third_party/libvpx_new/update_libvpx.sh

   1 #!/bin/bash -e
   2 #
   3 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 # This tool is used to update libvpx source code with the latest git
   8 # repository.
   9 #
  10 # Make sure you run this in a git checkout of deps/third_party/libvpx!
  11
  12 # Usage:
  13 #
  14 # $ ./update_libvpx.sh [branch | revision | file or url containing a revision]
  15 # When specifying a branch it may be necessary to prefix with origin/
  16
  17 # Tools required for running this tool:
  18 #
  19 # 1. Linux / Mac
  20 # 2. git
  21
  22 export LC_ALL=C
  23
  24 # Location for the remote git repository.
  25 GIT_REPO="https://chromium.googlesource.com/webm/libvpx"
  26
  27 GIT_BRANCH="origin/master"
  28 LIBVPX_SRC_DIR="source/libvpx"
  29 BASE_DIR=`pwd`
  30
  31 if [ -n "$1" ]; then
  32   GIT_BRANCH="$1"
  33   if [ -f "$1"  ]; then
  34     GIT_BRANCH=$(<"$1")
  35   elif [[ $1 = http* ]]; then
  36     GIT_BRANCH=`curl $1`
  37   fi
  38 fi
  39
  40 prev_hash="$(egrep "^Commit: [[:alnum:]]" README.chromium | awk '{ print $2 }')"
  41 echo "prev_hash:$prev_hash"
  42
  43 rm -rf $LIBVPX_SRC_DIR
  44 mkdir $LIBVPX_SRC_DIR
  45 cd $LIBVPX_SRC_DIR
  46
  47 # Start a local git repo.
  48 git clone $GIT_REPO .
  49
  50 # Switch the content to the latest git repo.
  51 git checkout -b tot $GIT_BRANCH
  52
  53 add="$(git diff-index --diff-filter=A $prev_hash | grep -v vp10/ | \
  54 tr -s [:blank:] ' ' | cut -f6 -d\ )"
  55 delete="$(git diff-index --diff-filter=D $prev_hash | grep -v vp10/ | \
  56 tr -s [:blank:] ' ' | cut -f6 -d\ )"
  57
  58 # Get the current commit hash.
  59 hash=$(git log -1 --format="%H")
  60
  61 # README reminder.
  62 echo "Update README.chromium:"
  63 echo "==============="
  64 echo "Date: $(date +"%A %B %d %Y")"
  65 echo "Branch: master"
  66 echo "Commit: $hash"
  67 echo "==============="
  68 echo ""
  69
  70 # Commit message header.
  71 echo "Commit message:"
  72 echo "==============="
  73 echo "libvpx: Pull from upstream"
  74 echo ""
  75
  76 # Output the current commit hash.
  77 echo "Current HEAD: $hash"
  78 echo ""
  79
  80 # Output log for upstream from current hash.
  81 if [ -n "$prev_hash" ]; then
  82   echo "git log from upstream:"
  83   pretty_git_log="$(git log \
  84                     --no-merges \
  85                     --topo-order \
  86                     --pretty="%h %s" \
  87                     --max-count=20 \
  88                     $prev_hash..$hash)"
  89   if [ -z "$pretty_git_log" ]; then
  90     echo "No log found. Checking for reverts."
  91     pretty_git_log="$(git log \
  92                       --no-merges \
  93                       --topo-order \
  94                       --pretty="%h %s" \
  95                       --max-count=20 \
  96                       $hash..$prev_hash)"
  97   fi
  98   echo "$pretty_git_log"
  99   # If it makes it to 20 then it's probably skipping even more.
 100   if [ `echo "$pretty_git_log" | wc -l` -eq 20 ]; then
 101     echo "<...>"
 102   fi
 103 fi
 104
 105 # Commit message footer.
 106 echo ""
 107 echo "TBR=tomfinegan@chromium.org"
 108 echo "==============="
 109
 110 # Git is useless now, remove the local git repo.
 111 # Remove vp10 to cut down on code churn since it is not currently built.
 112 rm -rf .git vp10
 113
 114 # Add and remove files.
 115 echo "$add" | xargs -I {} git add {}
 116 echo "$delete" | xargs -I {} git rm --ignore-unmatch {}
 117
 118 # Find empty directories and remove them.
 119 find . -type d -empty -exec git rm {} \;
 120
 121 # Mark the scripts as executable so presubmit doesn't complain. The important
 122 # ones already have the x bit set but some of the files they include do not.
 123 chmod 755 build/make/*.sh build/make/*.pl configure
 124
 125 # The build system doesn't support files with the same name. Search vp8, vp9 and vpx_dsp
 126 # for such files.
 127 duplicate_files=$(find vp8 vp9 vpx_dsp -type f | xargs basename | sort | uniq -d | \
 128   egrep -v '(^exports_(dec|enc)|\.h)$' | \
 129   xargs -I {} find vp8 vp9 vpx_dsp -name {})
 130
 131 if [ -n "$duplicate_files" ]; then
 132   echo "WARNING: DUPLICATE FILES FOUND"
 133   echo "It would be a good idea to resolve these before attempting to roll"
 134   echo $duplicate_files
 135 fi
 136
 137 cd $BASE_DIR