zoi-cli 1.24.6

Advanced Package Manager & Environment Orchestrator
Documentation 
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use anyhow::{Result, anyhow};
use colored::*;
use std::path::PathBuf;
use zoi_core::cache;
use zoi_install::resolver::resolve_dependency_graph;
use zoi_install::util;

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum DownloadType {
    Archive,
    Source,
}

pub fn run(
    package_source: String,
    download_type: DownloadType,
    output_dir: Option<PathBuf>,
) -> Result<()> {
    println!(
        "{} Resolving package '{}' for download...",
        "::".bold().blue(),
        package_source.cyan()
    );

    let (graph, _) = resolve_dependency_graph(
        std::slice::from_ref(&package_source),
        None,
        false,
        true,
        false,
        None,
        true,
        None,
    )?;

    if graph.nodes.is_empty() {
        return Err(anyhow!("Could not resolve package '{}'", package_source));
    }

    // Find the direct package node
    let node = graph
        .nodes
        .values()
        .find(|n| matches!(n.reason, zoi_core::types::InstallReason::Direct))
        .ok_or_else(|| anyhow!("Could not find target package in resolution graph"))?;

    println!(
        "{} Resolved to {} v{}",
        "::".bold().green(),
        node.pkg.name.cyan(),
        node.version.yellow()
    );

    let info = if download_type == DownloadType::Source {
        util::find_source_bundle_info(node)?.ok_or_else(|| {
            anyhow!("No source bundle (.zsa) information found for this package in the registry.")
        })?
    } else {
        util::find_prebuilt_info(node)?.ok_or_else(|| {
            anyhow!(
                "No pre-built archive (.zpa) information found for this package in the registry."
            )
        })?
    };

    let filename = info
        .final_url
        .split('/')
        .next_back()
        .unwrap_or("package.archive");

    let dest_path = if let Some(dir) = output_dir {
        std::fs::create_dir_all(&dir)?;
        dir.join(filename)
    } else {
        let cache_root = cache::get_archive_cache_root()?;
        std::fs::create_dir_all(&cache_root)?;
        cache_root.join(filename)
    };

    println!(
        "{} Downloading to: {}",
        "::".bold().blue(),
        dest_path.display()
    );

    let (down_size, _) = util::get_package_sizes(&node.pkg, &node.registry_handle, &node.version);

    util::download_file_with_progress(&info.final_url, &dest_path, None, Some(down_size))?;

    println!(
        "{} Successfully downloaded: {}",
        "::".bold().green(),
        dest_path.display()
    );

    Ok(())
}