Backport latest zotonic commit to the most recent release branch

z-backport

#!/bin/bash

if [ "`hg branch`" != "default" ]; then
    echo "You need to be on the default branch."
    exit
fi

REV="`hg parents |grep changeset|awk -F: '{print $2}'`"
REV=`echo $REV` # trim whitespace
TARGET=$1
if [ "$TARGET" = "" ]; then
    # take most recent branch
    TARGET=`hg branches|grep release|head -n 1|awk  '{print $1}'`
fi

echo "Backporting revision $REV to $TARGET"
hg export $REV > /tmp/$REV.patch
hg update $TARGET
hg import /tmp/$REV.patch
hg update default