# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/intel-sdp.eclass,v 1.5 2012/12/05 19:41:21 jlec Exp $

# @ECLASS: intel-sdp.eclass
# @MAINTAINER:
# Justin Lecher <jlec@gentoo.org>
# Sci Team <sci@gentoo.org>
# @BLURB: Handling of Intel's Software Development Products package management

# @ECLASS-VARIABLE: INTEL_DID
# @DEFAULT_UNSET
# @DESCRIPTION:
# The package download ID from Intel.
# To find out its value, see the links to download in
# https://registrationcenter.intel.com/RegCenter/MyProducts.aspx
#
# e.g. 2504
#
# Must be defined before inheriting the eclass

# @ECLASS-VARIABLE: INTEL_DPN
# @DEFAULT_UNSET
# @DESCRIPTION:
# The package name to download from Intel.
# To find out its value, see the links to download in
# https://registrationcenter.intel.com/RegCenter/MyProducts.aspx
#
# e.g. parallel_studio_xe
#
# Must be defined before inheriting the eclass

# @ECLASS-VARIABLE: INTEL_DPV
# @DEFAULT_UNSET
# @DESCRIPTION:
# The package download version from Intel.
# To find out its value, see the links to download in
# https://registrationcenter.intel.com/RegCenter/MyProducts.aspx
#
# e.g. 2011_sp1_update2
#
# Must be defined before inheriting the eclass

# @ECLASS-VARIABLE: INTEL_SUBDIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# The package sub-directory where it will end-up in /opt/intel
# To find out its value, you have to do a raw install from the Intel tar ball

# @ECLASS-VARIABLE: INTEL_RPMS_DIRS
# @DESCRIPTION:
# List of subdirectories in the main archive which contains the
# rpms to extract.
: ${INTEL_RPMS_DIRS:=rpm}

# @ECLASS-VARIABLE: INTEL_X86
# @DESCRIPTION:
# 32bit arch in rpm names
#
# e.g. i484
: ${INTEL_X86:=i486}

# @ECLASS-VARIABLE: INTEL_BIN_RPMS
# @DEFAULT_UNSET
# @DESCRIPTION:
# Functional name of rpm without any version/arch tag
#
# e.g. compilerprof

# @ECLASS-VARIABLE: INTEL_DAT_RPMS
# @DEFAULT_UNSET
# @DESCRIPTION:
# Functional name of rpm of common data which are arch free
# without any version tag
#
# e.g. openmp

# @ECLASS-VARIABLE: INTEL_SDP_DB
# @DESCRIPTION:
# Full path to intel registry db
INTEL_SDP_DB="${EROOT%/}"/opt/intel/intel-sdp-products.db

inherit check-reqs multilib versionator

_INTEL_PV1=$(get_version_component_range 1)
_INTEL_PV2=$(get_version_component_range 2)
_INTEL_PV3=$(get_version_component_range 3)
_INTEL_PV4=$(get_version_component_range 4)
_INTEL_URI="http://registrationcenter-download.intel.com/irc_nas/${INTEL_DID}/${INTEL_DPN}"

SRC_URI="
	amd64? ( multilib? ( ${_INTEL_URI}_${INTEL_DPV}.tgz ) )
	amd64? ( !multilib? ( ${_INTEL_URI}_${INTEL_DPV}_intel64.tgz ) )
	x86?	( ${_INTEL_URI}_${INTEL_DPV}_ia32.tgz )"

LICENSE="Intel-SDP"
# Future work, #394411
#SLOT="${_INTEL_PV1}.${_INTEL_PV2}"
SLOT="0"
IUSE="examples multilib"
KEYWORDS="-* ~amd64 ~x86 ~amd64-linux ~x86-linux"

RESTRICT="mirror"

RDEPEND=""
DEPEND="app-arch/rpm2targz"

