wrongdoc 1.0.0 - initial release v1.0.0

Welcome to hell

31 files changed, 3119 insertions, 0 deletions

diff --git a/.document b/.document
new file mode 100644
index 0000000..785aa7d
--- /dev/null
+++ b/.document
@@ -0,0 +1,8 @@
+ChangeLog
+lib
+NEWS
+README
+LATEST
+LICENSE
+wrongdoc_1
+dotwrongdoc_5
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..50d99eb
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+/.manifest
+/GIT-VERSION-FILE
+/ChangeLog
+/LATEST
+/NEWS
+/.config
+/InstalledFiles
+/doc
+/man
+/pkg
diff --git a/.wrongdoc.yml b/.wrongdoc.yml
new file mode 100644
index 0000000..7c786b6
--- /dev/null
+++ b/.wrongdoc.yml
@@ -0,0 +1,7 @@
+---
+cgit_url: http://git.bogomips.org/cgit/wrongdoc.git
+git_url: git://git.bogomips.org/wrongdoc.git
+rdoc_url: http://bogomips.org/wrongdoc/
+merge_html:
+  wrongdoc_1: Documentation/wrongdoc.1.html_fragment
+  dotwrongdoc_5: Documentation/dotwrongdoc.5.html_fragment
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..b27ad83
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
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+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/Documentation/.gitignore b/Documentation/.gitignore
new file mode 100644
index 0000000..c618f1a
--- /dev/null
+++ b/Documentation/.gitignore
@@ -0,0 +1,4 @@
+*.html_fragment
+*.1
+*.5
+*.html
diff --git a/Documentation/GNUmakefile b/Documentation/GNUmakefile
new file mode 100644
index 0000000..33fdb87
--- /dev/null
+++ b/Documentation/GNUmakefile
@@ -0,0 +1,32 @@
+all::
+
+RONN = ronn
+ronn_man = $(RONN) -r
+ronn_html = $(RONN) -f
+
+man1 := $(addsuffix .1,wrongdoc)
+html1 := $(addsuffix .html_fragment,$(man1))
+man5 := $(addsuffix .5,dotwrongdoc)
+html5 := $(addsuffix .html_fragment,$(man5))
+man := $(man1) $(man5)
+html := $(html1) $(html5)
+
+all:: html man
+
+html: $(html)
+man: $(man)
+        mkdir -p ../man/man1 ../man/man5
+        install -m 644 $(man1) ../man/man1
+        install -m 644 $(man5) ../man/man5
+
+%.1: %.1.ronn
+        $(ronn_man) $<
+%.5: %.5.ronn
+        $(ronn_man) $<
+%.1.html_fragment: %.1.ronn
+        $(ronn_html) $<
+%.5.html_fragment: %.5.ronn
+        $(ronn_html) $<
+
+clean::
+        $(RM) $(man) $(html)
diff --git a/Documentation/dotwrongdoc.5.ronn b/Documentation/dotwrongdoc.5.ronn
new file mode 100644
index 0000000..5c42a83
--- /dev/null
+++ b/Documentation/dotwrongdoc.5.ronn
@@ -0,0 +1,23 @@
+dotwrongdoc(5) -- wrongdoc config file format
+=============================================
+
+## SYNOPSIS
+
+A YAML file in the top-level project directory named ".wrongdoc.yml"
+
+## DESCRIPTION
+
+As wrongdoc favors consistency over configuration, there is minimal
+configuration to deal with.
+
+## KEYS
+
+`rdoc_url`, `cgit_url` should be obvious
+
+`merge_html` is a key-value mapping of (empty) RDoc source files to an
+HTML file that will be merged into RDoc after-the-fact.  It is useful
+for merging non-RDoc generated HTML into the project.
+
+## SEE ALSO
+
+wrongdoc(1)
diff --git a/Documentation/wrongdoc.1.ronn b/Documentation/wrongdoc.1.ronn
new file mode 100644
index 0000000..803ad28
--- /dev/null
+++ b/Documentation/wrongdoc.1.ronn
@@ -0,0 +1,17 @@
+wrongdoc(1) -- removes JavaScript from RDoc
+===========================================
+
+## SYNOPSIS
+`wrongdoc` prepare
+
+`wrongdoc`
+
+## DESCRIPTION
+
+**Wrongdoc** does horrible things to your RDoc project.  It's own
+documentation sucks, but it'll help to make your documentation
+JavaScript-free and therefore suck less :)
+
+## SEE ALSO
+
+dotwrongdoc(5)
diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
new file mode 100755
index 0000000..88b943a
--- /dev/null
+++ b/GIT-VERSION-GEN
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+GVF=GIT-VERSION-FILE
+DEF_VER=v1.0.0.GIT
+
+LF='
+'
+
+# First see if there is a version file (included in release tarballs),
+# then try git-describe, then default.
+if test -f version
+then
+        VN=$(cat version) || VN="$DEF_VER"
+elif test -d .git -o -f .git &&
+        VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
+        case "$VN" in
+        *$LF*) (exit 1) ;;
+        v[0-9]*)
+                git update-index -q --refresh
+                test -z "$(git diff-index --name-only HEAD --)" ||
+                VN="$VN-dirty" ;;
+        esac
+then
+        VN=$(echo "$VN" | sed -e 's/-/./g');
+else
+        VN="$DEF_VER"
+fi
+
+VN=$(expr "$VN" : v*'\(.*\)')
+
+if test -r $GVF
+then
+        VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)
+else
+        VC=unset
+fi
+test "$VN" = "$VC" || {
+        echo >&2 "GIT_VERSION = $VN"
+        echo "GIT_VERSION = $VN" >$GVF
+}
diff --git a/GNUmakefile b/GNUmakefile
new file mode 100644
index 0000000..d206a81
--- /dev/null
+++ b/GNUmakefile
@@ -0,0 +1,114 @@
+# use GNU Make to run tests in parallel, and without depending on RubyGems
+all::
+MRI = ruby
+RUBY = ruby
+RAKE = rake
+RSYNC = rsync
+WRONGDOC := $(RUBY) -I lib bin/wrongdoc
+
+GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
+        @./GIT-VERSION-GEN
+-include GIT-VERSION-FILE
+-include local.mk
+
+man1_paths := $(addprefix man/man1/, wrongdoc.1)
+man5_paths := $(addprefix man/man5/, dotwrongdoc.5)
+manpages := $(man1_paths) $(man5_paths)
+
+clean:
+        -$(MAKE) -C Documentation clean
+
+man html:
+        $(MAKE) -C Documentation $@
+
+$(manpages): man
+pkg_extra := GIT-VERSION-FILE ChangeLog LATEST NEWS $(manpages)
+
+ChangeLog: GIT-VERSION-FILE .wrongdoc.yml
+        $(WRONGDOC) prepare
+
+.manifest: ChangeLog
+        (git ls-files && for i in $@ $(pkg_extra); do echo $$i; done) | \
+          LC_ALL=C sort > $@+
+        mv $@+ $@
+
+doc: .document .wrongdoc.yml man html
+        find bin lib -type f -name '*.rbc' -exec rm -f '{}' ';'
+        $(RM) -r doc
+        $(WRONGDOC) all
+        install -m644 COPYING doc/COPYING
+        install -m644 $(shell grep '^[A-Z]' .document) doc/
+        tar cf - man | (cd doc && tar xf -)
+
+publish_doc:
+        -git set-file-times
+        $(MAKE) doc
+        -find doc/images -type f | \
+                TZ=UTC xargs touch -d '1970-01-01 00:00:01' doc/rdoc.css
+        chmod 644 $$(find doc -type f)
+        $(RSYNC) -av doc/ bogomips.org:/srv/bogomips/wrongdoc/
+        git ls-files | xargs touch
+
+ifneq ($(VERSION),)
+rfproject := rainbows
+rfpackage := wrongdoc
+pkggem := pkg/$(rfpackage)-$(VERSION).gem
+pkgtgz := pkg/$(rfpackage)-$(VERSION).tgz
+release_notes := release_notes-$(VERSION)
+release_changes := release_changes-$(VERSION)
+
+release-notes: $(release_notes)
+release-changes: $(release_changes)
+$(release_changes):
+        $(WRONGDOC) release_changes > $@+
+        $(VISUAL) $@+ && test -s $@+ && mv $@+ $@
+$(release_notes):
+        $(WRONGDOC) release_notes > $@+
+        $(VISUAL) $@+ && test -s $@+ && mv $@+ $@
+
+# ensures we're actually on the tagged $(VERSION), only used for release
+verify:
+        test x"$(shell umask)" = x0022
+        git rev-parse --verify refs/tags/v$(VERSION)^{}
+        git diff-index --quiet HEAD^0
+        test `git rev-parse --verify HEAD^0` = \
+             `git rev-parse --verify refs/tags/v$(VERSION)^{}`
+
+fix-perms:
+        -git ls-tree -r HEAD | awk '/^100644 / {print $$NF}' | xargs chmod 644
+        -git ls-tree -r HEAD | awk '/^100755 / {print $$NF}' | xargs chmod 755
+
+gem: $(pkggem)
+
+install-gem: $(pkggem)
+        gem install $(CURDIR)/$<
+
+$(pkggem): .manifest fix-perms
+        gem build $(rfpackage).gemspec
+        mkdir -p pkg
+        mv $(@F) $@
+
+$(pkgtgz): distdir = $(basename $@)
+$(pkgtgz): HEAD = v$(VERSION)
+$(pkgtgz): .manifest fix-perms
+        @test -n "$(distdir)"
+        $(RM) -r $(distdir)
+        mkdir -p $(distdir)
+        tar cf - `cat .manifest` | (cd $(distdir) && tar xf -)
+        cd pkg && tar cf - $(basename $(@F)) | gzip -9 > $(@F)+
+        mv $@+ $@
+
+package: $(pkgtgz) $(pkggem)
+
+release: verify package $(release_notes) $(release_changes)
+        rubyforge add_release -f -n $(release_notes) -a $(release_changes) \
+          $(rfproject) $(rfpackage) $(VERSION) $(pkgtgz)
+        gem push $(pkggem)
+        -rubyforge add_file \
+          $(rfproject) $(rfpackage) $(VERSION) $(pkggem)
+else
+gem install-gem: GIT-VERSION-FILE
+        $(MAKE) $@ VERSION=$(GIT_VERSION)
+endif
+
+.PHONY: .FORCE-GIT-VERSION-FILE doc manifest man test
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..5ba39f5
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,17 @@
+wrongdoc is copyrighted Free Software by all contributors, see logs in
+revision control for names and email addresses of all of them.
