Move operating system detection to sxmo_common

Signed-off-by: Stacy Harper <contact@stacyharper.net>

scripts/core/sxmo_common.sh

@@ -9,6 +9,16 @@
 # we disable shellcheck SC2034 (variable not used)
 # for all the variables we define here
 
+# Determine current operating system
+if [ -f /etc/os-release ]; then
+	# freedesktop.org and systemd
+	# shellcheck disable=SC2034
+	. /etc/os-release
+	export OS="$NAME"
+else
+	export OS="Unknown"
+fi
+
 # shellcheck disable=SC2034
 export XDG_RUNTIME_DIR="${XDG_RUNTIME_DIR:-$HOME/.local/run}"
 # shellcheck disable=SC2034

scripts/modem/sxmo_modemmonitortoggle.sh

@@ -10,14 +10,6 @@
 # shellcheck source=scripts/core/sxmo_common.sh
 . "$(dirname "$0")/sxmo_common.sh"
 
-if [ -f /etc/os-release ]; then
-	# freedesktop.org and systemd
-	. /etc/os-release
-	OS=$NAME
-else
-	OS="Unknown"
-fi
-
 daemon_start() {
 	case "$OS" in
 		"Alpine Linux"|postmarketOS)