From c315a09d379b158a6bc3487f1895c59361eecab6 Mon Sep 17 00:00:00 2001
From: Jack Foltz <jack@foltz.io>
Date: Mon, 3 Dec 2018 18:47:58 -0500
Subject: [PATCH] Xorg as a systemd service

---
 lain/.config/systemd/user/compton.service        |  9 +++++
 lain/.config/systemd/user/emacs.service          | 12 ++++++
 lain/.config/systemd/user/i3@.service            | 13 +++++++
 lain/.config/systemd/user/polybar-bottom.service |  9 +++++
 lain/.config/systemd/user/polybar-top.service    |  9 +++++
 lain/.config/systemd/user/wallpaper.service      |  4 +-
 lain/.config/systemd/user/x11@.target            |  2 +
 lain/.xinitrc                                    | 47 +++++++++++-------------
 lain/.xserverrc                                  |  7 ++++
 9 files changed, 85 insertions(+), 27 deletions(-)
 create mode 100644 lain/.config/systemd/user/compton.service
 create mode 100644 lain/.config/systemd/user/emacs.service
 create mode 100644 lain/.config/systemd/user/i3@.service
 create mode 100644 lain/.config/systemd/user/polybar-bottom.service
 create mode 100644 lain/.config/systemd/user/polybar-top.service
 create mode 100644 lain/.config/systemd/user/x11@.target
 create mode 100644 lain/.xserverrc

diff --git a/lain/.config/systemd/user/compton.service b/lain/.config/systemd/user/compton.service
new file mode 100644
index 0000000..82a537a
--- /dev/null
+++ b/lain/.config/systemd/user/compton.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=X11 Compositor
+
+[Service]
+Type=forking
+ExecStart=compton --config /home/lain/.config/compton/config -b
+
+[Install]
+WantedBy=i3@.service
diff --git a/lain/.config/systemd/user/emacs.service b/lain/.config/systemd/user/emacs.service
new file mode 100644
index 0000000..6deb087
--- /dev/null
+++ b/lain/.config/systemd/user/emacs.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=Emacs text editor
+Documentation=info:emacs man:emacs(1) https://gnu.org/software/emacs/
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/emacs --fg-daemon
+ExecStop=/usr/bin/emacsclient --eval "(kill-emacs)"
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
diff --git a/lain/.config/systemd/user/i3@.service b/lain/.config/systemd/user/i3@.service
new file mode 100644
index 0000000..654bca0
--- /dev/null
+++ b/lain/.config/systemd/user/i3@.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=i3 Window Manager
+After=x11@0.target
+Requisite=x11@0.target
+
+[Service]
+Environment=DISPLAY=:0
+Type=simple
+ExecStart=/usr/bin/env bash -c 'exec 8>%t/x11-wm@0; exec i3'
+SyslogIdentifier=i3
+
+[Install]
+RequiredBy=x11@0.target
diff --git a/lain/.config/systemd/user/polybar-bottom.service b/lain/.config/systemd/user/polybar-bottom.service
new file mode 100644
index 0000000..91e0b2c
--- /dev/null
+++ b/lain/.config/systemd/user/polybar-bottom.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Polybar Bottom
+
+[Service]
+Type=simple
+ExecStart=polybar bottom
+
+[Install]
+WantedBy=i3@.target
diff --git a/lain/.config/systemd/user/polybar-top.service b/lain/.config/systemd/user/polybar-top.service
new file mode 100644
index 0000000..d1233d6
--- /dev/null
+++ b/lain/.config/systemd/user/polybar-top.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Polybar Top
+
+[Service]
+Type=simple
+ExecStart=polybar top
+
+[Install]
+WantedBy=i3@.target
diff --git a/lain/.config/systemd/user/wallpaper.service b/lain/.config/systemd/user/wallpaper.service
index 00d6924..89841cd 100644
--- a/lain/.config/systemd/user/wallpaper.service
+++ b/lain/.config/systemd/user/wallpaper.service
@@ -3,7 +3,7 @@ Description=Load a random wallpaper and colorscheme
 