+
+This library is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version
+{3}[http://www.gnu.org/licenses/gpl-3.0.txt] of the License, or (at
+your option) any later version.
+
+wrongdoc is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with wrongdoc; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
diff --git a/README b/README
new file mode 100644
index 0000000..c768423
--- /dev/null
+++ b/README
@@ -0,0 +1,40 @@
+= wrongdoc - RDoc done right (IMNSHO)
+
+wrongdoc mangles an existing RDoc directory and makes any changes we
+feel like.  It mainly removes JavaScript from Darkfish and adds links to
+a {cgit}[http://hjemli.net/git/cgit/] instance.  It is a bikeshed
+project and *entirely* subject to the whims of its creator, so it is
+likely the wrong solution for anybody else.
+
+wrongdoc is tightly integrated with git and cgit, and capable of of
+automatically generating NEWS and ChangeLog files in RDoc format based
+on git history and tags.
+
+== Usage
+
+First, prepare a .wrongdoc.yml in the top-level directory of your project,
+then run the following command to generate your RDoc:
+
+    $ wrongdoc
+
+== Future Plans
+
+* Remove images/icons from Darkfish without breaking text alignment.
+
+* Optimize for small screens at the expense of large ones.
+
+* gitweb support (preserving cgit support)
+
+* ASCII-art unicorns and rainbows! (maybe)
+
+== Feedback
+
+It's Free Software, fork it and hack it to your heart's content, just
+do not expect the original author(s) to support anything they disagree
+with.  Remember, this is a bikeshed project!
+
+Help with CSS for removing image/icon cruft and making better use of
+small screen real-estate would be greatly appreciated.
+
+The original authors may be contacted through the mailing list:
+{wrongdoc@librelist.org}[mailto:wrongdoc@librelist.org].
diff --git a/bin/wrongdoc b/bin/wrongdoc
new file mode 100644
index 0000000..d33feda
--- /dev/null
+++ b/bin/wrongdoc
@@ -0,0 +1,20 @@
+#!/usr/bin/env ruby
+usage = "Usage: #{File.basename($0)} [prepare]"
+$stderr.sync = $stdout.sync = true
+require 'wrongdoc'
+opts = Wrongdoc.config
+case ARGV[0]
+when "prepare"
+  Wrongdoc::Prepare.new(opts).run
+when "release_notes"
+  Wrongdoc::Release.notes($stdout, opts)
+when "release_changes"
+  Wrongdoc::Release.changes($stdout)
+when "all"
+  Wrongdoc::Prepare.new(opts).run
+  Wrongdoc::Rdoc.new(opts).run
+  Wrongdoc::Merge.new(opts).run
+  Wrongdoc::Final.new(opts, ARGV[1]).run
+else
+  abort "#{$0.inspect} #{ARGV.inspect} not understood"
+end
diff --git a/dotwrongdoc_5 b/dotwrongdoc_5
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/dotwrongdoc_5
diff --git a/lib/wrongdoc.rb b/lib/wrongdoc.rb
new file mode 100644
index 0000000..dfb41d6
--- /dev/null
+++ b/lib/wrongdoc.rb
@@ -0,0 +1,35 @@
+require 'tempfile'
+require 'uri'
+require 'yaml'
+require 'tidy_ffi'
+require 'nokogiri'
+
+module Wrongdoc
+
+  # the version of wrongdoc, currently 1.0.0
+  VERSION = '1.0.0'
+
+  autoload :Readme, 'wrongdoc/readme'
+  autoload :History, 'wrongdoc/history'
+  autoload :Release, 'wrongdoc/release'
+
+  autoload :Changelog, 'wrongdoc/changelog'
+  autoload :NewsRdoc, 'wrongdoc/news_rdoc'
+  autoload :NewsAtom, 'wrongdoc/news_atom'
+  autoload :ParseXML, 'wrongdoc/parse_xml'
+
+  autoload :Prepare, 'wrongdoc/prepare'
+  autoload :Rdoc, 'wrongdoc/rdoc'
+  autoload :Merge, 'wrongdoc/merge'
+  autoload :Final, 'wrongdoc/final'
+
+  autoload :Gemspec, 'wrongdoc/gemspec'
+  autoload :RdocOptions, 'wrongdoc/rdoc_options'
+
+  def self.config(path = ".wrongdoc.yml")
+    File.exist?(path) or abort "#{path} not found in current directory"
+    opts = YAML.load(File.read(path))
+    opts.keys.each { |k| opts[k.to_sym] = opts.delete(k) } # symbolize keys
+    opts
+  end
+end
diff --git a/lib/wrongdoc/changelog.rb b/lib/wrongdoc/changelog.rb
new file mode 100644
index 0000000..f16bfbf
--- /dev/null
+++ b/lib/wrongdoc/changelog.rb
@@ -0,0 +1,25 @@
+# helper method for generating the ChangeLog in RDoc format atomically
+module Wrongdoc::Changelog
+  include Wrongdoc::History
+
+  def changelog
+    fp = Tempfile.new('ChangeLog', '.')
+    fp.write "ChangeLog from #@cgit_uri"
+    cmd = %w(git log)
+    if @changelog_start && tags[0]
+      range = "#@changelog_start..#{tags[0][:tag]}"
+      fp.write(" (#{range})")
+      cmd << range
+    end
+    fp.write("\n\n")
+    prefix = "   "
+    IO.popen(cmd.join(' ')) do |io|
+      io.each { |line|
+        fp.write prefix
+        fp.write line
+      }
+    end
+    File.rename(fp.path, 'ChangeLog')
+    fp.close!
+  end
+end
diff --git a/lib/wrongdoc/final.rb b/lib/wrongdoc/final.rb
new file mode 100644
index 0000000..7070de8
--- /dev/null
+++ b/lib/wrongdoc/final.rb
@@ -0,0 +1,105 @@
+require 'find'
+require 'fileutils'
+
+class Wrongdoc::Final
+  include Wrongdoc::ParseXML
+  include Wrongdoc::NewsAtom
+
+  def run
+    Find.find('doc') { |path| /\.html\z/ =~ path and fix(path) }
+    FileUtils.rm_rf('doc/js')
+    news_atom
+  end
+
+  def initialize(opts, git_tag = nil)
+    @cgit_uri = URI.parse(opts[:cgit_url])
+    @rdoc_uri = URI.parse(opts[:rdoc_url])
+    @git_tag = git_tag
+  end
+
+  # returns a cgit URI for the given +path+ and +lineno+
+  def path_uri(path, lineno)
+    uri = @cgit_uri.dup
+    uri.path += "/tree/#{URI.escape(path)}"
+    uri.fragment = "n#{lineno}"
+    uri.query = "id=#{URI.escape(@git_tag)}" if @git_tag
+    uri
+  end
+
+  # delete all the stuff that offends us
+  def killkillkill!(doc)
+    unlink = proc { |node| node.unlink }
+
+    # JavaScript is dangerous
+    doc.search("script").each(&unlink)
+
+    # if your project's big enough to need JS search, it's too bloated
+    doc.search('span.search-toggle').each(&unlink)
+    doc.search('form').each(&unlink)
+
+    # remove W3C validator link, we use tidy instead
+    doc.search('div#validator-badges p').each { |x|
+      /Validate/i =~ x.content and x.unlink
+    }
+  end
+
+  # since we killed off JavaScript, viewing source isn't possible with
+  # RDoc anymore, so link people to the web source viewer
+  def source_linkify!(doc)
+    doc.search('div.method-detail').each { |mdetail|
+      path = lineno = nil
+      mdetail.search('div.method-source-code').each { |src|
+        src.search('span.ruby-comment').each { |x|
+          if x.content =~ /File\s+(\S+),\s+line\s+(\d+)/s
+            path, lineno = $1, $2
+          end
+        }
+        src.unlink if path && lineno
+      }
+      if path && lineno
+        mdetail.search('span.method-click-advice').each { |x|
+          x.content = ''
+          a = Nokogiri::XML::Node.new('a', doc)
+          a['href'] = path_uri(path, lineno).to_s
+          a.content = 'view method source'
+          x.add_child(a)
+        }
+      end
+    }
+  end
+
+  # Don't give the original Darkfish a bad name, and advertise ourselves :)
+  def advertise!(doc)
+    doc.search('div#validator-badges p small').each { |x|
+      if /\AGenerated/ =~ x.content
+        first = x.children.first
+        first.content = first.content.gsub /\AG/, "Originally g"
+        last = x.children.last
+        last.content = "#{last.content}, modified by "
+
+        a = Nokogiri::XML::Node.new('a', doc)
+        a["href"] = "http://bogomips.org/wrongdoc/"
+        a.content = "wrongdoc"
+        last.add_next_sibling(a)
+      end
+    }
+  end
+
+  def fix(file)
+    File.open(file, "a+") do |fp|
+      buf = process(fp.read)
+      fp.truncate 0
+      fp.write buf
+    end
+  end
+
+  # the main entry point, this does all the require processing on any
+  # given String buffer.
