Update package version to 6.20.0

pkg.info

@@ -1,6 +1,6 @@
 name: extra-cmake-modules
 description: Extra modules and scripts for CMake
-version: 6.19.0
+version: 6.20.0
 revision: 1
 url: https://community.kde.org/Frameworks
 license: BSD-3-Clause
@@ -9,3 +9,8 @@ output_architecture: any
 type: source
 depends:
   - cmake
+downloads:
+  - url: https://download.kde.org/stable/frameworks/${BPM_PKG_VERSION%.*}/extra-cmake-modules-${BPM_PKG_VERSION}.tar.xz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: 3711de8572db5da618efe3f28cc094ca25a1abb0bddffc63dced12c4f8caae5f

source.sh

@@ -2,16 +2,6 @@
 # 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://download.kde.org/stable/frameworks/${BPM_PKG_VERSION%.*}/extra-cmake-modules-${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() {