From ae79c7f10c946396ec7a8ba37d61ff6660c2045c Mon Sep 17 00:00:00 2001
From: Rich Trott <rtrott@gmail.com>
Date: Fri, 23 Jun 2017 20:27:51 -0700
Subject: [PATCH] tools: add script to update ESLint
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Provide a bash script for updating ESLint in the project.

PR-URL: https://github.com/nodejs/node/pull/13895
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
---
 tools/update-eslint.sh | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100755 tools/update-eslint.sh

diff --git a/tools/update-eslint.sh b/tools/update-eslint.sh
new file mode 100755
index 00000000000000..0c9d3758dca973
--- /dev/null
+++ b/tools/update-eslint.sh
@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+# Shell script to update ESLint in the source tree to the latest release.
+
+# Depends on npm and node being in $PATH.
+
+# This script must be be in the tools directory when it runs because it uses
+# $BASH_SOURCE[0] to determine directories to work in.
+
+cd "$( dirname "${BASH_SOURCE[0]}" )"
+rm -rf eslint
+mkdir eslint-tmp
+cd eslint-tmp
+
+npm install --global-style --no-binlinks --production eslint@latest
+cd node_modules/eslint
+
+# eslint-plugin-markdown is pinned at 1.0.0-beta.4 until there is a release
+# that fixes https://github.com/eslint/eslint-plugin-markdown/issues/69.
+npm install --no-bin-links --production eslint-plugin-markdown@1.0.0-beta.4
+cd ../..
+
+# Install dmn if it is not in path.
+type -P dmn || npm install -g dmn
+
+# Use dmn to remove some unneeded files.
+dmn -f clean
+
+cd ..
+mv eslint-tmp/node_modules/eslint eslint
+rm -rf eslint-tmp/