+  def process(str)
+    doc = parse_xml(str)
+    killkillkill!(doc)
+    source_linkify!(doc)
+    advertise!(doc)
+    doc.to_xhtml(:indent => 0)
+  end
+end
diff --git a/lib/wrongdoc/gemspec.rb b/lib/wrongdoc/gemspec.rb
new file mode 100644
index 0000000..0d31ffd
--- /dev/null
+++ b/lib/wrongdoc/gemspec.rb
@@ -0,0 +1,18 @@
+# helper methods for gemspecs
+module Wrongdoc::Gemspec
+  include Wrongdoc::Readme
+  include Wrongdoc::RdocOptions
+
+  def extra_rdoc_files(manifest)
+    File.readlines('.document').map! do |x|
+      x.chomp!
+      if File.directory?(x)
+        manifest.grep(%r{\A#{x}/})
+      elsif File.file?(x)
+        x
+      else
+        nil
+      end
+    end.flatten.compact
+  end
+end
diff --git a/lib/wrongdoc/history.rb b/lib/wrongdoc/history.rb
new file mode 100644
index 0000000..3443ca3
--- /dev/null
+++ b/lib/wrongdoc/history.rb
@@ -0,0 +1,50 @@
+module Wrongdoc::History
+  def initialize_history
+    @tags = @old_summaries = nil
+  end
+
+  # returns a cgit URI for a given +tag_name+
+  def tag_uri(tag_name)
+    uri = @cgit_uri.dup
+    uri.path = "/tag/"
+    uri.query = "id=#{tag_name}"
+    uri
+  end
+
+  # TODO: investigate Ruby git libraries
+  def tags
+    timefmt = '%Y-%m-%dT%H:%M:%SZ'
+    @tags ||= `git tag -l`.split(/\n/).map do |tag|
+      next if tag == "v0.0.0"
+      if %r{\Av[\d\.]+} =~ tag
+        header, subject, body = `git cat-file tag #{tag}`.split(/\n\n/, 3)
+        header = header.split(/\n/)
+        tagger = header.grep(/\Atagger /).first
+        body ||= "initial"
+        time = Time.at(tagger.split(/ /)[-2].to_i).utc
+        {
+          :time => time.strftime(timefmt),
+          :ruby_time => time,
+          :tagger_name => %r{^tagger ([^<]+)}.match(tagger)[1].strip,
+          :tagger_email => %r{<([^>]+)>}.match(tagger)[1].strip,
+          :id => `git rev-parse refs/tags/#{tag}`.chomp!,
+          :tag => tag,
+          :subject => subject,
+          :body => (old = old_summaries[tag]) ? "#{old}\n#{body}" : body,
+        }
+      end
+    end.compact.sort { |a,b| b[:time] <=> a[:time] }
+  end
+
+  def old_summaries
+    @old_summaries ||= if File.exist?(".CHANGELOG.old")
+      File.readlines(".CHANGELOG.old").inject({}) do |hash, line|
+        version, summary = line.split(/ - /, 2)
+        hash[version] = summary
+        hash
+      end
+    else
+      {}
+    end
+  end
+end
diff --git a/lib/wrongdoc/merge.rb b/lib/wrongdoc/merge.rb
new file mode 100644
index 0000000..b51ee5a
--- /dev/null
+++ b/lib/wrongdoc/merge.rb
@@ -0,0 +1,20 @@
+class Wrongdoc::Merge
+  include Wrongdoc::ParseXML
+
+  def initialize(opts)
+    @merge_html = opts[:merge_html]
+  end
+
+  def run
+    @merge_html.each do |file, source|
+      rdoc_html = "doc/#{file}.html"
+      src = Nokogiri::XML(File.read(source))
+      File.open(rdoc_html, "a+") { |fp|
+        doc = parse_xml(fp.read)
+        doc.search("div#documentation")[0].add_child(src.root)
+        fp.truncate 0
+        fp.write doc.to_xhtml
+      }
+    end
+  end
+end
diff --git a/lib/wrongdoc/news_atom.rb b/lib/wrongdoc/news_atom.rb
new file mode 100644
index 0000000..1e7a781
--- /dev/null
+++ b/lib/wrongdoc/news_atom.rb
@@ -0,0 +1,46 @@
+module Wrongdoc::NewsAtom
+  include Wrongdoc::History
+  include Wrongdoc::Readme
+
+  # generates an Atom feed based on git tags in the document directory
+  def news_atom
+    project_name, short_desc, _ = x = readme_metadata
+    new_tags = tags[0,10]
+    atom_uri = @rdoc_uri.dup
+    atom_uri.path += "NEWS.atom.xml"
+    news_uri = @rdoc_uri.dup
+    news_uri.path += "NEWS.html"
+    doc = Nokogiri::XML::Builder.new {
+      feed :xmlns => "http://www.w3.org/2005/Atom" do
+        id! atom_uri.to_s
+        title "#{project_name} news"
+        subtitle short_desc
+        link! :rel => 'alternate', :type => 'text/html', :href => news_uri.to_s
+        updated new_tags.empty? ? '1970-01-01:00:00:00Z' : new_tags[0][:time]
+        new_tags.each do |tag|
+          entry {
+            title tag[:subject]
+            updated tag[:time]
+            published tag[:time]
+            author {
+              name tag[:tagger_name]
+              email tag[:tagger_email]
+            }
+            uri = tag_uri(tag[:tag]).to_s
+            link! :rel => "alternate", :type => "text/html", :href => uri
+            id! uri
+            message_only = tag[:body].split(/\n.+\(\d+\):\n {6}/s)[0].strip
+            content({:type =>:text}, message_only)
+            content(:type =>:xhtml) { pre tag[:body] }
+          }
+        end
+      end
+    }
+    fpath = "doc/NEWS.atom.xml"
+    File.open(fpath, "w") { |fp| fp.write doc.to_xml(:indent => 0) }
+    unless new_tags.empty?
+      time = new_tags[0][:ruby_time]
+      File.utime(time, time, fpath)
+    end
+  end
+end
diff --git a/lib/wrongdoc/news_rdoc.rb b/lib/wrongdoc/news_rdoc.rb
new file mode 100644
index 0000000..ee21d6b
--- /dev/null
+++ b/lib/wrongdoc/news_rdoc.rb
@@ -0,0 +1,30 @@
+# -*- encoding: utf-8 -*-
+module Wrongdoc::NewsRdoc
+  include Wrongdoc::History
+
+  def puts_tag(fp, tag)
+    time = tag[:time].tr!('T', ' ').gsub!(/:\d\dZ/, ' UTC')
+    fp.puts "=== #{tag[:subject]} / #{time}"
+    fp.puts ""
+
+    body = tag[:body]
+    fp.puts tag[:body].gsub(/^/smu, "  ").gsub(/[ \t]+$/smu, "")
+    fp.puts ""
+  end
+
+  # generates a NEWS file in the top-level directory based on git tags
+  def news_rdoc
+    news = Tempfile.new('NEWS', '.')
+    tags.each { |tag| puts_tag(news, tag) }
+    File.open("LATEST", "wb") { |latest|
+      if tags.empty?
+        latest.puts "Currently unreleased"
+        news.puts "No news yet."
+      else
+        puts_tag(latest, tags[0])
+      end
+    }
+    File.rename(news.path, 'NEWS')
+    news.close!
+  end
+end
diff --git a/lib/wrongdoc/parse_xml.rb b/lib/wrongdoc/parse_xml.rb
new file mode 100644
index 0000000..6d7abe2
--- /dev/null
+++ b/lib/wrongdoc/parse_xml.rb
@@ -0,0 +1,11 @@
+module Wrongdoc::ParseXML
+  def parse_xml(str)
+    opts = {
+      :input_encoding => 'utf8',
+      :output_encoding => 'utf8',
+      :wrap => 0,
+      :tidy_mark => false,
+    }
+    Nokogiri::XML(TidyFFI::Tidy.new(str, opts).clean)
+  end
+end
diff --git a/lib/wrongdoc/prepare.rb b/lib/wrongdoc/prepare.rb
new file mode 100644
index 0000000..85922ad
--- /dev/null
+++ b/lib/wrongdoc/prepare.rb
@@ -0,0 +1,17 @@
+class Wrongdoc::Prepare
+  include Wrongdoc::NewsRdoc
+  include Wrongdoc::Changelog
+  include Wrongdoc::Readme
+
+  def initialize(opts)
+    @rdoc_uri = URI.parse(opts[:rdoc_url])
+    @cgit_uri = URI.parse(opts[:cgit_url])
+    @changelog_start = opts[:changelog_start]
+    @name, @short_desc = readme_metadata
+  end
+
+  def run
+    news_rdoc
+    changelog
+  end
+end
diff --git a/lib/wrongdoc/rdoc.rb b/lib/wrongdoc/rdoc.rb
new file mode 100644
index 0000000..0b54aef
--- /dev/null
+++ b/lib/wrongdoc/rdoc.rb
@@ -0,0 +1,68 @@
+# we won't deal with the non-Darkfish RDoc in older rubies, it has frames :<
+if (!defined?(RUBY_ENGINE) || RUBY_ENGINE == "ruby") && \
+   RUBY_VERSION.to_f <= 1.8
+  require 'rubygems'
+  gem 'rdoc', '~> 3.0.1'
+end
+require 'rdoc/rdoc'
+
+class Wrongdoc::Rdoc
+  include Wrongdoc::RdocOptions
+  include Wrongdoc::ParseXML
+
+  def initialize(opts)
+    @rdoc_uri = URI.parse(opts[:rdoc_url])
+    @cgit_uri = URI.parse(opts[:cgit_url])
+  end
+
+  def run(argv = [])
+    rdoc(argv)
+    add_atom("doc/ChangeLog.html", cgit_atom_uri)
+    add_atom("doc/NEWS.html", news_atom_uri)
+    add_atom("doc/README.html", news_atom_uri)
+
+    # the stock RDoc index page layout lacks a vertical sidebar full of links
+    rdoc_index = "doc/rdoc_index.html"
+    File.exist?(rdoc_index) and File.unlink(rdoc_index)
+    File.rename("doc/index.html", rdoc_index)
+    File.link("doc/README.html", "doc/index.html")
+  end
+
+  def rdoc(argv)
+    r = RDoc::RDoc.new
+    r.document(rdoc_options.concat(argv))
+  end
+
+  def add_atom(path, atom_uri)
+    File.open(path, "a+") do |fp|
+      doc = parse_xml(fp.read)
+      doc.search("title").each { |t|
+        t.add_next_sibling(atom_node(doc, atom_uri))
+      }
+      fp.truncate 0
+      fp.write doc.to_xhtml
+    end
+  end
+
+  def cgit_atom_uri
+    uri = @cgit_uri.dup
+    uri.path += "/atom/"
+    uri.query = "h=master"
+    uri
+  end
+
+  def news_atom_uri
+    uri = @rdoc_uri.dup
+    uri.path += "NEWS.atom.xml"
+    uri
+  end
+
+  def atom_node(doc, uri, title = 'Atom feed')
+    link = Nokogiri::XML::Node.new('link', doc)
+    link['rel'] = 'alternate'
+    link['title'] = title
+    link['href'] = uri.to_s
+    link['type'] = 'application/atom+xml'
+    link
+  end
+end
diff --git a/lib/wrongdoc/rdoc_options.rb b/lib/wrongdoc/rdoc_options.rb
new file mode 100644
index 0000000..15474f4
--- /dev/null
+++ b/lib/wrongdoc/rdoc_options.rb
@@ -0,0 +1,11 @@
+module Wrongdoc::RdocOptions
+  include Wrongdoc::Readme
+
+  def rdoc_options
+    webcvs = URI.parse(Wrongdoc.config[:cgit_url])
+    webcvs.path += "/tree"
+    webcvs = "#{webcvs}/%s"
+    _, _, title = readme_metadata
+    [ '-t', title, '-W', webcvs ]
+  end
+end
diff --git a/lib/wrongdoc/readme.rb b/lib/wrongdoc/readme.rb
new file mode 100644
index 0000000..8c5f5b6
--- /dev/null
+++ b/lib/wrongdoc/readme.rb
@@ -0,0 +1,20 @@
+# helpers for parsing the top-level README file (no suffix support :P)
+module Wrongdoc::Readme
+
+  # returns a one-paragraph summary from the README
+  def readme_description
+    File.read("README").split(/\n\n/)[1]
+  end
+
+  # parses the README file in the top-level directory for project metadata
+  def readme_metadata
+    l = File.readlines("README")[0].strip!
