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rubygems/util.rb: redirect options

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* lib/rubygems/util.rb (Gem.silent_system): use keyword options to
  redirect outputs instead of reopening global IOs.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46947 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-07-25 07:55:55 +00:00
parent 892a97ebeb
commit ad989e5521
1 changed files with 12 additions and 1 deletions
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13
lib/rubygems/util.rb
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@ -66,15 +66,26 @@ module Gem::Util
end
end
NULL_DEVICE = defined?(IO::NULL) ? IO::NULL : Gem.win_platform? ? 'NUL' : '/dev/null'
##
# Invokes system, but silences all output.
def self.silent_system *command
opt = {:out => NULL_DEVICE, :err => [:child, :out]}
if Hash === command.last
opt.update(command.last)
cmds = command[0...-1]
else
cmds = command.dup
end
return system(*(cmds << opt))
rescue TypeError => e
require 'thread'
@silent_mutex ||= Mutex.new
null_device = Gem.win_platform? ? 'NUL' : '/dev/null'
null_device = NULL_DEVICE
@silent_mutex.synchronize do
begin