Update package version to 1.68.0

pkg.info

@@ -1,8 +1,15 @@
 name: libnghttp2
 description: C library implementing the framing layer of HTTP/2
-version: 1.67.1
+version: 1.68.0
+revision: 1
 url: https://nghttp2.org/
 license: MIT
 architecture: any
-depends: ["glibc"]
 type: source
+depends:
+  - glibc
+downloads:
+  - url: https://github.com/nghttp2/nghttp2/releases/download/v${BPM_PKG_VERSION}/nghttp2-${BPM_PKG_VERSION}.tar.xz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: 5511d3128850e01b5b26ec92bf39df15381c767a63441438b25ad6235def902c

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/nghttp2/nghttp2/releases/download/v${BPM_PKG_VERSION}/nghttp2-${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() {