normal	2018-12-18 07:48:57 +0900 (Tue, 18 Dec 2018)

  New Revision: 66428

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=66428

  Log:
    Fix test failure if ENV["USER"] doesn't match Process.euid
    
    When dropping privileges to run tests, ENV["USER"] could be set
    to a user that doesn't match Process.euid, which causes this
    test to fail with Errno::EPERM.  Try to get the name for the
    current euid, and only fallback to ENV["USER"] if that doesn't
    work.

  Modified files:
    trunk/test/ruby/test_process.rb
Index: test/ruby/test_process.rb
===================================================================
--- test/ruby/test_process.rb	(revision 66427)
+++ test/ruby/test_process.rb	(revision 66428)
@@ -1567,7 +1567,7 @@ class TestProcess < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_process.rb#L1567
   end
 
   def test_seteuid_name
-    user = ENV["USER"] or return
+    user = (Etc.getpwuid(Process.euid).name rescue ENV["USER"]) or return
     assert_nothing_raised(TypeError) {Process.euid = user}
   rescue NotImplementedError
   end

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