Generates a Swift package for writing katas and guard for running tests

swiftkata.rb

#!/usr/bin/ruby

kata_name = ARGV[0]

if kata_name == nil then
  puts "You must provide a Kata name."
  exit
end

LICENSEFILE = %Q{MIT License

Copyright (c) 2016 NxSoftware

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
}

GEMFILE = %Q{source "https://rubygems.org"

gem "colored"
gem "guard-shell"
}

GUARDFILE = %Q{require 'colored'

clearing :on

guard :shell do
  watch(/(.*).swift$/) do |m|
    puts "Modified \#{m[0]}"

    output = ""
    errors = ""
    exit_status = Open3.popen3("swift test") do |stdin, stdout, strerr, wait_thr|
      stdin.close
      output << stdout.read
      errors << strerr.read
      wait_thr.value
    end

    puts output.yellow

    if exit_status.success? then
      puts errors.cyan
      puts "Passed".green
    else
      puts errors.red
      puts "Failed".white_on_red.to_eol
    end
  end
end
}

`mkdir #{kata_name}`
`swift package init -C #{kata_name}`
`git init #{kata_name}`

def write(content, file)
  File.open(file, 'w') do |f|
    f.write(content)
  end
end

write(GEMFILE, "#{kata_name}/Gemfile")
write(GUARDFILE, "#{kata_name}/Guardfile")
write(LICENSEFILE, "#{kata_name}/LICENSE")

NSScreencast episode 246 inspired this script.

http://nsscreencast.com/episodes/246-improved-guard-setup-for-swift