#
# Copyright 2023 Google LLC
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# version 2 as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#

EAPI=7

inherit systemd toolchain-funcs

DESCRIPTION="Service to preload large binaries to speed up boot"

LICENSE="Apache-2.0"
SLOT="0"
KEYWORDS="*"
IUSE=""

DEPEND=""
RDEPEND="${DEPEND}
	sys-apps/systemd
"

S=${WORKDIR}

src_unpack() {
	mkdir "${S}"
	cp "${FILESDIR}/warm-up-elf.c" "${S}/"
}

src_compile() {
	$(tc-getCC) ${CFLAGS} ${CPPFLAGS} -o warm-up-elf warm-up-elf.c -lsystemd ||
		die "Unable to compile warm-up-elf tool."
}

src_install() {
	exeinto /usr/bin/
	doexe warm-up-elf
	systemd_dounit "${FILESDIR}"/warm-up.service
	systemd_enable_service sysinit.target warm-up.service
}