app-alternatives/bzip2: Add from Gentoo

It's from Gentoo commit ca66920b8d97794aeea2fe783c17b55328821e17.
This commit is contained in:
Krzesimir Nowak 2023-01-02 10:25:50 +01:00
parent c372b5d0e3
commit 763b1ac69b
2 changed files with 68 additions and 0 deletions

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# Copyright 2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
ALTERNATIVES=(
"reference:>=app-arch/bzip2-1.0.8-r4"
"lbzip2:app-arch/lbzip2[-symlink(-)]"
"pbzip2:app-arch/pbzip2[-symlink(-)]"
)
inherit app-alternatives
DESCRIPTION="bzip2 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="split-usr"
RDEPEND="
!<app-arch/bzip2-1.0.8-r4
!app-arch/lbzip2[symlink(-)]
!app-arch/pbzip2[symlink(-)]
"
src_install() {
local alt=$(get_alternative)
local usr_prefix=
use split-usr && usr_prefix=../usr/bin/
case ${alt} in
reference)
dosym bzip2-reference /bin/bzip2
alt=bzip2-reference
;;
*)
dosym "${usr_prefix}${alt}" /bin/bzip2
;;
esac
dosym bzip2 /bin/bunzip2
dosym bzip2 /bin/bzcat
newman - bzip2.1 <<<".so ${alt}.1"
newman - bunzip2.1 <<<".so bzip2.1"
newman - bzcat.1 <<<".so bzip2.1"
}

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>base-system@gentoo.org</email>
<name>Gentoo Base System</name>
</maintainer>
<maintainer type="person">
<email>mgorny@gentoo.org</email>
<name>Michał Górny</name>
</maintainer>
<use>
<flag name="lbzip2">
Symlink to <pkg>app-arch/lbzip2</pkg>.
</flag>
<flag name="pbzip2">
Symlink to <pkg>app-arch/pbzip2</pkg>.
</flag>
<flag name="reference">
Symlink to <pkg>app-arch/bzip2</pkg>.
</flag>
</use>
</pkgmetadata>