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2d25fad95c
Bug: https://bugs.gentoo.org/473598 Bug: https://bugs.gentoo.org/720224 Signed-off-by: Fabian Groffen <grobian@gentoo.org>
48 lines
1.4 KiB
Bash
48 lines
1.4 KiB
Bash
# Copyright 2022-2025 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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ALTERNATIVES=(
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bash:app-shells/bash
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busybox:sys-apps/busybox
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dash:app-shells/dash
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ksh:app-shells/ksh
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"lksh:app-shells/mksh[lksh]"
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mksh:app-shells/mksh
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)
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inherit app-alternatives
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DESCRIPTION="/bin/sh (POSIX shell) symlink"
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KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~arm64-macos ~x64-macos ~x64-solaris"
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RDEPEND="
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!app-eselect/eselect-sh
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"
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pkg_setup() {
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if [[ -z ${ROOT} ]] && use busybox ; then
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# Needed to avoid busybox preferring internal applets over PATH lookups.
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# https://web.archive.org/web/20221206223848/https://busybox.net/FAQ.html#standalone_shell.
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if busybox bbconfig | grep -q "CONFIG_FEATURE_SH_STANDALONE=y" ; then
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ewarn "busybox is configured with CONFIG_FEATURE_SH_STANDALONE=y!"
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ewarn "This is not a safe configuration for busybox as /bin/sh."
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ewarn "Please use savedconfig to disable CONFIG_FEATURE_SH_STANDALONE on busybox."
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die "Aborting due to unsafe Busybox configuration (CONFIG_FEATURE_SH_STANDALONE=y)!"
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fi
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fi
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}
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src_install() {
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dosym "$(get_alternative)" /bin/sh || die
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}
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pkg_postrm() {
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# make sure we don't leave the user without /bin/sh, since it's not
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# been owned by any other package
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if [[ ! -h ${EROOT}/bin/sh ]]; then
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ln -s bash "${EROOT}/bin/sh" || die
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fi
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}
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