Mac GPU switching fix

mac_fix_gpu.sh

#!/usr/bin/env bash

# https://gist.github.com/BobbyRyterski/096c2566ca486649d25c
# save your battery, fix settings for apps that default to use the discrete gpu

# http://answers.microsoft.com/en-us/mac/forum/macoffice2011-macoutlook/office-for-mac-mavericks-high-performance-gpu/e1a6aff0-e36e-40ae-ab62-aa7e3e0c6b10
# http://blog.her.se/2014/03/increase-battery-performance-in-your.html
 
fix_app_gpu_defaults() {
  [[ -d "$1" ]] || { echo "App not found: $1" >&2; return 1; }
  defaults write "$1/Contents/Info.plist" 'NSSupportsAutomaticGraphicsSwitching' -bool true
  if [[ $? -eq 0 ]]; then
    chmod 664 "$1/Contents/Info.plist"
    codesign -f --verbose --deep -s - "$1/"
  else
    echo "Fix failed for app: $1" >&2
    return 1
  fi
}