entries_to_show {
                let marker = if e.sequence == sequence {
                    " (target)"
                } else {
                    ""
                };
                println!(
                    "  #{}: {}{}",
                    e.sequence,
                    format_hash(&e.hash, false),
                    marker
                );
            }
            println!();
            println!(
                "After revision, {} changes will be re-applied.",
                changes_to_unrecord - 1
            );
        } else {
            println!("This is the last change - no re-application needed.");
        }