multi-switcher.sh

#!/bin/sh
#
# Copyright (C) 2020 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

BASE=$(readlink -f $(dirname $0)/..)

BRANCH=$1

pushd $BASE > /dev/null

  if [ ! -d common-${BRANCH} ]; then
    echo "usage: $0 <branch>\n"
    echo "Branches available: "
    ls -d common-* | sed 's/common-/\t/g'
    exit 1
  fi

  echo "Switching to $BRANCH"

  for dir in common cuttlefish-modules goldfish-modules; do
      if [ -L ${dir} ]; then
          rm ${dir}
      fi
      if [ -d ${dir}-${BRANCH} ]; then
          ln -vs ${dir}-${BRANCH} ${dir}
      fi
  done

popd > /dev/null