From 25fec05ab41521299311142ca0af64469f84fde1 Mon Sep 17 00:00:00 2001
From: Ben Alpert <balpert@fb.com>
Date: Tue, 1 Sep 2015 14:29:52 -0700
Subject: [PATCH] Add linting pre-commit hook

Anyone who wants it will have to do

```
ln -s scripts/git/pre-commit .git/hooks/pre-commit
```

or similar.
---
 scripts/git/pre-commit | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 scripts/git/pre-commit

diff --git a/scripts/git/pre-commit b/scripts/git/pre-commit
new file mode 100755
index 0000000000..70118a96a7
--- /dev/null
+++ b/scripts/git/pre-commit
@@ -0,0 +1,18 @@
+#!/bin/sh
+#
+# To enable this hook, symlink or copy this file to .git/hooks/pre-commit.
+
+if git rev-parse --verify HEAD >/dev/null 2>&1
+then
+	against=HEAD
+else
+	# Initial commit: diff against an empty tree object
+	against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+fi
+
+# Redirect output to stderr.
+exec 1>&2
+
+git diff --cached --name-only --diff-filter=ACMRTUB | \
+  grep '\.js$' | \
+  xargs ./node_modules/.bin/eslint --