Update git-svn repository and externals

git_svn_update_all.sh

#!/bin/sh

root=`git rev-parse --show-toplevel`
echo "Moving to root: $root"
cd $root

echo "Rebasing current directory"
git svn rebase

echo "Looking for externals"
external=`git svn propget svn:externals`
if [ -z "$external" ]; then
    echo "No external found."
    exit 0
fi
dir=`echo $external | cut -d " " -f 1`
rev=`echo $external | cut -d " " -f 3`
url=`echo $external | cut -d " " -f 4`

echo "Found external repository:"
echo "Url: $url"
echo "Rev: $rev"
echo "Dir: $dir"

echo "Rebasing $dir"
cd $dir
git svn rebase

echo "Checking out right commit/revision"
commit=`git svn find-rev r$rev`
echo "Commit: $commit"
git checkout $commit

echo "Done."