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#!/bin/bash -e
#
# Copyright (c) 2012 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.
# This tool is used to update libvpx source code to a revision of the upstream
# repository. Modified from Chromium src/third_party/libvpx/update_libvpx.sh
# Usage:
#
# $ ./update_libvpx.sh [branch | revision | file or url containing a revision]
# When specifying a branch it must be prefixed with origin/
# Tools required for running this tool:
#
# 1. Linux / Mac
# 2. git
export LC_ALL=C
# Location for the remote git repository.
GIT_REPO="https://chromium.googlesource.com/webm/libvpx"
# Update to TOT by default.
GIT_BRANCH="origin/master"
# Relative path of target checkout.
LIBVPX_SRC_DIR="libvpx"
BASE_DIR=`pwd`
if [ -n "$1" ]; then
GIT_BRANCH="$1"
if [ -f "$1" ]; then
GIT_BRANCH=$(<"$1")
elif [[ $1 = http* ]]; then
GIT_BRANCH=`curl $1`
fi
fi
prev_hash="$(egrep "^Commit: [[:alnum:]]" README.android | awk '{ print $2 }')"
echo "prev_hash:$prev_hash"
rm -rf $LIBVPX_SRC_DIR
mkdir $LIBVPX_SRC_DIR
cd $LIBVPX_SRC_DIR
# Start a local git repo.
git clone $GIT_REPO .
# Switch the content to the desired revision.
git checkout -b tot $GIT_BRANCH
add="$(git diff-index --diff-filter=A $prev_hash | \
tr -s [:blank:] ' ' | cut -f6 -d\ )"
delete="$(git diff-index --diff-filter=D $prev_hash | \
tr -s [:blank:] ' ' | cut -f6 -d\ )"
# Get the current commit hash.
hash=$(git log -1 --format="%H")
# README reminder.
echo "Update README.android:"
echo "==============="
echo "Date: $(date +"%A %B %d %Y")"
echo "Branch: $GIT_BRANCH"
echo "Commit: $hash"
echo "==============="
echo ""
# Commit message header.
echo "Commit message:"
echo "==============="
echo "libvpx: Pull from upstream"
echo ""
# Output the current commit hash.
echo "Current HEAD: $hash"
echo ""
# Output log for upstream from current hash.
if [ -n "$prev_hash" ]; then
echo "git log from upstream:"
pretty_git_log="$(git log \
--no-merges \
--topo-order \
--pretty="%h %s" \
--max-count=20 \
$prev_hash..$hash)"
if [ -z "$pretty_git_log" ]; then
echo "No log found. Checking for reverts."
pretty_git_log="$(git log \
--no-merges \
--topo-order \
--pretty="%h %s" \
--max-count=20 \
$hash..$prev_hash)"
fi
echo "$pretty_git_log"
# If it makes it to 20 then it's probably skipping even more.
if [ `echo "$pretty_git_log" | wc -l` -eq 20 ]; then
echo "<...>"
fi
fi
# Commit message footer.
echo ""
echo "==============="
# Git is useless now, remove the local git repo.
rm -rf .git .gitignore .gitattributes
# Add and remove files.
echo "$add" | xargs -I {} git add {}
echo "$delete" | xargs -I {} git rm {}
# Find empty directories and remove them.
find . -type d -empty -exec git rm {} \;
chmod 755 build/make/*.sh build/make/*.pl configure
cd $BASE_DIR
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