# 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() {
  cd "$BPM_SOURCE"
  NOCONFIGURE=1 ./autogen.sh
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  ./configure --prefix=/usr \
              --sysconfdir=/etc \
              --localstatedir=/var \
              --disable-static \
              --enable-btrfs \
              --enable-lvm2

  # prevent overlinking due to libtool
  sed -i -e 's/ -shared / -Wl,-O1,--as-needed\0/g' libtool

  make
}

# The check function is executed in the source directory
# This function is used to run tests to verify the package has been compiled correctly
check() {
  make check
}

_pick() {
  local p="$1" f d; shift
  for f; do
    [ -d "$BPM_WORKDIR"/output_"$p" ] || { echo "Split package $p not found"; exit 1; } 
    d="$BPM_WORKDIR"/output_"$p"/"${f#$BPM_OUTPUT}"
    mkdir -p "$(dirname "$d")"
    mv "$f" "$d"
    rmdir -p --ignore-fail-on-non-empty "$(dirname "$f")"
  done
}

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

  cd "$BPM_OUTPUT"

  # Move btrfs files into split package
  _pick udisks-btrfs usr/lib/udisks2/modules/libudisks2_btrfs.so
  _pick udisks-btrfs usr/lib/pkgconfig/udisks2-btrfs.pc
  _pick udisks-btrfs usr/share/polkit-1/actions/org.freedesktop.UDisks2.btrfs.policy

  # Move lvm files into split package
  _pick udisks-lvm usr/lib/udisks2/modules/libudisks2_lvm2.so
  _pick udisks-lvm usr/lib/pkgconfig/udisks2-lvm2.pc
  _pick udisks-lvm usr/share/polkit-1/actions/org.freedesktop.UDisks2.lvm2.policy

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

package_udisks-btrfs() {
  # Install package license
  install -d "$BPM_OUTPUT"/usr/share/licenses/
  ln -sf udisks "$BPM_OUTPUT"/usr/share/licenses/udisks-btrfs
}

package_udisks-lvm() {
  # Install package license
  install -d "$BPM_OUTPUT"/usr/share/licenses/
  ln -sf udisks "$BPM_OUTPUT"/usr/share/licenses/udisks-lvm
}