bumpup-tfcmt

#!/usr/bin/env ruby

require 'net/http'
require 'yaml'

TARGET_OS_ARCH = 'linux_amd64'.freeze

def retrieve_checksum(version)
  uri_str = "https://github.com/suzuki-shunsuke/tfcmt/releases/download/v#{version}/tfcmt_#{version}_checksums.txt"
  res = fetch(uri_str)
  res.body.split("\n").find { |l| l.include?(TARGET_OS_ARCH) }&.split(' ')&.first
end

def fetch(uri_str, limit = 2)
  raise 'HTTP redirect too deep' if limit == 0

  url = URI(uri_str)
  req = Net::HTTP::Get.new(url)
  response = Net::HTTP.start(url.host, url.port, use_ssl: true) { |http| http.request(req) }
  case response
  when Net::HTTPSuccess
    response
  when Net::HTTPRedirection
    fetch(response['location'], limit - 1)
  else
    p response.body
    response.error!
  end
end

target_version = ARGV[0]
unless target_version
  abort "Usage: #{$0} target_version"
end

target_checksum = retrieve_checksum(target_version)

yaml_path = 'setup/action.yml'
yaml = YAML.load_file(yaml_path)
old_version = yaml['runs']['steps'][0]['run'].slice(%r{v([^/]+)}, 1)
old_checksum = yaml['runs']['steps'][1]['run'].slice(%r{echo '([^ ]+)}, 1)

content = File.read(yaml_path).sub(old_version, target_version).sub(old_checksum, target_checksum)
File.write(yaml_path, content)