Fix permissions (#113)

* Fix permissions

* fix s6

* Fix lint

Author: pvizeli

rootfs/etc/cont-init.d/alsa-mixer.sh

@@ -1,8 +1,12 @@
-#!/usr/bin/execlineb -S0
+#!/usr/bin/env bashio
 # ==============================================================================
-# Take down the S6 supervision tree when PulseAudio fails
+# Take down the S6 supervision tree when service fails
+# s6-overlay docs: https://github.com/just-containers/s6-overlay
 # ==============================================================================
-if { s6-test ${1} -ne 0 }
-if { s6-test ${1} -ne 256 }
 
-s6-svscanctl -t /var/run/s6/services
+if [[ "$1" -ne 0 ]] && [[ "$1" -ne 256 ]]; then
+  bashio::log.warning "Halt Audio plugin"
+  exec /run/s6/basedir/bin/halt
+fi
+
+bashio::log.info "Service restart after closing"

rootfs/etc/cont-init.d/filesystem.sh

@@ -1,4 +1,5 @@
 #!/bin/sh
+# shellcheck disable=SC2086,SC2001,SC1091
 # Source: https://github.com/LibreELEC/LibreELEC.tv/blob/master/packages/audio/alsa-utils/scripts/soundconfig
 
 # SPDX-License-Identifier: GPL-2.0-or-later