#! /bin/sh

if [ "x${1}" = "x--help" ] || [ "x${1}" = "x-h" ] ; then
cat - << __EOF__
./configure [options]

  Options:
      --help | -h
  Variables:
      WITH_ZSH      [default '/bin/zsh']
      WITH_ETC      [default '/usr/local/etc/zblog']
      WITH_SED      [default 'sed']
      WITH_DATE     [default 'date']

  Example:
    % WITH_ZSH='/usr/local/bin/zsh-4.2.6' \\
      WITH_ETC='/etc/zblog' ./configure

__EOF__
exit 0
fi

com_zsh=${WITH_ZSH:-/bin/zsh}
dir_etc=${WITH_ETC:-/usr/local/etc/zblog}
com_sed=${WITH_SED:-sed}
com_date=${WITH_DATE:-date}

printf "checking for %s (%s)... " zsh ${com_zsh}
if [ ! -x $(which ${com_zsh}) ] ; then
  printf "*NOT_FOUND*\n"
  exit 1
fi
printf "okay.\n"

printf "checking for %s (%s)... " etczblog ${dir_etc}
if [ ! -d ${dir_etc} ] ; then
  printf "*NOT_FOUND*\n"
  printf "    'make install' will *not* install an example rc.\n"
  rm -f .install_rc
else
  printf "okay.\n"
  touch .install_rc
fi

printf "checking for %s (%s)... " sed ${com_sed}
if [ ! -x $(which ${com_set}) ] ; then
  printf "*NOT_FOUND*\n"
  exit 1
fi
printf "okay.\n"

printf "checking for %s (%s)... " date ${com_date}
if [ ! -x $(which ${com_date}) ] ; then
  printf "*NOT_FOUND*\n"
  exit 1
fi
printf "okay.\n"

### All okay, create zblog ###
printf "\nCreating files:\n\tzblog\n"
hook_list=$(./bin/genhooks.sh -s | sort)
LC_ALL=C ${com_sed} "s,@@ZSH@@,${com_zsh},;s,@@ETC_ZBLOG@@,${dir_etc},;s,@@HOOK_LIST@@,${hook_list}," < ./zblog.in > zblog
chmod 0755 zblog
for configure in */configure
do
  cd ${configure%/*}
  LC_ALL=C . ./configure
  cd ..
done