# Maintainer (Arch): Sébastien Luttringer <seblu@archlinux.org>
# Maintainer: André Silva <emulatorman@parabola.nu>
# Contributor: Luke Shumaker <lukeshu@sbcglobal.net>
# Contributor: Márcio Silva <coadde@parabola.nu>

_pkgdesc='Linux-libre kernel'
pkgbase=linux-libre-tools
_pkgname=(
  'cgroup_event_listener'
  'cpupower'
  'libtraceevent'
  'perf'
  'tmon'
  'turbostat'
  'usbip'
  'x86_energy_perf_policy'
)
pkgname=("${pkgbase}-meta" "${_pkgname[@]/#/${pkgbase}-}")

_pkgbasever=4.8-gnu
_pkgver=${_pkgbasever}

_srcname=linux-${_pkgbasever%-*}
_archpkgver=${_pkgver%-*}
pkgver=${_pkgver//-/_}
pkgrel=1
license=('GPL2')
arch=('i686' 'x86_64')
url='https://linux-libre.fsfla.org/'
options=('!strip')

makedepends=('asciidoc' 'xmlto')
# split packages need all package dependencies set manually in makedepends
declare -A _depends
_depends[perf]='perl python2 libnewt elfutils libunwind numactl audit'
_depends[cpupower]='pciutils'
_depends[usbip]='glib2 sysfsutils libsystemd'
makedepends+=(systemd) # libsystemd for runtime, systemd for make. IDK, it's what Arch does
_depends[tmon]='ncurses'
makedepends+=(${_depends[@]})

groups=("$pkgbase")
source=("https://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgbasever}/linux-libre-${_pkgbasever}.tar.xz"
        "https://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgbasever}/linux-libre-${_pkgbasever}.tar.xz.sign"
        #"https://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgver}/patch-${_pkgbasever}-${_pkgver}.xz"
        #"https://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgver}/patch-${_pkgbasever}-${_pkgver}.xz.sign"
        'cpupower.default'
        'cpupower.systemd'
        'cpupower.service'
        'usbipd.service'
        '01-cpupower-governor-fix.patch')
sha256sums=('d54e0f8a27e24f3666c19b395c19dba194635db26929c89e78ffa4b2b0e8ca3a'
            'SKIP'
            '4fa509949d6863d001075fa3e8671eff2599c046d20c98bb4a70778595cd1c3f'
            'd2e8e5e8b22c6089a91f573aa1c59e442a1f3b67a2c9f047abe3b57d3d6558cc'
            'fa2560630576464739ede14c9292249f4007f36a684bc378add174fc88394550'
            '2e187734d8aec58a3046d79883510d779aa93fb3ab20bd3132c1a607ebe5498f'
            '0952a7519d9ccd0254d5f384b9420eb8f7f64da3d13607b57b305ad79d6c2007')
validpgpkeys=(
              '474402C8C582DAFBE389C427BCB7CF877E7D47A7' # Alexandre Oliva
)

prepare() {
  cd $_srcname

  # add upstream patch
  if [ "${_pkgbasever}" != "${_pkgver}" ]; then
    patch -p1 -i "${srcdir}/patch-${_pkgbasever}-${_pkgver}"
  fi

  patch -N -p1 -i "$srcdir/01-cpupower-governor-fix.patch"
}

build() {
  msg2 'libtraceevent'
  pushd $_srcname/tools/lib/traceevent
  make
  popd

  msg2 'perf'
  pushd $_srcname/tools/perf
  make -f Makefile.perf \
    prefix=/usr \
    lib=lib/perf \
    perfexecdir=lib/perf \
    NO_SDT=1 \
    PYTHON=python2 \
    PYTHON_CONFIG=python2-config \
    PERF_VERSION=$pkgver-$pkgrel \
    all man
  popd

  msg2 'cpupower'
  pushd $_srcname/tools/power/cpupower
  # we cannot use --as-needed
  #LDFLAGS=${LDFLAGS:+"$LDFLAGS,--no-as-needed"}
  make VERSION=$pkgver-$pkgrel
  popd

  msg2 'x86_energy_perf_policy'
  pushd $_srcname/tools/power/x86/x86_energy_perf_policy
  make
  popd

  msg2 'usbip'
  pushd $_srcname/tools/usb/usbip
  ./autogen.sh
  ./configure --prefix=/usr --sbindir=/usr/bin
  make
  popd

  msg2 'tmon'
  pushd $_srcname/tools/thermal/tmon
  make
  popd

  msg2 'cgroup_event_listener'
  pushd $_srcname/tools/cgroup
  make
  popd

  msg2 'turbostat'
  pushd $_srcname/tools/power/x86/turbostat
  make
  popd
}

_package_meta() {
  pkgdesc="${_pkgdesc} tools meta package"
  groups=()
  depends=("${_pkgname[@]/#/${pkgbase}-}")
  replaces=(linux-tools-meta)
  conflicts=(linux-tools-meta acpidump)
  provides=(linux-tools-meta=$_archpkgver)
}

