✨ Feat: fail on non git

Author: JPeer264

lib/cli.js

@@ -2,13 +2,15 @@
 import chalk from 'chalk';
 import execa from 'execa';
 import yargs from 'yargs';
+import git from 'git-utils';
 import inquirer from 'inquirer';
 import updateNotifier from 'update-notifier';
 
 import pkg from '../package.json';
 import getConfig from './getConfig';
 import { choices, questions } from './promptConfig';
 
+const repository = git.open(process.cwd());
 const configuration = getConfig();
 const choicesList = choices(configuration);
 const questionsList = questions(choicesList);
@@ -24,6 +26,8 @@ updateNotifier({ pkg }).notify();
 
 if (argv.v) {
   console.log(`v${pkg.version}`);
+} else if (!repository) {
+  console.error('fatal: Not a git repository (or any of the parent directories): .git');
 } else {
   inquirer.prompt(questionsList).then((answers) => {
     const message = answers.moreInfo ? `${answers.editor}` : `${answers.type} ${answers.description}`;

test/cli.js

@@ -0,0 +1,26 @@
+import path from 'path';
+import test from 'ava';
+import execa from 'execa';
+import { homedir } from 'os';
+
+import pkg from '../package.json';
+
+const cli = 'dest/cli.js';
+
+test('should print the right version', async (t) => {
+  const { stdout } = await execa(cli, ['--version']);
+
+  t.is(stdout, `v${pkg.version}`);
+});
+
+test('should fail on non git repository', async (t) => {
+  // assume that the homedir is not a git repo
+  process.chdir(homedir());
+
+  const { stderr } = await execa(path.join(__dirname, '..', cli));
+
+  process.chdir(path.join(__dirname, '..'));
+
+  t.is(stderr, 'fatal: Not a git repository (or any of the parent directories): .git');
+});
+