Switch to new download format and add maintainers field

pkg.info

@@ -1,9 +1,17 @@
 name: efivar
 description: Tools and libraries to work with EFI variables
-version: 39
+version: "39"
-revision: 3
+revision: 4
 url: https://github.com/rhboot/efivar
 license: LGPL2.1-or-later
+maintainers:
+  - [email protected]
 architecture: any
-make_depends: ["mandoc"]
 type: source
+make_depends:
+  - mandoc
+downloads:
+  - url: https://github.com/rhboot/efivar/archive/${BPM_PKG_VERSION}/efivar-${BPM_PKG_VERSINO}.tar.gz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: c9edd15f2eeeea63232f3e669a48e992c7be9aff57ee22672ac31f5eca1609a6

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/rhboot/efivar/archive/${BPM_PKG_VERSION}/efivar-${BPM_PKG_VERSINO}.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() {