From f5ede513eb458ff8fe43bf08dd0a54f3d3f036f9 Mon Sep 17 00:00:00 2001
From: Bill Mill <bill@billmill.org>
Date: Tue, 7 Mar 2017 22:55:43 -0500
Subject: [PATCH] update the README to add a pre-commit hook (#944)

* update the README to add a pre-commit hook

* remove comments

* better wording

* better quoting

* consistent prettier binary

* move the tr and fix the quoting

* fix quotes one last time
---
 README.md | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/README.md b/README.md
index 58cf66076..c50d20321 100644
--- a/README.md
+++ b/README.md
@@ -156,6 +156,23 @@ and add this config to your `package.json`:
 
 See https://github.com/okonet/lint-staged#configuration for more details about how you can configure 🚫💩 lint-staged.
 
+Alternately you can just save this script as `.git/hooks/pre-commit` and give it execute permission:
+
+```bash
+#!/bin/sh
+jsfiles=$(git diff --cached --name-only --diff-filter=ACM | grep '\.js$' | tr '\n' ' ')
+[ -z "$jsfiles" ] && exit 0
+
+diffs=$(node_modules/.bin/prettier -l $jsfiles)
+[ -z "$diffs" ] && exit 0
+
+echo "here"
+echo >&2 "Javascript files must be formatted with prettier. Please run:"
+echo >&2 "node_modules/.bin/prettier --write "$diffs""
+
+exit 1
+```
+
 ### API
 
 The API is a single function exported as `format`. The options