iv-mexx/git-releaselog

# Customise this file, documentation can be found here:
# https://github.com/KrauseFx/fastlane/tree/master/docs
# All available actions: https://github.com/KrauseFx/fastlane/blob/master/docs/Actions.md
# can also be listed using the `fastlane actions` command

# Change the syntax highlighting to Ruby
# All lines starting with a # are ignored when running `fastlane`

# If you want to automatically update fastlane if a new version is available:
# update_fastlane

# This is the minimum version number required.
# Update this, if you use features of a newer version
fastlane_version "1.30.2"

desc "Runs all the tests"
lane :test do
end

desc "Increment the version number of this gem"
desc "Returns the new version"
lane :bump_version do |options|
  path = "./lib/#{tool_name}/version.rb"

  local_version = tool_current_version
  puts "Local Version: #{local_version}"

  bump_type ||= 'minor' if prompt(text: "New Feature?", boolean: true)
  bump_type ||= 'patch' if bump_type.nil? && prompt(text: "Bugfix/Improvements?", boolean: true)

  if bump_type
    version_bump_podspec(path: path, bump_type: bump_type)
    git_commit(path: path,
               message: "chore(project): automatic version bump commit")
    push_to_git_remote

    sh "cd .. && bundle install"
    git_commit(path: "./Gemfile.lock",
               message: "chore(project): automatic Gemfile update")
    push_to_git_remote
  else
    puts "No changes, no Version Bump".red
  end
  version_get_podspec(path: path)
end

desc "Updates the CHANGELOG.md"
lane :update_changelog do |options|
  next_version = options[:next_version] || "Unreleased"

  # Create complete Changelog
  complete_changelog = create_changelog(complete: true, new_tag: next_version)

  changelog = "CHANGELOG.md"
  File.open("../#{changelog}", 'w') do |file|
    file.puts complete_changelog
  end

  if `git status --porcelain`.include?(changelog)
    path = "./#{changelog}"
    git_commit(path: path,
               message: "chore(changelog): update the changelog")
    push_to_git_remote
  else
    puts "Changelog already up to date".green
  end
end

desc "Deploy a new version to Github"
lane :deploy do
  # Git verification
  ensure_git_status_clean
  ensure_git_branch(branch: 'master')
  git_pull
  push_to_git_remote

  validate_repo(tool_name: tool_name)

  # Get current Version
  version_previous = last_git_tag.strip
  version_next = bump_version.strip

  # Update the CHANGELOG.md
  update_changelog(next_version: version_next)

  # Create Changelog for this Release
  update_releaselog = create_changelog(last_tag: version_previous, new_tag: version_next)

  # 1) This header is wrong, it displays the previous tag
  # 2) If it was right, this header would currently display "Unreleased" which still is not correct / good
  # TODO: For Github, create an option that simply strips the header instead of "Unreleased"
  # TODO: For others, create use the "to_tag" option to create the header even if the tag does not exist yet
  # As Workaround for now: Just remove the first three lines of the changelog
  update_releaselog = update_releaselog.split("\n")[2..-1].join("\n")

  # Create Github Release
  github_release = get_github_release(url: github_url, version: version_next)
  if (github_release || {}).fetch('body', '').length == 0
    title = prompt(text: 'Title: ')

    github_release = set_github_release(
      repository_name: github_url(tool: tool_name),
      name: [version_next, title].join(" "),
      tag_name: version_next,
      description: update_releaselog,
      commitish: "master",
      is_draft: false
    )
  end
  git_pull


  # Update the gem
  update_gem(tool_name: tool_name, version_next: version_next)
end

desc "Build and push the current version gem"
lane :update_gem do |options|
  tool_name = options[:tool_name] || "git-releaselog"
  version_next = options[:version_next] || "0.7.0"

  # TODO: This always fails with 
  # ERROR:  While executing gem ... (Gem::InvalidSpecificationException)
  #   ["../bin/git-releaselog.rb", "bin/git-releaselog"] are not files
  # Even though the commands work... just leave this out for now and deploy the gems manually :(
  sh "cd .. && gem build #{tool_name}.gemspec"
  sh "cd .. && gem push #{tool_name}-#{version_next}.gem"
end

after_all do |lane|
  # slack(
  #   message: "Successfully deployed new App Update."
  # )
end

error do |lane, exception|
  # slack(
  #   message: exception.message,
  #   success: false
  # )
end

#
# Private Lanes
#

desc "Returns the tools name"
private_lane :tool_name do |options|
  "git-releaselog"
end

desc "Returns the current version of the tool"
private_lane :tool_current_version do |options|
  require "../lib/#{tool_name}/version"
  module_ref(tool_name: tool_name)::VERSION
end

desc "Get a reference to the module of this tool"
desc "This method can be overwritten by the individual Fastfiles of the tools (e.g. PEM)"
private_lane :module_ref do |options|
  Object.const_get("Releaselog")
end

desc "Get the Github-URL of the tool" 
private_lane :github_url do |options|
  "iv-mexx/git-releaselog"
end

desc "Verifies all tests pass and the current state of the repo is valid"
private_lane :validate_repo do |options|
  tool_name = options[:tool_name]
  tool_version = options[:tool_version]

  # Verifying that no debug code is in the code base
  ensure_no_debug_code(text: "pry", extension: ".rb", path: "./lib/") # debugging code
  ensure_no_debug_code(text: "TODO", extension: ".rb", path: "./lib/") # TODOs
  ensure_no_debug_code(text: "now: ", extension: ".rb", path: "./lib/") # rspec focus
  ensure_no_debug_code(text: "<<<<<<<", extension: ".rb", path: "./lib/") # Merge conflict

  rubocop if File.exist?("../.rubocop.yml") # some project don't yet use rubocop

  # Verifying the --help command
  binary_path = File.join("..", "bin", tool_name)

  content = sh "#{binary_path} --help" # not using `sh` here as it doesn't go out of the help screen
  ["--version", tool_name].each do |current|
    raise "--help missing information: '#{current}'" unless content.include? current
  end

  # Running ruby things
  sh "cd .. && bundle install"

  # Run the tests
  sh "cd .. && rspec"
end