[Unit]
Description=X Window Manager
After=graphical-session-pre.target
PartOf=graphical-session.target
Documentation=man:i3(1)

[Service]
Slice=session.slice
Type=simple
ExecStart=/usr/bin/i3
ExecStop=/usr/bin/sh -c '/usr/bin/i3-msg exit || true'
ExecReload=/usr/bin/i3-msg reload

[Install]
Alias=window-manager.service