#! /bin/sh
#
# RTEMS Tools Project (http://www.rtems.org/)
# Copyright 2015,2016,2019 Chris Johns (chrisj@rtems.org)
# All rights reserved.
#
# This file is part of the RTEMS Tools package in 'rtems-tools'.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#

set -e

#
# This script packages a package in a tar file.
#

#
# Defaults.
#
. ${release_top}/rtems-release-defaults

#
# Common package start.
#
title="RTEMS Release Package"
. ./rtems-release-package-start

#
# Work in a package specific directory in the release directory.
#
echo "git clone ${git_remote} ${git_local}"
git clone ${git_remote} ${git_local}

stamped_tar=${prefix}-unstamped

#
# Clone the repo and then check if there are any submodules.
#
# If there are submodules, exclude the ones we do not wish to package, eg the
# whole of the FreeBSD source tree. For the ones to package get the commit
# (treeish) for the branch we releasing and then create an archive. The
# submodule archives are merged into the main archive once we have collected
# them all.
#
#
cd ${git_local}
 echo "git fetch origin"
 git fetch origin
 # Map the branch name to a specific package and release branch name
 remote_branch=$(rtems_map_branch ${package} ${version})
 echo "] Package ${package} ${version}: ${remote_branch}"
 git_submodules=$(git submodule | awk '{print $2}')
 if [ -n "${git_submodules}" ]; then
  echo "] git submodules found ...."
  echo "git submodules init"
  git submodule init
  echo "git checkout ${remote_branch}"
  git checkout ${remote_branch}
  for s in ${git_submodules}
  do
   ok=$(echo ${git_submodules_excludes} | sed -e "s/.*${s}.*/no/g")
   if [ "${ok}" != "no" ]; then
    echo "git submodule update ${s}"
    git submodule update ${s}
    treeish=$(git ls-tree HEAD ${s} | awk '{print $3}')
    cd ${s}
     echo "git archive --format=tar --prefix=${prefix}/${s}/ ${treeish}"
     git archive --format=tar --prefix=${prefix}/${s}/ ${treeish} > \
 	                                  ../../${stamped_tar}-${s}.tar
     cd ..   # ${s}
   else
    echo "git submodule ${s} excluded"
   fi
  done
  echo "git checkout master"
  git checkout master
 fi
 echo "git archive --format=tar --prefix=${prefix}/ ${remote_branch}"
 git archive --format=tar --prefix=${prefix}/ ${remote_branch} > \
                                          ../${stamped_tar}.tar
 cd ..   # ${git_local}

if [ ! -f ${stamped_tar}.tar ]; then
 echo "error: git archive failed, no tar file"
 exit 1
fi
echo "tar xf ${stamped_tar}.tar"
tar xf ${stamped_tar}.tar
if [ -n "${git_submodules}" ]; then
 for s in ${git_submodules}
 do
   ok=$(echo ${git_submodules_excludes} | sed -e "s/.*${s}.*/no/g")
   if [ "${ok}" != "no" ]; then
    echo "tar xf ${stamped_tar}-${s}.tar"
    tar xf ${stamped_tar}-${s}.tar
   fi
 done
fi

cd ${prefix}
 echo "] Creating VERSION: ${release}"
 echo "[version]" > VERSION
 echo "revision = ${release}" >> VERSION
 cd .. # ${prefix}

#
# Run the worker script if provided. It can perform any package
# specific set up functions. This is done before we finally
# package the release.
#
if [ -n "${worker}" ]; then
 wk_name=$(basename ${worker})
 echo "] Worker: ${wk_name}"
 ${worker} ${package} ${version} ${revision} ${release_url} ${top}
fi

#
# The '..' is the release directory.
#
echo "tar cf - ${prefix}"
tar cf - ${prefix} | ${comp} > ../${prefix}.tar.${comp_ext}

echo "] Created: ${release}/${prefix}.tar.${comp_ext}"

#
# Comman package end.
#
. ${top}/rtems-release-package-end

exit 0