#! /bin/sh

# Assume this script never run via PATH.
#
self=`realpath $0`
. `dirname $self`/modules

wd=`pwd`

if [ "$1" = "" ]; then
  echo "branch name expected" 1>&2
  exit 1
fi

for i in $modules; do
  echo "checkout $i" 1>&2
  cd $i
  git checkout $*
  cd $wd
done