#! /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

#
# The script collects the sources for all the tools.
#
. ${release_top}/rtems-release-version
echo "RTEMS Release Sources, v${rtems_release_version}"

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

#
# The version and revision.
#
if [ $# -ne 2 ]; then
 echo "error: must be 2 arguments, the version, and release."
 exit 1
fi
version=$1
revision=$2

package=rtems-source-builder

release=${version}.${revision}
prefix=${package}-${release}

checksum=sha512

workspace=ws-${package}

#
# Source the source packages to package (haha)
#
. rtems-source-packages

echo "Package: ${package}"
echo "Release: ${release}"

if [ ! -e ${release} ]; then
 mkdir ${release}
else
 if [ ! -d ${release} ]; then
  echo "error: ${release} exists and is not a directory."
  exit 1
 fi
fi

#
# Work in a package specific directory in the release directory.
#
cd ${release}
 rm -rf ${workspace}
 mkdir ${workspace}
 cd ${workspace}

  echo "tar ${comp_tar}xf ../${prefix}.tar.${comp_ext}"
  tar ${comp_tar}xf ../${prefix}.tar.${comp_ext}

  #
  # Get the RSB to download the source we need to release. This is 100% of the
  # actual sourced used.
  #
  cd ${prefix}
   cd rtems
    export_source=rtems
    mkdir sources patches
    #
    # Copy in any source not present on the server. If these are not copied in
    # the RSB does not find them.
    #
    for p in rtems-tools rtems
    do
     cp ${top}/${release}/${p}-${release}.tar.${comp_ext} sources/
    done
    #
    # Fetch the source for RTEMS tools.
    #
    if [ ${version} -lt 5 ]; then
     echo "../source-builder/sb-set-builder --dry-run --with-download " \
          "--without-error-report --without-release-url " \
          "${rtems_pkgs}"
     ../source-builder/sb-set-builder --dry-run --with-download \
                                      --without-error-report \
                                      --without-release-url \
                                      ${rtems_pkgs}
    else
     echo "../source-builder/sb-get-sources ${rtems_pkgs}"
     ../source-builder/sb-get-sources ${rtems_pkgs}
    fi
    #
    # Remove the top level packages because they do not have a VERSION file.
    #
    # These packages may or will be referencing git so remove those as well.
    #
    for p in rtems-tools rtems
    do
     rm sources/${p}-${release}.tar.${comp_ext}
     rm -rf sources/git/${p}.git
    done
    #
    # Remove the git, svn or cvs directory if empty.
    #
    for d in git svn cvs
    do
     if [ -e sources/${d} ]; then
      find sources/${d} -type d -empty -delete
     fi
    done
    #
    # If git, svn or cvs exist the release fails.
    #
    if [ -d sources/git -o -d sources/svn -o -d sources/cvs ]; then
     echo "error: ${release} contains repositories and cannot be released."
     exit 1
    fi
    cd ..    # rtems

   #
   # Fetch the source for 3rd party packages tools.
   #
   if [ -n "${bare_pkgs}" -a "${bare_pkgs}" != "None" ]; then
    cd bare
     export_source="${export_source} bare"
     mkdir sources patches
     if [ ${version} -lt 5 ]; then
      echo "../source-builder/sb-set-builder --dry-run --with-download " \
           "--without-error-report --without-release-url " \
           "${bare_pkgs}"
      ../source-builder/sb-set-builder --dry-run --with-download \
                                       --without-error-report \
                                       --without-release-url \
                                       ${bare_pkgs}
     else
      echo "../source-builder/sb-get-sources ${bare_pkgs}"
      ../source-builder/sb-get-sources ${bare_pkgs}
     fi
     #
     # Remove the git, svn or cvs directory if empty.
     #
     for d in git svn cvs
     do
      if [ -e sources/${d} ]; then
       find sources/${d} -type d -empty -delete
      fi
     done
     #
     # If svn or cvs exist the release fails. Git is ok.
     #
     if [ -d sources/svn -o -d sources/cvs ]; then
      echo "error: ${release} contains repositories and cannot be released."
      exit 1
     fi
     #
     # If there are git repos create packages of them as they are.
     #
     if [ -d sources/git ]; then
      cd sources
       cd git
        for g in $(ls)
        do
         cd ${g}
          hash=$(git status | grep '^HEAD detached at ' | sed 's/^HEAD detached at //')
          prefix=$(echo ${g}-${hash} | sed 's/\./\-/')
          echo "Packaging GIT repo: ${g} to ${prefix}"
          git archive --format=tar --prefix=${prefix}/ ${hash} | \
	      ${comp} > ../../${prefix}.tar.${comp_ext}
          cd ..  # ${g}
        done
        cd ..   # git
       rm -rf git
       cd ..   # source
     fi
     cd ..   # ${bare}
   fi
   #
   # Export the sources and patches.
   #
   rm -rf ${top}/${release}/sources
   mkdir ${top}/${release}/sources
   for p in ${export_source}
   do
    cp ${p}/sources/* ${top}/${release}/sources/
    cp ${p}/patches/* ${top}/${release}/sources/
   done
   cd ..   # ${prefix}
  cd ..   # ${workspace}

  rm -rf ${workspace}

  #
  # Copy the stamped packages from the top level release directory to the
  # sources directory. The RSB requires all source be in the `sources`
  # directory under the release URL.
  #
  for p in rtems-tools rtems
  do
   cp ${p}-${release}.tar.${comp_ext} sources/${p}-${release}.tar.${comp_ext}
  done

  cd sources
   rm -f ${checksum}sum.txt
   for f in $(ls -1)
   do
    if [ ! -d ${f} ]; then
     csum=$(${checksum} -q ${f})
     echo "${csum} ${f}" >> ${checksum}sum.txt
    fi
   done
   cd ..   # sources
  cd ..   # ${release}

echo "Created: ${release}/sources/${checksum}sum.txt"
echo "Created: ${release}/sources"

exit 0