https://forums.gentoo.org/viewtopic-t-558943-highlight-onlydeps.html

sql-ledger-2.8.32.ebuild

# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

use onlydeps || inherit webapp

DESCRIPTION="SQL based, powerful small business accounting system"
SRC_URI="http://www.sql-ledger.com/source/${P}.tar.gz"
HOMEPAGE="http://www.sql-ledger.com/"

# This ebuild exists largely to allow Gentoo to pull in all 
# the needed dependencies. The rest of it is based on extracting
# the necessary steps from SQL-Ledger's setup.pl and README.

LICENSE="GPL"
KEYWORDS="x86 ppc"
IUSE="onlydeps"

RDEPEND="${DEPEND}
	dev-perl/libwww-perl
	>=dev-lang/perl-5
	>=dev-db/postgresql-server-7.1
	dev-perl/DBI
	dev-perl/DBD-Pg
	www-servers/apache
	app-text/texlive"

RESTRICT="
	onlydeps? ( fetch )"

S="${WORKDIR}/sql-ledger"

pkg_setup() {
	use onlydeps || webapp_pkg_setup
}

src_unpack() {
	use onlydeps || unpack ${A}
}

src_compile() {
	# do we want to do something with sql-ledger.conf.default?
	echo
}

src_install() {
	use onlydeps && return

	webapp_src_preinst

	# handle documentation files
	#
	# NOTE that doc files go into /usr/share/doc as normal; they do NOT
	# get installed per vhost!

	einfo "Installing docs"
	dodoc doc/*

	einfo "Copying main files"
	cp sql-ledger.conf.default sql-ledger.conf
	cp -r . ${D}/${MY_HTDOCSDIR}
	rm -rf ${D}/${MY_HTDOCSDIR}/doc

	einfo "Setting Server Ownership"
	# Files which must be server owned
	for so in `find users css templates spool`; do
		webapp_serverowned ${MY_HTDOCSDIR}/${so}
	done

	einfo "Marking Config Files"
	#Config files
	webapp_configfile ${MY_HTDOCSDIR}/sql-ledger.conf

	keepdir ${MY_HTDOCSDIR}/spool

	webapp_postinst_txt en ${FILESDIR}/postinstall-en.txt

	webapp_src_install
}