_INTEL_SDP_YEAR=${INTEL_DPV%_update*}
_INTEL_SDP_YEAR=${INTEL_DPV%_sp*}

# @ECLASS-VARIABLE: INTEL_SDP_DIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# Full rootless path to installation dir
INTEL_SDP_DIR="opt/intel/${INTEL_SUBDIR}-${_INTEL_SDP_YEAR:-${_INTEL_PV1}}.${_INTEL_PV3}.${_INTEL_PV4}"

# @ECLASS-VARIABLE: INTEL_SDP_EDIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# Full rooted path to installation dir
INTEL_SDP_EDIR="${EROOT%/}/${INTEL_SDP_DIR}"

S="${WORKDIR}"

QA_PREBUILT="${INTEL_SDP_DIR}/*"

# @ECLASS-VARIABLE: INTEL_ARCH
# @DEFAULT_UNSET
# @DESCRIPTION:
# Intels internal names of the arches; will be set at runtime accordingly
#
# e.g. amd64-multilib -> INTEL_ARCH="intel64 ia32"

# @FUNCTION: _isdp_link_eclipse_plugins
# @INTERNAL
# @DESCRIPTION:
# Creating necessary links to use intel compiler with eclipse
_isdp_link_eclipse_plugins() {
	local c f
	pushd ${INTEL_SDP_DIR}/eclipse_support > /dev/null
		for c in cdt*; do
			local cv=${c#cdt} ev=3.$(( ${cv:0:1} - 1))
			if has_version "dev-util/eclipse-sdk:${ev}"; then
				einfo "Linking eclipse (v${ev}) plugin cdt (v${cv})"
				for f in cdt${cv}/eclipse/features/*; do
					dodir /usr/$(get_libdir)/eclipse-${ev}/features
					dosym "${INTEL_SDP_EDIR}"/eclipse_support/${f} \
						/usr/$(get_libdir)/eclipse-${ev}/features/ || die
				done
				for f in cdt${cv}/eclipse/plugins/*; do
					dodir /usr/$(get_libdir)/eclipse-${ev}/plugins
					dosym "${INTEL_SDP_EDIR}"/eclipse_support/${f} \
						/usr/$(get_libdir)/eclipse-${ev}/plugins/ || die
				done
			fi
		done
	popd > /dev/null
}

# @FUNCTION: _isdp_big-warning
# @USAGE: [pre-check | test-failed]
# @INTERNAL
# @DESCRIPTION:
# warn user that we really require a license
_isdp_big-warning() {
	case ${1} in
		pre-check )
			echo ""
			ewarn "License file not found!"
			;;

		test-failed )
			echo
			ewarn "Function test failed. Most probably due to an invalid license."
			ewarn "This means you already tried to bypass the license check once."
			;;
	esac

	echo ""
	ewarn "Make sure you have recieved the an Intel license."
	ewarn "To receive a non-commercial license, you need to register at:"
	ewarn "http://software.intel.com/en-us/articles/non-commercial-software-development/"
	ewarn "Install the license file into ${INTEL_SDP_EDIR}/licenses/"

	case ${1} in
		pre-check )
			ewarn "before proceeding with installation of ${P}"
			echo ""
			;;
		* )
			echo ""
			;;
			esac
}

# @FUNCTION: _isdp_version_test
# @INTERNAL
# @DESCRIPTION:
# Testing for valid license by asking for version information of the compiler
_isdp_version_test() {
	local comp comp_full arch warn
	case ${PN} in
		ifc )
			debug-print "Testing ifort"
			comp=ifort
			;;
		icc )
			debug-print "Testing icc"
			comp=icc
			;;
		*)
			die "${PN} is not supported for testing"
			;;
	esac

	for arch in ${INTEL_ARCH}; do
		case ${EBUILD_PHASE} in
			install )
				comp_full="${ED}/${INTEL_SDP_DIR}/bin/${arch}/${comp}"
				;;
			postinst )
				comp_full="${INTEL_SDP_EDIR}/bin/${arch}/${comp}"
				;;
			* )
				ewarn "Compile test not supported in ${EBUILD_PHASE}"
				continue
				;;
		esac

		debug-print "LD_LIBRARY_PATH=\"${INTEL_SDP_EDIR}/bin/${arch}/\" \"${comp_full}\" -V"

