commit:     dfdb9ce0454d59a5d5a2d466c5a1de1346fcdc72
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Fri Dec  2 19:11:05 2022 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Mon Dec  5 19:13:21 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=dfdb9ce0

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

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

 app-alternatives/awk/awk-2.ebuild | 48 +++++++++++++++++----------------------
 1 file changed, 21 insertions(+), 27 deletions(-)

diff --git a/app-alternatives/awk/awk-2.ebuild 
b/app-alternatives/awk/awk-2.ebuild
index c76362361bef..c20aa0953478 100644
--- a/app-alternatives/awk/awk-2.ebuild
+++ b/app-alternatives/awk/awk-2.ebuild
@@ -3,47 +3,41 @@
 
 EAPI=8
 
-DESCRIPTION="/bin/awk and /usr/bin/awk symlinks"
-HOMEPAGE="https://wiki.gentoo.org/wiki/Project:Base/Alternatives";
-SRC_URI=""
-S=${WORKDIR}
+ALTERNATIVES=(
+       gawk:sys-apps/gawk
+       busybox:sys-apps/busybox
+       mawk:sys-apps/mawk
+       nawk:sys-apps/nawk
+)
+
+inherit app-alternatives
 
-LICENSE="CC0-1.0"
-SLOT="0"
+DESCRIPTION="/bin/awk and /usr/bin/awk symlinks"
 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="busybox +gawk mawk nawk split-usr"
-REQUIRED_USE="^^ ( busybox gawk mawk nawk )"
+IUSE="split-usr"
 
 RDEPEND="
-       busybox? ( sys-apps/busybox )
-       gawk? ( sys-apps/gawk )
-       mawk? ( sys-apps/mawk )
-       nawk? ( sys-apps/nawk )
        !app-eselect/eselect-awk
 "
 
 src_install() {
+       local alt=$(get_alternative)
        local root_prefix=
        use split-usr && root_prefix=../../bin/
 
        # We could consider setting AWK=... like we do for yacc & lex,
        # but it would need some testing with a fair amount of packages first,
        # as autoconf prefers gawk.
-       if use busybox; then
-               dosym "${root_prefix}busybox" /usr/bin/awk
-               newman - awk.1 <<<".so busybox.1"
-       elif use gawk; then
-               dosym gawk /usr/bin/awk
-               newman - awk.1 <<<".so gawk.1"
-       elif use mawk; then
-               dosym mawk /usr/bin/awk
-               newman - awk.1 <<<".so mawk.1"
-       elif use nawk; then
-               dosym nawk /usr/bin/awk
-               newman - awk.1 <<<".so nawk.1"
-       else
-               die "Invalid USE flag combination (broken REQUIRED_USE?)"
-       fi
+       case ${alt} in
+               busybox)
+                       dosym "${root_prefix}busybox" /usr/bin/awk
+                       ;;
+               *)
+                       dosym "${alt}" /usr/bin/awk
+                       ;;
+       esac
+
+       newman - awk.1 <<<".so ${alt}.1"
 
        if use split-usr; then
                dosym ../usr/bin/awk /bin/awk

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