--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit systemd toolchain-funcs
+
+if [[ ${PV} == "9999" ]]; then
+ inherit git-r3
+ EGIT_REPO_URI="https://roy.marples.name/git/dhcpcd.git"
+else
+ MY_P="${P/_alpha/-alpha}"
+ MY_P="${MY_P/_beta/-beta}"
+ MY_P="${MY_P/_rc/-rc}"
+ SRC_URI="https://roy.marples.name/downloads/${PN}/${MY_P}.tar.xz"
+ KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux"
+ S="${WORKDIR}/${MY_P}"
+fi
+
+DESCRIPTION="A fully featured, yet light weight RFC2131 compliant DHCP client"
+HOMEPAGE="https://roy.marples.name/projects/dhcpcd"
+LICENSE="BSD-2"
+SLOT="0"
+IUSE="elibc_glibc +embedded ipv6 kernel_linux +udev"
+
+COMMON_DEPEND="udev? ( virtual/udev )"
+DEPEND="${COMMON_DEPEND}"
+RDEPEND="${COMMON_DEPEND}"
+
+src_configure() {
+ local myeconfargs=(
+ --dbdir="${EPREFIX}/var/lib/dhcpcd"
+ --libexecdir="${EPREFIX}/lib/dhcpcd"
+ --localstatedir="${EPREFIX}/var"
+ --prefix="${EPREFIX}"
+ --with-hook=ntp.conf
+ $(use_enable embedded)
+ $(use_enable ipv6)
+ $(usex elibc_glibc '--with-hook=yp.conf' '')
+ $(usex kernel_linux '--rundir=${EPREFIX}/run' '')
+ $(usex udev '' '--without-dev --without-udev')
+ CC="$(tc-getCC)"
+ )
+ econf "${myeconfargs[@]}"
+}
+
+src_install() {
+ default
+ keepdir /var/lib/dhcpcd
+ newinitd "${FILESDIR}"/${PN}.initd ${PN}
+ systemd_dounit "${FILESDIR}"/${PN}.service
+}
+
+pkg_postinst() {
+ local dbdir="${EROOT}"/var/lib/dhcpcd old_files=()
+
+ local old_old_duid="${EROOT}"/var/lib/dhcpcd/dhcpcd.duid
+ local old_duid="${EROOT}"/etc/dhcpcd.duid
+ local new_duid="${dbdir}"/duid
+ if [[ -e "${old_old_duid}" ]] ; then
+ # Upgrade the duid file to the new format if needed
+ if ! grep -q '..:..:..:..:..:..' "${old_old_duid}"; then
+ sed -i -e 's/\(..\)/\1:/g; s/:$//g' "${old_old_duid}"
+ fi
+
+ # Move the duid to /etc, a more sensible location
+ if [[ ! -e "${old_duid}" ]] ; then
+ cp -p "${old_old_duid}" "${new_duid}"
+ fi
+ old_files+=( "${old_old_duid}" )
+ fi
+
+ # dhcpcd-7 moves the files out of /etc
+ if [[ -e "${old_duid}" ]] ; then
+ if [[ ! -e "${new_duid}" ]] ; then
+ cp -p "${old_duid}" "${new_duid}"
+ fi
+ old_files+=( "${old_duid}" )
+ fi
+ local old_secret="${EROOT}"/etc/dhcpcd.secret
+ local new_secret="${dbdir}"/secret
+ if [[ -e "${old_secret}" ]] ; then
+ if [[ ! -e "${new_secret}" ]] ; then
+ cp -p "${old_secret}" "${new_secret}"
+ fi
+ old_files+=( "${old_secret}" )
+ fi
+
+ # dhcpcd-7 renames some files in /var/lib/dhcpcd
+ local old_rdm="${dbdir}"/dhcpcd-rdm.monotonic
+ local new_rdm="${dbdir}"/rdm_monotonic
+ if [[ -e "${old_rdm}" ]] ; then
+ if [[ ! -e "${new_rdm}" ]] ; then
+ cp -p "${old_rdm}" "${new_rdm}"
+ fi
+ old_files+=( "${old_rdm}" )
+ fi
+ local lease=
+ for lease in "${dbdir}"/dhcpcd-*.lease*; do
+ [[ -f "${lease}" ]] || continue
+ old_files+=( "${lease}" )
+ local new_lease=$(basename "${lease}" | sed -e "s/dhcpcd-//")
+ [[ -e "${dbdir}/${new_lease}" ]] && continue
+ cp "${lease}" "${dbdir}/${new_lease}"
+ done
+
+ # Warn about removing stale files
+ if [[ -n "${old_files[@]}" ]] ; then
+ elog
+ elog "dhcpcd-7 has copied dhcpcd.duid and dhcpcd.secret from"
+ elog "${EROOT}/etc to ${dbdir}"
+ elog "and copied leases in ${dbdir} to new files with the dhcpcd-"
+ elog "prefix dropped."
+ elog
+ elog "You should remove these files if you don't plan on reverting"
+ elog "to an older version:"
+ local old_file=
+ for old_file in ${old_files[@]}; do
+ elog " ${old_file}"
+ done
+ fi
+
+ if [ -z "${REPLACING_VERSIONS}" ]; then
+ elog
+ elog "dhcpcd has zeroconf support active by default."
+ elog "This means it will always obtain an IP address even if no"
+ elog "DHCP server can be contacted, which will break any existing"
+ elog "failover support you may have configured in your net configuration."
+ elog "This behaviour can be controlled with the noipv4ll configuration"
+ elog "file option or the -L command line switch."
+ elog "See the dhcpcd and dhcpcd.conf man pages for more details."
+
+ elog
+ elog "Dhcpcd has duid enabled by default, and this may cause issues"
+ elog "with some dhcp servers. For more information, see"
+ elog "https://bugs.gentoo.org/show_bug.cgi?id=477356"
+ fi
+
+ if ! has_version net-dns/bind-tools; then
+ elog
+ elog "If you activate the lookup-hostname hook to look up your hostname"
+ elog "using the dns, you need to install net-dns/bind-tools."
+ fi
+}
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