improve readme + make a real daemon

README.md

@@ -2,8 +2,7 @@
 
 `xlock` really does nothing, it only wraps [`i3lock`](https://github.com/i3/i3lock) screen locker into [systemd](https://freedesktop.org/wiki/Software/systemd/) to allow a seamless screen lock. Your screen stays the same, the mouse pointer works, but you can't do anything. You just have to type your password, press enter and here you go .
 
-Your friends and coworkers can try anything, they won't be able to do anything. Even if they find out how to kill the `i3lock` process, it won't unlock your computer.
-
+Even if one finds out how to kill the `i3lock` process or the `xlock` one, it won't unlock your screen.
 
 ### Installation
 

install.sh

@@ -11,11 +11,15 @@ sudo cp "$local_d/src/xlock" "$bin_d/xlock";
 sudo chmod +x "$bin_d/xlock";
 
 # copy systemd files
-printf "(2) copying systemd units\n";
+printf "(2) copying systemd daemon\n";
 sudo cp $local_d/systemd/* "$systemd_d";
 
 # enable path
 printf "(3) enabling systemd watcher\n";
-sudo systemctl enable "xlock@$user.path" > /dev/null 2>&1;
+sudo systemctl enable "xlock@$user.service" > /dev/null 2>&1;
+# sudo systemctl enable "xlock@$user.path" > /dev/null 2>&1;
+
+# reload systemd if not first install
+sudo systemctl daemon-reload;
 
 printf "\n .  install sucessful\n"

src/xlock

@@ -5,9 +5,16 @@ log_b="0";
 
 while true; do
 
-	# if lock file -> exit
+	# if lock file -> wait for changes
 	if [ -f "$unlock_f" ]; then
-		exit 0;
+
+		# wait while file exists
+		while [ -f "$unlock_f" ]; do
+			sleep 1;
+		done;
+
+		# re-lock when deleted
+		continue;
 	fi;
 
 

systemd/xlock@.path

@@ -1,9 +0,0 @@
-[Unit]
-Description=Locker lock file watcher
-
-[Path]
-PathModified=/tmp
-Unit=xlock@%i.service
-
-[Install]
-WantedBy=multi-user.target

systemd/xlock@.service

@@ -1,12 +1,15 @@
 [Unit]
 Description=Locker daemon
+# allows infinite restarts
+StartLimitIntervalSec=0
 
 [Service]
-Type=oneshot
-RemainAfterExit=false
+Type=simple
 User=%i
 Group=%i
 
+Restart=always
+
 Environment="DISPLAY=:0"
 Environment="XAUTHORITY=/home/%i/.Xauthority"
 ExecStart=/usr/sbin/xlock