#!/bin/sh

# MAINTAINER: portmgr@FreeBSD.org

# $FreeBSD$

#

# This module finds shared objects that the port immediately depends on that

# are not declared as immediate dependencies.

#

listcontains() {

	local str lst elt

	str=$1

	lst=$2

	for elt in ${lst} ; do

		if [ ${elt} = ${str} ] ; then

			return 0

		fi

	done

	return 1

}

list_staged_execs() {

	# finds all dynamic executables which have dependencies that aren't within the

	# declared set of dependencies in this port

	find ${STAGEDIR} -type f \

		\( -perm -u+x -or -perm -g+x -or -perm -o+x \) \

		-and -exec /bin/sh -c "ldd {} > /dev/null 2>&1" \; \

		-and -exec echo {} \;

}

list_immediate_deps() {

	LD_LIBRARY_PATH=${LOCALBASE}/lib ldd -a "$1" | \

		awk 'BEGIN {section=0}; /^\// {section++} /^[^\/]/ {if(section<=1) print}' | \

		sed -e 's/.*=> //' -e 's/ .*//'

}

pkg_to_origin() {

	echo $(pkg info -o $1 | sed -E 's/^[^[:space:]]+[[:space:]]+//g')

}

proxydeps_suggest_uses() {

	local pkg=$1

	local lib_file=$2

	# miscellaneous USE clauses

	if expr ${pkg} : '^gettext-runtime' > /dev/null ; then

		warn "you need USES+=gettext"

	elif expr ${pkg} : '^glib-2' > /dev/null ; then

		warn "you need USE_GNOME+=glib20"

	elif expr ${pkg} : '^gdk-pixbuf2-' > /dev/null ; then

		warn "you need USE_GNOME+=gdkpixbuf2"

	elif expr ${pkg} : '^gtk2' > /dev/null ; then

		warn "you need USE_GNOME+=gtk20"

	elif expr ${pkg} : '^gtk3' > /dev/null ; then

		warn "you need USE_GNOME+=gtk30"

	elif expr ${pkg} : '^cairo-[0-9]' > /dev/null ; then

		warn "you need USE_GNOME+=cairo"

	elif expr ${pkg} : '^sqlite3' > /dev/null ; then

		warn "you need USES+=sqlite"

	# sdl-related

	elif expr ${pkg} : '^sdl-1' > /dev/null ; then

		warn "you need USE_SDL+=sdl"

	elif echo ${pkg} | grep -E '^sdl_(console|gfx|image|mixer|mm|net|pango|sound|ttf)-' > /dev/null ; then

		warn "you need USE_SDL+=$(echo ${pkg} | sed -E 's/^sdl_(.+)\-.*/\1/')"

	elif expr ${pkg} : '^sdl2-2' > /dev/null ; then

		warn "you need USE_SDL+=sdl2"

	elif echo ${pkg} | grep -E '^sdl2_(gfx|image|mixer|net|ttf)-' > /dev/null ; then

		warn "you need USE_SDL+=$(echo ${pkg} | sed -E 's/^sdl2_(.+)\-.*/\1/')2"

	# gl-related

	elif expr ${pkg} : 'libGL-[0-9]' > /dev/null ; then

		warn "you need USE_GL+=gl"

	elif expr ${pkg} : 'gbm-[0-9]' > /dev/null ; then

		warn "you need USE_GL+=gbm"

	elif expr ${pkg} : 'libglesv2-[0-9]' > /dev/null ; then

		warn "you need USE_GL+=glesv2"

	elif expr ${pkg} : '^libEGL-[0-9]' > /dev/null ; then

		warn "you need USE_GL+=egl"

	elif expr ${pkg} : '^glew-[0-9]' > /dev/null ; then

		warn "you need USE_GL+=glew"

	elif expr ${pkg} : '^libGLU-[0-9]' > /dev/null ; then

		warn "you need USE_GL+=glu"

	elif expr ${pkg} : '^libGLw-[0-9]' > /dev/null ; then

		warn "you need USE_GL+=glw"

	elif expr ${pkg} : '^freeglut-[0-9]' > /dev/null ; then

		warn "you need USE_GL+=glut"

