Module: Kettle::Jem::MaintenanceChangelog

Defined in:
lib/kettle/jem/maintenance_changelog.rb

Constant Summary collapse

TEMPLATE_CHANGELOG_INTERNAL_PATHS = 
%w[
  CHANGELOG.md
  .structuredmerge/kettle-jem.lock
  .kettle-jem.lock
].freeze
TEMPLATE_CHANGE_CATEGORIES = 
{
  workflows: ->(path) { path.start_with?(".github/workflows/") },
  dependencies: ->(path) {
    path == "Gemfile" || path == "Appraisals" || path.end_with?(".gemspec", ".gemfile", ".gemfile.lock") ||
      path.start_with?("gemfiles/")
  },
  documentation: ->(path) { %w[README.md CONTRIBUTING.md SECURITY.md].include?(path) || path.start_with?("docs/") },
  configuration: ->(path) { path.start_with?(".structuredmerge/") || path == "mise.toml" || path == ".gitignore" },
  code_and_tests: ->(path) { path.start_with?("lib/", "spec/", "test/", "bin/") || path == "Rakefile" }
}.freeze
TEMPLATE_CHANGELOG_KEYS = 
{
  "Apply kettle-jem templates" => "kettle-jem/template",
  "Prepare project for kettle-jem templates" => "kettle-jem/prepare"
}.freeze
BUNDLER_ENVIRONMENT = 
%w[
  BUNDLE_BIN_PATH
  BUNDLE_FROZEN
  BUNDLE_GEMFILE
  BUNDLE_LOCKFILE
  BUNDLER_SETUP
  BUNDLER_VERSION
  RUBYLIB
  RUBYOPT
].freeze
CHANGELOG_PATH_MUTEX = 
Mutex.new

Class Method Summary collapse

Class Method Details

.add_unreleased_entry(project_root:, section:, entry:) ⇒ Object 



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# File 'lib/kettle/jem/maintenance_changelog.rb', line 44

def add_unreleased_entry(project_root:, section:, entry:)
  command = [
    RbConfig.ruby,
    "-rrubygems",
    "-e",
    'exec Gem.ruby, Gem.bin_path("kettle-changelog", "kettle-changelog"), *ARGV',
    "--",
    "--add-unreleased-entry",
    "--json",
    "--section",
    section.to_s,
    "--entry",
    entry.to_s
  ]
  environment = BUNDLER_ENVIRONMENT.to_h { |key| [key, nil] }
  stdout, stderr, status = Open3.capture3(environment, *command, chdir: project_root)
  unless status.success?
    detail = [stdout, stderr].reject(&:empty?).join("\n")
    raise "kettle-changelog failed (exit #{status.exitstatus}): #{detail}"
  end

  result = JSON.parse(stdout)
  {
    status: result.fetch("changed") ? "updated" : "unchanged",
    section: result.fetch("section"),
    entry: result.fetch("entry")
  }
rescue JSON::ParserError => error
  raise "kettle-changelog returned invalid JSON: #{error.message}"
rescue Gem::Exception => error
  raise "kettle-changelog executable is not installed: #{error.message}"
end

.bootstrap_only_report?(report) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kettle/jem/maintenance_changelog.rb', line 160

def bootstrap_only_report?(report)
  report.fetch(:setup_status, "").to_s.start_with?("bootstrap_")
end

.record_template_run(project_root:, report:, run_options: {}, label: "Apply kettle-jem templates") ⇒ Object 



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# File 'lib/kettle/jem/maintenance_changelog.rb', line 90

def record_template_run(project_root:, report:, run_options: {}, label: "Apply kettle-jem templates")
  report = report.to_h
  if template_changelog_disabled?(run_options) || bootstrap_only_report?(report)
    return report.merge(changelog: {status: "skipped", reason: template_changelog_disabled?(run_options) ? "disabled" : "bootstrap_only"})
  end

  changed_files = template_changed_files(report.fetch(:changed_files, []))
  if changed_files.empty?
    return report.merge(changelog: {status: "skipped", reason: "no_template_changes", changed_files: []})
  end

  unless File.file?(File.join(project_root, "CHANGELOG.md"))
    return report.merge(changelog: {status: "skipped", reason: "missing_changelog"})
  end