+    l.gsub!(/^=\s+/, '') or abort "#{l.inspect} doesn't start with '='"
+    title = l.dup
+    if l.gsub!(/^(\w+\!)\s+/, '') # Rainbows!
+      return $1, l, title
+    else
+      return (l.split(/\s*[:-]\s*/, 2)).push(title)
+    end
+  end
+end
diff --git a/lib/wrongdoc/release.rb b/lib/wrongdoc/release.rb
new file mode 100644
index 0000000..f6c72e5
--- /dev/null
+++ b/lib/wrongdoc/release.rb
@@ -0,0 +1,44 @@
+module Wrongdoc::Release
+  self.extend Wrongdoc::History
+
+  def self.changes(io)
+    vtags = tags.map { |tag| tag[:tag] =~ /\Av/ and tag[:tag] }.sort
+    cmds = []
+    if vtags.empty?
+      cmds << %w(git log)
+    else
+      version = vtags[0]
+      prev = vtags[vtags.index(version) - 1]
+      if prev
+        cmds << [ 'git', 'diff', '--stat', prev, version ]
+        cmds << [ 'git', 'log', "#{prev}..#{version}" ]
+      else
+        cmds << [ 'git', 'log', version ]
+      end
+    end
+
+    io.sync = true
+    cmds.each_with_index do |cmd,i|
+      i > 0 and io.puts
+      pid, status = Process.waitpid2(fork do
+        $stdout.reopen(io)
+        io.close
+        exec *cmd
+      end)
+      status.success? or abort status.inspect
+    end
+  end
+
+  def self.notes(io, opts)
+    spec = Gem::Specification.load(Dir['*.gemspec'][0])
+    io.puts spec.description.strip
+    io.puts
+    io.puts "* #{spec.homepage}"
+    io.puts "* #{spec.email}"
+    io.puts "* #{opts[:git_url] || opts[:cgit_url]}"
+
+    _, _, body = `git cat-file tag v#{spec.version}`.split(/\n\n/, 3)
+    io.print "\nChanges:\n\n"
+    io.puts body
+  end
+end
diff --git a/setup.rb b/setup.rb
new file mode 100644
index 0000000..5eb5006
--- /dev/null
+++ b/setup.rb
@@ -0,0 +1,1586 @@
+# -*- encoding: binary -*-
+#
+# setup.rb
+#
+# Copyright (c) 2000-2005 Minero Aoki
+#
+# This program is free software.
+# You can distribute/modify this program under the terms of
+# the GNU LGPL, Lesser General Public License version 2.1.
+#
+
+unless Enumerable.method_defined?(:map)   # Ruby 1.4.6
+  module Enumerable
+    alias map collect
+  end
+end
+
+unless File.respond_to?(:read)   # Ruby 1.6
+  def File.read(fname)
+    open(fname) {|f|
+      return f.read
+    }
+  end
+end
+
+unless Errno.const_defined?(:ENOTEMPTY)   # Windows?
+  module Errno
+    class ENOTEMPTY
+      # We do not raise this exception, implementation is not needed.
+    end
+  end
+end
+
+def File.binread(fname)
+  open(fname, 'rb') {|f|
+    return f.read
+  }
+end
+
+# for corrupted Windows' stat(2)
+def File.dir?(path)
+  File.directory?((path[-1,1] == '/') ? path : path + '/')
+end
+
+
+class ConfigTable
+
+  include Enumerable
+
+  def initialize(rbconfig)
+    @rbconfig = rbconfig
+    @items = []
+    @table = {}
+    # options
+    @install_prefix = nil
+    @config_opt = nil
+    @verbose = true
+    @no_harm = false
+  end
+
+  attr_accessor :install_prefix
+  attr_accessor :config_opt
+
+  attr_writer :verbose
+
+  def verbose?
+    @verbose
+  end
+
+  attr_writer :no_harm
+
+  def no_harm?
+    @no_harm
+  end
+
+  def [](key)
+    lookup(key).resolve(self)
+  end
+
+  def []=(key, val)
+    lookup(key).set val
+  end
+
+  def names
+    @items.map {|i| i.name }
+  end
+
+  def each(&block)
+    @items.each(&block)
+  end
+
+  def key?(name)
+    @table.key?(name)
+  end
+
+  def lookup(name)
+    @table[name] or setup_rb_error "no such config item: #{name}"
+  end
+
+  def add(item)
+    @items.push item
+    @table[item.name] = item
+  end
+
+  def remove(name)
+    item = lookup(name)
+    @items.delete_if {|i| i.name == name }
+    @table.delete_if {|name, i| i.name == name }
+    item
+  end
+
+  def load_script(path, inst = nil)
+    if File.file?(path)
+      MetaConfigEnvironment.new(self, inst).instance_eval File.read(path), path
+    end
+  end
+
+  def savefile
+    '.config'
+  end
+
+  def load_savefile
+    begin
+      File.foreach(savefile()) do |line|
+        k, v = *line.split(/=/, 2)
+        self[k] = v.strip
+      end
+    rescue Errno::ENOENT
+      setup_rb_error $!.message + "\n#{File.basename($0)} config first"
+    end
+  end
+
+  def save
+    @items.each {|i| i.value }
+    File.open(savefile(), 'w') {|f|
+      @items.each do |i|
+        f.printf "%s=%s\n", i.name, i.value if i.value? and i.value
+      end
+    }
+  end
+
+  def load_standard_entries
+    standard_entries(@rbconfig).each do |ent|
+      add ent
+    end
+  end
+
+  def standard_entries(rbconfig)
+    c = rbconfig
+
+    rubypath = File.join(c['bindir'], c['ruby_install_name'] + c['EXEEXT'])
+
+    major = c['MAJOR'].to_i
+    minor = c['MINOR'].to_i
+    teeny = c['TEENY'].to_i
+    version = "#{major}.#{minor}"
+
+    # ruby ver. >= 1.4.4?