 [Service]
 Type=forking
-ExecStart=/usr/bin/wal -q -i "/home/lain/Pictures/wallpapers" -a "85"
+ExecStart=/usr/bin/wal -i "/home/lain/Pictures/wallpapers" -a "85"
 
 [Install]
-WantedBy=multi-user.target
+WantedBy=i3@.target
diff --git a/lain/.config/systemd/user/x11@.target b/lain/.config/systemd/user/x11@.target
new file mode 100644
index 0000000..f4cc043
--- /dev/null
+++ b/lain/.config/systemd/user/x11@.target
@@ -0,0 +1,2 @@
+[Unit]
+Description=Connection to X11 display %i
diff --git a/lain/.xinitrc b/lain/.xinitrc
index c69f4a3..55d9e00 100644
--- a/lain/.xinitrc
+++ b/lain/.xinitrc
@@ -2,35 +2,32 @@
 
 userresources=$HOME/.Xresources
 usermodmap=$HOME/.Xmodmap
-sysresources=/etc/X11/xinit/.Xresources
-sysmodmap=/etc/X11/xinit/.Xmodmap
-
-xrdb $userresources
+sysresources=/etc/x11/xinit/.Xresources
+sysmodmap=/etc/x11/xinit/.Xmodmap
 
 # merge in defaults and keymaps
-if [ -f $sysresources ]; then
-    xrdb -merge $sysresources
+if [ -f $sysresources ]; then xrdb -merge $sysresources; fi
+if [ -f $sysmodmap ]; then xmodmap $sysmodmap; fi
+if [ -f $userresources ]; then xrdb -merge $userresources; fi
+if [ -f $usermodmap ]; then xmodmap $usermodmap; fi
+
+if [ -d /etc/x11/xinit/xinitrc.d ]; then
+    for f in /etc/x11/xinit/xinitrc.d/?*.sh ; do
+        [ -x "$f" ] && . "$f"
+    done
+    unset f
 fi
 
-if [ -f $sysmodmap ]; then
-    xmodmap $sysmodmap
-fi
+# The window manager will open this named pipe, closing it once it exits.
+mkfifo "${XDG_RUNTIME_DIR}/x11-wm@${DISPLAY:1:2}"
 
-if [ -f "$userresources" ]; then
-    xrdb -merge "$userresources"
-fi
+# Delete the pipe on exit
+trap "rm -f ${XDG_RUNTIME_DIR}/x11-wm@${DISPLAY:1:2}" EXIT
 
-if [ -f "$usermodmap" ]; then
-    xmodmap "$usermodmap"
-fi
+# Fork a process that will exit once the pipe is closed
+cat < "${XDG_RUNTIME_DIR}/x11-wm@${DISPLAY:1:2}" &
 
-# start some nice programs
-
-if [ -d /etc/X11/xinit/xinitrc.d ] ; then
- for f in /etc/X11/xinit/xinitrc.d/?*.sh ; do
-  [ -x "$f" ] && . "$f"
- done
- unset f
-fi
-
-exec i3 >~/.config/i3/log
+systemctl --user start "x11@${DISPLAY:1:2}.target" &
+# Wait for the pipe (window manager) to close
+wait
+systemctl --user stop "x11@${DISPLAY:1:2}.target" & 
diff --git a/lain/.xserverrc b/lain/.xserverrc
new file mode 100644
index 0000000..8a40e39
--- /dev/null
+++ b/lain/.xserverrc
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+if [ -z "$XDG_VTNR" ]; then
+    exec /usr/bin/Xorg -nolisten tcp -nolisten local "@"
+else
+    exec /usr/bin/Xorg -nolisten tcp -nolisten local -keeptty "$@" vt$XDG_VTNR
+fi