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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI="5"

COMPRESSTYPE=".bz2"
K_USEPV="yes"
UNIPATCH_STRICTORDER="yes"
K_SECURITY_UNSUPPORTED="1"

CKV="${PV/_p[0-9]*}"
ETYPE="sources"
inherit kernel-2
detect_version
K_NOSETEXTRAVERSION="don't_set_it"

DESCRIPTION="Linux kernel fork with new features (-ck patchset (BFS), BFQ, TuxOnIce and UKSM)"
HOMEPAGE="http://pf.natalenko.name/"

PF_PATCHSET="${PV/*_p}"
PF_KERNEL="${PV/_p[0-9]*}"
PF_KERNEL="${PF_KERNEL/_/-}"
PF_FILE="patch-${PF_KERNEL}-pf${PF_PATCHSET}${COMPRESSTYPE}"
PF_URI="http://pf.natalenko.name/sources/$(get_version_component_range 1-3)/${PF_FILE}"
EXPERIMENTAL_PATCHES=(
	# http://ck-hack.blogspot.com/2010/11/create-task-groups-by-tty-comment.html
	http://ck.kolivas.org/patches/bfs/bfs357-penalise_fork_depth_account_threads.patch
)
EXPERIMENTAL_URI="
	experimental? (
		${EXPERIMENTAL_PATCHES[@]}
	)
"
SRC_URI="${KERNEL_URI} ${PF_URI} ${EXPERIMENTAL_URI}"

KEYWORDS="-* ~amd64 ~ppc ~ppc64 ~x86"
IUSE="experimental"

KV_FULL="${PVR/_p/-pf}"
S="${WORKDIR}"/linux-"${KV_FULL}"

pkg_setup(){
	ewarn
	ewarn "${PN} is *not* supported by the Gentoo Kernel Project in any way."
	ewarn "If you need support, please contact the pf developers directly."
	ewarn "Do *not* open bugs in Gentoo's bugzilla unless you have issues with"
	ewarn "the ebuilds. Thank you."
	ewarn
	kernel-2_pkg_setup
}

src_prepare(){
	epatch "${DISTDIR}"/"${PF_FILE}"
	if use experimental; then
		for patch in ${EXPERIMENTAL_PATCHES[@]}; do
			epatch "${DISTDIR}"/"${patch/*\/}"
		done
	fi
}

K_EXTRAEINFO="For more info on pf-sources and details on how to report problems, see: \
${HOMEPAGE}."