From 1d8ae5030fb02e39aa2928d184c8302152ed89a1 Mon Sep 17 00:00:00 2001
From: Funda Wang <fwang@mageia.org>
Date: Wed, 12 Sep 2012 08:10:29 +0000
Subject: 1.160: merge rubygems.rb from Mandriva, so that it works with ruby
 1.9.x

---
 rubygems.rb | 62 ++++++++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 47 insertions(+), 15 deletions(-)

(limited to 'rubygems.rb')

diff --git a/rubygems.rb b/rubygems.rb
index 1a775bd..5368b26 100755
--- a/rubygems.rb
+++ b/rubygems.rb
@@ -3,40 +3,75 @@
 # Copyright 2010 Per Øyvind Karlsen <peroyvind@mandriva.org>
 # This program is free software. It may be redistributed and/or modified under
 # the terms of the LGPL version 2.1 (or later).
+#
+# FIXME: Someone with actual ruby skills should really clean up and sanitize
+# 	 this! fugliness obvious...
 #++
 
 require 'optparse'
-require 'rubygems'
+require 'rbconfig'
 
 provides = false
 requires = false
 
 opts = OptionParser.new("#{$0} <--provides|--requires>")
 opts.on("-P", "--provides", "Print provides") do |val|
-    provides = true
+  provides = true
 end
 opts.on("-R", "--requires", "Print requires") do |val|
-    requires= true
+  requires= true
 end
 
 rest = opts.permute(ARGV)
 
 if rest.size != 0 or (!provides and !requires) or (provides and requires)
-    $stderr.puts "Use either --provides OR --requires"
-    $stderr.puts opts
-    exit(1)
+  $stderr.puts "Use either --provides OR --requires"
+  $stderr.puts opts
+  exit(1)
 end
 
-specpath = "%s/specifications/.*\.gemspec$" % Gem::dir
+specpatt = "%s/specifications/.*\.gemspec$" % RbConfig::CONFIG["rubygemsdir"]
+
 gems = []
-for gemspec in $stdin.readlines
-  if gemspec.match(specpath)
-    gems.push(gemspec.chomp)
+ruby_versioned = false
+abi_provide = false
+
+for path in $stdin.readlines
+  # way fugly, but we make the assumption that if the package has
+  # this file, the package is the current ruby version, and should
+  # therefore provide ruby(abi) = version
+  if provides and path.match(RbConfig::CONFIG["archdir"] + "/rbconfig.rb")
+     abi_provide = true
+  elsif path.match(specpatt)
+    ruby_versioned = true
+    gems.push(path.chomp)
+  # this is quite ugly and lame, but the assumption made is that if any files
+  # found in any of these directories specific to this ruby version, the
+  # package is dependent on this specific version.
+  # FIXME: only supports current ruby version
+  elsif not ruby_versioned
+    if path.match(RbConfig::CONFIG["rubylibdir"])
+      ruby_versioned = true
+    elsif path.match(RbConfig::CONFIG["sitelibdir"])
+      ruby_versioned = true
+    elsif path.match(RbConfig::CONFIG["vendorlibdir"])
+      ruby_versioned = true
+    end
+  end
+end
+
+if requires or abi_provide
+  abidep = "ruby(abi)"
+  if ruby_versioned
+    abidep += " = %s" % RbConfig::CONFIG["ruby_version"]
   end
+  print abidep + "\n"
 end
+
 if gems.length > 0
+  require 'rubygems'
+
   if requires
-    require 'rbconfig'
 
     module Gem
       class Requirement
@@ -61,9 +96,6 @@ if gems.length > 0
 
       end
     end
-    # TODO: Should we add a strict dependency on ruby version here?
-    #print "ruby < %s%s\n" % [Config::CONFIG["ruby_version"][0..-2], Config::CONFIG["ruby_version"][-1..-1].to_i + 1]
-    print "ruby >= %s\n" % Config::CONFIG["ruby_version"]
   end
 
   for gem in gems
@@ -74,7 +106,7 @@ if gems.length > 0
     end
     if requires
       for d in spec.dependencies
-        print d.requirement.to_rpm(d.name) unless d.type != :runtime
+        print d.requirement.to_rpm(d.name)[0] unless d.type != :runtime
       end
       for d in spec.required_rubygems_version.to_rpm("rubygems")
         print d.gsub(/(rubygem\()|(\))/, "")
-- 
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