96 lines
2.5 KiB
Bash
96 lines
2.5 KiB
Bash
# Copyright 2022-2023 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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gawk:sys-apps/gawk
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busybox:sys-apps/busybox
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mawk:sys-apps/mawk
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nawk:sys-apps/nawk
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)
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inherit app-alternatives
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DESCRIPTION="/bin/awk and /usr/bin/awk symlinks"
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KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
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IUSE="split-usr"
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RDEPEND="
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!app-eselect/eselect-awk
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"
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src_install() {
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local alt=$(get_alternative)
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local root_prefix=
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use split-usr && root_prefix=../../bin/
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# We could consider setting AWK=... like we do for yacc & lex,
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# but it would need some testing with a fair amount of packages first,
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# as autoconf prefers gawk.
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case ${alt} in
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busybox)
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dosym "${root_prefix}busybox" /usr/bin/awk
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;;
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*)
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dosym "${alt}" /usr/bin/awk
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;;
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esac
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newman - awk.1 <<<".so ${alt}.1"
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if use split-usr; then
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dosym ../usr/bin/awk /bin/awk
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fi
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}
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pkg_preinst() {
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HAD_MAWK=0
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has_version "app-alternatives/awk[mawk]" && HAD_MAWK=1
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local v
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for v in ${REPLACING_VERSIONS}; do
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if ver_test "${v}" -lt 4; then
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SHOW_MAWK_WARNING=1
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fi
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# if we are upgrading from a new enough version, leftover manpage
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# symlink cleanup was done already
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if ver_test "${v}" -ge 3; then
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return
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fi
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done
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# otherwise, remove leftover files/symlinks created by eselect-awk (sic!)
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shopt -s nullglob
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local files=( "${EROOT}"/usr/share/man/man1/awk.1* )
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shopt -u nullglob
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if [[ ${files[@]} ]]; then
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einfo "Cleaning up leftover manpage symlinks from eselect-awk ..."
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rm -v "${files[@]}" || die
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fi
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}
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pkg_postinst() {
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# Show the warning on new installs if using mawk, or older installs
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# if upgrading from < app-alternatives/awk-4[mawk].
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if [[ -z ${REPLACING_VERSIONS} || ${SHOW_MAWK_WARNING} -eq 1 || ${HAD_MAWK} -eq 0 ]] && use mawk; then
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ewarn "mawk (incompletely) implements awk, as it was defined by the now-obsolete"
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ewarn "POSIX 1003.2 (draft 11.3) specification. It does not fully implement the standard"
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ewarn "extended regular expression syntax and there are other known issues pertaining to POSIX conformance."
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fi
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}
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pkg_postrm() {
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# make sure we don't leave the user without the symlinks, since
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# they've not been owned by any other package
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if [[ ! -h ${EROOT}/usr/bin/awk ]]; then
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ln -s gawk "${EROOT}/usr/bin/awk" || die
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fi
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if [[ ! -h ${EROOT}/bin/awk ]]; then
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ln -s ../usr/bin/awk "${EROOT}/bin/awk" || die
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fi
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}
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