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#!/usr/bin/env node
//
// Copyright (C) 2014  Codethink Limited
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

YAML = require('yamljs');
npm = require("npm");

base = require("./importer_base");

npm.load(function(er, npm) {
  var packageName;
  var packageVersion;
  var packageFullName;

  if (process.argv.length === 4) {
    packageName = process.argv[3];
    packageFullName = packageName;
  } else if (process.argv.length === 5) {
    packageName = process.argv[3];
    packageVersion = process.argv[4];
    packageFullName = packageName + '@' + packageVersion;
  } else
    throw("Error! Wrong number of command line arguments! Usage: " +
            "./npm.to_chunk SOURCE_DIR NAME VERSION");

  if (er) throw er;

  npm.commands.view([packageFullName], "silent", getDescription);

  function getDescription(er, packageInfo) {

    if (er) throw er;

    package = base.getFirstItem(packageInfo);
    description = package.description;

    description = description + " (morphology generated by baserock import tool)";
    products = [];
    configureCommands = [];
    buildCommands = [];
    installCommands = ['mkdir -p "$DESTDIR"/"$PREFIX"/lib/node_modules/' + packageName,
                      'cp -a * "$DESTDIR"/"$PREFIX"/lib/node_modules/'+ packageName,
                      'npm config set prefix "$DESTDIR"/"$PREFIX"',
                      'npm config set unsafe-perm true',
                      'cd "$DESTDIR"/"$PREFIX" && npm build --global --verbose "$DESTDIR"/"$PREFIX"/lib/node_modules/'+ packageName];

    morphology = {
      'name' : packageFullName,
      'kind' : 'chunk',
      'description' : description,
      'build-system' : 'manual',
      'install-commands' : installCommands,
    };

    yamlString = YAML.stringify(morphology, 4);
    console.log(yamlString);
  };
});