#!/usr/bin/bash
# JOBoRun		: Jwm OpenBox Obarun RUNit
# Maintainer		: Joe Bo Run <joborun@disroot.org>
# PkgSource		: url="https://gittea.disroot.org/joborun/jobcore/$pkgname"
#-----------------------------------------| DESCRIPTION |---------------------------------------

pkgbase=linux-firmware
pkgname=(linux-firmware amd-ucode)
#_tag=20211027
_tag=20190923
#pkgver=20211027.1d00989
pkgver=20190923.417a9c6

pkgrel=01
pkgdesc="Firmware files for Linux"
url="https://git.kernel.org/?p=linux/kernel/git/firmware/linux-firmware.git;a=summary"
arch=('any')
makedepends=('git')
options=(!strip)
source=("git+https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git#tag=${_tag}?signed")

_backports=(
)

prepare() {
  cd ${pkgname}

  local _c
  for _c in "${_backports[@]}"; do
    git log --oneline -1 "${_c}"
    git cherry-pick -n "${_c}"
  done
}

pkgver() {
  cd ${pkgname}

  # Commit date + short rev
  echo $(TZ=UTC git show -s --pretty=%cd --date=format-local:%Y%m%d HEAD).$(git rev-parse --short HEAD)
}

build() {
  mkdir -p kernel/x86/microcode
  cat ${pkgbase}/amd-ucode/microcode_amd*.bin > kernel/x86/microcode/AuthenticAMD.bin

  # Reproducibility: set the timestamp on the bin file
  if [[ -n ${SOURCE_DATE_EPOCH} ]]; then 
    touch -d @${SOURCE_DATE_EPOCH} kernel/x86/microcode/AuthenticAMD.bin
  fi

  # Reproducibility: strip the inode and device numbers from the cpio archive
  echo kernel/x86/microcode/AuthenticAMD.bin |
    bsdtar --uid 0 --gid 0 -cnf - -T - |
    bsdtar --null -cf - --format=newc @- > amd-ucode.img
}

package_linux-firmware() {
  cd ${pkgname}

  make DESTDIR="${pkgdir}" FIRMWAREDIR=/usr/lib/firmware install

  # Trigger a microcode reload for configurations not using early updates
  echo 'w /sys/devices/system/cpu/microcode/reload - - - - 1' |
    install -Dm644 /dev/stdin "${pkgdir}/usr/lib/tmpfiles.d/${pkgname}.conf"

  install -Dt "${pkgdir}/usr/share/licenses/${pkgname}" -m644 LICEN* WHENCE
}

package_amd-ucode() {
  pkgdesc="Microcode update image for AMD CPUs"
  license=(custom)

  install -Dt "${pkgdir}/boot" -m644 amd-ucode.img

  install -Dt "${pkgdir}/usr/share/licenses/${pkgname}" -m644 ${pkgbase}/LICENSE.amd-ucode
}

#---- license gpg-key sha256sums ----

license=('GPL2' 'GPL3' 'custom')

validpgpkeys=('4CDE8575E547BF835FE15807A31B6BD72486CFD6') # Josh Boyer <jwboyer@fedoraproject.org>

sha256sums=(SKIP)