Update package version to 3.1.3

pkg.info

@@ -1,9 +1,18 @@
 name: libjpeg-turbo
 description: JPEG image codec with SIMD accelerated compression and decompression
-version: 3.1.2
+version: 3.1.3
+revision: 1
 url: https://libjpeg-turbo.org/
 license: BSD-3-Clause,IJG
 architecture: any
-depends: ["glibc"]
-make_depends: ["cmake","ninja"]
 type: source
+depends:
+  - glibc
+make_depends:
+  - cmake
+  - ninja
+downloads:
+  - url: https://github.com/libjpeg-turbo/libjpeg-turbo/archive/refs/tags/${BPM_PKG_VERSION}.tar.gz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: 3a13a5ba767dc8264bc40b185e41368a80d5d5f945944d1dbaa4b2fb0099f4e5

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://github.com/libjpeg-turbo/libjpeg-turbo/archive/refs/tags/${BPM_PKG_VERSION}.tar.gz"
-FILENAME="${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() {