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