+    newpath_p = ((major >= 2) or
+                 ((major == 1) and
+                  ((minor >= 5) or
+                   ((minor == 4) and (teeny >= 4)))))
+
+    if c['rubylibdir']
+      # V > 1.6.3
+      libruby         = "#{c['prefix']}/lib/ruby"
+      librubyver      = c['rubylibdir']
+      librubyverarch  = c['archdir']
+      siteruby        = c['sitedir']
+      siterubyver     = c['sitelibdir']
+      siterubyverarch = c['sitearchdir']
+    elsif newpath_p
+      # 1.4.4 <= V <= 1.6.3
+      libruby         = "#{c['prefix']}/lib/ruby"
+      librubyver      = "#{c['prefix']}/lib/ruby/#{version}"
+      librubyverarch  = "#{c['prefix']}/lib/ruby/#{version}/#{c['arch']}"
+      siteruby        = c['sitedir']
+      siterubyver     = "$siteruby/#{version}"
+      siterubyverarch = "$siterubyver/#{c['arch']}"
+    else
+      # V < 1.4.4
+      libruby         = "#{c['prefix']}/lib/ruby"
+      librubyver      = "#{c['prefix']}/lib/ruby/#{version}"
+      librubyverarch  = "#{c['prefix']}/lib/ruby/#{version}/#{c['arch']}"
+      siteruby        = "#{c['prefix']}/lib/ruby/#{version}/site_ruby"
+      siterubyver     = siteruby
+      siterubyverarch = "$siterubyver/#{c['arch']}"
+    end
+    parameterize = lambda {|path|
+      path.sub(/\A#{Regexp.quote(c['prefix'])}/, '$prefix')
+    }
+
+    if arg = c['configure_args'].split.detect {|arg| /--with-make-prog=/ =~ arg }
+      makeprog = arg.sub(/'/, '').split(/=/, 2)[1]
+    else
+      makeprog = 'make'
+    end
+
+    [
+      ExecItem.new('installdirs', 'std/site/home',
+                   'std: install under libruby; site: install under site_ruby; home: install under $HOME')\
+          {|val, table|
+            case val
+            when 'std'
+              table['rbdir'] = '$librubyver'
+              table['sodir'] = '$librubyverarch'
+            when 'site'
+              table['rbdir'] = '$siterubyver'
+              table['sodir'] = '$siterubyverarch'
+            when 'home'
+              setup_rb_error '$HOME was not set' unless ENV['HOME']
+              table['prefix'] = ENV['HOME']
+              table['rbdir'] = '$libdir/ruby'
+              table['sodir'] = '$libdir/ruby'
+            end
+          },
+      PathItem.new('prefix', 'path', c['prefix'],
+                   'path prefix of target environment'),
+      PathItem.new('bindir', 'path', parameterize.call(c['bindir']),
+                   'the directory for commands'),
+      PathItem.new('libdir', 'path', parameterize.call(c['libdir']),
+                   'the directory for libraries'),
+      PathItem.new('datadir', 'path', parameterize.call(c['datadir']),
+                   'the directory for shared data'),
+      PathItem.new('mandir', 'path', parameterize.call(c['mandir']),
+                   'the directory for man pages'),
+      PathItem.new('sysconfdir', 'path', parameterize.call(c['sysconfdir']),
+                   'the directory for system configuration files'),
+      PathItem.new('localstatedir', 'path', parameterize.call(c['localstatedir']),
+                   'the directory for local state data'),
+      PathItem.new('libruby', 'path', libruby,
+                   'the directory for ruby libraries'),
+      PathItem.new('librubyver', 'path', librubyver,
+                   'the directory for standard ruby libraries'),
+      PathItem.new('librubyverarch', 'path', librubyverarch,
+                   'the directory for standard ruby extensions'),
+      PathItem.new('siteruby', 'path', siteruby,
+          'the directory for version-independent aux ruby libraries'),
+      PathItem.new('siterubyver', 'path', siterubyver,
+                   'the directory for aux ruby libraries'),
+      PathItem.new('siterubyverarch', 'path', siterubyverarch,
+                   'the directory for aux ruby binaries'),
+      PathItem.new('rbdir', 'path', '$siterubyver',
+                   'the directory for ruby scripts'),
+      PathItem.new('sodir', 'path', '$siterubyverarch',
+                   'the directory for ruby extentions'),
+      PathItem.new('rubypath', 'path', rubypath,
+                   'the path to set to #! line'),
+      ProgramItem.new('rubyprog', 'name', rubypath,
+                      'the ruby program using for installation'),
+      ProgramItem.new('makeprog', 'name', makeprog,
+                      'the make program to compile ruby extentions'),
+      SelectItem.new('shebang', 'all/ruby/never', 'ruby',
+                     'shebang line (#!) editing mode'),
+      BoolItem.new('without-ext', 'yes/no', 'no',
+                   'does not compile/install ruby extentions')
+    ]
+  end
+  private :standard_entries
+
+  def load_multipackage_entries
+    multipackage_entries().each do |ent|
+      add ent
+    end
+  end
+
+  def multipackage_entries
+    [
+      PackageSelectionItem.new('with', 'name,name...', '', 'ALL',
+                               'package names that you want to install'),
+      PackageSelectionItem.new('without', 'name,name...', '', 'NONE',
+                               'package names that you do not want to install')
+    ]
+  end
+  private :multipackage_entries
+
+  ALIASES = {
+    'std-ruby'         => 'librubyver',
+    'stdruby'          => 'librubyver',
+    'rubylibdir'       => 'librubyver',
+    'archdir'          => 'librubyverarch',
+    'site-ruby-common' => 'siteruby',     # For backward compatibility
+    'site-ruby'        => 'siterubyver',  # For backward compatibility
+    'bin-dir'          => 'bindir',
+    'bin-dir'          => 'bindir',
+    'rb-dir'           => 'rbdir',
+    'so-dir'           => 'sodir',
+    'data-dir'         => 'datadir',
+    'ruby-path'        => 'rubypath',
+    'ruby-prog'        => 'rubyprog',
+    'ruby'             => 'rubyprog',
+    'make-prog'        => 'makeprog',
+    'make'             => 'makeprog'
+  }
+
+  def fixup
+    ALIASES.each do |ali, name|
+      @table[ali] = @table[name]
+    end
+    @items.freeze
+    @table.freeze
+    @options_re = /\A--(#{@table.keys.join('|')})(?:=(.*))?\z/
+  end
+
+  def parse_opt(opt)
+    m = @options_re.match(opt) or setup_rb_error "config: unknown option #{opt}"
+    m.to_a[1,2]
+  end
+
+  def dllext
+    @rbconfig['DLEXT']
+  end
+
+  def value_config?(name)
+    lookup(name).value?
+  end
+
+  class Item
+    def initialize(name, template, default, desc)
+      @name = name.freeze
+      @template = template
+      @value = default
+      @default = default
+      @description = desc
+    end
+
+    attr_reader :name
+    attr_reader :description
+
+    attr_accessor :default
+    alias help_default default
+
+    def help_opt
+      "--#{@name}=#{@template}"
+    end
+
+    def value?
+      true
+    end
+
+    def value
+      @value
+    end
+
+    def resolve(table)
+      @value.gsub(%r<\$([^/]+)>) { table[$1] }
+    end
+
+    def set(val)
+      @value = check(val)
+    end
+
+    private
+
+    def check(val)
+      setup_rb_error "config: --#{name} requires argument" unless val
+      val
+    end
+  end
+
+  class BoolItem < Item
+    def config_type
+      'bool'
+    end
+
+    def help_opt
+      "--#{@name}"
+    end
+
+    private
+
+    def check(val)
+      return 'yes' unless val
+      case val
+      when /\Ay(es)?\z/i, /\At(rue)?\z/i then 'yes'
+      when /\An(o)?\z/i, /\Af(alse)\z/i  then 'no'
+      else
+        setup_rb_error "config: --#{@name} accepts only yes/no for argument"
+      end
+    end
+  end
+
+  class PathItem < Item
+    def config_type
+      'path'
+    end
+
+    private
+
+    def check(path)
+      setup_rb_error "config: --#{@name} requires argument"  unless path
+      path[0,1] == '$' ? path : File.expand_path(path)
+    end
+  end
+
+  class ProgramItem < Item
+    def config_type
+      'program'
+    end
+  end
+
+  class SelectItem < Item
+    def initialize(name, selection, default, desc)
+      super
+      @ok = selection.split('/')
+    end
+
+    def config_type
+      'select'
+    end
+
+    private
+
+    def check(val)
+      unless @ok.include?(val.strip)
+        setup_rb_error "config: use --#{@name}=#{@template} (#{val})"
+      end
+      val.strip
+    end
+  end
+
+  class ExecItem < Item
+    def initialize(name, selection, desc, &block)
+      super name, selection, nil, desc
+      @ok = selection.split('/')
+      @action = block
+    end
+
+    def config_type
+      'exec'
+    end
+
+    def value?
+      false
+    end
+
+    def resolve(table)
+      setup_rb_error "$#{name()} wrongly used as option value"
+    end
+
+    undef set
+
+    def evaluate(val, table)
+      v = val.strip.downcase
+      unless @ok.include?(v)
+        setup_rb_error "invalid option --#{@name}=#{val} (use #{@template})"
+      end
+      @action.call v, table
+    end
+  end
+
+  class PackageSelectionItem < Item
+    def initialize(name, template, default, help_default, desc)
+      super name, template, default, desc
+      @help_default = help_default
+    end
+
+    attr_reader :help_default
+
+    def config_type
+      'package'
+    end
+
+    private
+
+    def check(val)
+      unless File.dir?("packages/#{val}")
+        setup_rb_error "config: no such package: #{val}"
+      end
+      val
+    end
+  end
+
+  class MetaConfigEnvironment
+    def initialize(config, installer)
+      @config = config
+      @installer = installer
+    end
+
+    def config_names
+      @config.names
+    end
+
+    def config?(name)
+      @config.key?(name)
+    end
+
+    def bool_config?(name)
+      @config.lookup(name).config_type == 'bool'
+    end
+
+    def path_config?(name)
+      @config.lookup(name).config_type == 'path'
+    end
+
+    def value_config?(name)
+      @config.lookup(name).config_type != 'exec'
+    end
+
+    def add_config(item)
+      @config.add item
+    end
+
+    def add_bool_config(name, default, desc)
+      @config.add BoolItem.new(name, 'yes/no', default ? 'yes' : 'no', desc)
+    end
+
+    def add_path_config(name, default, desc)
+      @config.add PathItem.new(name, 'path', default, desc)
+    end
+
+    def set_config_default(name, default)
+      @config.lookup(name).default = default
+    end
+
+    def remove_config(name)
+      @config.remove(name)
+    end
+
+    # For only multipackage
+    def packages
+      raise '[setup.rb fatal] multi-package metaconfig API packages() called for single-package; contact application package vendor' unless @installer
+      @installer.packages
+    end
+
+    # For only multipackage
+    def declare_packages(list)
+      raise '[setup.rb fatal] multi-package metaconfig API declare_packages() called for single-package; contact application package vendor' unless @installer
+      @installer.packages = list
+    end
+  end
+
+end   # class ConfigTable
+
+
+# This module requires: #verbose?, #no_harm?
+module FileOperations
+
+  def mkdir_p(dirname, prefix = nil)
+    dirname = prefix + File.expand_path(dirname) if prefix
+    $stderr.puts "mkdir -p #{dirname}" if verbose?
+    return if no_harm?
+
+    # Does not check '/', it's too abnormal.
