Switch to new download format and update dependencies

pkg.info

@@ -1,11 +1,24 @@
 name: groff
 description: GNU troff text-formatting system
 version: 1.23.0
-revision: 4
+revision: 5
 url: https://www.gnu.org/software/groff/
 license: GPL3-or-later
+maintainers:
+  - [email protected]
 architecture: any
-depends: ["gcc-libs", "perl"]
-optional_depends: ["libxaw"]
-make_depends: ["libxaw"]
 type: source
+depends:
+  - gcc-libs
+  - perl
+optional_depends:
+  - libxaw
+  - perl-file-homedir
+make_depends:
+  - libxaw
+  - perl-file-homedir
+downloads:
+  - url: https://ftpmirror.gnu.org/gnu/groff/groff-${BPM_PKG_VERSION}.tar.gz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: 6b9757f592b7518b4902eb6af7e54570bdccba37a871fddb2d30ae3863511c13

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://ftpmirror.gnu.org/gnu/groff/groff-${BPM_PKG_VERSION}.tar.gz"
-FILENAME="${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() {