From 5eb8bcf43b64591fc6c2920bfae7cb7d1b8829c0 Mon Sep 17 00:00:00 2001
From: escapedcat <github@htmlcss.de>
Date: Fri, 5 Oct 2018 16:11:17 +0200
Subject: [PATCH 1/3] feat(prompt-cli): check stage before prompt #51

---
 @commitlint/prompt-cli/cli.js | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/@commitlint/prompt-cli/cli.js b/@commitlint/prompt-cli/cli.js
index 3cbcef009b..15b5c66dc2 100755
--- a/@commitlint/prompt-cli/cli.js
+++ b/@commitlint/prompt-cli/cli.js
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 const execa = require('execa');
 const meow = require('meow');
-const prompter = require('@commitlint/prompt').prompter;
+const {prompter} = require('@commitlint/prompt');
 
 const HELP = `
 	Usage
@@ -17,10 +17,22 @@ main(meow(HELP)).catch(err => {
 	});
 });
 
-function main() {
+async function main() {
+	if (await isStageEmpty()) {
+		console.log(
+			`Nothing to commit. Stage your changes via "git add" execute "commit" again`
+		);
+		process.exit(1);
+	}
+
 	return prompt();
 }
 
+async function isStageEmpty() {
+	const result = await execa('git', ['diff', '--cached']);
+	return result.stdout === '';
+}
+
 function commit(message) {
 	const c = execa('git', ['commit', '-m', message]);
 	c.stdout.pipe(process.stdout);

From 72fb3e491c4bda83ea3a1622081ae2ad47246691 Mon Sep 17 00:00:00 2001
From: escapedcat <github@htmlcss.de>
Date: Thu, 8 Nov 2018 16:31:20 +0100
Subject: [PATCH 2/3] feat(prompt-cli): add test #51

---
 @commitlint/prompt-cli/cli.test.js  | 25 +++++++++++++++++++++++++
 @commitlint/prompt-cli/package.json |  8 ++++++--
 2 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 @commitlint/prompt-cli/cli.test.js

diff --git a/@commitlint/prompt-cli/cli.test.js b/@commitlint/prompt-cli/cli.test.js
new file mode 100644
index 0000000000..34c27b3e4e
--- /dev/null
+++ b/@commitlint/prompt-cli/cli.test.js
@@ -0,0 +1,25 @@
+import path from 'path';
+import {git} from '@commitlint/test';
+import test from 'ava';
+import execa from 'execa';
+import stream from 'string-to-stream';
+
+const bin = path.join(__dirname, './cli.js');
+
+const cli = (args, options) => {
+	return (input = '') => {
+		const c = execa(bin, args, {
+			capture: ['stdout'],
+			cwd: options.cwd,
+			env: options.env
+		});
+		stream(input).pipe(c.stdin);
+		return c.catch(err => err);
+	};
+};
+
+test('should print warning if stage is empty', async t => {
+	const cwd = await git.bootstrap();
+	const actual = await cli([], {cwd})('foo: bar');
+	t.true(actual.stdout.includes('Nothing to commit.'));
+});
diff --git a/@commitlint/prompt-cli/package.json b/@commitlint/prompt-cli/package.json
index ac5fe5fd12..272d3ff6cc 100644
--- a/@commitlint/prompt-cli/package.json
+++ b/@commitlint/prompt-cli/package.json
@@ -13,7 +13,8 @@
     "commit": "$npm_package_bin_commit",
     "deps": "dep-check",
     "pkg": "pkg-check --skip-main",
-    "lint": "xo"
+    "lint": "xo",
+    "test": "ava -c 4 --verbose"
   },
   "xo": false,
   "repository": {
@@ -36,7 +37,10 @@
   },
   "dependencies": {
     "@commitlint/prompt": "^7.2.0",
+    "@commitlint/test": "^7.1.2",
+    "ava": "^0.25.0",
     "execa": "0.9.0",
-    "meow": "3.7.0"
+    "meow": "3.7.0",
+    "string-to-stream": "^1.1.1"
   }
 }

From ccc157069d7bd18e57b8186cb4139d5910d53e1a Mon Sep 17 00:00:00 2001
From: escapedcat <github@htmlcss.de>
Date: Sun, 18 Nov 2018 14:32:15 +0100
Subject: [PATCH 3/3] chore: linting

---
 .../cli/fixtures/custom-formatter/formatters/custom.js        | 4 ++--
 .../load/fixtures/formatter-local-module/formatters/custom.js | 4 ++--
 @commitlint/load/src/index.js                                 | 3 ++-
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/@commitlint/cli/fixtures/custom-formatter/formatters/custom.js b/@commitlint/cli/fixtures/custom-formatter/formatters/custom.js
index 96b56d55e4..8f56d1384f 100644
--- a/@commitlint/cli/fixtures/custom-formatter/formatters/custom.js
+++ b/@commitlint/cli/fixtures/custom-formatter/formatters/custom.js
@@ -1,3 +1,3 @@
-module.exports = function (report) {
+module.exports = function(_report) {
 	return 'custom-formatter-ok';
-}
+};
diff --git a/@commitlint/load/fixtures/formatter-local-module/formatters/custom.js b/@commitlint/load/fixtures/formatter-local-module/formatters/custom.js
index 7fb04a7d0c..0b5f961820 100644
--- a/@commitlint/load/fixtures/formatter-local-module/formatters/custom.js
+++ b/@commitlint/load/fixtures/formatter-local-module/formatters/custom.js
@@ -1,3 +1,3 @@
-module.exports = function (report) {
+module.exports = function(_report) {
 	return 'ok';
-}
+};
diff --git a/@commitlint/load/src/index.js b/@commitlint/load/src/index.js
index f7b900f9ca..2ef93829bc 100644
--- a/@commitlint/load/src/index.js
+++ b/@commitlint/load/src/index.js
@@ -54,7 +54,8 @@ export default async (seed = {}, options = {cwd: process.cwd()}) => {
 
 	// Resolve config-relative formatter module
 	if (typeof config.formatter === 'string') {
-		preset.formatter = resolveFrom.silent(base, config.formatter) || config.formatter;
+		preset.formatter =
+			resolveFrom.silent(base, config.formatter) || config.formatter;
 	}
 
 	// Execute rule config functions if needed