+    dirs = File.expand_path(dirname).split(%r<(?=/)>)
+    if /\A[a-z]:\z/i =~ dirs[0]
+      disk = dirs.shift
+      dirs[0] = disk + dirs[0]
+    end
+    dirs.each_index do |idx|
+      path = dirs[0..idx].join('')
+      Dir.mkdir path unless File.dir?(path)
+    end
+  end
+
+  def rm_f(path)
+    $stderr.puts "rm -f #{path}" if verbose?
+    return if no_harm?
+    force_remove_file path
+  end
+
+  def rm_rf(path)
+    $stderr.puts "rm -rf #{path}" if verbose?
+    return if no_harm?
+    remove_tree path
+  end
+
+  def remove_tree(path)
+    if File.symlink?(path)
+      remove_file path
+    elsif File.dir?(path)
+      remove_tree0 path
+    else
+      force_remove_file path
+    end
+  end
+
+  def remove_tree0(path)
+    Dir.foreach(path) do |ent|
+      next if ent == '.'
+      next if ent == '..'
+      entpath = "#{path}/#{ent}"
+      if File.symlink?(entpath)
+        remove_file entpath
+      elsif File.dir?(entpath)
+        remove_tree0 entpath
+      else
+        force_remove_file entpath
+      end
+    end
+    begin
+      Dir.rmdir path
+    rescue Errno::ENOTEMPTY
+      # directory may not be empty
+    end
+  end
+
+  def move_file(src, dest)
+    force_remove_file dest
+    begin
+      File.rename src, dest
+    rescue
+      File.open(dest, 'wb') {|f|
+        f.write File.binread(src)
+      }
+      File.chmod File.stat(src).mode, dest
+      File.unlink src
+    end
+  end
+
+  def force_remove_file(path)
+    begin
+      remove_file path
+    rescue
+    end
+  end
+
+  def remove_file(path)
+    File.chmod 0777, path
+    File.unlink path
+  end
+
+  def install(from, dest, mode, prefix = nil)
+    $stderr.puts "install #{from} #{dest}" if verbose?
+    return if no_harm?
+
+    realdest = prefix ? prefix + File.expand_path(dest) : dest
+    realdest = File.join(realdest, File.basename(from)) if File.dir?(realdest)
+    str = File.binread(from)
+    if diff?(str, realdest)
+      verbose_off {
+        rm_f realdest if File.exist?(realdest)
+      }
+      File.open(realdest, 'wb') {|f|
+        f.write str
+      }
+      File.chmod mode, realdest
+
+      File.open("#{objdir_root()}/InstalledFiles", 'a') {|f|
+        if prefix
+          f.puts realdest.sub(prefix, '')
+        else
+          f.puts realdest
+        end
+      }
+    end
+  end
+
+  def diff?(new_content, path)
+    return true unless File.exist?(path)
+    new_content != File.binread(path)
+  end
+
+  def command(*args)
+    $stderr.puts args.join(' ') if verbose?
+    system(*args) or raise RuntimeError,
+        "system(#{args.map{|a| a.inspect }.join(' ')}) failed"
+  end
+
+  def ruby(*args)
+    command config('rubyprog'), *args
+  end
+
+  def make(task = nil)
+    command(*[config('makeprog'), task].compact)
+  end
+
+  def extdir?(dir)
+    File.exist?("#{dir}/MANIFEST") or File.exist?("#{dir}/extconf.rb")
+  end
+
+  def files_of(dir)
+    Dir.open(dir) {|d|
+      return d.select {|ent| File.file?("#{dir}/#{ent}") }
+    }
+  end
+
+  DIR_REJECT = %w( . .. CVS SCCS RCS CVS.adm .svn )
+
+  def directories_of(dir)
+    Dir.open(dir) {|d|
+      return d.select {|ent| File.dir?("#{dir}/#{ent}") } - DIR_REJECT
+    }
+  end
+
+end
+
+
+# This module requires: #srcdir_root, #objdir_root, #relpath
+module HookScriptAPI
+
+  def get_config(key)
+    @config[key]
+  end
+
+  alias config get_config
+
+  # obsolete: use metaconfig to change configuration
+  def set_config(key, val)
+    @config[key] = val
+  end
+
+  #
+  # srcdir/objdir (works only in the package directory)
+  #
+
+  def curr_srcdir
+    "#{srcdir_root()}/#{relpath()}"
+  end
+
+  def curr_objdir
+    "#{objdir_root()}/#{relpath()}"
+  end
+
+  def srcfile(path)
+    "#{curr_srcdir()}/#{path}"
+  end
+
+  def srcexist?(path)
+    File.exist?(srcfile(path))
+  end
+
+  def srcdirectory?(path)
+    File.dir?(srcfile(path))
+  end
+
+  def srcfile?(path)
+    File.file?(srcfile(path))
+  end
+
+  def srcentries(path = '.')
+    Dir.open("#{curr_srcdir()}/#{path}") {|d|
+      return d.to_a - %w(. ..)
+    }
+  end
+
+  def srcfiles(path = '.')
+    srcentries(path).select {|fname|
+      File.file?(File.join(curr_srcdir(), path, fname))
+    }
+  end
+
+  def srcdirectories(path = '.')
+    srcentries(path).select {|fname|
+      File.dir?(File.join(curr_srcdir(), path, fname))
+    }
+  end
+
+end
+
+
+class ToplevelInstaller
+
+  Version   = '3.4.1'
+  Copyright = 'Copyright (c) 2000-2005 Minero Aoki'
+
+  TASKS = [
+    [ 'all',      'do config, setup, then install' ],
+    [ 'config',   'saves your configurations' ],
+    [ 'show',     'shows current configuration' ],
+    [ 'setup',    'compiles ruby extentions and others' ],
+    [ 'install',  'installs files' ],
+    [ 'test',     'run all tests in test/' ],
+    [ 'clean',    "does `make clean' for each extention" ],
+    [ 'distclean',"does `make distclean' for each extention" ]
+  ]
+
+  def ToplevelInstaller.invoke
+    config = ConfigTable.new(load_rbconfig())
+    config.load_standard_entries
+    config.load_multipackage_entries if multipackage?
+    config.fixup
+    klass = (multipackage?() ? ToplevelInstallerMulti : ToplevelInstaller)
+    klass.new(File.dirname($0), config).invoke
+  end
+
+  def ToplevelInstaller.multipackage?
+    File.dir?(File.dirname($0) + '/packages')
+  end
+
+  def ToplevelInstaller.load_rbconfig
+    if arg = ARGV.detect {|arg| /\A--rbconfig=/ =~ arg }
+      ARGV.delete(arg)
+      load File.expand_path(arg.split(/=/, 2)[1])
+      $".push 'rbconfig.rb'
+    else
+      require 'rbconfig'
+    end
+    ::Config::CONFIG
+  end
+
+  def initialize(ardir_root, config)
+    @ardir = File.expand_path(ardir_root)
+    @config = config
+    # cache
+    @valid_task_re = nil
+  end
+
+  def config(key)
+    @config[key]
+  end
+
+  def inspect
+    "#<#{self.class} #{__id__()}>"
+  end
+
+  def invoke
+    run_metaconfigs
+    case task = parsearg_global()
+    when nil, 'all'
+      parsearg_config
+      init_installers
+      exec_config
+      exec_setup
+      exec_install
+    else
+      case task
+      when 'config', 'test'
+        ;
+      when 'clean', 'distclean'
+        @config.load_savefile if File.exist?(@config.savefile)
+      else
+        @config.load_savefile
+      end
+      __send__ "parsearg_#{task}"
+      init_installers
+      __send__ "exec_#{task}"
+    end
+  end
+
+  def run_metaconfigs
+    @config.load_script "#{@ardir}/metaconfig"
+  end
+
+  def init_installers
+    @installer = Installer.new(@config, @ardir, File.expand_path('.'))
+  end
+
+  #
+  # Hook Script API bases
+  #
+
+  def srcdir_root
+    @ardir
+  end
+
+  def objdir_root
+    '.'
+  end
+
+  def relpath
+    '.'
+  end
+
+  #
+  # Option Parsing
+  #
+
+  def parsearg_global
+    while arg = ARGV.shift
+      case arg
+      when /\A\w+\z/
+        setup_rb_error "invalid task: #{arg}" unless valid_task?(arg)
+        return arg
+      when '-q', '--quiet'
+        @config.verbose = false
+      when '--verbose'
+        @config.verbose = true
+      when '--help'
+        print_usage $stdout
+        exit 0
+      when '--version'
+        puts "#{File.basename($0)} version #{Version}"
+        exit 0
+      when '--copyright'
+        puts Copyright
+        exit 0
+      else
+        setup_rb_error "unknown global option '#{arg}'"
+      end
+    end
+    nil
+  end
+
+  def valid_task?(t)
+    valid_task_re() =~ t
+  end
+
+  def valid_task_re
+    @valid_task_re ||= /\A(?:#{TASKS.map {|task,desc| task }.join('|')})\z/
+  end
+
+  def parsearg_no_options
+    unless ARGV.empty?
