app-arch/alien: add support for more tar extensions.

Courtesy of Austin English <[email protected]>.

I've also slipped in a EAPI 6 update whilst at it.

Closes: https://bugs.gentoo.org/629524
Package-Manager: Portage-2.3.24, Repoman-2.3.6

app-arch/alien/alien-8.95-r1.ebuild

@@ -0,0 +1,34 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit perl-module
+
+DESCRIPTION="Converts between the rpm, dpkg, stampede slp, and slackware tgz file formats"
+HOMEPAGE="http://kitenet.net/programs/alien"
+SRC_URI="mirror://debian/pool/main/a/${PN}/${PN}_${PV}.tar.xz -> ${P}.tar.xz"
+
+LICENSE="LGPL-2.1"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~hppa ~ppc ~ppc64 ~x86"
+IUSE="+bzip2"
+
+RDEPEND="
+	app-arch/rpm
+	app-arch/dpkg
+	dev-util/debhelper
+	>=app-arch/tar-1.14.91
+	bzip2? (
+		app-arch/bzip2
+	)"
+
+DEPEND="${RDEPEND}"
+
+PATCHES=( "${FILESDIR}/${P}-tar-extensions.patch" )
+
+src_prepare() {
+	default
+	sed -e s%'$(VARPREFIX)'%${D}% -e s%'$(PREFIX)'%${D}/usr%g \
+		-i "${S}"/Makefile.PL || die "sed failed"
+}

app-arch/alien/files/alien-8.95-tar-extensions.patch

@@ -0,0 +1,25 @@
+From 01aabf053ea28308df87272cca79e645a9268fd7 Mon Sep 17 00:00:00 2001
+From: Austin English <[email protected]>
+Date: Fri, 1 Sep 2017 02:20:37 -0500
+Subject: [PATCH] add more tar extensions
+
+Signed-off-by: Austin English <[email protected]>
+---
+ Alien/Package/Tgz.pm | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Alien/Package/Tgz.pm b/Alien/Package/Tgz.pm
+index 7ab6e8b..65a3d2d 100644
+--- a/Alien/Package/Tgz.pm
++++ b/Alien/Package/Tgz.pm
+@@ -11,7 +11,7 @@ use strict;
+ use base qw(Alien::Package);
+ use Cwd qw(abs_path);
+
+-my $tarext=qr/\.(?:tgz|tar(?:\.(?:gz|Z|z|bz|bz2))?|taz)$/;
++my $tarext=qr/\.(?:taz|tar(?:\.(?:bz|bz2|gz|Z|z|))?|tb2|tbz|tbz2|tZ|xpak)$/;
+
+ =head1 DESCRIPTION
+
+-- 
+2.14.0