		LD_LIBRARY_PATH="${INTEL_SDP_EDIR}/bin/${arch}/" "${comp_full}" -V &>/dev/null
		[[ $? -ne 0 ]] && warn=yes
	done
	[[ "${warn}" == "yes" ]] && _isdp_big-warning test-failed
}

# @FUNCTION: _isdp_run-test
# @INTERNAL
# Test if installed compiler is working
_isdp_run-test() {
	case ${PN} in
		ifc | icc )
			_isdp_version_test ;;
		* )
			debug-print "No test available for ${PN}"
			;;
	esac
}

# @FUNCTION: intel-sdp_pkg_pretend
# @DESCRIPTION:
# @CODE
# * Check that the user has a (valid) license file before going on.
# * Check for space requirements being fullfilled
# @CODE
intel-sdp_pkg_pretend() {
	local warn=1 dir dirs ret arch a p

	: ${CHECKREQS_DISK_BUILD:=256M}
	check-reqs_pkg_pretend

	dirs=(
		"${INTEL_SDP_EDIR}/licenses"
		"${INTEL_SDP_EDIR}/Licenses"
		"${EPREFIX}/opt/intel/licenses"
		)
	for dir in "${dirs[@]}" ; do
		ebegin "Checking for a license in: ${dir}"
		#maybe use nullglob or [[ $(echo ${dir/*lic) != "${dir}/*lic" ]]
		[[ $( ls "${dir}"/*lic 2>/dev/null ) ]]; ret=$?
		eend ${ret}
		if [[ ${ret} == "0" ]]; then
			warn=${ret}
			break
		fi
	done
	if [[ ${warn} == "1" ]]; then
		_isdp_big-warning pre-check
		die "Could not find license file"
	fi
}

# @FUNCTION: intel-sdp_pkg_setup
# @DESCRIPTION:
# Setting up and sorting some internal variables
intel-sdp_pkg_setup() {
	local arch a p

	if use x86; then
		arch=${INTEL_X86}
		INTEL_ARCH="ia32"
	elif use amd64; then
		arch=x86_64
		INTEL_ARCH="intel64"
		if has_multilib_profile; then
			arch="x86_64 ${INTEL_X86}"
			INTEL_ARCH="intel64 ia32"
		fi
	fi
	INTEL_RPMS=""
	for p in ${INTEL_BIN_RPMS}; do
		for a in ${arch}; do
			INTEL_RPMS+=" intel-${p}-${_INTEL_PV4}-${_INTEL_PV1}.${_INTEL_PV2}-${_INTEL_PV3}.${a}.rpm"
		done
	done
	for p in ${INTEL_DAT_RPMS}; do
		INTEL_RPMS+=" intel-${p}-${_INTEL_PV4}-${_INTEL_PV1}.${_INTEL_PV2}-${_INTEL_PV3}.noarch.rpm"
	done

	case "${EAPI:-0}" in
		0|1|2|3) intel-sdp_pkg_pretend ;;
	esac
}

# @FUNCTION: intel-sdp_src_unpack
# @DESCRIPTION:
# Unpacking necessary rpms from tarball, extract them and rearrange the output.
intel-sdp_src_unpack() {
	local l r subdir rb t list=()

