# maintainer: Samir Benmendil <ram-z[at]chakra-project[dot]org>

pkgbase=dhcp
pkgname=('dhcp' 'dhclient')

# separate patch levels with a period to maintain proper versioning.
pkgver=4.3.5
_pkgver=4.3.5
pkgrel=1
arch=('x86_64')
license=('custom:isc-dhcp')
url="https://www.isc.org/software/dhcp"
makedepends=('bash' 'iproute2')
source=(ftp://ftp.isc.org/isc/${pkgbase}/${_pkgver}/${pkgbase}-${_pkgver}.tar.gz{,.asc}
        dhcpd4.service
        dhcpd6.service
        dhcp-4.3.1-client_script-1.patch
        dhcp-4.3.1-missing_ipv6-1.patch
        arch_patch_over_lfs.patch)
md5sums=('2b5e5b2fa31c2e27e487039d86f83d3f'
         'SKIP'
         '22579cc6ce2b71383f817b0564c44c4d'
         'a03765a91fda3f139229dd82ea372f8f'
         'c02bddb6c6c33c5885e3dd072ee2ee40'
         'da655f02f1cf4d95b4708e84e69edbc8'
         'ea45057374098b8ff7e140ecedf7696a')
options=('emptydirs')
validpgpkeys=('ADBE9446286C794905F1E0756FA6EBC9911A4C02')

prepare() {
  cd "${srcdir}/${pkgbase}-${_pkgver}"

  # Define _GNU_SOURCE to fix IPV6.
  sed '/^CFLAGS="$CFLAGS/ s/INGS"/INGS -D_GNU_SOURCE"/' -i configure

  # Apply patches from LSF
  # Make not having ipv6 non-fatal.
  patch -Np1 -i ../dhcp-4.3.1-missing_ipv6-1.patch
  # Make dhcp client script suck less.
  patch -Np1 -i ../dhcp-4.3.1-client_script-1.patch

  # Apply Arch-specific patches over LFS changes
  patch -Np1 -i ../arch_patch_over_lfs.patch
}

build() {
  cd "${srcdir}/${pkgbase}-${_pkgver}"
  ./configure --prefix=/usr --sbindir=/usr/bin --sysconfdir=/etc \
      --with-srv-lease-file=/var/lib/dhcp/dhcpd.leases \
      --with-srv6-lease-file=/var/lib/dhcp/dhcpd6.leases \
      --with-cli-lease-file=/var/lib/dhclient/dhclient.leases \
      --with-cli6-lease-file=/var/lib/dhclient/dhclient6.leases

  make -j1
}

package_dhcp(){
  pkgdesc="A DHCP server, client, and relay agent"
  depends=('glibc')
  backup=('etc/dhcpd.conf')
  install=dhcp.install

  cd "${srcdir}/${pkgbase}-${_pkgver}"
  make DESTDIR="${pkgdir}" install

  install -d "${pkgdir}/var/lib/dhcp"

  install -D -m644 "${srcdir}/dhcpd4.service" "${pkgdir}/usr/lib/systemd/system/dhcpd4.service"
  install -D -m644 "${srcdir}/dhcpd6.service" "${pkgdir}/usr/lib/systemd/system/dhcpd6.service"

  # move back to config. This file is in backup array, so pacman will not overwrite a changed config.
  mv "${pkgdir}/etc/dhcpd.conf.example" "${pkgdir}/etc/dhcpd.conf"

  # Remove dhclient
  make -C client DESTDIR="${pkgdir}" uninstall

  # install license
  install -m644 -D LICENSE "${pkgdir}/usr/share/licenses/dhcp/LICENSE"
}

package_dhclient(){
  pkgdesc="A standalone DHCP client from the dhcp package"
  depends=('glibc' 'bash' 'iproute2')
  provides=('dhcp-client')

  cd "${srcdir}/${pkgbase}-${_pkgver}"
  make -C client DESTDIR="${pkgdir}" install

  install -m755 -d "${pkgdir}/usr/share/dhclient"
  mv "${pkgdir}/etc/dhclient.conf.example" "${pkgdir}/usr/share/dhclient/"

  install -d "${pkgdir}/var/lib/dhclient"

  # install dhclient linux script
  install -m755 client/scripts/linux "${pkgdir}/usr/bin/dhclient-script"

  # install license
  install -m644 -D LICENSE "${pkgdir}/usr/share/licenses/dhclient/LICENSE"
}