[DRE-maint] Bug#888186: ruby-fakefs: FTBFS on ruby2.5: pread method is not available in File :(

[Chris West (Faux)]

Source: ruby-fakefs
Version: 0.6.7-1
Severity: important
User: debian-ruby at lists.debian.org
Usertags: ruby2.5

Dear Maintainer,

This package fails to build against ruby2.5. Soon, there will
be a transition to ruby2.5, and this package will FTBFS in sid.

There may be some details on the wiki about common problems:
https://wiki.debian.org/Teams/Ruby/Ruby25Transition

Build log excerpt:


build/ruby-fakefs-0.6.7/lib/fakefs/file.rb:261: warning: constant ::Fixnum is deprecated
................./build/ruby-fakefs-0.6.7/test/fakefs_test.rb:766: warning: FakeFS::File#write is outdated interface which accepts just one argument
/build/ruby-fakefs-0.6.7/test/fakefs_test.rb:766: warning: FakeFS::File#write is outdated interface which accepts just one argument
/build/ruby-fakefs-0.6.7/test/fakefs_test.rb:767: warning: FakeFS::File#write is outdated interface which accepts just one argument
/build/ruby-fakefs-0.6.7/test/fakefs_test.rb:767: warning: FakeFS::File#write is outdated interface which accepts just one argument
...................../build/ruby-fakefs-0.6.7/test/fakefs_test.rb:822: warning: setting Encoding.default_external
.................../build/ruby-fakefs-0.6.7/test/fakefs_test.rb:2667: warning: FakeFS::File::new() does not take block; use FakeFS::File::open() instead
............../build/ruby-fakefs-0.6.7/lib/fakefs/file.rb:256: warning: constant ::Fixnum is deprecated
/build/ruby-fakefs-0.6.7/lib/fakefs/file.rb:261: warning: constant ::Fixnum is deprecated
................./build/ruby-fakefs-0.6.7/test/fakefs_test.rb:352: warning: global variable `$PID' not initialized
......................................................F............................................/build/ruby-fakefs-0.6.7/lib/fakefs/dir.rb:223: warning: global variable `$PID' not initialized
/build/ruby-fakefs-0.6.7/lib/fakefs/dir.rb:223: warning: global variable `$PID' not initialized
................../build/ruby-fakefs-0.6.7/lib/fakefs/file.rb:256: warning: constant ::Fixnum is deprecated
/build/ruby-fakefs-0.6.7/lib/fakefs/file.rb:261: warning: constant ::Fixnum is deprecated
..../build/ruby-fakefs-0.6.7/lib/fakefs/file.rb:256: warning: constant ::Fixnum is deprecated
/build/ruby-fakefs-0.6.7/lib/fakefs/file.rb:261: warning: constant ::Fixnum is deprecated
........................./build/ruby-fakefs-0.6.7/lib/fakefs/dir.rb:168: warning: global variable `$PID' not initialized
....................../build/ruby-fakefs-0.6.7/lib/fakefs/dir.rb:168: warning: global variable `$PID' not initialized
.............................

Finished in 0.272047s, 1378.4389 runs/s, 2789.9604 assertions/s.

  1) Failure:
FakeFSTest#test_every_method_in_file_is_in_fake_fs_file [/build/ruby-fakefs-0.6.7/test/fakefs_test.rb:1218]:
pread method is not available in File :(

375 runs, 759 assertions, 1 failures, 0 errors, 0 skips
rake aborted!
Command failed with status (1)

Tasks: TOP => default => test
(See full trace by running task with --trace)
ERROR: Test "ruby2.5" failed. Exiting.
dh_auto_install: dh_ruby --install /build/ruby-fakefs-0.6.7/debian/ruby-fakefs returned exit code 1
debian/rules:16: recipe for target 'binary' failed
make: *** [binary] Error 1
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2

Full build log:
https://rbuild.fau.xxx/2018-01-23/ruby-fakefs.log

Please fix it!

Cheers,
Chris.