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use std::path::Path;
use core::registry::PackageRegistry;
use core::{Package, PackageId, Resolve, PackageSet};
use ops;
use util::{CargoResult, Config};
pub fn fetch<'a>(manifest_path: &Path,
config: &'a Config)
-> CargoResult<(Resolve, PackageSet<'a>)> {
let package = try!(Package::for_path(manifest_path, config));
let mut registry = PackageRegistry::new(config);
let resolve = try!(ops::resolve_pkg(&mut registry, &package, config));
let packages = get_resolved_packages(&resolve, registry);
for id in resolve.iter() {
try!(packages.get(id));
}
Ok((resolve, packages))
}
pub fn get_resolved_packages<'a>(resolve: &Resolve,
registry: PackageRegistry<'a>)
-> PackageSet<'a> {
let ids: Vec<PackageId> = resolve.iter().cloned().collect();
registry.get(&ids)
}