old_contents: 'use strict';
  const fs = require('fs-extra');
  const git = require('nodegit');
  const path = require('path');
  
  //  TODO: work out how to do this using the yield keyword in strict mode
  const createBranchPromises = (npmPackages, repo, commit) => {
      const promises = [];
  
      npmPackages.map(npmPackage => {
          promises.push(git.Branch.create(repo, npmPackage.projectName, commit, 0).then(ref => {
              console.log(`Created '${npmPackage.projectName}'.`);
          }));
      });
  
      return promises;
  };
  
  const createBranches = (npmPackages, repo) => {
      return new Promise((resolve, reject) => {
          let commit = undefined;
  
          repo.getHeadCommit().then(c => {
              commit = c;
          }).then(() => {
              Promise.all(createBranchPromises(npmPackages, repo, commit)).then(resolve());
          }).catch(error => {
              console.log('Error while trying to create branches for npm projects.');
              reject(error.message);
          })
      });
  };
  
  module.exports = createBranches;
  
new_contents: 'use strict';
  const fs = require('fs-extra');
  const git = require('nodegit');
  const path = require('path');
  
  const createBranchPromises = (npmPackages, repo, commit) => {
      const promises = [];
  
      npmPackages.map(npmPackage => {
          promises.push(git.Branch.create(repo, npmPackage.projectName, commit, 0).then(ref => {
              console.log(`Created '${npmPackage.projectName}'.`);
          }));
      });
  
      return promises;
  };
  
  const createBranches = (npmPackages, repo) => {
      return new Promise((resolve, reject) => {
          let commit = undefined;
  
          repo.getHeadCommit().then(c => {
              commit = c;
          }).then(() => {
              Promise.all(createBranchPromises(npmPackages, repo, commit)).then(resolve());
          }).catch(error => {
              console.log('Error while trying to create branches for npm projects.');
              reject(error.message);
          })
      });
  };
  
  module.exports = createBranches;
  
subject: Remove unrequired todo.