non_std 0.1.4

Collection of general purpose tools for solving problems. Fundamentally extend the language without spoiling, so may be used solely or in conjunction with another module of such kind.
Documentation 
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use crate::*;
use std::env;
use wtools::error::BasicError;

///
/// List packages.
///

pub fn list( instruction : &instruction::Instruction ) -> Result< (), BasicError >
{
  let current_path = env::current_dir().unwrap();

  let paths = files::find( current_path, instruction.subject.split( " " ).collect::<Vec<&str>>().as_slice() );
  let paths = paths.iter().filter_map( | s | if s.ends_with( "Cargo.toml" ) { Some( s ) } else { None } );

  for path in paths
  {
    let manifest = manifest_get( path );
    if manifest.package_is()
    {
      let local_is = manifest.local_is();
      let remote = if local_is { "local" } else { "remote" };
      let data = manifest.manifest_data.as_ref().unwrap();
      println!( "{} - {:?}, {}", data[ "package" ][ "name" ].to_string().trim(), path.parent().unwrap(), remote );
    }
  }

  Ok( () )
}

//

fn manifest_get( path : &std::path::Path ) -> manifest::Manifest
{
  let mut manifest = manifest::Manifest::new();
  manifest.manifest_path_from_str( path ).unwrap();
  manifest.load().unwrap();
  manifest
}