# This is the source.sh script. It is executed by BPM in a temporary directory when compiling a source package
# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT

DOWNLOAD="https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/snapshot/linux-firmware-${BPM_PKG_VERSION}.tar.gz"
FILENAME="${DOWNLOAD##*/}"

# The prepare function is executed in the root of the temp directory
# This function is used for downloading files and putting them into the correct location
prepare() {
  wget "$DOWNLOAD"
  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
}

build() {
  mkdir -p temp/usr/share/licenses/linux-firmware/
  make install FIRMWAREDIR=/usr/lib/firmware/ DESTDIR="$BPM_SOURCE"/temp
  cp LICENSE* "$BPM_SOURCE"/temp/usr/share/licenses/linux-firmware/
  cp LICENCE* "$BPM_SOURCE"/temp/usr/share/licenses/linux-firmware/
}

# Function for packaging AMD CPU and GPU microcode
package-linux-firmware-amd() {
  mkdir -p "$BPM_OUTPUT"/usr/share/licenses/linux-firmware/amd/
  mkdir -p "$BPM_OUTPUT"/usr/lib/firmware/
  cd "$BPM_SOURCE"/temp
  mv usr/lib/firmware/amd* "$BPM_OUTPUT"/usr/lib/firmware/
  mv usr/lib/firmware/radeon "$BPM_OUTPUT"/usr/lib/firmware/
  mv usr/share/licenses/linux-firmware/LICENSE.amdgpu "$BPM_OUTPUT"/usr/share/licenses/linux-firmware/amd/
  mv usr/share/licenses/linux-firmware/LICENSE.amd-ucode "$BPM_OUTPUT"/usr/share/licenses/linux-firmware/amd/
  mv usr/share/licenses/linux-firmware/LICENSE.radeon "$BPM_OUTPUT"/usr/share/licenses/linux-firmware/amd/
  mkdir -p "$BPM_OUTPUT"/usr/lib/dracut/dracut.conf.d
  echo "early_microcode=yes" >> "$BPM_OUTPUT"/usr/lib/dracut/dracut.conf.d/amd_ucode.conf
}

# Function for packaging Intel CPU and GPU microcode
package-linux-firmware-intel() {
  mkdir -p "$BPM_OUTPUT"/usr/share/licenses/linux-firmware/intel/
  mkdir -p "$BPM_OUTPUT"/usr/lib/firmware/
  cd "$BPM_SOURCE"/temp
  mv usr/lib/firmware/i915 "$BPM_OUTPUT"/usr/lib/firmware/
  mv usr/share/licenses/linux-firmware/LICENSE.i915 "$BPM_OUTPUT"/usr/share/licenses/linux-firmware/intel/
}

# Function for packaging GPU Nvidia microcode
package-linux-firmware-nvidia() {
  mkdir -p "$BPM_OUTPUT"/usr/share/licenses/linux-firmware/nvidia/
  mkdir -p "$BPM_OUTPUT"/usr/lib/firmware/
  cd "$BPM_SOURCE"/temp
  mv usr/lib/firmware/nvidia "$BPM_OUTPUT"/usr/lib/firmware/
  mv usr/share/licenses/linux-firmware/LICENCE.nvidia "$BPM_OUTPUT"/usr/share/licenses/linux-firmware/nvidia
}