	# Xorg-libraries: this should be by XORG_MODULES @ bsd.xorg.mk

	elif echo ${pkg} | grep -E '^lib(X11|Xau|Xdmcp|Xext|SM|ICE|Xfixes|Xft|Xdamage|Xcomposite|Xcursor|Xinerama|Xmu|Xmuu|Xpm|Xt|Xtst|Xi|Xrandr|Xrender|Xres|XScrnSaver|Xv|Xxf86vm|Xxf86dga|Xxf86misc|xcb)-' > /dev/null ; then

		warn "you need USE_XORG+=$(echo ${pkg} | sed -E 's/^lib(.+)\-.*/\1/' | tr '[:upper:]' '[:lower:]')"

	elif expr ${pkg} : '^pixman-[0-9]' > /dev/null ; then

		warn "you need USE_XORG+=pixman"

	# Qt4

	elif echo ${pkg} | grep -E '^qt4-([a-z0-9]+)-[0-9]' > /dev/null ; then

		warn "you need USE_QT4+=$(echo ${pkg} | sed -E 's/^qt4-([a-z0-9]+)-[0-9].*/\1/')"

	# Qt5

	elif echo ${pkg} | grep -E '^qt5-([a-z]+)-[0-9]' > /dev/null ; then

		warn "you need USE_QT5+=$(echo ${pkg} | sed -E 's/^qt5-([a-z]+)-[0-9].*/\1/')"

	# MySQL

	elif expr ${lib_file} : "${LOCALBASE}/lib/mysql/[^/]*$" > /dev/null ; then

		warn "you need USES+=mysql"

	# default

	elif expr ${lib_file} : "${LOCALBASE}/lib/[^/]*$" > /dev/null ; then

		lib_file=${lib_file#${LOCALBASE}/lib/}

		lib_file=${lib_file%.so*}.so

		warn "you need LIB_DEPENDS+=${lib_file}:$(pkg_to_origin ${pkg})"

	fi

}

subst_dep_file() {

	local dep_file=$1

	if expr ${dep_file} : "${LOCALBASE}/lib/libGL.so.[0-9]$" > /dev/null ; then

		if [ -f ${LOCALBASE}/lib/.mesa/libGL.so ] ; then

			echo ${LOCALBASE}/lib/.mesa/libGL.so

			return

		fi

	elif expr ${dep_file} : "${LOCALBASE}/lib/libEGL.so.[0-9]$" > /dev/null ; then

		if [ -f ${LOCALBASE}/lib/.mesa/libEGL.so ] ; then

			echo ${LOCALBASE}/lib/.mesa/libEGL.so

			return

		fi

	fi

	echo ${dep_file}

}

proxydeps() {

	local pkg="${PKG_NAME}"

	local filelist="$(list_staged_execs)"

	local deplist="${PKG_DEPS}"

	local file dep_file dep_file_pkg already pkg_dep_files

	# check for every dynamic executable

	for file in ${filelist}; do

		pkg_dep_files=$(list_immediate_deps "${file}")

		for dep_file in $pkg_dep_files; do

			dep_file=$(subst_dep_file ${dep_file})

			if listcontains ${dep_file} "${already}" ; then

				continue

			fi

			if ! (expr "$dep_file" : '^/lib/' \| "$dep_file" : '^/usr/lib/' > /dev/null) ; then

				if $(pkg which ${dep_file} > /dev/null 2>&1) ; then

					dep_file_pkg=$(pkg which ${dep_file} | sed -e 's/.* installed by package //g')

					if ! listcontains ${dep_file_pkg} "${deplist} ${pkg}" && [ $(pkg_to_origin ${dep_file_pkg}) != ${PKG_ORIGIN} ] ; then

						warn "dependency file '${dep_file}' belongs to the package ${dep_file_pkg} which isn't declared as a dependency"

						proxydeps_suggest_uses ${dep_file_pkg} ${dep_file}

					fi

				else

					warn "dependency file '${dep_file}' doesn't belong to any package"

				fi

			fi

			already="${already} ${dep_file}"

		done

	done

}

usage () {

	echo "usage: $0 pkg-name pkg-origin pkg-deps scriptsdir"

	exit 1

}

[ "$#" -eq 4 ] || usage

PKG_NAME=$1

PKG_ORIGIN=$2

PKG_DEPS=$3

SCRIPTSDIR=$4

. ${SCRIPTSDIR}/qa-proxydeps.sh

ACTUAL-PACKAGE-DEPENDS-NAMES?= \

	if [ "${_LIB_RUN_DEPENDS}" != "  " ]; then \

		${PKG_QUERY} "%n-%v" " " ${_LIB_RUN_DEPENDS:C,[^:]*:([^:]*):?.*,\1,:C,${PORTSDIR}/,,} 2>/dev/null || : ; \

	fi