shipitjs/lib/steps/CheckChangeLog.js

npm package release management tool

var spawn = require('child_process').spawn;
var fs = require('fs');
var path = require('path');
var async = require('async');
var semver = require('semver');
var _ = require('underscore')._;
var exists = fs.exists ? fs.exists.bind(fs) : path.exists.bind(path);

exports.getExecutor = function(state, conf) {
  var boolPrompt = require('../util').getBoolPrompt(state);
  var checkChangeLog = function(file, ver, cb) {
    try {
      fs.readFile(file, 'utf8', function(err, data) {
        if (err)
          return cb(err);
        var verTmp = ver.replace(/\./g, '\\.');
        var pattern = new RegExp(verTmp);
        if (data.match(pattern)) {
          return cb(null, true);
        } else {
          console.warn('Version "' + ver + '" not mentioned in ' + file);
          return cb(null, false);
        }
      });
    } catch(e) {
      return cb(e);
    }
  };
  var editFile = function(file, cb) {
    var editor = process.env.EDITOR || 'vim';
    var opts = {
      cwd : process.cwd(),
      customFds : [0, 1, 2]
    };
    if (semver.gte(semver.clean(process.version), '0.7.10')) {
      opts.stdio = 'inherit';
      delete opts['customFds'];
    }
    var child = spawn(editor, [file], opts);
    process.stdin.pause();
    child.on('exit', function() {
      process.stdin.resume();
      cb();
    });
  };
  return function(cb) {
    conf = conf || {};
    var files = conf.files || [];
    var ver = state.getVersion();
    var tasks = [];
    var superCb = cb;
    _.each(files, function(file) {
      tasks.push(function(cb) {
        exists(file, function(exists) {
          if (!exists) {
            return superCb(new Error('Changelog not found: ' + file));
          }
          state.addChangeLogFile(file);
          checkChangeLog(file, ver, function(err, isExists) {
            if (err)
              return superCb(err);
            if (!isExists) {
              boolPrompt('Edit file? ', 'y', function(ans) {
                if (!ans) {
                  return superCb(new Error("Aborting."));
                }
                editFile(file, function() {
                  checkChangeLog(file, ver, function(err, isExists) {
                    if (err)
                      return superCb(err);
                    if (!isExists)
                      return superCb(new Error("Aborting."));
                    cb(null);
                  });
                });
              });
            } else {
              cb(null);
            }
          });
        });
      });
    });
    tasks.push(function() {
      superCb(null);
    });
    async.waterfall(tasks);
  };
};