namespace :gen do

desc 'Regenerate mrbgem library data (_data/mgems.yml)'

task :mgemdata do

require 'mgem'

require 'yaml'

class File

class << self

alias_method :exists?, :exist? unless method_defined?(:exists?)

end

end

include Mrbgem

mgems = load_gems

mgems.update!

mgem_info = mgems.map do |mgem|

{

'name' => mgem.name,

'description' => mgem.description,

'author' => mgem.author,

'website' => mgem.website,

'protocol' => mgem.protocol,

'repository' => mgem.repository,

'repooptions' => mgem.repooptions

}

end

mgem_info.sort_by! { |g| g['name'].downcase }

File.open('_data/mgems.yml', 'w') { |f| f.write(mgem_info.to_yaml) }

puts 'Written _data/mgems.yml'

end

desc 'Regenerate API documentation from mruby source (clones latest release into mruby/)'

task :mrbdoc do

require 'json'

# Resolve latest stable release tag via gh CLI (mruby uses tags, not GitHub Releases)

tags = JSON.parse(`gh api 'repos/mruby/mruby/tags?per_page=100'`)

tag = tags.map { |t| t['name'] }.find { |n| n.match?(/^\d+\.\d+\.\d+$/) }

raise "Could not determine latest stable mruby release tag" unless tag

puts "Latest mruby release: #{tag}"

# Clone mruby at the release tag (or skip if already at the right version)

mruby_dir = File.join(__dir__, 'mruby')

if Dir.exist?(mruby_dir)

current_tag = `git -C #{mruby_dir} describe --exact-match HEAD 2>/dev/null`.strip

if current_tag == tag

puts "mruby #{tag} already cloned, skipping clone"

else

puts "mruby dir exists at #{current_tag.empty? ? 'unknown version' : current_tag}, re-cloning at #{tag}"

FileUtils.rm_rf(mruby_dir)

sh "git clone --depth 1 --branch #{tag} https://github.com/mruby/mruby.git #{mruby_dir}"

end

else

sh "git clone --depth 1 --branch #{tag} https://github.com/mruby/mruby.git #{mruby_dir}"

end

# Run mrbdoc (from yard-mruby) in the mruby directory — equivalent to doc:api

Dir.chdir(mruby_dir) do

sh "BUNDLE_GEMFILE=#{__dir__}/Gemfile bundle exec mrbdoc"

end

# Copy generated docs into our docs/api/ directory

dest = File.join(__dir__, 'docs', 'api')

FileUtils.mkdir_p(dest)

FileUtils.cp_r(Dir.glob("#{mruby_dir}/doc/api/*"), dest)

puts "Copied mruby API docs to docs/api/"

end

desc 'Regenerate release data from GitHub API (_data/releases.yml)'

task :releasedata do

require 'json'

require 'shellwords'

require 'yaml'

repo = 'mruby/mruby'

data_file = File.join(__dir__, '_data', 'releases.yml')

gh_api = lambda { |path| JSON.parse(`gh api #{Shellwords.escape(path)}`) }

post_dates = {}

Dir.glob(File.join(__dir__, '_posts', '*.{markdown,md}')).each do |f|

if (m = File.basename(f).match(/^(\d{4}-\d{2}-\d{2})-mruby-([\d.]+)-released/))

post_dates[m[2]] = m[1]

end

end

tags = []

page = 1

loop do

batch = gh_api.call("/repos/#{repo}/tags?per_page=100&page=#{page}")

break if batch.empty?

tags.concat(batch)

break if batch.size < 100

page += 1

end

versioned = tags.select { |t| t['name'].match?(/^\d/) }

releases = versioned.map do |tag|

version = tag['name']

prerelease = !version.match?(/^\d+\.\d+\.\d+$/)

date = post_dates[version] || begin

commit = gh_api.call("/repos/#{repo}/commits/#{tag['commit']['sha']}")

commit.dig('commit', 'committer', 'date')&.slice(0, 10)

end

puts " #{version}: #{date}#{' (prerelease)' if prerelease}"

{ 'version' => version, 'date' => date, 'prerelease' => prerelease }

end

File.write(data_file, releases.to_yaml)

puts "\nWritten #{releases.size} releases to #{data_file}"

end

end

desc 'Build the Jekyll site'

task build: %w[gen:mgemdata gen:mrbdoc gen:releasedata] do

sh 'bundle exec jekyll build'

end

desc 'Serve the Jekyll site locally with live reload'

task :serve do

sh 'bundle exec jekyll serve'

end

task default: :build