  key = TEMPLATE_CHANGELOG_KEYS.fetch(label, "kettle-jem/template")
  entry = ->(matches) { template_run_entry(changed_files, matches) }
  result = upsert_unreleased_entry(project_root: project_root, section: "Changed", key: key, entry: entry)
  changelog = result.merge(changed_files: changed_files, entry: result.fetch(:entry))
  changed_files_with_changelog = if result.fetch(:status) == "updated"
    (Array(report.fetch(:changed_files, [])) + ["CHANGELOG.md"]).uniq.sort
  else
    Array(report.fetch(:changed_files, [])).uniq.sort
  end
  report.merge(changelog: changelog, changed_files: changed_files_with_changelog)
end

.template_change_category(path) ⇒ Object 



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# File 'lib/kettle/jem/maintenance_changelog.rb', line 148

def template_change_category(path)
  TEMPLATE_CHANGE_CATEGORIES.each do |category, matcher|
    return category if matcher.call(path)
  end
  :other
end

.template_changed_files(changed_files) ⇒ Object 



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# File 'lib/kettle/jem/maintenance_changelog.rb', line 117

def template_changed_files(changed_files)
  Array(changed_files).map(&:to_s).uniq.sort.reject do |path|
    TEMPLATE_CHANGELOG_INTERNAL_PATHS.include?(path)
  end
end

.template_changelog_disabled?(run_options) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kettle/jem/maintenance_changelog.rb', line 155

def template_changelog_disabled?(run_options)
  options = run_options.to_h
  DecisionPolicy.value_to_boolean(options[:skip_changelog] || options["skip_changelog"])
end

.template_entry_counts(matches) ⇒ Object 



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# File 'lib/kettle/jem/maintenance_changelog.rb', line 135

def template_entry_counts(matches)
  source = Array(matches).first.to_h.fetch(:source, "")
  source.lines.filter_map do |line|
    match = line.match(/\A\s{2,}- (.+?) \((\d+)\)\s*\z/)
    next unless match

    category = match[1].tr(" ", "_").to_sym
    next unless TEMPLATE_CHANGE_CATEGORIES.key?(category) || category == :other

    [category, match[2].to_i]
  end.to_h
end

.template_run_entry(changed_files, matches) ⇒ Object 



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# File 'lib/kettle/jem/maintenance_changelog.rb', line 123

def template_run_entry(changed_files, matches)
  counts = template_entry_counts(matches)
  changed_files.group_by { |path| template_change_category(path) }.each do |category, paths|
    counts[category] = counts.fetch(category, 0) + paths.length
  end
  total = counts.values.sum
  details = counts.sort_by { |category, _count| category.to_s }.map do |category, count|
    "  - #{category.to_s.tr("_", " ")} (#{count})"
  end
  ["updated #{total} project file#{"s" unless total == 1}:", *details].join("\n")
end

.upsert_unreleased_entry(project_root:, section:, key:, entry:, legacy_prefixes: []) ⇒ Object 



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# File 'lib/kettle/jem/maintenance_changelog.rb', line 77

def upsert_unreleased_entry(project_root:, section:, key:, entry:, legacy_prefixes: [])
  result = with_project_changelog_path(project_root) do
    Kettle::Changelog::KeyedEntryUpserter.new(
      root: project_root,
      section: section,
      key: key,
      entry: entry,
      legacy_prefixes: legacy_prefixes
    ).run
  end
  result.merge(status: result.fetch(:changed) ? "updated" : "unchanged")
end

.with_project_changelog_path(project_root) ⇒ Object 



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# File 'lib/kettle/jem/maintenance_changelog.rb', line 164

def with_project_changelog_path(project_root)
  CHANGELOG_PATH_MUTEX.synchronize do
    previous_path = ENV.fetch("K_CHANGELOG_PATH", nil)
    # The destination root is explicit here; inherited mise settings belong to
    # the caller and must not redirect a template maintenance entry.
    # rubocop:disable Env/Assign
    ENV["K_CHANGELOG_PATH"] = File.join(project_root, "CHANGELOG.md")
    yield
  ensure
    if previous_path.nil?
      ENV.delete("K_CHANGELOG_PATH")
    else
      ENV["K_CHANGELOG_PATH"] = previous_path
    end
    # rubocop:enable Env/Assign
  end
end