Add release engineering related tools

3 files changed, 307 insertions, 0 deletions

diff --git a/tool/releng/gen-mail.rb b/tool/releng/gen-mail.rb
new file mode 100755
index 0000000000..b958a64e65
--- /dev/null
+++ b/tool/releng/gen-mail.rb
@@ -0,0 +1,50 @@
+#!/usr/bin/env ruby
+require "open-uri"
+require "yaml"
+
+lang = ARGV.shift
+unless lang
+  abort "usage: #$1 {en,ja} | pbcopy"
+end
+
+# Confirm current directory is www.ruby-lang.org's working directory
+def confirm_w_r_l_o_wd
+  File.foreach('.git/config') do |line|
+    return true if line.include?('git@github.com:ruby/www.ruby-lang.org.git')
+  end
+  abort "Run this script in www.ruby-lang.org's working directory"
+end
+confirm_w_r_l_o_wd
+
+releases = YAML.load_file('_data/releases.yml')
+
+url = "https://hackmd.io/@naruse/ruby-relnote-#{lang}/download"
+src = URI(url).read
+src.gsub!(/[ \t]+$/, "")
+src.sub!(/(?<!\n)\z/, "\n")
+src.sub!(/^breaks: false\n/, '')
+
+if /^\{% assign release = site.data.releases \| where: "version", "([^"]+)" \| first %\}/ =~ src
+  version = $1
+else
+  abort %[#{url} doesn't include `{% assign release = site.data.releases | where: "version", "<version>" | first %}`]
+end
+
+release = releases.find{|rel|rel['version'] == version}
+unless release
+  abort "#{version} is not found in '_data/releases.yml'"
+end
+
+src.gsub!(/^{% assign .*\n/, '')
+src.gsub!(/\{\{(.*?)\}\}/) do
+  var = $1.strip
+  case var
+  when /\Arelease\.(.*)/
+    val =  release.dig(*$1.split('.'))
+    raise "invalid variable '#{var}'" unless val
+  else
+    raise "unknown variable '#{var}'"
+  end
+  val
+end
+puts src
diff --git a/tool/releng/gen-release-note.rb b/tool/releng/gen-release-note.rb
new file mode 100755
index 0000000000..e3dbe13945
--- /dev/null
+++ b/tool/releng/gen-release-note.rb
@@ -0,0 +1,45 @@
+#!/usr/bin/env ruby
+require "open-uri"
+require "yaml"
+
+# Confirm current directory is www.ruby-lang.org's working directory
+def confirm_w_r_l_o_wd
+  File.foreach('.git/config') do |line|
+    return true if line.include?('git@github.com:ruby/www.ruby-lang.org.git')
+  end
+  abort "Run this script in www.ruby-lang.org's working directory"
+end
+confirm_w_r_l_o_wd
+
+releases = YAML.load_file('_data/releases.yml')
+
+%w[
+    https://hackmd.io/@naruse/ruby-relnote-en/download
+    https://hackmd.io/@naruse/ruby-relnote-ja/download
+].each do |url|
+  src = URI(url).read
+  src.gsub!(/[ \t]+$/, "")
+  src.sub!(/\s+\z/, "\n")
+  src.sub!(/^breaks: false\n/, '')
+  if /^\{% assign release = site.data.releases \| where: "version", "([^"]+)" \| first %\}/ =~ src
+    version = $1
+  else
+    abort %[#{url} doesn't include `{% assign release = site.data.releases | where: "version", "<version>" | first %}`]
+  end
+  puts "#{url} -> #{version}"
+
+  release = releases.find{|rel|rel['version'] == version}
+  unless release
+   abort "#{version} is not found in '_data/releases.yml'"
+  end
+
+  # Write release note article
+  lang = url[/ja|en/]
+  if %r<\A/en/news/(\d+/\d+/\d+/ruby-[\w\-]+-released)> =~ release['post']
+    path = "#{lang}/news/_posts/#{$1.tr('/', '-')}.md"
+  else
+    abort "unexpected path pattern '#{release['post']}'"
+  end
+  puts path
+  File.write(path, src)
+end
diff --git a/tool/releng/update-www-meta.rb b/tool/releng/update-www-meta.rb
new file mode 100755
index 0000000000..16ac0505c0
