Switch to new download format and update source.sh script

pkg.info

@@ -1,9 +1,22 @@
 name: sudo
 description: Utility that grants users the ability to run commands as root
 version: 1.9.17p2
+revision: 2
 url: https://www.sudo.ws/sudo/
 license: ISC
 architecture: any
-depends: ["glibc","openldap","openssl","pam","zlib"]
-keep: ["etc/sudoers","etc/sudoers.d/"]
 type: source
+keep:
+  - etc/sudoers
+  - etc/sudoers.d/
+depends:
+  - glibc
+  - openldap
+  - openssl
+  - pam
+  - zlib
+downloads:
+  - url: https://www.sudo.ws/dist/sudo-${BPM_PKG_VERSION}.tar.gz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: 4a38a1ab3adb1199257edc2a7c4a2bd714665eb605b04368843b06dada2cfcfb

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://www.sudo.ws/dist/sudo-${BPM_PKG_VERSION}.tar.gz"
-FILENAME="${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 "$BPM_SOURCE"
-}
-
 # The build function is executed in the source directory
 # This function is used to compile the source code
 build() {
@@ -33,7 +23,16 @@ check() {
 # This function is used to move the compiled files into the output directory
 package() {
   make DESTDIR="$BPM_OUTPUT" install
-  install -Dm644 ../sudo-pam "$BPM_OUTPUT"/etc/pam.d/sudo
-  install -Dm644 ../allow-wheel "$BPM_OUTPUT"/etc/sudoers.d/00-allow-wheel
-  install -Dm644 LICENSE.md "$BPM_OUTPUT"/usr/share/licenses/sudo/LICENSE.md
+
+  # Remove /run directory
+  rm -rf "$BPM_OUTPUT"/run
+
+  # Install configuration file
+  install -Dm644 "$BPM_WORKDIR"/allow-wheel "$BPM_OUTPUT"/etc/sudoers.d/00-allow-wheel
+
+  # Install pam module
+  install -Dm644 "$BPM_WORKDIR"/sudo-pam "$BPM_OUTPUT"/etc/pam.d/sudo
+
+  # Install package license
+  install -Dm644 "$BPM_SOURCE"/LICENSE.md "$BPM_OUTPUT"/usr/share/licenses/sudo/LICENSE.md
 }