commit:     cbe30238ca28ea10d944d120cae33e5ebd351fd0
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Mon Dec  5 19:47:20 2022 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Tue Dec  6 14:46:40 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=cbe30238

app-alternatives/tar: Use app-alternatives.eclass

Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 app-alternatives/tar/tar-0.ebuild | 37 ++++++++++++++++++-------------------
 1 file changed, 18 insertions(+), 19 deletions(-)

diff --git a/app-alternatives/tar/tar-0.ebuild 
b/app-alternatives/tar/tar-0.ebuild
index dc594b0f8933..b37377fa0f63 100644
--- a/app-alternatives/tar/tar-0.ebuild
+++ b/app-alternatives/tar/tar-0.ebuild
@@ -3,20 +3,18 @@
 
 EAPI=8
 
-DESCRIPTION="Tar symlink"
-HOMEPAGE="https://wiki.gentoo.org/wiki/Project:Base/Alternatives";
-SRC_URI=""
-S=${WORKDIR}
+ALTERNATIVES=(
+       "gnu:>=app-arch/tar-1.34-r2"
+       libarchive:app-arch/libarchive
+)
+
+inherit app-alternatives
 
-LICENSE="CC0-1.0"
-SLOT="0"
+DESCRIPTION="Tar symlink"
 KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 
~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos 
~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
-IUSE="+gnu libarchive split-usr"
-REQUIRED_USE="^^ ( gnu libarchive )"
+IUSE="split-usr"
 
 RDEPEND="
-       gnu? ( >=app-arch/tar-1.34-r2 )
-       libarchive? ( app-arch/libarchive )
        !<app-arch/tar-1.34-r2
 "
 
@@ -24,13 +22,14 @@ src_install() {
        local usr_prefix=
        use split-usr && usr_prefix=../usr/bin/
 
-       if use gnu; then
-               dosym gtar /bin/tar
-               newman - tar.1 <<<".so gtar.1"
-       elif use libarchive; then
-               dosym "${usr_prefix}bsdtar" /bin/tar
-               newman - tar.1 <<<".so bsdtar.1"
-       else
-               die "Invalid USE flag combination (broken REQUIRED_USE?)"
-       fi
+       case $(get_alternative) in
+               gnu)
+                       dosym gtar /bin/tar
+                       newman - tar.1 <<<".so gtar.1"
+                       ;;
+               libarchive)
+                       dosym "${usr_prefix}bsdtar" /bin/tar
+                       newman - tar.1 <<<".so bsdtar.1"
+                       ;;
+       esac
 }

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