# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-db/postgresql/postgresql-7.3.6-r1.ebuild,v 1.6 2004/07/05 22:20:02 mholzer Exp $

inherit flag-o-matic

DESCRIPTION="sophisticated Object-Relational DBMS"

HOMEPAGE="http://www.postgresql.org/"
SRC_URI="mirror://postgresql/source/v${PV}/${PN}-base-${PV}.tar.bz2
	mirror://postgresql/source/v${PV}/${PN}-opt-${PV}.tar.bz2
	doc? ( mirror://postgresql/source/v${PV}/${PN}-docs-${PV}.tar.bz2 )"

LICENSE="POSTGRESQL"
SLOT="0"
KEYWORDS="x86 ppc sparc alpha amd64 hppa ia64 mips"
IUSE="doc java libg++ nls pam perl python readline ssl tcltk zlib"

DEPEND="virtual/libc
	sys-devel/autoconf
	app-admin/sudo
	>=sys-libs/ncurses-5.2
	zlib? ( >=sys-libs/zlib-1.1.3 )
	readline? ( >=sys-libs/readline-4.1 )
	tcltk? ( >=dev-lang/tcl-8 >=dev-lang/tk-8.3.3-r1 )
	perl? ( >=dev-lang/perl-5.6.1-r2 )
	python? ( >=dev-lang/python-2.2 dev-python/egenix-mx-base )
	java? ( >=virtual/jdk-1.3* >=dev-java/ant-1.3
		dev-java/java-config )
	ssl? ( >=dev-libs/openssl-0.9.6-r1 )
	nls? ( sys-devel/gettext )"
# java dep workaround for portage bug
# x86? ( java? ( =dev-java/sun-jdk-1.3* >=dev-java/ant-1.3 ) )
RDEPEND="virtual/libc
	zlib? ( >=sys-libs/zlib-1.1.3 )
	tcltk? ( >=dev-lang/tcl-8 )
	perl? ( >=dev-lang/perl-5.6.1-r2 )
	python? ( >=dev-lang/python-2.2 )
	java? ( >=virtual/jdk-1.3* )
	ssl? ( >=dev-libs/openssl-0.9.6-r1 )"

PG_DIR="/var/lib/postgresql"

pkg_setup() {
	if [ -f ${PG_DIR}/data/PG_VERSION ] ; then
		PG_MAJOR=`cat ${PG_DIR}/data/PG_VERSION | cut -f1 -d.`
		PG_MINOR=`cat ${PG_DIR}/data/PG_VERSION | cut -f2 -d.`
		if [ ${PG_MAJOR} -lt 7 ] || [ ${PG_MAJOR} -eq 7 -a ${PG_MINOR} -lt 3 ] ; then
			eerror "Postgres ${PV} cannot upgrade your existing databases, you must"
			eerror "use pg_dump to export your existing databases to a file, and then"
			eerror "pg_restore to import them when you have upgraded completely."
			eerror "You must remove your entire database directory to continue."
			eerror "(database directory = ${PG_DIR})."
			die
		fi
	fi
}

check_java_config() {
	JDKHOME="`java-config --jdk-home`"
	if [[ -z ${JDKHOME} || ! -d ${JDKHOME} ]]; then
		NOJDKERROR="You need to use java-config to set your JVM to a JDK!"
		eerror "${NOJDKERROR}"
		die "${NOJDKERROR}"
	fi
}

src_unpack() {
	unpack ${A} || die
	cd ${S} || die
}

src_compile() {
	filter-flags -ffast-math

	if use java; then
		check_java_config
	fi

	local myconf
	use tcltk && myconf="--with-tcl"
	use python && myconf="$myconf --with-python"
	use perl && myconf="$myconf --with-perl"
	use java && myconf="$myconf --with-java"
	use ssl && myconf="$myconf --with-openssl"
	use nls && myconf="$myconf --enable-nls"
	use libg++ && myconf="$myconf --with-CXX"
	use pam && myconf="$myconf --with-pam"
	use readline || myconf="$myconf --without-readline"
	use zlib || myconf="$myconf --without-zlib"

	# these are the only working CFLAGS I could get on ppc, so locking them
	# down, anything more aggressive fails (i.e. -mcpu or -Ox)
	# Gerk - Nov 26, 2002
	use ppc && CFLAGS="-pipe -fsigned-char"

	./configure --prefix=/usr \
		--mandir=/usr/share/man \
		--host=${CHOST} \
		--docdir=/usr/share/doc/${P} \
		--libdir=/usr/lib \
		--enable-depend \
		--with-gnu-ld \
		--with-maxbackends=1024 \
		$myconf || die

	make || die
	cd contrib
	make || die
}

src_install() {
	addwrite "/usr/share/man/man3/Pg.3pm"

	if use perl
	then
		mv ${S}/src/pl/plperl/Makefile ${S}/src/pl/plperl/Makefile_orig
		sed -e "s:(INST_DYNAMIC) /usr/lib:(INST_DYNAMIC) ${D}/usr/lib:" \
			${S}/src/pl/plperl/Makefile_orig > ${S}/src/pl/plperl/Makefile
		mv ${S}/src/pl/plperl/GNUmakefile ${S}/src/pl/plperl/GNUmakefile_orig
		sed -e "s:\$(DESTDIR)\$(plperl_installdir):\$(plperl_installdir):" \
			${S}/src/pl/plperl/GNUmakefile_orig > ${S}/src/pl/plperl/GNUmakefile
	fi

