# 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

# The prepare function is executed in the root of the temp directory
# This function is used for putting downloaded files to the correct location or applying patches
prepare() {
  # Decompress unifont file to source directory
  gunzip -c unifont.bdf.gz > "$BPM_SOURCE"/unifont.bdf
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  unset {C,CPP,CXX,LD}FLAGS

  # Add missing file
  echo depends bli part_gpt > grub-core/extra_deps.lst

  # Fix dejavu font directory
  sed 's|/usr/share/fonts/dejavu|/usr/share/fonts/dejavu /usr/share/fonts/TTF|g' -i "configure.ac"

  autoreconf -fi
  ./configure --prefix=/usr          \
              --sysconfdir=/etc      \
              --disable-efiemu       \
              --disable-werror       \
              --with-platform=efi    \
              --target=x86_64
  make
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  make DESTDIR="$BPM_OUTPUT" install

  #Install font data files
  install -Dm644 ascii.h widthspec.h *.pf2 "$BPM_OUTPUT"/usr/share/grub/

  # Install bash completions
  install -dm755 "$BPM_OUTPUT"/usr/share/bash-completion/completions/
  mv "$BPM_OUTPUT"/etc/bash_completion.d/grub "$BPM_OUTPUT"/usr/share/bash-completion/completions

  # Install grub default file
  install -Dm644 "$BPM_WORKDIR"/grub.default "$BPM_OUTPUT"/etc/default/grub

  # Install update-grub script
  install -Dm755 "$BPM_WORKDIR"/update-grub.sh "$BPM_OUTPUT"/usr/sbin/update-grub

  # Install BPM hook
  install -Dm644 "$BPM_WORKDIR"/20-grub.bpmhook "$BPM_OUTPUT"/var/lib/bpm/hooks/20-grub.bpmhook

  # Install package license
  install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/grub/COPYING
}