#!/bin/bash
#
# https://core.tcl-lang.org
#

set -x

P=modules
V=${MODULES_VERSION:-3.2.10.1}

FNAME="$P-$V.tar.gz"
DOWNLOAD_URL="https://amas.web.psi.ch/Downloads/$P/$P-$V.tar.bz2"

PREFIX="${PMODULES_HOME}"
SRC_FILE="${PMODULES_DISTFILESDIR}/${FNAME}"
SRC_DIR="${PMODULES_TMPDIR}/$P-$V/src"
BUILD_DIR="${PMODULES_TMPDIR}/$P-$V/build"

PATH="${PREFIX}/bin:${PATH}"

trap "pb_exit" EXIT

# download
test -r "${SRC_FILE}" || curl -L --output "$_" "${DOWNLOAD_URL}" || exit ${PB_ERR_DOWNLOAD}

# unpack
mkdir -p "${SRC_DIR}" && cd "$_" || exit ${PB_ERR_SYSTEM}
tar --directory "${SRC_DIR}" --strip-components 1 -xv -f "${SRC_FILE}" || exit ${PB_ERR_UNTAR}

# configure
mkdir -p "${BUILD_DIR}" && cd "$_" || exit ${PB_ERR_SYSTEM}
case $(uname -s) in
	Linux )
		declare -x LIBS="-lz -lpthread"
		;;
	Darwin )
		declare -x LIBS="-lz -framework CoreFoundation"
		;;
	* )
		echo "Oops: unsupported OS!" 1>&2
		exit ${PB_ERR_SYSTEM}
		;;
esac
CPPFLAGS="-DUSE_INTERP_ERRORLINE" \
"${SRC_DIR}"/configure \
	--prefix="${PREFIX}" \
	--exec-prefix="${PREFIX}" \
	--with-module-path="${PREFIX%%/Tools*}/Tools/${PMODULES_MODULEFILES_DIR}" \
	--with-tcl="${PREFIX}/lib" \
	--without-x \
	--disable-versioning \
        || exit ${PB_ERR_CONFIGURE}

# compile & install
make -j ${NJOBS} || exit ${PB_ERR_MAKE}
make install || exit ${PB_ERR_INSTALL}

# post-install
mkdir -p "${PREFIX}/share/man/man1"
mkdir -p "${PREFIX}/share/man/man4"
rm -v   "${PREFIX}/Modules/bin/add.modules"
rm -v   "${PREFIX}/Modules/bin/mkroot"
rm -rfv "${PREFIX}/Modules/modulefiles"
mv -v   "${PREFIX}/Modules/share/man/man1/module.1" "${PREFIX}/share/man/man1"
mv -v   "${PREFIX}/Modules/share/man/man4/modulefile.4" "${PREFIX}/share/man/man4"
rmdir   "${PREFIX}/Modules/bin"
rmdir   "${PREFIX}/Modules/share/man/man1"
rmdir   "${PREFIX}/Modules/share/man/man4"
rmdir   "${PREFIX}/Modules/share/man"
rmdir   "${PREFIX}/Modules/share"
rmdir   "${PREFIX}/Modules"
rm -f	"${PREIX}/init/{ksh,perl.pm,python.py,ruby.rb,cmake,.modulespath}"
cp -v   "${BUILD_DIR}/modulecmd" "${PREFIX}/libexec/modulecmd.bin" || exit 1

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