old_contents: // ==========================================
  // BOWER: SAVE
  // ==========================================
  // Copyright 2012 Twitter, Inc
  // Licensed under The MIT License
  // http://opensource.org/licenses/MIT
  // ==========================================
  
  var path   = require('path');
  var fs     = require('fs');
  var semver = require('semver');
  var _      = require('lodash');
  
  var config = require('../core/config');
  
  function save(eventType, modifier, manager, paths) {
    // Tipically wait for the resolve event and also the load json event
    manager.on(eventType, manager.on('loadJSON', function () {
      // Find the original required packages in the command
      var pkgs = paths.map(function (curr) {
        curr = curr.split('#')[0];
  
        return _.find(Object.keys(this.dependencies), function (key) {
          var dep = this.dependencies[key][0];
          return dep.name === curr
            || (dep.url && dep.url === curr)
            || (dep.originalPath && dep.originalPath === curr);
        }.bind(this));
  
      }.bind(this));
  
      pkgs = _.compact(pkgs).map(function (name) {
        return this.dependencies[name][0];
      }.bind(this));
  
      pkgs.forEach(addDependency.bind(this));
  
      // Finally save the modified json
      fs.writeFileSync(path.join(this.cwd, config.json), JSON.stringify(this.json, null, 2));
  
    }).loadJSON.bind(manager));
  }
  
  function addDependency(pkg) {
    if (!this.json.dependencies) this.json.dependencies = {};
  
    var path;
    var tag;
  
    if (pkg.lookedUp) {
      tag = pkg.originalTag || '~' + pkg.version;
    } else {
      path = (pkg.gitUrl || pkg.assetUrl || pkg.originalPath || '');
      tag = pkg.originalTag || '~' + pkg.version;
    }
  
    // If the tag is not valid (e.g.: a commit), null it
    if (!semver.valid(tag) && !semver.validRange(tag)) tag = null;
  
    return this.json.dependencies[pkg.name] = path ? path + (tag ? '#' + tag : '') : tag || 'latest';
  }
  
  module.exports         = save.bind(this, 'resolve', addDependency);
new_contents: // ==========================================
  // BOWER: SAVE
  // ==========================================
  // Copyright 2012 Twitter, Inc
  // Licensed under The MIT License
  // http://opensource.org/licenses/MIT
  // ==========================================
  
  var path   = require('path');
  var fs     = require('fs');
  var semver = require('semver');
  var _      = require('lodash');
  
  var config = require('../core/config');
  
  function save(eventType, manager, paths) {
    // Tipically wait for the resolve event and also the load json event
    manager.on(eventType, manager.on('loadJSON', function () {
      // Find the original required packages in the command
      var pkgs = paths.map(function (curr) {
        curr = curr.split('#')[0];
  
        return _.find(Object.keys(this.dependencies), function (key) {
          var dep = this.dependencies[key][0];
          return dep.name === curr
            || (dep.url && dep.url === curr)
            || (dep.originalPath && dep.originalPath === curr);
        }.bind(this));
  
      }.bind(this));
  
      pkgs = _.compact(pkgs).map(function (name) {
        return this.dependencies[name][0];
      }.bind(this));
  
      pkgs.forEach(addDependency.bind(this));
  
      // Finally save the modified json
      fs.writeFileSync(path.join(this.cwd, config.json), JSON.stringify(this.json, null, 2));
  
    }).loadJSON.bind(manager));
  }
  
  function addDependency(pkg) {
    if (!this.json.dependencies) this.json.dependencies = {};
  
    var path;
    var tag;
  
    if (pkg.lookedUp) {
      tag = pkg.originalTag || '~' + pkg.version;
    } else {
      path = (pkg.gitUrl || pkg.assetUrl || pkg.originalPath || '');
      tag = pkg.originalTag || '~' + pkg.version;
    }
  
    // If the tag is not valid (e.g.: a commit), null it
    if (!semver.valid(tag) && !semver.validRange(tag)) tag = null;
  
    return this.json.dependencies[pkg.name] = path ? path + (tag ? '#' + tag : '') : tag || 'latest';
  }
  
  module.exports = save.bind(this, 'resolve');
subject: Remove unused code.