Example ebuild to show which groups the portage user is in at specific points.

portagegrouptest-0.1.ebuild (text/plain), 633 bytes, created by Sascha G. on 2006-07-01 13:59:07 UTC

# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

DESCRIPTION=""

HOMEPAGE=""
SRC_URI=""

LICENSE=""
SLOT="0"
KEYWORDS="~x86"
IUSE=""

DEPEND=""
RDEPEND=""

pkg_setup() {

	echo PKG_SETUP
	echo ID-g=$(id -gn)
	echo ID-G=$(id -Gn)
	echo GROUPS=$(groups)
}

src_unpack() {

	echo SRC_UNPACK
	echo ID-g=$(id -gn)
	echo ID-G=$(id -Gn)
	echo GROUPS=$(groups)
}

src_compile() {

	echo SRC_COMPILE
	echo ID-g=$(id -gn)
	echo ID-G=$(id -Gn)
	echo GROUPS=$(groups)
}

src_install() {

	echo SRC_INSTALL
	echo ID-g=$(id -gn)
	echo ID-G=$(id -Gn)
	echo GROUPS=$(groups)
}