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 #!/bin/bash

 # This Source Code Form is subject to the terms of the Mozilla Public

 # License, v. 2.0. If a copy of the MPL was not distributed with this file,

 # You can obtain one at http://mozilla.org/MPL/2.0/.

 # First, get a new copy of the tree to play with

 # They both want to be named 'trunk'...

 mkdir webrtc_update

 cd webrtc_update

 # Note: must be in trunk; won't work with --name (error during sync)

 gclient config --name trunk http://webrtc.googlecode.com/svn/trunk/peerconnection

 gclient sync --force

 if [ $2 ] ; then

 if [ $3 ] ; then

     echo

 else

     sed -i -e "s/\"webrtc_revision\":.*,/\"webrtc_revision\": \"$1\",/" -e "s/\"libjingle_revision\":.*,/\"libjingle_revision\": \"$2\",/" trunk/DEPS

     gclient sync --force

 fi

 fi

 if [ $3 ] ; then

 echo "Updating from $3..."

 rm -rf trunk/third_party/webrtc

 mkdir trunk/src

 cp -a $3/webrtc/* trunk/src

 fi

 cd trunk

 export date=`date`

 export revision=`svnversion -n`

 if [ $1 ] ; then

   echo "WebRTC revision overridden from $revision to $1" 

   export revision=$1

 else

   echo "WebRTC revision = $revision"

 fi

 cd ../../media/webrtc

 # safety - make it easy to find our way out of the forest

 hg tag -f -l old-tip

 # Ok, now we have a copy of the source.  See what changed

 # (webrtc-import-last is a bookmark)

 # FIX! verify no changes in webrtc!

 hg update --clean webrtc-import-last

 rm -rf trunk

 mv ../../webrtc_update/trunk trunk

 mv -f ../../webrtc_update/.g* .

 rmdir ../../webrtc_update

 (hg addremove --exclude "**webrtcsessionobserver.h" --exclude "**webrtcjson.h" --exclude "**.svn" --exclude "**.git" --exclude "**.pyc" --exclude "**.yuv" --similarity 70 --dry-run trunk; hg status -m; echo "************* Please look at the filenames found by rename and see if they match!!! ***********" ) | less

 # FIX! Query user about add-removes better!!

 echo "Waiting 30 seconds - Hit ^C now to stop addremove and commit!"

 sleep 30  # let them ^C

 # Add/remove files, detect renames

 hg addremove --exclude "**webrtcsessionobserver.h" --exclude "**webrtcjson.h" --exclude "**.svn" --exclude "**.git" --exclude "**.pyc" --exclude "**.yuv" --similarity 70 trunk

 hg status -a -r >/tmp/changed_webrtc_files

 # leave this for the user for now until we're comfortable it works safely

 # Commit the vendor branch

 echo "Commit, merge and push to server - cut and paste"

 echo "You probably want to do these from another shell so you can look at these"

 hg commit -m "Webrtc import $revision"

 # webrtc-import-last is auto-updated (bookmark)

 #echo ""

 #hg update --clean webrtc-pending

 #hg merge -r webrtc-import-last

 #hg commit -m "merge latest import to pending, $revision"

 # webrtc-pending is auto-updated (bookmark)

 echo ""

 echo "hg update --clean webrtc-trim"

 echo "hg merge -r webrtc-import-last"

 echo "hg commit -m 'merge latest import to trim, $revision'"

 # webrtc-trim is auto-updated (bookmark)

 # commands to pull - never do more than echo them for the user

 echo ""

 echo "Here's how to pull this update into the mozilla repo:"

 echo "cd your_tree"

 echo "hg qpop -a"

 echo "hg pull --bookmark webrtc-trim path-to-webrtc-import-repo"

 echo "hg merge"

 echo "echo '#define WEBRTC_SVNVERSION $revision' >media/webrtc/webrtc_version.h"

 echo "echo '#define WEBRTC_PULL_DATE \"$date\"' >>media/webrtc/webrtc_version.h"

 echo "hg commit -m 'Webrtc updated to $revision; pull made on $date'"

 echo ""

 echo "Please check for added/removed/moved .gyp/.gypi files, and if so update EXTRA_CONFIG_DEPS in client.mk!"

 echo "possible gyp* file changes:"

 grep gyp /tmp/changed_webrtc_files

 echo ""

 echo "Once you feel safe:"

 echo "hg push"