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# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/www-apps/trac/trac-0.10.3.1.ebuild,v 1.5 2007/08/19 10:05:14 dju Exp $

inherit distutils webapp

DESCRIPTION="Trac is a minimalistic web-based project management, wiki and bug/issue tracking system."
HOMEPAGE="http://trac.edgewall.com/"
SRC_URI="http://ftp.edgewall.com/pub/trac/${P}.tar.gz"

LICENSE="trac"
KEYWORDS="~amd64 ppc ~ppc64 ~sparc x86"
IUSE="cgi fastcgi mysql postgres sqlite enscript silvercity"

# doing so because utils (such as trac-admin), manpages... overlap
SLOT="0"
WEBAPP_MANUAL_SLOT="yes"

# we need to depend on virtual/httpd-cgi to pull apache/lighttpd/whatever in when USE cgi
# we need to depend on virtual/httpd-fcgi to pull mod_fastcgi/lighttpd/whatever in when USE fastcgi
# we need to depend on virtual/httpd-python to pull mod_python/whatever in when USE python (python
# is rather confusing here, as dev-lang/python is a required dependency, but httpd-python isn't)
DEPEND="${DEPEND}
	>=dev-lang/python-2.3
	app-text/pytextile
	>=dev-python/docutils-0.3.9
	dev-libs/clearsilver
	>=dev-util/subversion-1.3.2
	mysql? (
		>=virtual/mysql-4.1
		>=dev-python/mysql-python-1.2.1
	)
	sqlite? (
		>=dev-db/sqlite-3.3.4
		|| ( >=dev-lang/python-2.5 >=dev-python/pysqlite-2.3 )
	)
	postgres? ( >=dev-python/psycopg-2 )
	enscript? ( app-text/enscript )
	silvercity? ( app-text/silvercity )"

# The following function should be added to eutils.eclass (see bug #143572):

# Generate an standard error message for missing USE flags
# in existing packages, and die.
#
# Usage: built_with_use_error <category/package> <functionality> [<USE flag>]
#    ex: built_with_use_error dev-util/subversion python
#    or: built_with_use_error www-servers/apache LDAP ldap
#
# Typical usage:
#	if ! built_with_use dev-util/subversion python ; then
#        built_with_use_error dev-util/subversion python
#   fi
#
# Note: when <USE flag> is not specified, <functionality> is used for the USE flag name.
built_with_use_error() {
	local package=$1
	local func=$2
	local use_flag=$3

	[[ -z ${use_flag} ]] && use_flag=${func}

	eerror "Your ${package} package has been built without"
	eerror "${func} support, please enable the '${use_flag}' USE flag and"
	eerror "re-emerge ${package}."
	elog "You can enable this USE flag either globally in /etc/make.conf,"
	elog "or just for specific packages in /etc/portage/package.use."
	die "${package} missing ${func} support"
}

pkg_setup () {
	if ! use mysql && ! use postgres && ! use sqlite ; then
		eerror "You must select at least one database backend, by enabling"
		eerror "at least one of the 'mysql', 'postgres' or 'sqlite' USE flags."
		die "no database backend selected"
	fi

	# python has built-in sqlite support starting from 2.5
	if use sqlite && \
		has_version ">=dev-lang/python-2.5" && \
		! has_version ">=dev-python/pysqlite-2.3" && \
		! built_with_use dev-lang/python sqlite ; then
		eerror "To use the sqlite database backend, you must either:"
		eerror "- build dev-lang/python with sqlite support, using the 'sqlite'"
		eerror "  USE flag, or"
		eerror "- emerge dev-python/pysqlite"
		die "missing python sqlite support"
	fi

	if ! built_with_use dev-util/subversion python ; then
		built_with_use_error dev-util/subversion python
	fi

	if ! built_with_use dev-libs/clearsilver python ; then
		built_with_use_error dev-libs/clearsilver python
	fi

	ebegin "Creating tracd group and user"
	enewgroup tracd
	enewuser tracd -1 -1 -1 tracd
	eend ${?}

	webapp_pkg_setup
}

src_install () {
	# project environments might go in here
	keepdir /var/lib/trac

	webapp_src_preinst
	distutils_src_install

	dodoc AUTHORS INSTALL RELEASE THANKS UPGRADE
	rm ${D}/usr/share/doc/${P}/MANIFEST.in.gz
	rm ${D}/usr/share/doc/${P}/PKG-INFO.gz

	docinto contrib
	dodoc contrib/*

	# if needed, install cgi/fcgi scripts for webapp-config
	local my_dir=${D}/usr/share/trac
	if use cgi ; then
		mv ${my_dir}/cgi-bin/trac.cgi ${D}${MY_CGIBINDIR} || die
	fi
	if use fastcgi ; then
		mv ${my_dir}/cgi-bin/trac.fcgi ${D}${MY_CGIBINDIR} || die
	fi
	rm -rf ${my_dir}/cgi-bin || die

	for lang in en; do
		webapp_postinst_txt ${lang} ${FILESDIR}/postinst-${lang}.txt
	done

	# copy graphics, css & js
	cp -r htdocs/* ${D}/${MY_HTDOCSDIR}

	webapp_src_install

	newconfd "${FILESDIR}"/tracd.confd tracd
	newinitd "${FILESDIR}"/tracd.initd tracd
}