IMPLS = { truffleruby: { git: "https://github.com/oracle/truffleruby.git", from_commit: "f10ab6988d", }, jruby: { git: "https://github.com/jruby/jruby.git", from_commit: "f10ab6988d", }, rbx: { git: "https://github.com/rubinius/rubinius.git", }, mri: { git: "https://github.com/ruby/ruby.git", master: "trunk", }, } MSPEC = ARGV.delete('--mspec') MSPEC_REPO = File.expand_path("../../..", __FILE__) raise MSPEC_REPO if !Dir.exist?(MSPEC_REPO) or !Dir.exist?("#{MSPEC_REPO}/.git") # Assuming the rubyspec repo is a sibling of the mspec repo RUBYSPEC_REPO = File.expand_path("../rubyspec", MSPEC_REPO) raise RUBYSPEC_REPO unless Dir.exist?(RUBYSPEC_REPO) SOURCE_REPO = MSPEC ? MSPEC_REPO : RUBYSPEC_REPO NOW = Time.now BRIGHT_RED = "\e[31;1m" BRIGHT_YELLOW = "\e[33;1m" RESET = "\e[0m" class RubyImplementation attr_reader :name def initialize(name, data) @name = name.to_s @data = data end def git_url @data[:git] end def default_branch @data[:master] || "master" end def repo_name File.basename(git_url, ".git") end def repo_org File.basename(File.dirname(git_url)) end def from_commit from = @data[:from_commit] "#{from}..." if from end def last_merge_message message = @data[:merge_message] || "Update to ruby/spec@" message.gsub!("ruby/spec", "ruby/mspec") if MSPEC message end def prefix MSPEC ? "spec/mspec" : "spec/ruby" end def rebased_branch "#{@name}-rebased" end end def sh(*args) puts args.join(' ') system(*args) raise unless $?.success? end def branch?(name) branches = `git branch`.sub('*', '').lines.map(&:strip) branches.include?(name) end def update_repo(impl) unless File.directory? impl.repo_name sh "git", "clone", impl.git_url end Dir.chdir(impl.repo_name) do puts Dir.pwd sh "git", "checkout", impl.default_branch sh "git", "pull" end end def filter_commits(impl) Dir.chdir(impl.repo_name) do date = NOW.strftime("%F") branch = "#{MSPEC ? :mspec : :specs}-#{date}" unless branch?(branch) sh "git", "checkout", "-b", branch sh "git", "filter-branch", "-f", "--subdirectory-filter", impl.prefix, *impl.from_commit sh "git", "push", "-f", SOURCE_REPO, "#{branch}:#{impl.name}" end end end def rebase_commits(impl) Dir.chdir(SOURCE_REPO) do sh "git", "checkout", "master" sh "git", "pull" rebased = impl.rebased_branch if branch?(rebased) last_commit = Time.at(Integer(`git log -n 1 --format='%ct' #{rebased}`)) days_since_last_commit = (NOW-last_commit) / 86400 if days_since_last_commit > 7 abort "#{BRIGHT_RED}#{rebased} exists but last commit is old (#{last_commit}), delete the branch if it was merged#{RESET}" else puts "#{BRIGHT_YELLOW}#{rebased} already exists, last commit on #{last_commit}, assuming it correct#{RESET}" sh "git", "checkout", rebased end else sh "git", "checkout", impl.name if ENV["LAST_MERGE"] last_merge = `git log -n 1 --format='%H %ct' #{ENV["LAST_MERGE"]}` else last_merge = `git log --grep='^#{impl.last_merge_message}' -n 1 --format='%H %ct'` end last_merge, commit_timestamp = last_merge.chomp.split(' ') raise "Could not find last merge" unless last_merge puts "Last merge is #{last_merge}" commit_date = Time.at(Integer(commit_timestamp)) days_since_last_merge = (NOW-commit_date) / 86400 if days_since_last_merge > 60 raise "#{days_since_last_merge.floor} days since last merge, probably wrong commit" end puts "Rebasing..." sh "git", "branch", "-D", rebased if branch?(rebased) sh "git", "checkout", "-b", rebased, impl.name sh "git", "rebase", "--onto", "master", last_merge end end end def test_new_specs require "yaml" Dir.chdir(SOURCE_REPO) do if MSPEC sh "bundle", "exec", "rspec" else versions = YAML.load_file(".travis.yml") versions = versions["matrix"]["include"].map { |job| job["rvm"] } versions.delete "ruby-head" min_version, max_version = versions.minmax run_rubyspec = -> version { command = "chruby #{version} && ../mspec/bin/mspec -j" sh ENV["SHELL"], "-c", command } run_rubyspec[min_version] run_rubyspec[max_version] run_rubyspec["trunk"] end end end def verify_commits(impl) puts Dir.chdir(SOURCE_REPO) do puts "Manually check commit messages:" print "Press enter >" STDIN.gets sh "git", "log", "master..." end end def fast_forward_master(impl) Dir.chdir(SOURCE_REPO) do sh "git", "checkout", "master" sh "git", "merge", "--ff-only", "#{impl.name}-rebased" end end def check_ci puts puts <<-EOS Push to master, and check that the CI passes: https://github.com/ruby/#{:m if MSPEC}spec/commits/master EOS end def main(impls) impls.each_pair do |impl, data| impl = RubyImplementation.new(impl, data) update_repo(impl) filter_commits(impl) rebase_commits(impl) test_new_specs verify_commits(impl) fast_forward_master(impl) check_ci end end if ARGV == ["all"] impls = IMPLS else args = ARGV.map { |arg| arg.to_sym } raise ARGV.to_s unless (args - IMPLS.keys).empty? impls = IMPLS.select { |impl| args.include?(impl) } end main(impls)