commit-and-tag-version/lib/lifecycles/commit.js

replacement for `npm version` with automatic CHANGELOG generation

const bump = require('../lifecycles/bump');
const checkpoint = require('../checkpoint');
const formatCommitMessage = require('../format-commit-message');
const path = require('path');
const runExecFile = require('../run-execFile');
const runLifecycleScript = require('../run-lifecycle-script');

module.exports = async function (args, newVersion) {
  if (args.skip.commit) return;
  const message = await runLifecycleScript(args, 'precommit');
  if (message && message.length) args.releaseCommitMessageFormat = message;
  await execCommit(args, newVersion);
  await runLifecycleScript(args, 'postcommit');
};

async function execCommit(args, newVersion) {
  let msg = 'committing %s';
  let paths = [];
  const verify = args.verify === false || args.n ? ['--no-verify'] : [];
  const sign = args.sign ? ['-S'] : [];
  const signoff = args.signoff ? ['--signoff'] : [];
  const toAdd = [];

  // only start with a pre-populated paths list when CHANGELOG processing is not skipped
  if (!args.skip.changelog) {
    paths = [args.infile];
    toAdd.push(args.infile);
  }

  // commit any of the config files that we've updated
  // the version # for.
  Object.keys(bump.getUpdatedConfigs()).forEach(function (p) {
    paths.unshift(p);
    toAdd.push(path.relative(process.cwd(), p));

    // account for multiple files in the output message
    if (paths.length > 1) {
      msg += ' and %s';
    }
  });

  if (args.commitAll) {
    msg += ' and %s';
    paths.push('all staged files');
  }

  checkpoint(args, msg, paths);

  // nothing to do, exit without commit anything
  if (
    !args.commitAll &&
    args.skip.changelog &&
    args.skip.bump &&
    toAdd.length === 0
  ) {
    return;
  }

  await runExecFile(args, 'git', ['add'].concat(toAdd));
  await runExecFile(
    args,
    'git',
    ['commit'].concat(verify, sign, signoff, args.commitAll ? [] : toAdd, [
      '-m',
      `${formatCommitMessage(args.releaseCommitMessageFormat, newVersion)}`,
    ]),
  );
}