[ruby-core:90893] [Ruby trunk Bug#15461] ruby-2.6.0.tar.gz seems incorrectly packed

Issue #15461 has been updated by austin (Austin Ziegler).


I have released an update to minitar that should fix this. Thanks, knu! https://rubygems.org/gems/minitar/versions/0.8

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Bug #15461: ruby-2.6.0.tar.gz seems incorrectly packed
https://bugs.ruby-lang.org/issues/15461#change-76080

* Author: valich (Valentin Fondaratov)
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 2.6.0
* Backport: 2.4: UNKNOWN, 2.5: UNKNOWN, 2.6: UNKNOWN
----------------------------------------
1. Download `ftp.ruby-lang.org/pub/ruby/2.6/ruby-2.6.0.tar.gz`

2. Run from the console:

`ruby -e 'require "zlib";require "minitar";Minitar.unpack(Zlib::GzipReader.new(File.open("ruby-2.6.0.tar.gz", "rb")), "x")'`

It fails with an exception:
```
Traceback (most recent call last):
	17: from -e:1:in `<main>'
	16: from /home/user/.rvm/gems/ruby-2.5.0/gems/minitar-0.7/lib/archive/tar/minitar.rb:249:in `unpack'
	15: from /home/user/.rvm/gems/ruby-2.5.0/gems/minitar-0.7/lib/archive/tar/minitar/input.rb:27:in `open'
	14: from /home/user/.rvm/gems/ruby-2.5.0/gems/minitar-0.7/lib/archive/tar/minitar.rb:256:in `block in unpack'
	13: from /home/user/.rvm/gems/ruby-2.5.0/gems/minitar-0.7/lib/archive/tar/minitar/input.rb:90:in `each_entry'
	12: from /home/user/.rvm/gems/ruby-2.5.0/gems/minitar-0.7/lib/archive/tar/minitar/reader.rb:207:in `each_entry'
	11: from /home/user/.rvm/gems/ruby-2.5.0/gems/minitar-0.7/lib/archive/tar/minitar/reader.rb:207:in `loop'
	10: from /home/user/.rvm/gems/ruby-2.5.0/gems/minitar-0.7/lib/archive/tar/minitar/reader.rb:226:in `block in each_entry'
	 9: from /home/user/.rvm/gems/ruby-2.5.0/gems/minitar-0.7/lib/archive/tar/minitar/input.rb:91:in `block in each_entry'
	 8: from /home/user/.rvm/gems/ruby-2.5.0/gems/minitar-0.7/lib/archive/tar/minitar.rb:258:in `block (2 levels) in unpack'
	 7: from /home/user/.rvm/gems/ruby-2.5.0/gems/minitar-0.7/lib/archive/tar/minitar/input.rb:162:in `extract_entry'
	 6: from /home/user/.rvm/rubies/ruby-2.5.0/lib/ruby/2.5.0/fileutils.rb:193:in `mkdir_p'
	 5: from /home/user/.rvm/rubies/ruby-2.5.0/lib/ruby/2.5.0/fileutils.rb:193:in `each'
	 4: from /home/user/.rvm/rubies/ruby-2.5.0/lib/ruby/2.5.0/fileutils.rb:208:in `block in mkdir_p'
	 3: from /home/user/.rvm/rubies/ruby-2.5.0/lib/ruby/2.5.0/fileutils.rb:208:in `reverse_each'
	 2: from /home/user/.rvm/rubies/ruby-2.5.0/lib/ruby/2.5.0/fileutils.rb:210:in `block (2 levels) in mkdir_p'
	 1: from /home/user/.rvm/rubies/ruby-2.5.0/lib/ruby/2.5.0/fileutils.rb:229:in `fu_mkdir'
/home/user/.rvm/rubies/ruby-2.5.0/lib/ruby/2.5.0/fileutils.rb:229:in `mkdir': File exists @ dir_s_mkdir - x/ruby-2.6.0/libexec (Errno::EEXIST)
```

It seems flags are set incorrectly in the package. Same command for previous rubies tgzs works well.



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