# Maintainer: Eric Bélanger <eric@archlinux.org>
# Maintainer: Thomas Bächler <thomas@archlinux.org>

pkgbase=lvm2
pkgname=('lvm2' 'device-mapper')
_tag='fba794b52541452da9131af594f5cd0fa7affb6d' # git rev-parse v${pkgver//./_}
pkgver=2.03.18
pkgrel=4
arch=('x86_64')
url='https://sourceware.org/lvm2/'
license=('GPL2' 'LGPL2.1')
makedepends=('git' 'systemd' 'libaio' 'thin-provisioning-tools')
options=('!debug')
validpgpkeys=('88437EF5C077BD113D3B7224228191C1567E2C17'  # Alasdair G Kergon <agk@redhat.com>
              'D501A478440AE2FD130A1BE8B9112431E509039F') # Marian Csontos <marian.csontos@gmail.com>
source=("git+https://sourceware.org/git/lvm2.git#tag=${_tag}?signed"
        '0001-udev-initcpio.patch'
        'lvm2_install'
        '11-dm-initramfs.rules')
sha256sums=('SKIP'
            'e9ab9207b805cab702a666a2deb754583e6acd4c46973898ebb4170b563f0eec'
            '8870091ef70b5ea18b18bfcc770f8bda7dcd9d7cc2cc4fe5e4c3ac1f35bbb66a'
            'e10f24b57582d6e2da71f7c80732a62e0ee2e3b867fe84591ccdb53e80fa92e0')

_backports=(
)

prepare() {
  cd lvm2/

  local _c
  for _c in "${_backports[@]}"; do
    git log --oneline -1 "${_c}"
    git show "${_c}" -- ':(exclude)WHATS_NEW' | git apply
  done

  # prepare for non-systemd initcpio
  patch -Np1 --output='udev/69-dm-lvm-initcpio.rules.in' < ../0001-udev-initcpio.patch

  # remove install section from systemd units that are enabled by default
  sed -i -e '/^\[Install\]$/,$d' \
    scripts/dm_event_systemd_red_hat.socket.in \
    scripts/lvm2_lvmpolld_systemd_red_hat.socket.in \
    scripts/lvm2_monitoring_systemd_red_hat.service.in
}

build() {
  # build system requires bash:
  # https://www.redhat.com/archives/linux-lvm/2020-January/msg00004.html
  # https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Defining-Variables.html
  export CONFIG_SHELL=/bin/bash

  cd lvm2/

  ./configure \
    CONFIG_SHELL=/bin/bash \
    --prefix=/usr \
    --sbindir=/usr/bin \
    --sysconfdir=/etc \
    --localstatedir=/var \
    --enable-cmdlib \
    --enable-dmeventd \
    --enable-lvmpolld \
    --enable-pkgconfig \
    --enable-readline \
    --enable-udev_rules \
    --enable-udev_sync \
    --with-cache=internal \
    --with-default-dm-run-dir=/run \
    --with-default-locking-dir=/run/lock/lvm \
    --with-default-pid-dir=/run \
    --with-default-run-dir=/run/lvm \
    --with-systemdsystemunitdir=/usr/lib/systemd/system \
    --with-thin=internal \
    --with-udev-prefix=/usr
  make

  make -C udev/ 69-dm-lvm-initcpio.rules
}

package_device-mapper() {
  pkgdesc="Device mapper userspace library and tools"
  url="http://sourceware.org/dm/"
  depends=('glibc' 'systemd-libs' 'libudev.so')
  provides=('libdevmapper.so'
    'libdevmapper-event.so')

  cd lvm2/

  make DESTDIR="${pkgdir}" install_device-mapper
  # extra udev rule for device-mapper in initramfs
  install -D -m0644 "${srcdir}/11-dm-initramfs.rules" "${pkgdir}/usr/lib/initcpio/udev/11-dm-initramfs.rules"
  # Install dmeventd socket and service
  make DESTDIR="${pkgdir}" install_systemd_units
  rm -f "${pkgdir}/usr/lib/systemd/system/"{blk-availability.service,lvm2-*}
  install -d -m0755 "${pkgdir}/usr/lib/systemd/system/sockets.target.wants"
  ln -sf ../dm-event.socket "${pkgdir}/usr/lib/systemd/system/sockets.target.wants/dm-event.socket"
}

package_lvm2() {
  pkgdesc="Logical Volume Manager 2 utilities"
  depends=('bash' "device-mapper>=${pkgver}" 'systemd-libs'
    'libudev.so' 'util-linux-libs' 'libblkid.so' 'readline' 'libreadline.so'
    'thin-provisioning-tools' 'libaio' 'libaio.so')
  conflicts=('lvm' 'mkinitcpio<0.7')
  backup=('etc/lvm/lvm.conf'
    'etc/lvm/lvmlocal.conf')

  cd lvm2/

  make DESTDIR="${pkgdir}" install_lvm2
  # /etc directories
  install -d "${pkgdir}"/etc/lvm/{archive,backup}
  # mkinitcpio hook
  install -D -m0644 "${srcdir}/lvm2_install" "${pkgdir}/usr/lib/initcpio/install/lvm2"
  ln -s lvm2 "${pkgdir}/usr/lib/initcpio/install/sd-lvm2"
  # extra udev rule for non-systemd initramfs
  install -D -m0644 udev/69-dm-lvm-initcpio.rules "${pkgdir}/usr/lib/initcpio/udev/69-dm-lvm.rules"
  # systemd support
  make DESTDIR="${pkgdir}" install_systemd_units
  rm -f "${pkgdir}/usr/lib/systemd/system/"dm-*
  install -d -m0755 "${pkgdir}/usr/lib/systemd/system/sysinit.target.wants"
  ln -sf ../lvm2-lvmpolld.socket "${pkgdir}/usr/lib/systemd/system/sysinit.target.wants/lvm2-lvmpolld.socket"
  ln -sf ../lvm2-monitor.service "${pkgdir}/usr/lib/systemd/system/sysinit.target.wants/lvm2-monitor.service"
  make DESTDIR="${pkgdir}" install_systemd_generators
}