tools/git/post-checkout

   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
   6 script=$(readlink $0)
   7 source $(dirname ${script:-$0})/git-utils.sh
   8
   9 old_ref=$1  # Previous HEAD.
  10 new_ref=$2  # Current HEAD.
  11 branch_switch=$3  # Whether we switched branches.
  12
  13 if [ $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
  17 else
  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
  21 fi
  22