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

EAPI=7
PYTHON_COMPAT=( python3_{6,7,8} )

inherit gnome.org gnome2-utils meson python-any-r1 systemd xdg

DESCRIPTION="Collection of data extractors for Tracker/Nepomuk"
HOMEPAGE="https://wiki.gnome.org/Projects/Tracker"

LICENSE="GPL-2+ LGPL-2.1+"
SLOT="0"
IUSE="cue exif ffmpeg gif gsf +gstreamer iptc +iso +jpeg +pdf +playlist raw +rss seccomp test +tiff upower +xml xmp xps"

REQUIRED_USE="cue? ( gstreamer )" # cue is currently only supported via gstreamer, not ffmpeg
RESTRICT="!test? ( test )"

KEYWORDS="~alpha amd64 ~arm ~arm64 ~ia64 ~ppc ~ppc64 ~sparc x86"

# tracker-2.1.7 currently always depends on ICU (theoretically could be libunistring instead); so choose ICU over enca always here for the time being (ICU is preferred)
RDEPEND="
	>=dev-libs/glib-2.46:2
	>=app-misc/tracker-2.2.0:=
	gstreamer? (
		media-libs/gstreamer:1.0
		media-libs/gst-plugins-base:1.0
		media-plugins/gst-plugins-meta:1.0 )
	!gstreamer? (
		ffmpeg? ( media-video/ffmpeg:0= ) )

	>=sys-apps/dbus-1.3.1
	xmp? ( >=media-libs/exempi-2.1.0:= )
	raw? ( media-libs/gexiv2 )
	>=dev-libs/icu-4.8.1.2:=
	cue? ( media-libs/libcue:= )
	exif? ( >=media-libs/libexif-0.6 )
	gsf? ( >=gnome-extra/libgsf-1.14.24:= )
	xps? ( app-text/libgxps )
	iptc? ( media-libs/libiptcdata )
	jpeg? ( virtual/jpeg:0 )
	iso? ( >=sys-libs/libosinfo-0.2.10 )
	>=media-libs/libpng-1.2:0=
	seccomp? ( >=sys-libs/libseccomp-2.0 )
	tiff? ( media-libs/tiff:0 )
	xml? ( >=dev-libs/libxml2-2.6 )
	pdf? ( >=app-text/poppler-0.16.0[cairo] )
	playlist? ( >=dev-libs/totem-pl-parser-3:= )
	upower? ( >=sys-power/upower-0.9.0 )
	sys-libs/zlib:0
	gif? ( media-libs/giflib:= )

	rss? ( >=net-libs/libgrss-0.7:0 )
	app-arch/gzip
"
DEPEND="${RDEPEND}"
BDEPEND="
	dev-util/glib-utils

	>=dev-util/intltool-0.40.0
	>=sys-devel/gettext-0.19.8
	virtual/pkgconfig
	test? ( ${PYTHON_DEPS}
		gstreamer? (
			media-libs/gstreamer:1.0[introspection]
			|| ( media-plugins/gst-plugins-libav:1.0
				media-plugins/gst-plugins-openh264:1.0 )
	) )
"
# intltool-merge manually called in meson.build in 2.2.2; might be properly gone by 2.3

pkg_setup() {
	use test && python-any-r1_pkg_setup
}

src_prepare() {
	# Avoid gst-inspect calls that may trigger sandbox; instead assume the detection will succeed and add the needed test deps for that
	if use gstreamer; then
		sed -i -e 's:detect-h264-codec.sh:/bin/true:' tests/functional-tests/meson.build || die
	else
		sed -i -e 's:detect-h264-codec.sh:/bin/false:' tests/functional-tests/meson.build || die
	fi
	xdg_src_prepare
	gnome2_environment_reset # sets gstreamer safety variables
}

src_configure() {
	local media_extractor="none"
	if use gstreamer ; then
		media_extractor="gstreamer"
	elif use ffmpeg ; then
		media_extractor="libav"
	fi

	local emesonargs=(
		-Dtracker_core=system

		-Ddocs=true
		-Dextract=true
		-Dfunctional_tests=false # currently broken, may fare better in 2.2.3 or 2.3; if re-enabled re-add dconf test dep
		#$(meson_use test functional_tests)
		-Dminer_fs=true
		$(meson_use rss miner_rss)
		-Dwriteback=true
		-Dabiword=true
		-Ddvi=true
		-Dicon=true
		-Dmp3=true
		-Dps=true
		-Dtext=true
		-Dunzip_ps_gz_files=true # spawns gunzip

		$(meson_feature cue)
		$(meson_feature exif)
		-Dflac=disabled # never use external flac extractor - gst-plugins-flac is for that; ffmpeg one is maybe worse, but that's non-default
		$(meson_feature gif)
		$(meson_feature gsf)
		$(meson_feature iptc)
		$(meson_feature iso)
		$(meson_feature jpeg)
		$(meson_feature pdf)
		$(meson_feature playlist)
		-Dpng=enabled
		$(meson_feature raw)
		$(meson_feature tiff)
		-Dvorbis=disabled # never use external vorbis extractor - gst-plugins-base[vorbis] is for that; ffmpeg one is maybe worse, but that's non-default
		$(meson_feature xml)
		$(meson_feature xmp)
		$(meson_feature xps)

		-Dbattery_detection=$(usex upower upower none)
		-Dcharset_detection=icu # enca is a possibility, but right now we have tracker core always dep on icu and icu is preferred over enca
		-Dgeneric_media_extractor=${media_extractor}
		# gupnp gstreamer_backend is in bad state, upstream suggests to use discoverer, which is the default
		-Dsystemd_user_services="$(systemd_get_userunitdir)"
	)
	meson_src_configure
}

src_test() {
	export GSETTINGS_BACKEND="dconf" # Tests require dconf and explicitly check for it (env_reset set it to "memory")
	dbus-run-session meson test -C "${BUILD_DIR}" || die 'tests failed'
}

pkg_postinst() {
	xdg_pkg_postinst
	gnome2_schemas_update
}

pkg_postrm() {
	xdg_pkg_postrm
	gnome2_schemas_update
}