# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=6

inherit cmake-utils desktop pax-utils versionator

DESCRIPTION="A dynamic floating and tiling window manager"
HOMEPAGE="https://awesomewm.org/"
SRC_URI="https://github.com/awesomeWM/awesome-releases/raw/master/${P}.tar.xz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="amd64 arm ppc ppc64 x86"
IUSE="dbus doc gnome luajit test"
RESTRICT="test"

RDEPEND="
	>=dev-lang/lua-5.1:0
	luajit? ( dev-lang/luajit:2 )
	dev-libs/glib:2
	>=dev-libs/libxdg-basedir-1
	>=dev-lua/lgi-0.8
	x11-libs/cairo[X,xcb(+)]
	x11-libs/gdk-pixbuf:2
	>=x11-libs/libxcb-1.6[xkb]
	>=x11-libs/pango-1.19.3[introspection]
	>=x11-libs/startup-notification-0.10_p20110426
	>=x11-libs/xcb-util-0.3.8
	x11-libs/xcb-util-cursor
	>=x11-libs/xcb-util-keysyms-0.3.4
	>=x11-libs/xcb-util-wm-0.3.8
	>=x11-libs/xcb-util-xrm-1.0
	x11-libs/libXcursor
	x11-libs/libxkbcommon[X]
	>=x11-libs/libX11-1.3.99.901
	dbus? ( >=sys-apps/dbus-1 )
"

# graphicsmagick's 'convert -channel' has no Alpha support, bug #352282
DEPEND="${RDEPEND}
	>=app-text/asciidoc-8.4.5
	app-text/xmlto
	dev-util/gperf
	virtual/pkgconfig
	media-gfx/imagemagick[png]
	>=x11-base/xcb-proto-1.5
	x11-base/xorg-proto
	doc? ( dev-lua/ldoc )
	test? (
		app-shells/zsh
		x11-base/xorg-server[xvfb]
		dev-lua/busted
		dev-lua/luacheck
	)
"

# Skip installation of README.md by einstalldocs, which leads to broken symlink
DOCS=()
PATCHES=(
	"${FILESDIR}/${PN}-4.0-convert-path.patch"  # bug #408025
	"${FILESDIR}/${PN}-xsession.patch"          # bug #408025
	"${FILESDIR}/${PN}-4.0-cflag-cleanup.patch" # bug #509658
)

src_configure() {
	# Compression of manpages is handled by portage
	local mycmakeargs=(
		-DSYSCONFDIR="${EPREFIX}"/etc
		-DCOMPRESS_MANPAGES=OFF
		-DWITH_DBUS=$(usex dbus)
		-DGENERATE_DOC=$(usex doc)
		-DAWESOME_DOC_PATH="${EPREFIX}"/usr/share/doc/${PF}
	)
	if use luajit; then
		mycmakeargs+=("-DLUA_INCLUDE_DIR=${EPREFIX}/usr/include/luajit-2.0")
		mycmakeargs+=("-DLUA_LIBRARY=${EPREFIX}/usr/$(get_libdir)/libluajit-5.1.so")
	fi
	cmake-utils_src_configure
}

src_test() {
	# awesome's test suite starts Xvfb by itself, no need for virtualx eclass
	HEADLESS=1 cmake-utils_src_make check -j1
}

src_install() {
	cmake-utils_src_install
	rm "${ED}"/usr/share/doc/${PF}/LICENSE || die

	pax-mark m "${ED%/}"/usr/bin/awesome

	exeinto /etc/X11/Sessions
	newexe "${FILESDIR}"/${PN}-session ${PN}

	# GNOME-based awesome
	if use gnome; then
		# GNOME session
		insinto /usr/share/gnome-session/sessions
		newins "${FILESDIR}"/${PN}-gnome-3.session ${PN}-gnome.session

		# Application launcher
		domenu "${FILESDIR}"/${PN}-gnome.desktop

		# X Session
		insinto /usr/share/xsessions
		doins "${FILESDIR}"/${PN}-gnome-xsession.desktop
	fi

	# This directory contains SVG images which we don't want to compress
	use doc && docompress -x /usr/share/doc/${PF}/doc
}

pkg_postinst() {
	# bug #447308
	if use gnome; then
		elog "You have enabled the gnome USE flag."
		elog "Please note that quitting awesome won't kill your gnome session."
		elog "To really quit the session, you should bind your quit key"
		elog "to the following command:"
		elog "  gnome-session-quit --logout"
		elog "For more info visit"
		elog "  https://bugs.gentoo.org/show_bug.cgi?id=447308"
	fi

	# bug #440724
	elog "If you are having issues with Java application windows being"
	elog "completely blank, try installing"
	elog "  x11-misc/wmname"
	elog "and setting the WM name to LG3D."
	elog "For more info visit"
	elog "  https://bugs.gentoo.org/show_bug.cgi?id=440724"

	for v in ${REPLACING_VERSIONS}; do
		if [ "$(get_major_version ${v})" = "3" ]; then
			elog "Awesome-4 introduced breaking changes. For release notes and porting guide see"
			elog "https://awesomewm.org/apidoc/documentation/89-NEWS.md.html#v4 and"
			elog "https://awesomewm.org/apidoc/documentation/17-porting-tips.md.html#v4"
		fi
	done
}