Some rakefile fun for uploading a config json file, supports branching / pr

Rakefile

require 'aws-sdk'
require 'hub'

######################
#### CONFIG STUFF ####
######################

desc 'Update Config Files'
task :config do
  puts 'Updating config files...'
  s3 = AWS::S3.new(
  :access_key_id => '',
  :secret_access_key => '')

  bucket = s3.buckets['vertigo.work']

  tablet_config_name = config_file_name(false)
  tablet_config_name = "gngps/#{tablet_config_name}"

  handset_config_name = config_file_name(true)
  handset_config_name = "gngps/#{handset_config_name}"
  
  tablet_config = bucket.objects[tablet_config_name]
  handset_config = bucket.objects[handset_config_name]

  puts 'Saving Tablet Config...'
  tablet_config.write(Pathname.new('./BirdE/App/Supporting Files/Staging/config.ios.tablet.json'), :acl => :public_read, :content_type => 'application/json')
    
  puts 'Saving Handset Config...'
  handset_config.write(Pathname.new('./BirdE/App/Supporting Files/Staging/config.ios.handset.json'), :acl => :public_read, :content_type => 'application/json')
end

def config_file_name(isHandset)
  config = 'config.ios.tablet.json'

  if isHandset
    config = 'config.ios.handset.json'
  end

  current_branch = get_current_branch
  
   new_config = config

  if current_branch != 'master'
    new_config = "#{current_branch}#{config}"
  end

  new_config
end

def get_current_branch
   b = `git branch`.split("\n").delete_if { |i| i[0] != "*" }
   b.first.gsub("* ","")
end

desc 'creates a branch, updates config and pushes to origin'
task :branch do
  branch_name = ARGV[1]

  if branch_name == nil
    puts "*****ERROR**** Invalid branch name"
    exit
  end

  branch_command = "git checkout -b #{branch_name}"
  sh branch_command

  config_prefix(branch_name, true)

  # update configs
  sh "rake config"

  # commit changes
  sh "git commit -am \"set new branch\""

  # push changes to github
  sh "git push origin #{branch_name}"

  exit
end

desc 'updates config, pushes to origin, creates a pull request on GH'
task :pr do
  current_branch = get_current_branch

  config_prefix(current_branch, false)

  # commit changes
  sh "git commit -am \"remove config prefix\""

  # push changes to github
  sh "git push origin #{current_branch}"

  sh "hub pull-request -b vertigo:master -h vertigo:#{current_branch}"
end

def config_prefix(branch_name, add)
  filename = "./BirdE/App/Supporting Files/AppDefines.h"

  if add
    outdata = File.read(filename).gsub('CONFIG_PREFIX @""', "CONFIG_PREFIX @\"#{branch_name}\"")
  else
    outdata = File.read(filename).gsub("CONFIG_PREFIX @\"#{branch_name}\"", 'CONFIG_PREFIX @""')
  end

  File.open(filename, 'w') do |out|
    out << outdata
  end
end

desc 'updates from origin and updates config'
task :sync do
  current_branch = get_current_branch
  
  # pull changes from github
  sh "git pull origin #{current_branch}"

  # update config
  sh "rake config"
end