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namespace :gen do
desc 'Regenerate mrbgem library data (_data/mgems.yml)'
task :mgemdata do
require 'mgem'
require 'yaml'
# mgem still uses old exists? method
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 }
dest = File.join(__dir__, '_data', 'mgems.yml')
File.write(dest, mgem_info.to_yaml)
puts "Written #{dest}"
end
desc 'Regenerate API documentation from mruby source (clones latest release into mruby/)'
task :mrbdoc do
require 'json'
require 'shellwords'
# Resolve latest stable release tag via gh CLI (mruby uses tags, not GitHub Releases)
tags = []
page = 1
loop do
batch = JSON.parse(`gh api "repos/mruby/mruby/tags?per_page=100&page=#{page}"`)
break if batch.empty?
tags.concat(batch)
break if batch.size < 100
page += 1
end
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')
current_tag = Dir.exist?(mruby_dir) ? `git -C #{Shellwords.escape(mruby_dir)} describe --exact-match HEAD 2>/dev/null`.strip : nil
if current_tag == tag
puts "mruby #{tag} already cloned, skipping clone"
else
puts current_tag ? "mruby dir exists at #{current_tag}, re-cloning at #{tag}" : "Cloning mruby #{tag}"
FileUtils.rm_rf(mruby_dir)
sh "git clone --depth 1 --branch #{Shellwords.escape(tag)} https://github.com/mruby/mruby.git #{Shellwords.escape(mruby_dir)}"
end
# Run mrbdoc (from yard-mruby) in the mruby directory — equivalent to doc:api
Dir.chdir(mruby_dir) do
sh "env BUNDLE_GEMFILE=#{Shellwords.escape(File.join(__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 #{dest}"
end
desc 'Regenerate contributor list from mruby AUTHORS file (_data/contributors.yml)'
task :contributors do
require 'yaml'
mruby_dir = File.join(__dir__, 'mruby')
raise "mruby/ not found — run gen:mrbdoc first" unless Dir.exist?(mruby_dir)
threshold = (ENV['CONTRIBUTOR_THRESHOLD'] || '10').to_i
# AUTHORS format: " COUNT Name (@login)[*+]"
contributors = File.readlines(File.join(mruby_dir, 'AUTHORS'), chomp: true)
.filter_map do |line|
m = line.match(/^\s*(\d+)\s+(.+?)\s+\(@([\w-]+)\)[*+]?\s*$/)
next unless m
count = m[1].to_i
next if count < threshold
{ 'name' => m[2], 'login' => m[3], 'count' => count }
end
dest = File.join(__dir__, '_data', 'contributors.yml')
File.write(dest, contributors.to_yaml)
puts "Written #{contributors.size} contributors (threshold: #{threshold} commits) to #{dest}"
end
desc 'Regenerate release data from GitHub API (_data/releases.yml)'
task :releasedata do
require 'json'
require 'shellwords'
require 'yaml'
repo = 'mruby/mruby'
data_file = File.join(__dir__, '_data', 'releases.yml')
gh_api = lambda { |path| JSON.parse(`gh api #{Shellwords.escape(path)}`) }
post_dates = {}
Dir.glob(File.join(__dir__, '_posts', '*.{markdown,md}')).each do |f|
if (m = File.basename(f).match(/^(\d{4}-\d{2}-\d{2})-mruby-([\d.]+)-released/))
post_dates[m[2]] = m[1]
end
end
tags = []
page = 1
loop do
batch = gh_api.call("/repos/#{repo}/tags?per_page=100&page=#{page}")
break if batch.empty?
tags.concat(batch)
break if batch.size < 100
page += 1
end
versioned = tags.select { |t| t['name'].match?(/^\d/) }
releases = versioned.map do |tag|
version = tag['name']
prerelease = !version.match?(/^\d+\.\d+\.\d+$/)
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:contributors 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