Improve shutdown detection

Signed-off-by: Ethan Dye <mrtops03@gmail.com>

zram-config

@@ -239,7 +239,7 @@ removeZdir() {
 removeZswap() {
 	log "INFO" "Beginning removal of swap device."
 
-	if [[ -z $SHUTDOWN ]] && swapoff "/dev${ZRAM_DEV}" &> /dev/null; then
+	if [[ -z $SHUTDOWN ]] && ! swapoff "/dev${ZRAM_DEV}" &> /dev/null; then
 		log "ERROR" "Failed to swapoff /dev${ZRAM_DEV}."
 		return 1
 	fi
@@ -279,7 +279,7 @@ serviceConfiguration() {
 		else
 			if [[ $(systemctl is-active rsyslog.service) == "active" ]]; then
 				export rsyslogActive="true"
-				if ! systemctl --no-block stop syslog.socket; then
+				if ! systemctl stop syslog.socket; then
 					log "ERROR" "Failed to stop syslog service."
 					return 1
 				fi
@@ -290,7 +290,7 @@ serviceConfiguration() {
 					log "ERROR" "Failed to flush journal."
 					return 1
 				fi
-				if ! systemctl --no-block stop systemd-journald.socket systemd-journald-audit.socket systemd-journald-dev-log.socket; then
+				if ! systemctl stop systemd-journald.socket systemd-journald-audit.socket systemd-journald-dev-log.socket; then
 					log "ERROR" "Failed to stop journald service."
 					return 1
 				fi
@@ -323,8 +323,8 @@ TMPDIR="/usr/local/lib/zram-config"
 ZDIR="/opt/zram"
 ZLOG="/usr/local/share/zram-config/log/zram-config.log"
 OS="$(grep -o '^ID=.*$' /etc/os-release | cut -d'=' -f2)"
-if [[ -s /run/systemd/shutdown/scheduled ]]; then
-	SHUTDOWN="1"
+if systemctl list-jobs | grep -q 'shutdown.target.*start' || systemctl list-jobs | grep -q 'reboot.target.*start'; then
+	SHUTDOWN=1
 fi
 
 case "$1" in
@@ -375,7 +375,7 @@ case "$1" in
 							TARGET_DIR="$5"
 							BIND_DIR="$6"
 							OLDLOG_DIR="$7"
-							serviceConfiguration "stop"
+							[[ -z $SHUTDOWN ]] && serviceConfiguration "stop"
 							createZdir
 							;;
 					esac
@@ -420,7 +420,7 @@ case "$1" in
 							ZRAM_DEV="$2"
 							TARGET_DIR="$3"
 							BIND_DIR="$4"
-							[[ -z $SHUTDOWN ]] && serviceConfiguration "stop"
+							serviceConfiguration "stop"
 							removeZdir
 							;;
 					esac