use cargo::core::Workspace;
use cargo::ops::{output_metadata, OutputMetadataOptions, ExportInfo};
use cargo::util::important_paths::find_root_manifest_for_wd;
use cargo::util::{CliResult, Config};
#[derive(RustcDecodable)]
pub struct Options {
flag_color: Option<String>,
flag_features: Vec<String>,
flag_all_features: bool,
flag_format_version: u32,
flag_manifest_path: Option<String>,
flag_no_default_features: bool,
flag_no_deps: bool,
flag_quiet: Option<bool>,
flag_verbose: u32,
flag_frozen: bool,
flag_locked: bool,
}
pub const USAGE: &'static str = "
Output the resolved dependencies of a project, the concrete used versions
including overrides, in machine-readable format.
Usage:
cargo metadata [options]
Options:
-h, --help Print this message
--features FEATURES Space-separated list of features
--all-features Build all available features
--no-default-features Do not include the `default` feature
--no-deps Output information only about the root package
and don't fetch dependencies.
--manifest-path PATH Path to the manifest
--format-version VERSION Format version [default: 1]
Valid values: 1
-v, --verbose ... Use verbose output
-q, --quiet No output printed to stdout
--color WHEN Coloring: auto, always, never
--frozen Require Cargo.lock and cache are up to date
--locked Require Cargo.lock is up to date
";
pub fn execute(options: Options, config: &Config) -> CliResult<Option<ExportInfo>> {
try!(config.configure(options.flag_verbose,
options.flag_quiet,
&options.flag_color,
options.flag_frozen,
options.flag_locked));
let manifest = try!(find_root_manifest_for_wd(options.flag_manifest_path, config.cwd()));
let options = OutputMetadataOptions {
features: options.flag_features,
all_features: options.flag_all_features,
no_default_features: options.flag_no_default_features,
no_deps: options.flag_no_deps,
version: options.flag_format_version,
};
let ws = try!(Workspace::new(&manifest, config));
let result = try!(output_metadata(&ws, &options));
Ok(Some(result))
}