Class: Releasinator::Changelog::Updater

Inherits:
Object
  • Object
show all
Defined in:
lib/changelog/updater.rb

Class Method Summary collapse

Class Method Details

.bump_version(version = GitUtil.tags.last) ⇒ Object 



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# File 'lib/changelog/updater.rb', line 11

def self.bump_version(version=GitUtil.tags.last)
  loop do
    term = Printer.ask("What type of release is this? (major, minor, patch)")

    case term
    when "major", "minor", "patch"
      current_version = Semantic::Version.new(version).increment!(term.to_sym).to_s
      yield(current_version, term)

      return current_version
    else
      Printer.fail("release type must be one of: [major, minor, patch]")
    end
  end
end

.prompt_for_change_log(version, semver_type) ⇒ Object 



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# File 'lib/changelog/updater.rb', line 27

def self.prompt_for_change_log(version, semver_type)
  new_changes = Dir.mktmpdir do |dir|
    tmp_cl = "#{dir}/tmp-changelog-release#{Time.now.to_i}.md"
    last_version = GitUtil.tags.last
    tmp_change_log = "\n\n# Please enter a bulleted CHANGELOG list summarizing the changes for #{semver_type} version #{version}."
    tmp_change_log += "\n# Lines starting with '# ' will be ignored."
    tmp_change_log += "\n#"
    tmp_change_log += "\n# Changes since #{last_version}:"
    tmp_change_log += "\n#"
    tmp_change_log += "\n# "
    tmp_change_log += GitUtil.commits(from_tag=last_version).reverse.join("\n# ")
    tmp_change_log += "\n#"
    tmp_change_log += "\n"
    File.foreach("CHANGELOG.md") do |line|
      tmp_change_log += "# #{line}"
    end
    File.open(tmp_cl, "w") {|file| file.puts tmp_change_log }

    editor = ENV["EDITOR"]
    if editor == nil
      Printer.fail("Value of $EDITOR environment variable must be set in order to edit CHANGELOG")
      abort()
    elsif "" == CommandProcessor.command("which #{editor} | cat")
      Printer.fail("Value of $EDITOR (#{editor}) not found on path")
      abort()
    end

    system("$EDITOR #{tmp_cl}")

    new_changes = ""
    File.foreach(tmp_cl) do |line|
      if !line.start_with?("# ") && !line.start_with?("#\n")
        new_changes += line
      end
    end

    new_changes
  end

  self.update_changelog(new_changes, version)
end

.update_changelog(new_changes, version) ⇒ Object 



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# File 'lib/changelog/updater.rb', line 70

def self.update_changelog(new_changes, version)
  changelog = "CHANGELOG.md"

  in_header = true
  header = ""
  old_changes = ""
  File.open(changelog, "r") do |file|
    file.each_line do |line|
      if in_header
        in_header = !/\d+\.\d+\.\d+$/.match(line)
      end

      if in_header
        header += line
      else
        old_changes += line
      end
    end
  end

  h2 = old_changes.start_with? "##"
  if h2
    new_changes = "## #{version}\n" + new_changes
  else
    new_changes = "#{version}\n-----\n" + new_changes
  end

  File.open(changelog, "w") {|file| file.puts(header + new_changes.chomp + "\n" + old_changes.chomp) }
end