+      task = caller(0).first.slice(%r<`parsearg_(\w+)'>, 1)
+      setup_rb_error "#{task}: unknown options: #{ARGV.join(' ')}"
+    end
+  end
+
+  alias parsearg_show       parsearg_no_options
+  alias parsearg_setup      parsearg_no_options
+  alias parsearg_test       parsearg_no_options
+  alias parsearg_clean      parsearg_no_options
+  alias parsearg_distclean  parsearg_no_options
+
+  def parsearg_config
+    evalopt = []
+    set = []
+    @config.config_opt = []
+    while i = ARGV.shift
+      if /\A--?\z/ =~ i
+        @config.config_opt = ARGV.dup
+        break
+      end
+      name, value = *@config.parse_opt(i)
+      if @config.value_config?(name)
+        @config[name] = value
+      else
+        evalopt.push [name, value]
+      end
+      set.push name
+    end
+    evalopt.each do |name, value|
+      @config.lookup(name).evaluate value, @config
+    end
+    # Check if configuration is valid
+    set.each do |n|
+      @config[n] if @config.value_config?(n)
+    end
+  end
+
+  def parsearg_install
+    @config.no_harm = false
+    @config.install_prefix = ''
+    while a = ARGV.shift
+      case a
+      when '--no-harm'
+        @config.no_harm = true
+      when /\A--prefix=/
+        path = a.split(/=/, 2)[1]
+        path = File.expand_path(path) unless path[0,1] == '/'
+        @config.install_prefix = path
+      else
+        setup_rb_error "install: unknown option #{a}"
+      end
+    end
+  end
+
+  def print_usage(out)
+    out.puts 'Typical Installation Procedure:'
+    out.puts "  $ ruby #{File.basename $0} config"
+    out.puts "  $ ruby #{File.basename $0} setup"
+    out.puts "  # ruby #{File.basename $0} install (may require root privilege)"
+    out.puts
+    out.puts 'Detailed Usage:'
+    out.puts "  ruby #{File.basename $0} <global option>"
+    out.puts "  ruby #{File.basename $0} [<global options>] <task> [<task options>]"
+
+    fmt = "  %-24s %s\n"
+    out.puts
+    out.puts 'Global options:'
+    out.printf fmt, '-q,--quiet',   'suppress message outputs'
+    out.printf fmt, '   --verbose', 'output messages verbosely'
+    out.printf fmt, '   --help',    'print this message'
+    out.printf fmt, '   --version', 'print version and quit'
+    out.printf fmt, '   --copyright',  'print copyright and quit'
+    out.puts
+    out.puts 'Tasks:'
+    TASKS.each do |name, desc|
+      out.printf fmt, name, desc
+    end
+
+    fmt = "  %-24s %s [%s]\n"
+    out.puts
+    out.puts 'Options for CONFIG or ALL:'
+    @config.each do |item|
+      out.printf fmt, item.help_opt, item.description, item.help_default
+    end
+    out.printf fmt, '--rbconfig=path', 'rbconfig.rb to load',"running ruby's"
+    out.puts
+    out.puts 'Options for INSTALL:'
+    out.printf fmt, '--no-harm', 'only display what to do if given', 'off'
+    out.printf fmt, '--prefix=path',  'install path prefix', ''
+    out.puts
+  end
+
+  #
+  # Task Handlers
+  #
+
+  def exec_config
+    @installer.exec_config
+    @config.save   # must be final
+  end
+
+  def exec_setup
+    @installer.exec_setup
+  end
+
+  def exec_install
+    @installer.exec_install
+  end
+
+  def exec_test
+    @installer.exec_test
+  end
+
+  def exec_show
+    @config.each do |i|
+      printf "%-20s %s\n", i.name, i.value if i.value?
+    end
+  end
+
+  def exec_clean
+    @installer.exec_clean
+  end
+
+  def exec_distclean
+    @installer.exec_distclean
+  end
+
+end   # class ToplevelInstaller
+
+
+class ToplevelInstallerMulti < ToplevelInstaller
+
+  include FileOperations
+
+  def initialize(ardir_root, config)
+    super
+    @packages = directories_of("#{@ardir}/packages")
+    raise 'no package exists' if @packages.empty?
+    @root_installer = Installer.new(@config, @ardir, File.expand_path('.'))
+  end
+
+  def run_metaconfigs
+    @config.load_script "#{@ardir}/metaconfig", self
+    @packages.each do |name|
+      @config.load_script "#{@ardir}/packages/#{name}/metaconfig"
+    end
+  end
+
+  attr_reader :packages
+
+  def packages=(list)
+    raise 'package list is empty' if list.empty?
+    list.each do |name|
+      raise "directory packages/#{name} does not exist"\
+              unless File.dir?("#{@ardir}/packages/#{name}")
+    end
+    @packages = list
+  end
+
+  def init_installers
+    @installers = {}
+    @packages.each do |pack|
+      @installers[pack] = Installer.new(@config,
+                                       "#{@ardir}/packages/#{pack}",
+                                       "packages/#{pack}")
+    end
+    with    = extract_selection(config('with'))
+    without = extract_selection(config('without'))
+    @selected = @installers.keys.select {|name|
+                  (with.empty? or with.include?(name)) \
+                      and not without.include?(name)
+                }
+  end
+
+  def extract_selection(list)
+    a = list.split(/,/)
+    a.each do |name|
+      setup_rb_error "no such package: #{name}"  unless @installers.key?(name)
+    end
+    a
+  end
+
+  def print_usage(f)
+    super
+    f.puts 'Inluded packages:'
+    f.puts '  ' + @packages.sort.join(' ')
+    f.puts
+  end
+
+  #
+  # Task Handlers
+  #
+
+  def exec_config
+    run_hook 'pre-config'
+    each_selected_installers {|inst| inst.exec_config }
+    run_hook 'post-config'
+    @config.save   # must be final
+  end
+
+  def exec_setup
+    run_hook 'pre-setup'
+    each_selected_installers {|inst| inst.exec_setup }
+    run_hook 'post-setup'
+  end
+
+  def exec_install
+    run_hook 'pre-install'
+    each_selected_installers {|inst| inst.exec_install }
+    run_hook 'post-install'
+  end
+
+  def exec_test
+    run_hook 'pre-test'
+    each_selected_installers {|inst| inst.exec_test }
+    run_hook 'post-test'
+  end
+
+  def exec_clean
+    rm_f @config.savefile
+    run_hook 'pre-clean'
+    each_selected_installers {|inst| inst.exec_clean }
+    run_hook 'post-clean'
+  end
+
+  def exec_distclean
+    rm_f @config.savefile
+    run_hook 'pre-distclean'
+    each_selected_installers {|inst| inst.exec_distclean }
+    run_hook 'post-distclean'
+  end
+
+  #
+  # lib
+  #
+
+  def each_selected_installers
+    Dir.mkdir 'packages' unless File.dir?('packages')
+    @selected.each do |pack|
+      $stderr.puts "Processing the package `#{pack}' ..." if verbose?
+      Dir.mkdir "packages/#{pack}" unless File.dir?("packages/#{pack}")
+      Dir.chdir "packages/#{pack}"
+      yield @installers[pack]
+      Dir.chdir '../..'
+    end
+  end
+
+  def run_hook(id)
+    @root_installer.run_hook id
+  end
+
+  # module FileOperations requires this
+  def verbose?
+    @config.verbose?
+  end
+
+  # module FileOperations requires this
+  def no_harm?
+    @config.no_harm?
+  end
+
+end   # class ToplevelInstallerMulti
+
+
+class Installer
+
+  FILETYPES = %w( bin lib ext data conf man )
+
+  include FileOperations
+  include HookScriptAPI
+
+  def initialize(config, srcroot, objroot)
+    @config = config
+    @srcdir = File.expand_path(srcroot)
+    @objdir = File.expand_path(objroot)
+    @currdir = '.'
+  end
+
+  def inspect
+    "#<#{self.class} #{File.basename(@srcdir)}>"
+  end
+
+  def noop(rel)
+  end
+
+  #
+  # Hook Script API base methods
+  #
+
+  def srcdir_root
+    @srcdir
+  end
+
+  def objdir_root
+    @objdir
+  end
+
+  def relpath
+    @currdir
+  end
+
+  #
+  # Config Access
+  #
+
+  # module FileOperations requires this
+  def verbose?
+    @config.verbose?
+  end
+
+  # module FileOperations requires this
+  def no_harm?
+    @config.no_harm?
+  end
+
+  def verbose_off
+    begin
+      save, @config.verbose = @config.verbose?, false
+      yield
+    ensure
+      @config.verbose = save
+    end
+  end
+
+  #
+  # TASK config
+  #
+
+  def exec_config
+    exec_task_traverse 'config'
+  end
+
+  alias config_dir_bin noop
+  alias config_dir_lib noop
+
+  def config_dir_ext(rel)
+    extconf if extdir?(curr_srcdir())
+  end
+
+  alias config_dir_data noop
+  alias config_dir_conf noop
+  alias config_dir_man noop
+
+  def extconf
+    ruby "#{curr_srcdir()}/extconf.rb", *@config.config_opt
+  end
+
+  #
+  # TASK setup
+  #
+
+  def exec_setup
+    exec_task_traverse 'setup'
+  end
+
+  def setup_dir_bin(rel)
+    files_of(curr_srcdir()).each do |fname|
+      update_shebang_line "#{curr_srcdir()}/#{fname}"
+    end
+  end
+
+  alias setup_dir_lib noop
+
+  def setup_dir_ext(rel)
+    make if extdir?(curr_srcdir())
+  end
+
+  alias setup_dir_data noop
+  alias setup_dir_conf noop
+  alias setup_dir_man noop
+
+  def update_shebang_line(path)
+    return if no_harm?
+    return if config('shebang') == 'never'
+    old = Shebang.load(path)
+    if old
+      $stderr.puts "warning: #{path}: Shebang line includes too many args.  It is not portable and your program may not work." if old.args.size > 1
+      new = new_shebang(old)
+      return if new.to_s == old.to_s
+    else
+      return unless config('shebang') == 'all'
+      new = Shebang.new(config('rubypath'))
+    end
+    $stderr.puts "updating shebang: #{File.basename(path)}" if verbose?
