git-cz.js

import fs from 'fs';
import path from 'path';
import sh from 'shelljs';
import inquirer from 'inquirer';
import findRoot from 'find-root';
import {getParsedPackageJsonFromPath} from '../../common/util';
import {gitCz as gitCzParser, commitizen as commitizenParser} from '../parsers';
import {commit, staging, adapter} from '../../commitizen';
import {addPath} from '../../git';
import * as gitStrategy from './git';

// destructure for shorter apis
let { parse } = gitCzParser;

let { getPrompter, resolveAdapterPath } = adapter;
let { isClean } = staging;

export default gitCz;

function gitCz (rawGitArgs, environment, adapterConfig) {

  // See if any override conditions exist.
  
  // In these very specific scenarios we may want to use a different
  // commit strategy than git-cz. For example, in the case of --amend
  let parsedCommitizenArgs = commitizenParser.parse(rawGitArgs);
  
  if (parsedCommitizenArgs.a) {
    // console.log('override -a in place');
    addPath(sh, process.cwd());
  }
  
  if (parsedCommitizenArgs.amend) {
    // console.log('override --amend in place');
    gitStrategy.default(rawGitArgs, environment);
    return;
  }
  
  // Now, if we've made it past overrides, proceed with the git-cz strategy
  let parsedGitCzArgs = parse(rawGitArgs);
  
  // Determine if we need to process this commit as a retry instead of a
  // normal commit.
  let retryLastCommit = rawGitArgs && rawGitArgs[0] === '--retry';
  
  let resolvedAdapterConfigPath = resolveAdapterPath(adapterConfig.path);
  let resolvedAdapterRootPath = findRoot(resolvedAdapterConfigPath);
  let prompter = getPrompter(adapterConfig.path);

  isClean(process.cwd(), function (error, stagingIsClean) {
    if (error) {
      throw error;
    }

    if (stagingIsClean) {
      throw new Error('No files added to staging! Did you forget to run git add?');
    }

    // OH GOD IM SORRY FOR THIS SECTION
    let adapterPackageJson = getParsedPackageJsonFromPath(resolvedAdapterRootPath);
    let cliPackageJson = getParsedPackageJsonFromPath(environment.cliPath);
    console.log(`cz-cli@${cliPackageJson.version}, ${adapterPackageJson.name}@${adapterPackageJson.version}\n`);
    commit(inquirer, process.cwd(), prompter, {
      args: parsedGitCzArgs,
      disableAppendPaths: true,
      emitData: true,
      quiet: false,
      retryLastCommit
    }).catch(function (error) {
      //
      // Throw in next tick to use Node.js built in error handling
      //
      // FIXME: This should probably be refactored so that this
      //        function returns a rejected promise instead...
      //
      process.nextTick(function () { throw error; });
    });
  });

}