ruby--ruby/instruby.rb

#!./miniruby

load "./rbconfig.rb"
include Config

$:.unshift File.join(CONFIG["srcdir"], "lib")
require 'fileutils'
require 'shellwords'
require 'getopts'
require 'tempfile'

File.umask(0)

getopts("n", "make:", "make-flags:", "mantype:doc")
$dryrun = $OPT["n"]
mflags = Shellwords.shellwords($OPT["make-flags"] || "").uniq
mflags[0].sub!(/^\w+$/, '-\&') unless mflags.empty?
make, *mflags[0, 0] = Shellwords.shellwords($OPT['make'] || ENV["MAKE"] || "")
mflags = mflags.grep(/^-([^-])/){$1}.join
mflags.downcase! if /nmake/i == make
$dryrun = true if mflags.include?(?n)
mantype = $OPT["mantype"]

ARGV.delete_if{|x|x[0] == ?-}
destdir = ARGV[0] || ''

include FileUtils::Verbose
include FileUtils::NoWrite if $dryrun
@fileutils_output = STDOUT
@fileutils_label = ''
alias makelink ln_sf

exeext = CONFIG["EXEEXT"]

ruby_install_name = CONFIG["ruby_install_name"]
rubyw_install_name = CONFIG["rubyw_install_name"]

version = CONFIG["ruby_version"]
bindir = destdir+CONFIG["bindir"]
libdir = destdir+CONFIG["libdir"]
rubylibdir = destdir+CONFIG["rubylibdir"]
archlibdir = destdir+CONFIG["archdir"]
sitelibdir = destdir+CONFIG["sitelibdir"]
sitearchlibdir = destdir+CONFIG["sitearchdir"]
mandir = File.join(destdir+CONFIG["mandir"], "man")
configure_args = Shellwords.shellwords(CONFIG["configure_args"])
enable_shared = CONFIG["ENABLE_SHARED"] == 'yes'
dll = CONFIG["LIBRUBY_SO"]
lib = CONFIG["LIBRUBY"]
arc = CONFIG["LIBRUBY_A"]

makedirs [bindir, libdir, rubylibdir, archlibdir, sitelibdir, sitearchlibdir]

ruby_bin = File.join(bindir, ruby_install_name)

install ruby_install_name+exeext, ruby_bin+exeext, 0755
if rubyw_install_name and !rubyw_install_name.empty?
  install rubyw_install_name+exeext, bindir, 0755
end
install dll, bindir, 0755 if enable_shared and dll != lib
install lib, libdir, 0555 unless lib == arc
install arc, libdir, 0644
install "config.h", archlibdir, 0644
install "rbconfig.rb", archlibdir, 0644
if CONFIG["ARCHFILE"]
  for file in CONFIG["ARCHFILE"].split
    install file, archlibdir, 0644
  end
end

if dll == lib and dll != arc
  for link in CONFIG["LIBRUBY_ALIASES"].split
    makelink(dll, File.join(libdir, link))
  end
end

Dir.chdir CONFIG["srcdir"]

for src in Dir["bin/*"]
  next unless File.file?(src)
  next if /\/[.#]|(\.(old|bak|orig|rej|diff|patch|core)|~|\/core)$/i =~ src

  name = ruby_install_name.sub(/ruby/, File.basename(src))
  dest = File.join(bindir, name)

  install src, dest, 0755

  next if $dryrun

  shebang = ''
  body = ''
  open(dest, "r+") { |f|
    shebang = f.gets
    body = f.read

    if shebang.sub!(/^\#!.*?ruby\b/) {"#!" + ruby_bin}
      f.rewind
      f.print shebang, body
      f.truncate(f.pos)
    end
  }

  if RUBY_PLATFORM =~ /mswin32|mingw|bccwin32/
    ruby_bin_dosish = ruby_bin.gsub(Regexp.compile(File::SEPARATOR), File::ALT_SEPARATOR)
    batfile = dest + ".bat"
    open(batfile, "w") { |b|
      b.print <<EOH, shebang, body, <<EOF
@echo off
if "%OS%" == "Windows_NT" goto WinNT
#{ruby_bin_dosish} -x "#{batfile}" %1 %2 %3 %4 %5 %6 %7 %8 %9
goto endofruby
:WinNT
#{ruby_bin_dosish} -x "#{batfile}" %*
goto endofruby
EOH
__END__
:endofruby
EOF
    }
  end
end

Dir.glob("lib/**/*{.rb,help-message}") do |f|
  dir = File.dirname(f).sub!(/\Alib/, rubylibdir) || rubylibdir
  makedirs dir unless File.directory? dir
  install f, dir, 0644
end

Dir.glob("*.h") do |f|
  install f, archlibdir, 0644
end

if RUBY_PLATFORM =~ /mswin32|mingw|bccwin32/
  makedirs File.join(archlibdir, "win32")
  install "win32/win32.h", File.join(archlibdir, "win32"), 0644
end

Dir.glob("*.[1-9]") do |mdoc|
  section = mdoc[-1,1]

  destdir = mandir + section
  destfile = File.join(destdir, mdoc.sub(/ruby/, ruby_install_name))

  makedirs destdir

  if mantype == "doc"
    install mdoc, destfile, 0644
  else
    require 'mdoc2man.rb'

    w = Tempfile.open(mdoc)

    open(mdoc) { |r|
      Mdoc2Man.mdoc2man(r, w)
    }

    w.close

    install w.path, destfile, 0644
  end
end

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