# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

# Please bump with app-editors/vim-core and app-editors/vim

VIM_VERSION="9.0"
VIM_PATCH_TAG="vim-9.0.0049-patches"
LUA_COMPAT=( lua5-1 luajit )
PYTHON_COMPAT=( python3_{8..10} )
PYTHON_REQ_USE="threads(+)"
USE_RUBY="ruby26 ruby27"

inherit prefix lua-single python-single-r1 ruby-single vim

if [[ ${PV} != 9999* ]]; then
	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-solaris"
fi

DESCRIPTION="GUI version of the Vim text editor"
HOMEPAGE="https://vim.sourceforge.io/ https://github.com/vim/vim"

LICENSE="vim"
SLOT="0"
IUSE="acl aqua crypt cscope debug gtk gtk2 lua motif neXt netbeans nls perl python racket ruby selinux session sound tcl"
REQUIRED_USE="
	lua? ( ${LUA_REQUIRED_USE} )
	python? ( ${PYTHON_REQUIRED_USE} )
"

RDEPEND="
	~app-editors/vim-core-${PV}
	>=app-eselect/eselect-vi-1.1
	>=sys-libs/ncurses-5.2-r2:0=
	x11-libs/libICE
	x11-libs/libSM
	x11-libs/libXext
	x11-libs/libXt
	acl? ( kernel_linux? ( sys-apps/acl ) )
	!aqua? (
		gtk? (
			x11-libs/gtk+:3
			x11-libs/libXft
		)
		!gtk? (
			gtk2? (
				>=x11-libs/gtk+-2.6:2
				x11-libs/libXft
			)
			!gtk2? (
				motif? ( >=x11-libs/motif-2.3:0 )
				!motif? (
					neXt? ( x11-libs/neXtaw )
					!neXt? ( x11-libs/libXaw )
				)
			)
		)
	)
	crypt? ( dev-libs/libsodium:= )
	cscope? ( dev-util/cscope )
	lua? (
		${LUA_DEPS}
		$(lua_gen_impl_dep 'deprecated' lua5-1)
	)
	nls? ( virtual/libintl )
	perl? ( dev-lang/perl:= )
	python? ( ${PYTHON_DEPS} )
	racket? ( dev-scheme/racket )
	ruby? ( ${RUBY_DEPS} )
	selinux? ( sys-libs/libselinux )
	session? ( x11-libs/libSM )
	sound? ( media-libs/libcanberra )
	tcl? ( dev-lang/tcl:0= )
"
DEPEND="${RDEPEND}"
# configure runs the Lua interpreter
BDEPEND="
	sys-devel/autoconf
	virtual/pkgconfig
	lua? ( ${LUA_DEPS} )
	nls? ( sys-devel/gettext )
"

# various failures (bugs #630042 and #682320)
RESTRICT="test"

src_configure() {
	vim_common_src_configure

	local myconf=()

	use debug && append-flags "-DDEBUG"

	myconf=(
		--with-features=huge
		--disable-gpm
		--with-gnome=no
		$(use_enable sound canberra)
		$(use_enable acl)
		$(use_enable crypt libsodium)
		$(use_enable cscope)
		$(use_enable netbeans)
		$(use_enable nls)
		$(use_enable perl perlinterp)
		$(use_enable python python3interp)
		$(use_with python python3-command "${PYTHON}")
		$(use_enable racket mzschemeinterp)
		$(use_enable ruby rubyinterp)
		$(use_enable selinux)
		$(use_enable session xsmp)
		$(use_enable tcl tclinterp)
	)

	if use lua; then
		myconf+=(
			--enable-luainterp
			$(use_with lua_single_target_luajit luajit)
			--with-lua-prefix="${EPREFIX}/usr"
		)
	fi

