systemd: tentative to manage session with systemd

To me, I think it was cleaner to have a parameter with the current
display. This way, the session is specific to the current display. It
seems BindsTo doesn't think this way.

systemd/autorandr@.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Configure displays
+PartOf=graphical-session@%i.target
+
+[Service]
+Environment=DISPLAY=%I
+ExecStart=/usr/bin/autorandr --change --default default
+Type=oneshot
+RemainAfterExit=false
+
+[Install]
+WantedBy=graphical-session@%i.target

systemd/awesome@.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Awesome window manager
+PartOf=graphical-session@%i.target
+
+[Service]
+Environment=DISPLAY=%I
+ExecStart=/usr/bin/awesome
+ExecStopPost=/bin/systemctl --user stop graphical-session@%i.target
+Restart=on-failure
+
+[Install]
+RequiredBy=xsession@%i.target

systemd/compton@.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Compositor for X11
+PartOf=graphical-session@%i.target
+
+[Service]
+Environment=DISPLAY=%I
+ExecStart=/usr/bin/compton --backend glx \
+                           --xrender-sync \
+                           --xrender-sync-fence \
+                           --vsync opengl-swc \
+                           --paint-on-overlay
+
+[Install]
+WantedBy=graphical-session@%i.target

systemd/inputplug@.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=XInput event monitor
+PartOf=graphical-session@%i.target
+
+[Service]
+Environment=DISPLAY=%I
+ExecStartPre=/usr/bin/setxkbmap us
+ExecStart=%h/bin/inputplug -0 -c %h/.config/awesome/bin/input-event
+Type=forking
+
+[Install]
+WantedBy=graphical-session@%i.target

systemd/misc-x@.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Miscellaneous settings for X11
+PartOf=graphical-session@%i.target
+
+[Service]
+Environment=DISPLAY=%I
+ExecStart=/usr/bin/xset -b
+ExecStart=/usr/bin/numlock on
+Type=oneshot
+RemainAfterExit=false
+
+[Install]
+WantedBy=graphical-session@%i.target

systemd/nm-applet@.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Network Manager applet
+PartOf=graphical-session@%i.target
+
+[Service]
+Environment=DISPLAY=%I
+ExecStart=/usr/bin/nm-applet
+
+[Install]
+WantedBy=graphical-session@%i.target

systemd/policykit-agent@.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=PolicyKit authentication agent
+PartOf=graphical-session@%i.target
+
+[Service]
+Environment=DISPLAY=%I
+ExecStart=/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1
+
+[Install]
+WantedBy=graphical-session@%i.target

systemd/redshift@.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Set color temperature
+PartOf=graphical-session@%i.target
+
+[Service]
+Environment=DISPLAY=%I
+ExecStart=/usr/bin/redshift -l 2.35:48.87 -t 6500:3900
+
+[Install]
+WantedBy=graphical-session@%i.target

systemd/xiccd@.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=X color management
+PartOf=graphical-session@%i.target
+
+[Service]
+Environment=DISPLAY=%I
+ExecStart=/usr/bin/xiccd --edid
+
+[Install]
+WantedBy=graphical-session@%i.target

systemd/xsession@.target

@@ -0,0 +1,3 @@
+[Unit]
+Description=X session managed by systemd
+BindsTo=graphical-session@%i.target

systemd/xsettingsd@.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=XSETTINGS daemon
+PartOf=graphical-session@%i.target
+
+[Service]
+Environment=DISPLAY=%I
+ExecStart=/usr/bin/xsettingsd -c %h/.xsettingsd
+
+[Install]
+WantedBy=graphical-session@%i.target

systemd/xss-lock@.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Manage X screen saver
+PartOf=graphical-session@%i.target
+
+[Service]
+Environment=DISPLAY=%I
+ExecStart=%h/.config/awesome/bin/xss-lock start
+
+[Install]
+WantedBy=graphical-session@%i.target