vincentbernat.i3wm-configuration/rc/start.lua

-- Setup display
local xrandr = {
   naruto = "--output VGA1 --auto --output DVI1 --auto --left-of VGA1",
   neo    = "--output HDMI-0 --auto --output DVI-0 --auto --right-of HDMI-0",
   alucard = "--output DVI-0 --auto --primary --output DisplayPort-0 --auto --right-of DVI-0"
}
if xrandr[config.hostname] then
   os.execute("xrandr " .. xrandr[config.hostname])
end

-- Spawn a composoting manager
awful.util.spawn("compton", false)
awful.util.spawn("xcompmgr", false) -- Will fail if compton has been started

-- Start idempotent commands
local execute = {
   -- Start PulseAudio
   "pulseaudio --check || pulseaudio -D",
   "xset -b",	-- Disable bell
   -- Enable numlock
   "numlockx on",
   -- Read resources
   "xrdb -merge " .. awful.util.getdir("config") .. "/Xresources",
   -- Default browser
   "xdg-mime default " .. config.browser .. ".desktop " ..
      "x-scheme-handler/http " ..
      "x-scheme-handler/https " ..
      "text/html",
   -- Default MIME types
   "xdg-mime default evince.desktop application/pdf"
   "xdg-mime default gpicview.desktop image/png image/jpeg image/jpg image/gif"
}

-- Keyboard/Mouse configuration
if config.hostname == "alucard" then
   execute = awful.util.table.join(
      execute, {
	 -- Keyboard and mouse
	 "xset m 4 3",	-- Mouse acceleration
	 "setxkbmap us,fr '' compose:rwin ctrl:nocaps grp:rctrl_rshift_toggle",
	 "xmodmap -e 'keysym Pause = XF86ScreenSaver'",
	       })
elseif config.hostname == "neo" then
   execute = awful.util.table.join(
      execute, {
	 -- Keyboard and mouse
	 "xset m 3 3",	-- Mouse acceleration
	 "setxkbmap us,fr '' compose:rwin ctrl:nocaps grp:rctrl_rshift_toggle",
	 "xmodmap -e 'keysym Pause = XF86ScreenSaver'",
	       })
elseif config.hostname == "guybrush" then
   execute = awful.util.table.join(
      execute, {
	 -- Keyboard and mouse
	 "setxkbmap us,fr '' compose:ralt ctrl:nocaps grp:rctrl_rshift_toggle",
	 "xmodmap -e 'keysym XF86WebCam = XF86ScreenSaver'",
	 -- Wheel emulation
	 "xinput set-int-prop 'TPPS/2 IBM TrackPoint' 'Evdev Wheel Emulation' 8 1",
	 "xinput set-int-prop 'TPPS/2 IBM TrackPoint' 'Evdev Wheel Emulation Button' 8 2",
	 "xinput set-int-prop 'TPPS/2 IBM TrackPoint' 'Evdev Wheel Emulation Axes' 8 6 7 4 5",
	 -- Disable touchpad
	 "xinput set-int-prop 'SynPS/2 Synaptics TouchPad' 'Synaptics Off' 8 1"})
end

os.execute(table.concat(execute, ";"))

-- Spawn various X programs
xrun("polkit-gnome-authentication-agent-1",
     "/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1")
xrun("pidgin", "pidgin -n")

if config.hostname == "neo" then
   xrun("keepassx", "keepassx -min -lock")
   xrun("transmission", "transmission-gtk -m")
elseif config.hostname == "guybrush" then
   xrun("keepassx", "keepassx -min -lock")
   xrun("NetworkManager Applet", "nm-applet")
end