--- /dev/null
+++ b/tool/releng/update-www-meta.rb
@@ -0,0 +1,212 @@
+#!/usr/bin/env ruby
+require "open-uri"
+require "yaml"
+
+class Tarball
+  attr_reader :version, :size, :sha1, :sha256, :sha512
+
+  def initialize(version, url, size, sha1, sha256, sha512)
+    @url = url
+    @size = size
+    @sha1 = sha1
+    @sha256 = sha256
+    @sha512 = sha512
+    @version = version
+    @xy = version[/\A\d+\.\d+/]
+  end
+
+  def gz?;  @url.end_with?('.gz'); end
+  def zip?; @url.end_with?('.zip'); end
+  def xz?;  @url.end_with?('.xz'); end
+
+  def ext; @url[/(?:zip|tar\.(?:gz|xz))\z/]; end
+
+  def to_md
+    <<eom
+* <https://cache.ruby-lang.org/pub/ruby/#{@xy}/ruby-#{@version}.#{ext}>
+
+      SIZE:   #{@size} bytes
+      SHA1:   #{@sha1}
+      SHA256: #{@sha256}
+      SHA512: #{@sha512}
+eom
+  end
+
+  # * /home/naruse/obj/ruby-trunk/tmp/ruby-2.6.0-preview3.tar.gz
+  #   SIZE:   17116009 bytes
+  #   SHA1:   21f62c369661a2ab1b521fd2fa8191a4273e12a1
+  #   SHA256: 97cea8aa63dfa250ba6902b658a7aa066daf817b22f82b7ee28f44aec7c2e394
+  #   SHA512: 1e2042324821bb4e110af7067f52891606dcfc71e640c194ab1c117f0b941550e0b3ac36ad3511214ac80c536b9e5cfaf8789eec74cf56971a832ea8fc4e6d94
+  def self.parse(wwwdir, version)
+    unless /\A(\d+)\.(\d+)\.(\d+)(?:-(?:preview|rc)\d+)?\z/ =~ version
+      raise "unexpected version string '#{version}'"
+    end
+    x = $1.to_i
+    y = $2.to_i
+    z = $3.to_i
+    # previous tag for git diff --shortstat
+    # It's only for x.y.0 release
+    if z != 0
+      prev_tag = nil
+    elsif y != 0
+      prev_tag = "v#{x}_#{y-1}_0"
+      prev_ver = "#{x}.#{y-1}.0"
+    elsif x == 3 && y == 0 && z == 0
+      prev_tag = "v2_7_0"
+      prev_ver = "2.7.0"
+    else
+      raise "unexpected version for prev_ver '#{version}'"
+    end
+
+    uri = "https://cache.ruby-lang.org/pub/tmp/ruby-info-#{version}-draft.yml"
+    info = YAML.load(URI(uri).read)
+    if info.size != 1
+      raise "unexpected info.yml '#{uri}'"
+    end
+    tarballs = []
+    info[0]["size"].each_key do |ext|
+      url = info[0]["url"][ext]
+      size = info[0]["size"][ext]
+      sha1 = info[0]["sha1"][ext]
+      sha256 = info[0]["sha256"][ext]
+      sha512 = info[0]["sha512"][ext]
+      tarball = Tarball.new(version, url, size, sha1, sha256, sha512)
+      tarballs << tarball
+    end
+
+    if prev_tag
+      # show diff shortstat
+      tag = "v#{version.gsub(/[.\-]/, '_')}"
+      rubydir = File.expand_path(File.join(__FILE__, '../../../'))
+      puts %`git -C #{rubydir} diff --shortstat #{prev_tag}..#{tag}`
+      stat = `git -C #{rubydir} diff --shortstat #{prev_tag}..#{tag}`
+      files_changed, insertions, deletions = stat.scan(/\d+/)
+    end
+
+    xy = version[/\A\d+\.\d+/]
+    #puts "## Download\n\n"
+    #tarballs.each do |tarball|
+    #  puts tarball.to_md
+    #end
+    update_branches_yml(version, xy, wwwdir)
+    update_downloads_yml(version, xy, wwwdir)
+    update_releases_yml(version, xy, tarballs, wwwdir, files_changed, insertions, deletions)
+  end
+
+  def self.update_branches_yml(ver, xy, wwwdir)
+    filename = "_data/branches.yml"
+    data = File.read(File.join(wwwdir, filename))
+    if data.include?("\n- name: #{xy}\n")
+      data.sub!(/\n- name: #{Regexp.escape(xy)}\n(?:  .*\n)*/) do |node|
+        unless ver.include?("-")
+          # assume this is X.Y.0 release
