post-checkout revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1#!/bin/bash
2# Copyright (c) 2010 The Chromium Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6script=$(readlink $0)
7source $(dirname ${script:-$0})/git-utils.sh
8
9old_ref=$1  # Previous HEAD.
10new_ref=$2  # Current HEAD.
11branch_switch=$3  # Whether we switched branches.
12
13if [ $old_ref == $new_ref ]; then
14    if ! git diff-index --quiet HEAD $(git rev-parse --show-cdup)DEPS; then
15        warn "DEPS has local modifications; do you need to re-run gclient sync?"
16    fi
17else
18    if git diff-tree $old_ref $new_ref | grep -qs $'\tDEPS$'; then
19        warn "DEPS has changed; you probably need to re-run gclient sync."
20    fi
21fi
22
23