infodir=usr/share/info
filelist=(dvipng.info dvips.info eplain.info epspdf.info fontname.info kpathsea.info latex2e-es.info latex2e.info latex2man.info mf2pt1.info tds.info texdraw.info web2c.info)

post_install() {
  if [[ -f usr/bin/mktexlsr ]]; then
    echo    ">>> texlive: updating the filename database..."
    usr/bin/mktexlsr
  fi
  if [[ -f usr/bin/fmtutil-sys ]]; then
    echo -n   "creating all formats..."
    usr/bin/fmtutil-sys --all 1>/dev/null
    echo      " done." 
    echo      " (logs are under /var/lib/texmf/web2c/<engine>/<formatname>.log)"
  fi
  [[ -x usr/bin/install-info ]] || return 0
  for file in "${filelist[@]}"; do
    install-info "$infodir/$file.gz" "$infodir/dir" 2> /dev/null
  done
}

post_upgrade() {
  local corename corever _pacout
  if [[ -f usr/bin/mktexlsr ]]; then
    echo    ">>> texlive: updating the filename database..."
    usr/bin/mktexlsr
  fi
  _pacout=$(pacman -Q texlive-core 2>/dev/null)
  read corename corever <<< ${_pacout}
  if [[ ${corever} == 2012* ]]; then
      if [[ -f usr/bin/fmtutil-sys ]]; then
        echo -n   "recreating all formats..."
        usr/bin/fmtutil-sys --all 1>/dev/null
        echo      " done." 
        echo      " (logs are under /var/lib/texmf/web2c/<engine>/<formatname>.log)"
      fi
  else
      echo "WARNING: not recreating formats since texlive-core has version '$corever'"
  fi
  [[ -x usr/bin/install-info ]] || return 0
  for file in "${filelist[@]}"; do
    install-info "$infodir/$file.gz" "$infodir/dir" 2> /dev/null
  done
}

pre_remove() {
  [[ -x usr/bin/install-info ]] || return 0
  for file in "${filelist[@]}"; do
    install-info --delete "$infodir/$file.gz" "$infodir/dir" 2> /dev/null
  done
}