replace current script based xsession invocation with a systemd based

tasks/i3.yaml

@@ -19,7 +19,14 @@
     path: ~/.config/i3blocks
     state: directory
 
-- name: i3blocks config
+- name: i3wm graphical-session service
   template:
-    src: i3/i3blocks.config.j2
-    dest: ~/.config/i3blocks/config
+    src: i3/i3wm.service.j2
+    dest: ~/.config/systemd/user/i3wm.service
+  notify: systemd daemon-reload
+
+- name: i3wm graphical-session service enabled
+  systemd:
+    name: i3wm.service
+    enabled: true
+    scope: user

tasks/x11.yaml

@@ -22,6 +22,12 @@
     dest: ~/.xsession.reload.fish
     mode: 0755
 
+- name: xsession systemd target
+  template:
+    src: x11/xsession.target.j2
+    dest: ~/.config/systemd/user/xsession.target
+  notify: systemd daemon-reload
+
 - name: xsessionrc
   template:
     src: x11/xsessionrc.j2

templates/i3/i3wm.service.j2

@@ -0,0 +1,11 @@
+[Unit]
+Description=i3 Window Manager
+PartOf=graphical-session.target
+
+[Service]
+ExecStart=/usr/bin/i3
+ExecStopPost=/bin/systemctl --user stop graphical-session.target
+Restart=on-failure
+
+[Install]
+RequiredBy=xsession.target

templates/x11/xsession.target.j2

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

templates/x11/xsessionrc.j2

@@ -2,13 +2,4 @@
 
 {{ansible_managed|comment}}
 
-if [ -d /etc/profile.d ]; then
-  for i in /etc/profile.d/*.sh; do
-    if [ -r $i ]; then
-      . $i
-    fi
-  done
-  unset i
-fi
-
-exec fish ~/.xsession.fish
+exec systemctl --user start --wait xsession.target