Extend snap packaging with further details

scripts/snap-wrapper.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+if [ "$SNAP_ARCH" == "amd64" ]; then
+	ARCH="x86_64-linux-gnu"
+elif [ "$SNAP_ARCH" == "armhf" ]; then
+	ARCH="arm-linux-gnueabihf"
+else
+	ARCH="$SNAP_ARCH-linux-gnu"
+fi
+
+export LD_LIBRARY_PATH=$SNAP/usr/lib/$ARCH:$LD_LIBRARY_PATH
+
+# 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
+
+# XDG Config
+export XDG_CONFIG_DIRS=$SNAP/etc/xdg:$XDG_CONFIG_DIRS
+export XDG_CONFIG_DIRS=$SNAP/usr/xdg:$XDG_CONFIG_DIRS
+# Note: this doesn't seem to work, QML's LocalStorage either ignores
+# or fails to use $SNAP_USER_DATA if defined here
+export XDG_DATA_DIRS=$SNAP_USER_DATA:$XDG_DATA_DIRS
+export XDG_DATA_DIRS=$SNAP/usr/share:$XDG_DATA_DIRS
+
+# Not good, needed for fontconfig
+export XDG_DATA_HOME=$SNAP/usr/share
+
+# Tell libGL where to find the drivers
+export LIBGL_DRIVERS_PATH=$SNAP/usr/lib/$ARCH/dri
+
+# ensure the snappy gl libs win
+export LD_LIBRARY_PATH="$SNAP_LIBRARY_PATH:$LD_LIBRARY_PATH"
+
+cd $SNAP
+
+if [ "$(id -u)" == "0" ] ; then
+	# Make sure our setup path for the container rootfs
+	# is present as lxc is statically configured for
+	# this path.
+	mkdir -p $SNAP_COMMON/lxc
+fi
+
+exec $SNAP/usr/bin/anbox $@