	# gvim's GUI preference order is as follows:
	# aqua                         CARBON (not tested)
	# -aqua gtk                    GTK3
	# -aqua -gtk gtk2              GTK2
	# -aqua -gtk -gtk motif        MOTIF
	# -aqua -gtk -gtk -motif neXt  NEXTAW
	# -aqua -gtk -gtk -motif -neXt ATHENA
	echo ; echo
	if use aqua; then
		einfo "Building gvim with the Carbon GUI"
		myconf+=(
			--enable-darwin
			--enable-gui=carbon
		)
	elif use gtk; then
		myconf+=( --enable-gtk3-check )
		einfo "Building gvim with the gtk+-3 GUI"
		myconf+=( --enable-gui=gtk3 )
	elif use gtk2; then
		myconf+=( --enable-gtk2-check )
		einfo "Building gvim with the gtk+-2 GUI"
		myconf+=( --enable-gui=gtk2 )
	elif use motif; then
		einfo "Building gvim with the MOTIF GUI"
		myconf+=( --enable-gui=motif )
	elif use neXt; then
		einfo "Building gvim with the neXtaw GUI"
		myconf+=( --enable-gui=nextaw )
	else
		einfo "Building gvim with the Athena GUI"
		myconf+=( --enable-gui=athena )
	fi
	echo ; echo

	# let package manager strip binaries
	export ac_cv_prog_STRIP="$(type -P true ) faking strip"

	# keep prefix env contained within the EPREFIX
	use prefix && myconf+=( --without-local-dir )

	if [[ ${CHOST} == *-interix* ]]; then
		# avoid finding of this function, to avoid having to patch either
		# configure or the source, which would be much more hackish.
		# after all vim does it right, only interix is badly broken (again)
		export ac_cv_func_sigaction=no
	fi

	econf \
		--with-modified-by=Gentoo-${PVR} \
		--with-vim-name=gvim \
		--with-x \
		"${myconf[@]}"
}

src_test() {
	einfo
	einfo "Starting vim tests. Several error messages will be shown"
	einfo "while the tests run. This is normal behaviour and does not"
	einfo "indicate a fault."
	einfo
	ewarn "If the tests fail, your terminal may be left in a strange"
	ewarn "state. Usually, running 'reset' will fix this."
	einfo

	# Don't let vim talk to X
	unset DISPLAY

	# Make gvim not try to connect to X. See :help gui-x11-start in vim for how
	# this evil trickery works.
	ln -s "${S}"/src/gvim "${S}"/src/testvim || die

	# Make sure our VIMPROG is used.
	sed -i -e 's:\.\./vim:../testvim:' src/testdir/test49.vim || die

	# Don't do additional GUI tests.
	emake -j1 VIMPROG=../testvim -C src/testdir nongui
}

src_install() {
	local vimfiles=/usr/share/vim/vim${VIM_VERSION/.}

	dobin src/gvim
	dosym gvim /usr/bin/gvimdiff
	dosym gvim /usr/bin/evim
	dosym gvim /usr/bin/eview
	dosym gvim /usr/bin/gview
	dosym gvim /usr/bin/rgvim
	dosym gvim /usr/bin/rgview

	emake -C src DESTDIR="${D}" DATADIR="${EPREFIX}"/usr/share install-icons

	dodir /usr/share/man/man1
	echo ".so vim.1" > "${ED}"/usr/share/man/man1/gvim.1 || die "echo failed"
	echo ".so vim.1" > "${ED}"/usr/share/man/man1/gview.1 || die "echo failed"
	echo ".so vimdiff.1" > "${ED}"/usr/share/man/man1/gvimdiff.1 || \
		die "echo failed"

	insinto /etc/vim
	newins "${FILESDIR}"/gvimrc-r1 gvimrc
	eprefixify "${ED}"/etc/vim/gvimrc

	# bash completion script, bug #79018.
	newbashcomp "${FILESDIR}"/${PN}-completion ${PN}

	# don't install vim desktop file
	rm -v "${ED}"/usr/share/applications/vim.desktop || die "failed to remove vim.desktop"
}