#!/bin/sh
case "$SNAP_ARCH" in
    *86)
    ARCH="i386-linux-gnu"
    ;;
    amd64)
    ARCH="x86_64-linux-gnu"
    ;;
    *)
    ARCH="$SNAP_ARCH-linux-gnu"
    ;;
esac


export HOME="$SNAP_USER_DATA"
cd

export LD_LIBRARY_PATH="$SNAP/usr/lib/$ARCH/pulseaudio:$LD_LIBRARY_PATH"
export LD_LIBRARY_PATH="$SNAP/usr/lib/$ARCH/dri:$LD_LIBRARY_PATH"
export LD_LIBRARY_PATH="$SNAP/usr/lib/$ARCH/qt5/libs:$LD_LIBRARY_PATH"
export QT_PLUGIN_PATH="$SNAP/usr/lib/$ARCH/qt5/plugins"
export XDG_DATA_HOME="$SNAP/usr/share"
export FONTCONFIG_PATH="$SNAP/etc/fonts/config.d"
export FONTCONFIG_FILE="$SNAP/etc/fonts/fonts.conf"
export XKB_CONFIG_ROOT="$SNAP/usr/share/X11/xkb"
# Mesa Libs
export LD_LIBRARY_PATH="$SNAP/usr/lib/$ARCH/mesa:$LD_LIBRARY_PATH"
export LD_LIBRARY_PATH="$SNAP/usr/lib/$ARCH/mesa-egl:$LD_LIBRARY_PATH"
# Tell libGL where to find the drivers
export LIBGL_DRIVERS_PATH="$SNAP/usr/lib/$ARCH/dri"

# Ensure that the Minetest HW/opengl libs are before the snap specific libs
export LD_LIBRARY_PATH="$SNAP_LIBRARY_PATH:$LD_LIBRARY_PATH"

# Make sure ~/.minetest is $SNAP_USER_DATA
if [ ! -e "$SNAP_USER_DATA/.minetest" ]; then
    ln -s . "$SNAP_USER_DATA/.minetest"
fi

# Make sure the base textures are linked
t="$SNAP_USER_DATA/textures/base"
s="$SNAP/share/minetest/textures/base"
if [ ! -e "$t/pack" ] || [ "$(readlink -m "$t")" != "$s" ]; then
    mkdir -p "$SNAP_USER_DATA/textures"
    ln -sf "$s" "$t"
fi

# Workaround for snap locale support
export LC_ALL="C.UTF-8"

# Make PulseAudio socket available inside the snap-specific $XDG_RUNTIME_DIR
# Code originally from https://github.com/ubuntu/snapcraft-desktop-helpers/blob/ec86125/common/desktop-exports#L257-L264
if [ -n "$XDG_RUNTIME_DIR" ]; then
    # $XDG_RUNTIME_DIR may not exist yet, use readlink to get the parent
    # directory anyway.
    pulseaudio_sockpath=$(readlink -m "$XDG_RUNTIME_DIR/../pulse/native")
    if [ -S "$pulseaudio_sockpath" ]; then
        export PULSE_SERVER="unix:${pulseaudio_sockpath}"
    fi
fi

exec "$SNAP/bin/minetest" "$@"