_package_libtraceevent() {
  pkgdesc="${_pkgdesc} trace event library"
  depends=('glibc')

  cd $_srcname/tools/lib/traceevent
  install -dm 755 "$pkgdir/usr/lib"
  install -m 644 libtraceevent.so "$pkgdir/usr/lib"
}

_package_perf() {
  pkgdesc="${_pkgdesc} performance auditing tool"
  depends=('binutils')
  optdepends=('gtk2: support GTK2 browser for perf report')

  cd $_srcname/tools/perf
  make -f Makefile.perf \
    prefix=/usr \
    lib=lib/perf \
    perfexecdir=lib/perf \
    NO_SDT=1 \
    PYTHON=python2 \
    PYTHON_CONFIG=python2-config \
    PERF_VERSION=$pkgver-$pkgrel \
    DESTDIR="$pkgdir" \
    install install-man
  cd "$pkgdir"
  # move completion in new directory
  install -Dm644 etc/bash_completion.d/perf usr/share/bash-completion/completions/perf
  rm -r etc
  # no exec on usr/share
  find usr/share -type f -exec chmod a-x {} \;
}

_package_cpupower() {
  pkgdesc="${_pkgdesc} tool to examine and tune power saving related features of your processor"
  backup=('etc/default/cpupower')
  depends=('bash')
  replaces=('cpufrequtils')
  conflicts=('cpufrequtils')
  install=cpupower.install

  pushd $_srcname/tools/power/cpupower
  make \
    DESTDIR="$pkgdir" \
    sbindir='/usr/bin' \
    mandir='/usr/share/man' \
    docdir='/usr/share/doc/cpupower' \
    install install-man
  popd
  # install startup scripts
  install -Dm 644 cpupower.default "$pkgdir/etc/default/cpupower"
  install -Dm 644 cpupower.service "$pkgdir/usr/lib/systemd/system/cpupower.service"
  install -Dm 755 cpupower.systemd "$pkgdir/usr/lib/systemd/scripts/cpupower"
}

_package_x86_energy_perf_policy() {
  pkgdesc='Read or write MSR_IA32_ENERGY_PERF_BIAS'
  depends=('glibc')

  cd $_srcname/tools/power/x86/x86_energy_perf_policy
  install -Dm 755 x86_energy_perf_policy "$pkgdir/usr/bin/x86_energy_perf_policy"
  install -Dm 644 x86_energy_perf_policy.8 "$pkgdir/usr/share/man/man8/x86_energy_perf_policy.8"
}

_package_usbip() {
  pkgdesc='An USB device sharing system over IP network'

  pushd $_srcname/tools/usb/usbip
  make install DESTDIR="$pkgdir"
  popd
  # module loading
  install -Dm 644 /dev/null "$pkgdir/usr/lib/modules-load.d/$pkgname.conf"
  printf 'usbip-core\nusbip-host\n' > "$pkgdir/usr/lib/modules-load.d/$pkgname.conf"
  # systemd
  install -Dm 644 usbipd.service "$pkgdir/usr/lib/systemd/system/usbipd.service"
}

_package_tmon() {
  pkgdesc="Monitoring and Testing Tool for ${_pkgdesc} thermal subsystem"
  depends=('glibc')

  cd $_srcname/tools/thermal/tmon
  make install INSTALL_ROOT="$pkgdir"
}

_package_cgroup_event_listener() {
  pkgdesc='Simple listener of cgroup events'
  depends=('glibc')

  cd $_srcname/tools/cgroup
  install -Dm755 cgroup_event_listener "$pkgdir/usr/bin/cgroup_event_listener"
}

_package_turbostat() {
  pkgdesc='Report processor frequency and idle statistics'
  depends=('glibc')

  cd $_srcname/tools/power/x86/turbostat
  make install DESTDIR="$pkgdir"
}

eval "package_${pkgbase}-meta() { _package_meta; }"
for _p in "${_pkgname[@]}"; do
  eval "
    package_${pkgbase}-${_p}() {
      _package_${_p}
      depends+=(${_depends[${_p}]})
      replaces+=("${_p}" "${_p}-libre" "${_p}-parabola" ${pkgbase}_${_p})
      conflicts+=("${_p}" "${_p}-libre" "${_p}-parabola" ${pkgbase}_${_p})
      provides+=(${_p}=${_archpkgver})
    }"
done

# vim:set ts=2 sw=2 et: