Ruby

[ruby/optparse] JRuby does not have EXECUTABLE_EXTS in RbConfg::CONFIG

https://github.com/ruby/optparse/commit/15b2f00b6b

[ruby/optparse] Fix OptionParser#program_name not to strip suffix unexpectedly

https://github.com/ruby/optparse/commit/740ffa76c0

[ruby/optparse] Enhance to support 'Set' object as an enum
(https://github.com/ruby/optparse/pull/76)

• Enhance to support 'Set' object as an enum

• Add test script for '#make_swithc()'

https://github.com/ruby/optparse/commit/3869000e98

Co-authored-by: Nobuyoshi Nakada [email protected]

• adjust indents. [ci skip]

github.event.pull_request.merge_commit_sha may be empty

Add underflow check

Make uplevel suitable as the option to Kernel#warn

Make Gem::BUNDLED_GEMS.uplevel returns nil if require frame is not
found, for the simplicity.

Use symbols as level instead of strings

Remove git-related files in unpacked gems

These files, including .github directory, are useless unless the
repository itself is contained as well.

Fix race condition in signal handler query (#13712)

• Fix race condition in signal handler query

• Initialize signal lock dynamically and reset after fork

• Fix signal handler mutex initialization conditions