# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

WANT_AUTOMAKE=none
WANT_LIBTOOL=none
inherit autotools

DESCRIPTION="Excellent text file viewer"
HOMEPAGE="http://www.greenwoodsoftware.com/less/"
SRC_URI="http://www.greenwoodsoftware.com/less/${P}.tar.gz"

LICENSE="|| ( GPL-3 BSD-2 )"
SLOT="0"
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"
IUSE="pcre unicode"

DEPEND=">=app-misc/editor-wrapper-3
	>=sys-libs/ncurses-5.2:0=
	pcre? ( dev-libs/libpcre2 )"
RDEPEND="${DEPEND}"

src_prepare() {
	local PATCHES=(
		"${FILESDIR}/less-608-procfs.patch"
		"${FILESDIR}/less-608-CVE-2022-46663.patch"
	)

	default
	# Upstream uses unpatched autoconf-2.69, which breaks with clang-16.
	# https://bugs.gentoo.org/870412
	eautoreconf
}

src_configure() {
	export ac_cv_lib_ncursesw_initscr=$(usex unicode)
	export ac_cv_lib_ncurses_initscr=$(usex !unicode)
	local myeconfargs=(
		--with-regex=$(usex pcre pcre2 posix)
		--with-editor="${EPREFIX}"/usr/libexec/editor
	)
	econf "${myeconfargs[@]}"
}

src_install() {
	default

	newbin "${FILESDIR}"/lesspipe-r1.sh lesspipe
	newenvd "${FILESDIR}"/less.envd 70less
}

pkg_preinst() {
	if has_version "<${CATEGORY}/${PN}-483-r1" ; then
		elog "The lesspipe.sh symlink has been dropped.  If you are still setting"
		elog "LESSOPEN to that, you will need to update it to '|lesspipe %s'."
		elog "Colorization support has been dropped.  If you want that, check out"
		elog "the new app-text/lesspipe package."
	fi
}