Update package version to 4.20.2

source.sh

@@ -2,37 +2,22 @@
 # 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.gnome.org/GNOME/gtk/-/archive/${BPM_PKG_VERSION}/gtk-${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           \
               --buildtype=release     \
               -Dbroadway-backend=true \
               -Dintrospection=enabled \
               -Dvulkan=enabled        \
-              -Dwrap_mode=nodownload ..
-  meson compile
+              -Dwrap_mode=nodownload 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_gtk4() {
-  cd build
-  
-  meson install --destdir="$BPM_OUTPUT"
+  meson install -C build --destdir="$BPM_OUTPUT"
 
   # Move gtk-update-icon-cache to temporary directory for gtk-update-icon-cache package
   mkdir "$BPM_WORKDIR"/output-gtk-update-icon-cache
@@ -43,6 +28,7 @@ package_gtk4() {
   install -Dm644 "$BPM_WORKDIR"/gtk4-querymodules.bpmhook "$BPM_OUTPUT"/var/lib/bpm/hooks/gtk4-querymodules.bpmhook
   install -Dm755 "$BPM_WORKDIR"/gtk4-querymodules.sh "$BPM_OUTPUT"/var/lib/bpm/hook-scripts/gtk4-querymodules.sh
 
+  # Install package license
   install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/gtk3/COPYING
 }
 
@@ -57,7 +43,7 @@ package_gtk-update-icon-cache() {
   # Install BPM hook and script
   install -Dm644 "$BPM_WORKDIR"/gtk-update-icon-cache.bpmhook "$BPM_OUTPUT"/var/lib/bpm/hooks/gtk-update-icon-cache.bpmhook
   install -Dm755 "$BPM_WORKDIR"/gtk-update-icon-cache.sh "$BPM_OUTPUT"/var/lib/bpm/hook-scripts/gtk-update-icon-cache.sh
-  
+
   # Install package license
   install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/gtk-update-icon-cache/COPYING
 }