Switch to new download format, update source.sh script and remove systemd directory

source.sh

@@ -2,38 +2,21 @@
 # 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://github.com/flatpak/xdg-desktop-portal-gtk/releases/download/${BPM_PKG_VERSION}/xdg-desktop-portal-gtk-${BPM_PKG_VERSION}.tar.xz"
-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"
-}
-
 # The build function is executed in the source directory
 # This function is used to compile the source code
 build() {
-  mkdir build
-  cd build
-
-  meson setup --prefix=/usr --buildtype=release -Dwallpaper=disabled  ..
-  ninja
-}
-
-# 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() {
-  cd build
-  ninja test
+  meson setup --prefix=/usr --buildtype=release -Dwallpaper=disabled build
+  meson compile -C build
 }
 
 # The package function is executed in the source directory
 # This function is used to move the compiled files into the output directory
 package() {
-  cd build
-  DESTDIR="$BPM_OUTPUT" ninja install
+  meson install -C build --destdir="$BPM_OUTPUT"
 
+  # Remove systemd
+  rm -r "$BPM_OUTPUT"/usr/lib
+
+  # Install package license
   install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/xdg-desktop-portal-gtk/COPYING
 }