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

pkg.info

@@ -1,10 +1,22 @@
 name: tumbler
 description: D-Bus service for applications to request thumbnails for various URI schemes and MIME types
 version: 4.21.0
+revision: 2
 url: https://docs.xfce.org/xfce/tumbler/start
 license: GPL2-or-later
 architecture: any
-depends: ["gdk-pixbuf","libxfce4util"]
-optional_depends: ["freetype2"]
-make_depends: ["freetype2","meson","python3"]
 type: source
+depends:
+  - gdk-pixbuf
+  - libxfce4util
+optional_depends:
+  - freetype2
+make_depends:
+  - freetype2
+  - meson
+  - python3
+downloads:
+  - url: https://gitlab.xfce.org/xfce/tumbler/-/archive/tumbler-${BPM_PKG_VERSION}/tumbler-tumbler-${BPM_PKG_VERSION}.tar.gz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: be8f2a001a2695f6a8b027a7697c98d542da0f2dcc7c34cb25b1b1e5ecac406f

source.sh

@@ -2,32 +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://gitlab.xfce.org/xfce/tumbler/-/archive/tumbler-${BPM_PKG_VERSION}/tumbler-tumbler-${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"
-}
-
 # 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
-  meson compile
+  meson setup --prefix=/usr 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
-  
-  meson install --destdir="$BPM_OUTPUT"
+  meson install -C build --destdir="$BPM_OUTPUT"
 
+  # Remove systemd directory
+  rm -r "$BPM_OUTPUT"/usr/lib/systemd
+
+  # Install package license
   install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/tumbler/COPYING
 }