update

#!/bin/bash
set -e

submodule_warning='Uncommitted submodules changes will be clobbered'
unversioned_change_warning='Unversioned changes will be clobbered'

function has_upstream() {
  git rev-parse @{u} > /dev/null 2>&1
}

if [ "$1" == "--help" ]; then
  echo "USAGE: $0"
  echo "    This command takes no arguments."
  echo ""
  echo "This script does a git submodule update on all submodules"
  echo ""
  echo "NOTE: $submodule_warning"
  exit 0
fi

echo ""
echo "===> $submodule_warning <==="
echo ""

echo ""
echo "===> $unversioned_change_warning <==="
echo ""

set -x # show the commands we are running

has_upstream && git pull

# Update submodule pointers; Clean out any submodule changes
git submodule sync
git submodule foreach --recursive 'git submodule sync; git clean -d --force --force'

# Update submodule content, checkout if necessary
git submodule update --init --recursive --force

git clean -ffd

set +x # stop showing commands

echo "CF Release has been updated"