+          node.sub!(/^  status: preview\n/, "  status: normal maintenance\n")
+          node.sub!(/^  date:\n/, "  date: #{Time.now.year}-12-25\n")
+        end
+        node
+      end
+    else
+      if ver.include?("-")
+        status = "preview"
+        year = nil
+      else
+        status = "normal maintenance"
+        year = Time.now.year
+      end
+      entry = <<eom
+- name: #{xy}
+  status: #{status}
+  date:#{ year && " #{year}-12-25" }
+  eol_date:
+
+eom
+      data.sub!(/(?=^- name)/, entry)
+    end
+    File.write(File.join(wwwdir, filename), data)
+  end
+
+  def self.update_downloads_yml(ver, xy, wwwdir)
+    filename = "_data/downloads.yml"
+    data = File.read(File.join(wwwdir, filename))
+
+    if /^preview:\n\n(?:  .*\n)*  - #{Regexp.escape(xy)}\./ =~ data
+      if ver.include?("-")
+        data.sub!(/^  - #{Regexp.escape(xy)}\..*/, "  - #{ver}")
+      else
+        data.sub!(/^  - #{Regexp.escape(xy)}\..*\n/, "")
+        data.sub!(/(?<=^stable:\n\n)/, "  - #{ver}\n")
+      end
+    else
+      unless data.sub!(/^  - #{Regexp.escape(xy)}\..*/, "  - #{ver}")
+        if ver.include?("-")
+          data.sub!(/(?<=^preview:\n\n)/, "  - #{ver}\n")
+        else
+          data.sub!(/(?<=^stable:\n\n)/, "  - #{ver}\n")
+        end
+      end
+    end
+    File.write(File.join(wwwdir, filename), data)
+  end
+
+  def self.update_releases_yml(ver, xy, ary, wwwdir, files_changed, insertions, deletions)
+    filename = "_data/releases.yml"
+    data = File.read(File.join(wwwdir, filename))
+
+    date = Time.now.utc # use utc to use previous day in midnight
+    entry = <<eom
+- version: #{ver}
+  date: #{date.strftime("%Y-%m-%d")}
+  post: /en/news/#{date.strftime("%Y/%m/%d")}/ruby-#{ver.tr('.', '-')}-released/
+  stats:
+    files_changed: #{files_changed}
+    insertions: #{insertions}
+    deletions: #{deletions}
+  url:
+    gz:  https://cache.ruby-lang.org/pub/ruby/#{xy}/ruby-#{ver}.tar.gz
+    zip: https://cache.ruby-lang.org/pub/ruby/#{xy}/ruby-#{ver}.zip
+    xz:  https://cache.ruby-lang.org/pub/ruby/#{xy}/ruby-#{ver}.tar.xz
+  size:
+    gz:  #{ary.find{|x|x.gz? }.size}
+    zip: #{ary.find{|x|x.zip?}.size}
+    xz:  #{ary.find{|x|x.xz? }.size}
+  sha1:
+    gz:  #{ary.find{|x|x.gz? }.sha1}
+    zip: #{ary.find{|x|x.zip?}.sha1}
+    xz:  #{ary.find{|x|x.xz? }.sha1}
+  sha256:
+    gz:  #{ary.find{|x|x.gz? }.sha256}
+    zip: #{ary.find{|x|x.zip?}.sha256}
+    xz:  #{ary.find{|x|x.xz? }.sha256}
+  sha512:
+    gz:  #{ary.find{|x|x.gz? }.sha512}
+    zip: #{ary.find{|x|x.zip?}.sha512}
+    xz:  #{ary.find{|x|x.xz? }.sha512}
+eom
+
+    if data.include?("\n- version: #{ver}\n")
+    elsif data.sub!(/\n# #{Regexp.escape(xy)} series\n/, "\\&\n#{entry}")
+    else
+      data.sub!(/^$/, "\n# #{xy} series\n\n#{entry}")
+    end
+    File.write(File.join(wwwdir, filename), data)
+  end
+end
+
+# Confirm current directory is www.ruby-lang.org's working directory
+def confirm_w_r_l_o_wd
+  File.foreach('.git/config') do |line|
+    return true if line.include?('git@github.com:ruby/www.ruby-lang.org.git')
+  end
+  abort "Run this script in www.ruby-lang.org's working directory"
+end
+
+def main
+  if ARGV.size != 1
+    abort "usage: #$1 <version>"
+  end
+  confirm_w_r_l_o_wd
+  version = ARGV.shift
+  Tarball.parse(Dir.pwd, version)
+end
+
+main