	make DESTDIR=${D} LIBDIR=${D}/usr/lib install || die
	make DESTDIR=${D} install-all-headers || die
	cd ${S}/contrib
	make DESTDIR=${D} LIBDIR=${D}/usr/lib install || die
	cd ${S}
	dodoc COPYRIGHT HISTORY INSTALL README register.txt
	dodoc contrib/adddepend/*

	if use java; then
		dojar ${D}/usr/share/postgresql/java/postgresql.jar
		rm ${D}/usr/share/postgresql/java/postgresql.jar
	fi

	dodir /usr/include/postgresql/pgsql
	cp ${D}/usr/include/*.h ${D}/usr/include/postgresql/pgsql

	cd ${S}/doc
	dodoc FAQ* README.* TODO bug.template
	if use doc; then
		cd ${S}/doc
		docinto FAQ_html || die
		dodoc src/FAQ/* || die
		docinto sgml || die
		dodoc src/sgml/*.{sgml,dsl} || die
		docinto sgml/ref || die
		dodoc src/sgml/ref/*.sgml || die
		docinto TODO.detail || die
		dodoc TODO.detail/* || die
	fi

	cd ${S}
	exeinto /etc/init.d/
	newexe ${FILESDIR}/postgresql.init-${PV} postgresql || die

	insinto /etc/conf.d/
	newins ${FILESDIR}/postgresql.conf postgresql || die

	keepdir /var/lib/postgresql
}

pkg_postinst() {
	einfo "Execute the following command"
	einfo "ebuild  /var/db/pkg/dev-db/${PF}/${PF}.ebuild config"
	einfo "to setup the initial database environment."
	einfo ""
	einfo "Make sure the postgres user in /etc/passwd has an account setup with /bin/bash as the shell"
}

pkg_config() {
	einfo "Creating the data directory ..."
	mkdir -p ${PG_DIR}/data
	chown -Rf postgres:postgres ${PG_DIR}
	chmod 700 ${PG_DIR}/data

	einfo "Initializing the database ..."
	if [ -f ${PG_DIR}/data/PG_VERSION ] ; then
		PG_MAJOR=`cat ${PG_DIR}/data/PG_VERSION | cut -f1 -d.`
		PG_MINOR=`cat ${PG_DIR}/data/PG_VERSION | cut -f2 -d.`
		if [ ${PG_MAJOR} -lt 7 ] || [ ${PG_MAJOR} -eq 7 -a ${PG_MINOR} -lt 3 ] ; then
			eerror "Postgres ${PV} cannot upgrade your existing databases."
			eerror "You must remove your entire database directory to continue."
			eerror "(database directory = ${PG_DIR})."
			die
		else
			einfon "A postgres data directory already exists from version "; cat ${PG_DIR}/data/PG_VERSION
			einfo "Read the documentation to check how to upgrade to version ${PV}."
		fi
	else
		# On hppa, postgresql need way more than the default sem index and shmmax
		if [ "${ARCH}" = "hppa" ]; then
			SEM_IDX_MIN=1024
			SHMMAX_MIN=100000000
			SEM_IDX=`sysctl kernel.sem | awk '{ print $6 }'`
			if [ $SEM_IDX -lt ${SEM_IDX_MIN} ]; then
				eerror "The last value of /proc/sys/kernel/sem is too low for postgresql to run"
				eerror "Temporary setting this value to ${SEM_IDX_MIN} while creating the initial database."
				cat /proc/sys/kernel/sem | sed -e "s/\t${SEM_IDX}/\t${SEM_IDX_MIN}/" > /proc/sys/kernel/sem
			fi
		fi
		sudo -u postgres /usr/bin/initdb --pgdata ${PG_DIR}/data

		if [ "${ARCH}" = "hppa" ]; then
			if [ ! `sysctl kernel.sem | awk '{ print $6 }'` -eq ${SEM_IDX} ] ; then
				cat /proc/sys/kernel/sem | sed -e "s/\t${SEM_IDX_MIN}/\t${SEM_IDX}/" > /proc/sys/kernel/sem
				ewarn "Restoring the sem idx value to the previous value"
				ewarn "Please edit the last value of kernel.sem in /etc/sysctl.conf"
				ewarn "and set it to at least ${SEM_IDX_MIN}"
			fi

			if [ `sysctl kernel.shmmax | awk '{ print $3 }'` -lt ${SHMMAX_MIN} ]; then
				eerror "The current value of /proc/sys/kernel/shmmax is too low"
				eerror "for postgresql to run. Please edit /etc/sysctl.conf and set"
				eerror "this value to at least ${SHMMAX_MIN}."

			fi
		fi

		einfo "If you are upgrading from a pre-7.3 version of PostgreSQL, please read"
		einfo "the README.adddepend file for information on how to properly migrate"
		einfo "all serial columns, unique keys and foreign keys to this version."
	fi
}