+    open_atomic_writer(path) {|output|
+      File.open(path, 'rb') {|f|
+        f.gets if old   # discard
+        output.puts new.to_s
+        output.print f.read
+      }
+    }
+  end
+
+  def new_shebang(old)
+    if /\Aruby/ =~ File.basename(old.cmd)
+      Shebang.new(config('rubypath'), old.args)
+    elsif File.basename(old.cmd) == 'env' and old.args.first == 'ruby'
+      Shebang.new(config('rubypath'), old.args[1..-1])
+    else
+      return old unless config('shebang') == 'all'
+      Shebang.new(config('rubypath'))
+    end
+  end
+
+  def open_atomic_writer(path, &block)
+    tmpfile = File.basename(path) + '.tmp'
+    begin
+      File.open(tmpfile, 'wb', &block)
+      File.rename tmpfile, File.basename(path)
+    ensure
+      File.unlink tmpfile if File.exist?(tmpfile)
+    end
+  end
+
+  class Shebang
+    def Shebang.load(path)
+      line = nil
+      File.open(path) {|f|
+        line = f.gets
+      }
+      return nil unless /\A#!/ =~ line
+      parse(line)
+    end
+
+    def Shebang.parse(line)
+      cmd, *args = *line.strip.sub(/\A\#!/, '').split(' ')
+      new(cmd, args)
+    end
+
+    def initialize(cmd, args = [])
+      @cmd = cmd
+      @args = args
+    end
+
+    attr_reader :cmd
+    attr_reader :args
+
+    def to_s
+      "#! #{@cmd}" + (@args.empty? ? '' : " #{@args.join(' ')}")
+    end
+  end
+
+  #
+  # TASK install
+  #
+
+  def exec_install
+    rm_f 'InstalledFiles'
+    exec_task_traverse 'install'
+  end
+
+  def install_dir_bin(rel)
+    install_files targetfiles(), "#{config('bindir')}/#{rel}", 0755
+  end
+
+  def install_dir_lib(rel)
+    install_files libfiles(), "#{config('rbdir')}/#{rel}", 0644
+  end
+
+  def install_dir_ext(rel)
+    return unless extdir?(curr_srcdir())
+    install_files rubyextentions('.'),
+                  "#{config('sodir')}/#{File.dirname(rel)}",
+                  0555
+  end
+
+  def install_dir_data(rel)
+    install_files targetfiles(), "#{config('datadir')}/#{rel}", 0644
+  end
+
+  def install_dir_conf(rel)
+    # FIXME: should not remove current config files
+    # (rename previous file to .old/.org)
+    install_files targetfiles(), "#{config('sysconfdir')}/#{rel}", 0644
+  end
+
+  def install_dir_man(rel)
+    install_files targetfiles(), "#{config('mandir')}/#{rel}", 0644
+  end
+
+  def install_files(list, dest, mode)
+    mkdir_p dest, @config.install_prefix
+    list.each do |fname|
+      install fname, dest, mode, @config.install_prefix
+    end
+  end
+
+  def libfiles
+    glob_reject(%w(*.y *.output), targetfiles())
+  end
+
+  def rubyextentions(dir)
+    ents = glob_select("*.#{@config.dllext}", targetfiles())
+    if ents.empty?
+      setup_rb_error "no ruby extention exists: 'ruby #{$0} setup' first"
+    end
+    ents
+  end
+
+  def targetfiles
+    mapdir(existfiles() - hookfiles())
+  end
+
+  def mapdir(ents)
+    ents.map {|ent|
+      if File.exist?(ent)
+      then ent                         # objdir
+      else "#{curr_srcdir()}/#{ent}"   # srcdir
+      end
+    }
+  end
+
+  # picked up many entries from cvs-1.11.1/src/ignore.c
+  JUNK_FILES = %w(
+    core RCSLOG tags TAGS .make.state
+    .nse_depinfo #* .#* cvslog.* ,* .del-* *.olb
+    *~ *.old *.bak *.BAK *.orig *.rej _$* *$
+
+    *.org *.in .*
+  )
+
+  def existfiles
+    glob_reject(JUNK_FILES, (files_of(curr_srcdir()) | files_of('.')))
+  end
+
+  def hookfiles
+    %w( pre-%s post-%s pre-%s.rb post-%s.rb ).map {|fmt|
+      %w( config setup install clean ).map {|t| sprintf(fmt, t) }
+    }.flatten
+  end
+
+  def glob_select(pat, ents)
+    re = globs2re([pat])
+    ents.select {|ent| re =~ ent }
+  end
+
+  def glob_reject(pats, ents)
+    re = globs2re(pats)
+    ents.reject {|ent| re =~ ent }
+  end
+
+  GLOB2REGEX = {
+    '.' => '\.',
+    '$' => '\$',
+    '#' => '\#',
+    '*' => '.*'
+  }
+
+  def globs2re(pats)
+    /\A(?:#{
+      pats.map {|pat| pat.gsub(/[\.\$\#\*]/) {|ch| GLOB2REGEX[ch] } }.join('|')
+    })\z/
+  end
+
+  #
+  # TASK test
+  #
+
+  TESTDIR = 'test'
+
+  def exec_test
+    unless File.directory?('test')
+      $stderr.puts 'no test in this package' if verbose?
+      return
+    end
+    $stderr.puts 'Running tests...' if verbose?
+    begin
+      require 'test/unit'
+    rescue LoadError
+      setup_rb_error 'test/unit cannot loaded.  You need Ruby 1.8 or later to invoke this task.'
+    end
+    runner = Test::Unit::AutoRunner.new(true)
+    runner.to_run << TESTDIR
+    runner.run
+  end
+
+  #
+  # TASK clean
+  #
+
+  def exec_clean
+    exec_task_traverse 'clean'
+    rm_f @config.savefile
+    rm_f 'InstalledFiles'
+  end
+
+  alias clean_dir_bin noop
+  alias clean_dir_lib noop
+  alias clean_dir_data noop
+  alias clean_dir_conf noop
+  alias clean_dir_man noop
+
+  def clean_dir_ext(rel)
+    return unless extdir?(curr_srcdir())
+    make 'clean' if File.file?('Makefile')
+  end
+
+  #
+  # TASK distclean
+  #
+
+  def exec_distclean
+    exec_task_traverse 'distclean'
+    rm_f @config.savefile
+    rm_f 'InstalledFiles'
+  end
+
+  alias distclean_dir_bin noop
+  alias distclean_dir_lib noop
+
+  def distclean_dir_ext(rel)
+    return unless extdir?(curr_srcdir())
+    make 'distclean' if File.file?('Makefile')
+  end
+
+  alias distclean_dir_data noop
+  alias distclean_dir_conf noop
+  alias distclean_dir_man noop
+
+  #
+  # Traversing
+  #
+
+  def exec_task_traverse(task)
+    run_hook "pre-#{task}"
+    FILETYPES.each do |type|
+      if type == 'ext' and config('without-ext') == 'yes'
+        $stderr.puts 'skipping ext/* by user option' if verbose?
+        next
+      end
+      traverse task, type, "#{task}_dir_#{type}"
+    end
+    run_hook "post-#{task}"
+  end
+
+  def traverse(task, rel, mid)
+    dive_into(rel) {
+      run_hook "pre-#{task}"
+      __send__ mid, rel.sub(%r[\A.*?(?:/|\z)], '')
+      directories_of(curr_srcdir()).each do |d|
+        traverse task, "#{rel}/#{d}", mid
+      end
+      run_hook "post-#{task}"
+    }
+  end
+
+  def dive_into(rel)
+    return unless File.dir?("#{@srcdir}/#{rel}")
+
+    dir = File.basename(rel)
+    Dir.mkdir dir unless File.dir?(dir)
+    prevdir = Dir.pwd
+    Dir.chdir dir
+    $stderr.puts '---> ' + rel if verbose?
+    @currdir = rel
+    yield
+    Dir.chdir prevdir
+    $stderr.puts '<--- ' + rel if verbose?
+    @currdir = File.dirname(rel)
+  end
+
+  def run_hook(id)
+    path = [ "#{curr_srcdir()}/#{id}",
+             "#{curr_srcdir()}/#{id}.rb" ].detect {|cand| File.file?(cand) }
+    return unless path
+    begin
+      instance_eval File.read(path), path, 1
+    rescue
+      raise if $DEBUG
+      setup_rb_error "hook #{path} failed:\n" + $!.message
+    end
+  end
+
+end   # class Installer
+
+
+class SetupError < StandardError; end
+
+def setup_rb_error(msg)
+  raise SetupError, msg
+end
+
+if $0 == __FILE__
+  begin
+    ToplevelInstaller.invoke
+  rescue SetupError
+    raise if $DEBUG
+    $stderr.puts $!.message
+    $stderr.puts "Try 'ruby #{$0} --help' for detailed usage."
+    exit 1
+  end
+end
diff --git a/wrongdoc.gemspec b/wrongdoc.gemspec
new file mode 100644
index 0000000..970c004
--- /dev/null
+++ b/wrongdoc.gemspec
@@ -0,0 +1,27 @@
+# -*- encoding: binary -*-
+ENV["VERSION"] or abort "VERSION= must be specified"
+manifest = File.readlines('.manifest').map! { |x| x.chomp! }
+$LOAD_PATH << 'lib'
+require 'wrongdoc'
+extend Wrongdoc::Gemspec
+name, summary, title = readme_metadata
+
+Gem::Specification.new do |s|
+  s.name = %q{wrongdoc}
+  s.version = ENV["VERSION"].dup
+  s.authors = ["#{name} hackers"]
+  s.date = Time.now.utc.strftime('%Y-%m-%d')
+  s.description = readme_description
+  s.email = %q{wrongdoc@librelist.org}
+  s.executables = %w(wrongdoc)
+  s.extra_rdoc_files = extra_rdoc_files(manifest)
+  s.files = manifest
+  s.homepage = Wrongdoc.config[:rdoc_url]
+  s.summary = summary
+  s.rdoc_options = rdoc_options
+  s.require_paths = %w(lib)
+  s.rubyforge_project = %q{rainbows}
+  s.add_dependency(%q<nokogiri>, ['~> 1.4.4'])
+  s.add_dependency(%q<tidy_ffi>, ['~> 0.1.3'])
+  s.add_dependency(%q<rdoc>, ['~> 3.0.1'])
+end
diff --git a/wrongdoc_1 b/wrongdoc_1
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/wrongdoc_1