~/.{xmonad,config/taffybar}: update taffybar.

.config/taffybar/taffybar.hs

import System.Taffybar
import System.Taffybar.Battery
import System.Taffybar.Systray
import System.Taffybar.XMonadLog
import System.Taffybar.TaffyPager
import System.Taffybar.SimpleClock
import System.Taffybar.Widgets.PollingGraph
import System.Taffybar.Widgets.PollingLabel
            graphDataColors = [(0, 1, 0, 1), (1, 0, 1, 0.5)]
        }
        clock = textClockNew Nothing "<span fgcolor='orange'>%a %b %_d %H:%M</span>" 1
        log = xmonadLogNew
        log = taffyPagerNew defaultPagerConfig
        tray = systrayNew
        cpu = pollingGraphNew cpuCfg 3 cpuCallback
        battery = textBatteryNew "Bat: %d%%" 30
        battery = textBatteryNew "Bat: $percentage$%" 30
        memory = textMemoryNew 3
    defaultTaffybar defaultTaffybarConfig {
        barHeight = 15,

.xmonad/xmonad.hs

import XMonad
import XMonad.Actions.SpawnOn (manageSpawn, spawnHere)
import DBus.Client (connectSession)
import System.Taffybar.XMonadLog (dbusLog)
import System.Taffybar.Hooks.PagerHints (pagerHints)
import XMonad.Hooks.ManageDocks (ToggleStruts(..), manageDocks, avoidStruts)
import XMonad.Hooks.ManageHelpers
import XMonad.Hooks.SetWMName
import XMonad.Hooks.EwmhDesktops (ewmh)
import XMonad.Layout.NoBorders (smartBorders)
import XMonad.Layout.Fullscreen (fullscreenEventHook, fullscreenManageHook)
import XMonad.Util.Run (spawnPipe)
(??) = flip fmap
main = do
    dbusClient <- connectSession
    xmonad $ defaultConfig {
    xmonad $ ewmh $ pagerHints $ defaultConfig {
        modMask  = mod4Mask,
        terminal = "sakura",
        startupHook = setWMName "LG3D",
                     ] <+> manageHook defaultConfig,
        -- Don't overwrite the section used by docks
        layoutHook = avoidStruts $ smartBorders $ layoutHook defaultConfig,
        handleEventHook = fullscreenEventHook,
        logHook = dbusLog dbusClient
        handleEventHook = fullscreenEventHook
     } `additionalKeys` [
        ((mod4Mask, xK_b), spawnHere "chromium --allow-file-access-from-files"),
        ((mod4Mask .|. shiftMask, xK_b), spawnHere "chromium --incognito --allow-file-access-from-files"),