Script to set the photos and videos in the gallery to be the same in all iOS simulators

reset-media-on-simulators.rb

#!/usr/bin/env ruby

require 'json'
require 'optparse'

$shutDownSimulators = false
$bootSimulators = false
$leaveExisting = false
$alterDates = true

OptionParser.new do |opts|

  opts.banner = "Usage #{$0} [options] folder-of-media"

  opts.on("-s", "--[no-]-shutdown-simulators", "Shutdown simulators before adding media. Default #{$shutDownSimulators}") do |b|
    $shutDownSimulators = b
  end

  opts.on("-b", "--[no-]-boot-simulators", "Boot simulators after adding media. Default #{$bootSimulators}") do |b|
    $bootSimulators = b
  end

  opts.on("-l", "--[no-]-leave-existing-media", "Leave existing media. Default #{$leaveExisting ? 'leave' : 'delete'}") do |b|
    $leaveExisting = b
  end

  opts.on("-d", "--[no-]-alter-dates", "Alters the dates of the added media to one each day, starting today, working backwards. Default #{$alterDates}") do |b|
    $alterDates = b
  end

end.parse!

$newMediaFolder = ARGV[0]

unless $newMediaFolder 
  puts "First argument must be the path to a folder of media to add to the simulators"
  exit
end


simulators = []

JSON.parse(`xcrun simctl list devices --json`)["devices"].each do |runtime, s|
  simulators.concat(s) if runtime =~ /iOS/
end

ids = simulators.map { |json| json["udid"] }

def r(s)
  return if s.empty?
  puts s
end


def shutDownSimulators
  return unless $shutDownSimulators
  r `xcrun simctl shutdown all`
end

def removeExistingMedia(id)
  return if $leaveExisting
  r `rm -fr ~/Library/Developer/CoreSimulator/Devices/#{id}/data/Media/DCIM/100APPLE/*`
  r `rm -fr ~/Library/Developer/CoreSimulator/Devices/#{id}/data/Media/PhotoData`
end

def bootSimulator(id)
  return unless $bootSimulators
  r `xcrun simctl boot #{id}`
end

def addNewMedia(id)
  r `cp #{File.join($newMediaFolder, "*")} ~/Library/Developer/CoreSimulator/Devices/#{id}/data/Media/DCIM/100APPLE/`
end

class Integer 
  def minutes
    self * 60
  end

  def hours
    minutes * 60
  end

  def days
    hours * 24
  end
end

def setNewMediaDates(id)
  return unless $alterDates
  time = Time.now() - rand(1..3).round.hours
  Dir[File.expand_path("~/Library/Developer/CoreSimulator/Devices/#{id}/data/Media/DCIM/100APPLE/*")].entries.each do |p|
    r `touch -t #{time.strftime('%Y%m%d%H%M')} #{p}`
    time = time - rand(1..3).round.days + rand(1..12).hours
  end
end

shutDownSimulators

ids.each do |id|
  removeExistingMedia(id)
  addNewMedia(id)
  setNewMediaDates(id)
  bootSimulator(id)
end