mkpkg_32to64

#!/bin/bash
# This script converts i686 package to x86_64 compat32 package by stripping unneeded files

if [ -z "${MKPKG_DIR}" ]; then
   echo "The script starts mkpkg -c64 [package]"
   exit
fi

mpkg_cache_dir="/var/mpkg/cache"

# Load global configuration
. /etc/mkpkg.conf

if [ -f "${MKPKG_DIR}/mkpkg_shared_functions" ]; then
   . "${MKPKG_DIR}/mkpkg_shared_functions"
else
   echo "Error loading shared functions block ${MKPKG_DIR}/mkpkg_shared_functions"
   exit 1
fi

PKGLIST="$@"

make_compat32() {
  set -e
  local pkg_file=$1
  if ! [ -f "${pkg_file}" ]; then
     show_message FILE_NOT_FOUND "${pkg_file}"
     exit 1
  fi
  PKG_FULLPATH="$(readlink -f ${pkg_file})"
  PKGNAME=$(basename "${PKG_FULLPATH}")

  # Create working directory
  wd=${bt_working_dir}.${USER}/32to64/${PKGNAME}
  orig_dir=${wd}/orig
  dest_dir=${wd}/dest
  rm -rf "${wd}"
  mkdir -p "${orig_dir}"
  mkdir -p "${dest_dir}"
  ( cd "${orig_dir}" ; tar -xf "${PKG_FULLPATH}" )
  # Copy metadata
  mkdir ${dest_dir}/install
  cp ${orig_dir}/install/data.xml ${dest_dir}/install/data.xml
  pkginfo="$(mkpkg_xml_parser ${dest_dir}/install/data.xml -p)"
  tpkgname=`echo ${pkginfo} | cut -d ' ' -f 1`
  tpkgver=`echo ${pkginfo} | cut -d ' ' -f 2`
  tpkgbuild=`echo ${pkginfo} | cut -d ' ' -f 4`
  tpkgarch=`echo ${pkginfo} | cut -d ' ' -f 3`
  if [ ${tpkgarch} != "i686" ]; then
     show_message INCORRECT_ARCH_PACKAGE "${tpkgarch}" "${PKGNAME}"
     exit
  fi
  # Copy libs
  ( cd ${orig_dir}
    copied_once=0
    for i in $(find . -name '*.so') $(find . -name '*.so.*') ; do
        dirname=$(dirname $i)
        check_dir_whitelist ${dirname} || continue
        show_message MOVING "${i}"
        mkdir -p ${dest_dir}/$(dirname ${i})
        cp -a $i ${dest_dir}/${i}
        copied_once=1
    done
    if [ "${copied_once}" == "0" ] ; then
        show_message ERROR_PACKAGE_NO_LIBS
       exit 1
    fi
  )

  # Copy ABUILD
  orig_abuild=$(basename ${orig_dir}/usr/src/BuildTrees/${tpkgname}-*.build_tree.tar.xz)
  dest_abuild=$(echo ${orig_abuild} | sed s/${tpkgname}/${tpkgname}32/g)
  if ! [ -f "${orig_dir}/usr/src/BuildTrees/${orig_abuild}" ]; then
     show_message FILE_NOT_FOUND "${orig_dir}/usr/src/BuildTrees/${orig_abuild}"
     #echo "WARNING: No ABUILD in package"
     exit 1
  fi
  install -Dm0644 "${orig_dir}/usr/src/BuildTrees/${orig_abuild}" "${dest_dir}/usr/src/BuildTrees/${dest_abuild}"

  # Check ABUILD
  mkdir -p "${wd}/build_tree"
  ( cd "${wd}/build_tree" ; tar -xf "${orig_dir}/usr/src/BuildTrees/${tpkgname}-${tpkgver}.build_tree.tar.xz" )
  . "${wd}/build_tree/ABUILD"
  if [ -z "$(echo ${tags} | grep -w 'compat32')" ]; then
      show_message ABUILD_NOT_TAG «compat32»
  fi

  # Do data.xml magic
  show_message REPLACING_TAGS
  replace_tags

  show_message MODIFYING_METADATA
  modify_meta

  show_message MODIFYING_DEPS
  modify_deps

  show_message PACKING_BACK
  # Package it and move to packages directory
  ( cd ${dest_dir} ; buildpkg ${package_out_dir}/ )
  if [ "${NOT_CLEAR_SOURCE}" != "1" ]; then
     show_message DELETE_TEMPORARY_FILES
     rm -fr "${wd}"
  fi
  set +e
}

replace_tags() {
  # Modify metadata tags
  pkgtags="$(mkpkg_xml_parser ${dest_dir}/install/data.xml -t)"
  taglist=
  found=0
  tagstring="--cleartags "
  for tag in ${pkgtags} ; do
      #Не понятно зачем вместо первого тега compat32, а не добавляется?
      local result="$(echo ${tag} | grep '-' || true)"
      if [ -z "${result}" -a "${found}" == 0 ]; then
         taglist+=" --add-tag=compat32 "
         found=1
      else
         taglist+=" --add-tag=${tag} "
         taglist+=" --add-tag=x86 "
      fi
  done
  tagstring+="${taglist} "
  mpkg-setmeta ${dest_dir} ${tagstring}
  return 0
}

modify_meta() {
  # Set package name
  mpkg-setmeta "${dest_dir}" --arch=x86_64 --name=${tpkgname}32
  # Clear config files
  mpkg-setmeta "${dest_dir}" -F
  # Check if provides value exists
  provides="$(mkpkg_xml_parser ${dest_dir}/install/data.xml -P)"
  if [ "${provides}" != "" ] ; then
     mpkg-setmeta "${dest_dir}" --provides=${provides}32
  fi
  # Check if conflicts value exists
  conflicts="$(mkpkg_xml_parser ${dest_dir}/install/data.xml -C)"
  if [ "${conflicts}" != "" ] ; then
     mpkg-setmeta "${dest_dir}" --conflicts=${conflicts}32
  fi
  # Add maintainer name and email
  mpkg-setmeta "${dest_dir}" --maintainer-name=${mn} --maintainer-email=${me}
  return 0
}

modify_deps() {
  deps="$(mkpkg_xml_parser ${dest_dir}/install/data.xml -d)"
  local depstring="-Z "
  for d in ${deps} ; do
      newdep_name="$(echo $d | sed 's/[>=<!].*//g')"
      newdep_tail="$(echo $d | sed 's/^[^>=<!]*//g')"
      set +e
      check_deps
      local res_check_deps=$?
      if [ ${res_check_deps} = 2 ]; then
         show_message NOT_ADDED_PACKAGE_DEPS "«${newdep_name}»"
         continue
      fi
      set -e
      if [ ${res_check_deps} = 1 ]; then
         local depstring+="-d ${newdep_name}${newdep_tail} "
      else
         local depstring+="-d ${newdep_name}32${newdep_tail} "
      fi
  done
  mpkg-setmeta "${dest_dir}" ${depstring}
  return 0
}

# Run stuff
for i in ${PKGLIST} ; do
  make_compat32 ${i}
done