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ext_conf_builder.rb: install via temporary directory

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* lib/rubygems/ext/ext_conf_builder.rb (Gem::Ext::ExtConfBuilder.build):
  fix for unusal cases again.  install to a temporary directory once
  and move instaled files to the destination directory, if it is same
  as the current directory.  [Bug #7698]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39579 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-03-04 06:33:48 +00:00
parent a5a4963018
commit a95a87c0bc
3 changed files with 30 additions and 18 deletions
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30
lib/rubygems/ext/ext_conf_builder.rb
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@ -10,26 +10,14 @@ require 'fileutils'
require 'tempfile'
class Gem::Ext::ExtConfBuilder < Gem::Ext::Builder
def self.hack_for_obsolete_style_gems(directory)
return unless directory and File.identical?(directory, ".")
mf = Gem.read_binary 'Makefile'
changed = false
changed |= mf.gsub!(/^(install-rb-default:)(.*)/) {
"#$1#{$2.gsub(/(?:^|\s+)\$\(RUBY(?:ARCH|LIB)DIR\)\/\S+(?=\s|$)/, '')}"
}
changed |= mf.gsub!(/^(install-so:.*DLLIB.*\n)((?:\t.*\n)+)/) {
"#$1#{$2.gsub(/.*INSTALL.*DLLIB.*\n/, '')}"
}
if changed
File.open('Makefile', 'wb') {|f| f.print mf}
end
end
FileEntry = FileUtils::Entry_ # :nodoc:
def self.build(extension, directory, dest_path, results, args=[])
tmp_dest = (Dir.mktmpdir(".gem.", ".") if File.identical?(dest_path, "."))
siteconf = Tempfile.open(%w"siteconf .rb", ".") do |f|
f.puts "require 'rbconfig'"
f.puts "dest_path = #{dest_path.dump}"
f.puts "dest_path = #{(tmp_dest || dest_path).dump}"
%w[sitearchdir sitelibdir].each do |dir|
f.puts "RbConfig::MAKEFILE_CONFIG['#{dir}'] = dest_path"
f.puts "RbConfig::CONFIG['#{dir}'] = dest_path"
@ -43,14 +31,20 @@ class Gem::Ext::ExtConfBuilder < Gem::Ext::Builder
run cmd, results
hack_for_obsolete_style_gems directory
make dest_path, results
if tmp_dest
FileEntry.new(tmp_dest).traverse do |ent|
destent = ent.class.new(dest_path, ent.rel)
destent.exist? or File.rename(ent.path, destent.path)
end
end
results
ensure
ENV["RUBYOPT"] = rubyopt
siteconf.close(true) if siteconf
FileUtils.rm_rf tmp_dest if tmp_dest
end
end