From ae907243570e85aa7b01b3428c585c2d8c5bc58a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 6 Nov 2015 04:42:37 +0000
Subject: rbinstall.rb: compress man pages.

* tool/rbinstall.rb (man): compress mdoc-style man pages, without
  Mdoc2Man.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52463 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/rbinstall.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index 1a17f093a8..b14a4cdbd7 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -538,8 +538,13 @@ install?(:local, :comm, :man) do
     destname = ruby_install_name.sub(/ruby/, base.chomp(".#{section}"))
     destfile = File.join(destdir, "#{destname}.#{section}")
 
-    if $mantype == "doc"
+    if /\Adoc\b/ =~ $mantype
       install mdoc, destfile, :mode => $data_mode
+      case $mantype
+      when /\.(?:(gz)|bz2)\z/
+        compress = $1 ? "gzip" : "bzip2"
+        system(compress, dest)
+      end
     else
       class << (w = [])
         alias print push
-- 
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