	for t in ${A}; do
		for r in ${INTEL_RPMS}; do
			for subdir in ${INTEL_RPMS_DIRS}; do
				rpmdir=${t%%.*}/${subdir}
				list+=( ${rpmdir}/${r})
			done
		done
		tar xf "${DISTDIR}"/${t} ${list[@]}	2> /dev/null || die
		for r in ${list[@]}; do
			rb=$(basename ${r})
			l=.${rb}_$(date +'%d%m%y_%H%M%S').log
			einfo "Unpacking ${rb}"
			rpm2tar -O ${r} | tar xvf - | sed -e \
				"s:^\.:${EROOT#/}:g" > ${l} || die "unpacking ${r} failed"
			mv ${l} opt/intel/ || die "failed moving extract log file"
		done
	done

	mv opt/intel/* ${INTEL_SDP_DIR} || die "mv to INTEL_SDP_DIR failed"
}

# @FUNCTION: intel-sdp_src_install
# @DESCRIPTION:
# Install everything
intel-sdp_src_install() {
	if [[ -d "${INTEL_SDP_DIR}"/Documentation ]]; then
		dodoc -r "${INTEL_SDP_DIR}"/Documentation/*

		ebegin "Cleaning out documentation"
		find "${INTEL_SDP_DIR}"/Documentation -delete || die
		eend
	fi

	if [[ -d "${INTEL_SDP_DIR}"/Samples ]]; then
		if use examples ; then
			insinto /usr/share/${P}/examples/
			doins -r "${INTEL_SDP_DIR}"/Samples/*
		fi
		ebegin "Cleaning out examples"
		find "${INTEL_SDP_DIR}"/Samples -delete || die
		eend
	fi

	if [[ -d "${INTEL_SDP_DIR}"/eclipse_support ]]; then
		if has eclipse ${IUSE} && use eclipse; then
			_isdp_link_eclipse_plugins
		else
			ebegin "Cleaning out eclipse plugin"
			find "${INTEL_SDP_DIR}"/eclipse_support -delete || die
			eend
		fi
	fi

	if [[ -d "${INTEL_SDP_DIR}"/man ]]; then
		doman "${INTEL_SDP_DIR}"/man/en_US/man1/*
		if has linguas_ja ${IUSE} && use linguas_ja; then
			doman -i18n=ja_JP "${INTEL_SDP_DIR}"/man/ja_JP/man1/*
		fi

		find "${INTEL_SDP_DIR}"/man -delete || die
	fi

	ebegin "Tagging ${PN}"
	find opt -name \*sh -type f -exec sed -i \
		-e "s:<.*DIR>:${INTEL_SDP_EDIR}:g" \
		'{}' + || die
	eend

	[[ -d "${ED}" ]] || dodir /
	mv opt "${ED}"/ || die "moving files failed"

	dodir "${INTEL_SDP_EDIR}"/licenses
	keepdir "${INTEL_SDP_EDIR}"/licenses
}

# @FUNCTION: intel-sdp_pkg_postinst
# @DESCRIPTION:
# Add things to intel database
intel-sdp_pkg_postinst() {
	# add product registry to intel "database"
	local l r
	for r in ${INTEL_RPMS}; do
		l="$(ls -1 ${EROOT%/}/opt/intel/.${r}_*.log | head -n 1)"
		echo >> ${INTEL_SDP_DB} \
			"<:${r%-${_INTEL_PV4}*}-${_INTEL_PV4}:${r}:${INTEL_SDP_EDIR}:${l}:>"
	done
	_isdp_run-test
}

# @FUNCTION: intel-sdp_pkg_postrm
# @DESCRIPTION:
# Sanitize intel database
intel-sdp_pkg_postrm() {
	# remove from intel "database"
	if [[ -e ${INTEL_SDP_DB} ]]; then
		local r
		for r in ${INTEL_RPMS}; do
			sed -i \
				-e "/${r}/d" \
				${INTEL_SDP_DB}
		done
	fi
}

EXPORT_FUNCTIONS pkg_setup src_unpack src_install pkg_postinst pkg_postrm
case "${EAPI:-0}" in
	0|1|2|3) ;;
	4|5) EXPORT_FUNCTIONS pkg_pretend ;;
	*) die "EAPI=${EAPI} is not supported" ;;
esac