#!/bin/sh
# Copyright 2019 Collabora Ltd.
# SPDX-License-Identifier: Zlib
# (see "zlib/libpng" in debian/copyright)

set -eux

if [ -n "${AUTOPKGTEST_ARTIFACTS-}" ]; then
	WORKDIR="$AUTOPKGTEST_ARTIFACTS"
else
	WORKDIR="$(mktemp -d)"
	trap 'cd /; rm -fr "$WORKDIR"' 0 INT QUIT ABRT PIPE TERM
fi

# Make sure the source tree is in a patches-applied state
dpkg-source --before-build .

if [ -n "${DEB_HOST_GNU_TYPE:-}" ]; then
    CROSS_COMPILE="$DEB_HOST_GNU_TYPE-"
else
    CROSS_COMPILE=
fi

# This is shipped in the debconf package
cp /usr/share/pixmaps/debian-logo.png "$WORKDIR"
cp ./showimage.c "$WORKDIR"

cd "$WORKDIR"

# Deliberately word-splitting pkg-config's output:
# shellcheck disable=SC2046
"${CROSS_COMPILE}gcc" -oshowimage showimage.c $("${CROSS_COMPILE}pkg-config" --cflags --libs SDL2_image)

set -- ./showimage

if [ -z "${TEST_INTERACTIVE-}" ]; then
	echo "(export TEST_INTERACTIVE=1 for an interactive test)"
	set -- xvfb-run -s '-screen 0 1280x1024x24' "$@" -quit
fi

set -- "$@" -save debian-logo.bmp debian-logo.png

"$@"

file debian-logo.bmp
