upgpkg: devscripts 2.20.4-1

- Version bump.
- Using sources tarball, allows tracking via `aur-out-of-date`
- Added missing dependency (fixes: ItachiSan/linux_packaging#6)
- Package now uses dpkg-vendor (fixes: ItachiSan/linux_packaging#7)

PKGBUILD

@@ -5,21 +5,20 @@
 # Contributor: JD Horelick <jdhore1@gmail.com>
 
 pkgname=devscripts
-pkgver=2.19.7
-pkgrel=2
+pkgver=2.20.4
+pkgrel=1
 pkgdesc="Scripts to make the life of a Debian Package maintainer easier"
 arch=('i686' 'x86_64')
 url="https://tracker.debian.org/pkg/devscripts"
 license=('GPL2')
-depends=('dpkg' 'wget' 'sed' 'perl' 'debianutils' 'debhelper' 'perl-timedate'
-         'sensible-utils')
+depends=('dpkg' 'wget' 'sed' 'perl' 'debianutils' 'debhelper'
+         'perl-file-homedir' 'perl-timedate' 'sensible-utils')
 makedepends=(
     'docbook-xsl'
     'bash-completion'
     'help2man'
     'git'
     'perl-file-desktopentry'
-    'perl-file-homedir'
     'perl-file-basedir'
     'perl-git-wrapper'
     'perl-libwww'
@@ -30,26 +29,29 @@ makedepends=(
     'po4a'
     'python-setuptools'
 )
+optdepends=(
+    'debian-keyring: Required for commands interacting with the system / user keyring'
+)
 options=('!makeflags')
 source=(
-    "${pkgname}::git+https://salsa.debian.org/debian/devscripts.git#tag=v${pkgver}"
+    "https://deb.debian.org/debian/pool/main/${pkgname:0:1}/${pkgname}/${pkgname}_${pkgver}.tar.xz"
     fixes.patch
 )
-sha256sums=('SKIP'
+sha256sums=('f94fe99c1e70443d9e2dcd58c1e530c182840a8b890c5f9a4f0d4af3bf521b9c'
             'e5fef21e1d8aee3128c6499078bc2f38e8f80189b30882df817637388f1e7717')
 
 prepare(){
-    cd "$pkgname"
+    cd "$pkgname-$pkgver"
     patch -p1 -i "$srcdir/fixes.patch"
 }
 
 build() {
-    cd "$pkgname"
+    cd "$pkgname-$pkgver"
     make
 }
 
 package() {
-    cd "$pkgname"
+    cd "$pkgname-$pkgver"
     make DESTDIR="$pkgdir" install
 
     # Create dch symlink to debchange