class RuboCop::Cop::Packaging::GemspecGit


end
spec.executables = Dir.glob(‘bin/*’).map{ |f| File.basename(f) }
spec.test_files = Dir.glob(‘test/{functional,test}/*’)
spec.files = Dir.glob(‘lib/*/’)
Gem::Specification.new do |spec|
# good
end
spec.files = Rake::FileList[‘*/’].exclude(*File.read(‘.gitignore’).split)
Gem::Specification.new do |spec|
# good
end
spec.test_files = Dir[‘spec/*/’]
spec.files = Dir[‘lib/*/’, ‘LICENSE’, ‘README.md’]
Gem::Specification.new do |spec|
# good
end
spec.executables = ‘git ls-files – bin/*`.split(’n‘).map{ |f| File.basename(f) }
spec.test_files = `git ls-files – test/{functional,unit}/*`.split(’n‘)
spec.files = `git ls-files`.split(’n‘)
Gem::Specification.new do |spec|
# bad
end
end
`git ls-files -z`.split(’\x0’).reject { |f| f.match(%r{^(test|spec|features)/}) }
spec.files = Dir.chdir(File.expand_path(‘..’, __FILE__)) do
Gem::Specification.new do |spec|
# bad
end
spec.files = ‘git ls-files`.split(’n‘)
Gem::Specification.new do |spec|
# bad
@example
`Dir.glob` or `Rake::FileList` instead.
and suggests to use a plain Ruby alternative, like `Dir`,
This cop is used to identify the usage of `git ls-files`
:nodoc:
:nodoc:
:nodoc:

def investigate(processed_source)

Processing of the AST happens here.

https://github.com/rubocop-hq/rubocop/blob/59543c8e2b66bff249de131fa9105f3eb11e9edb/lib/rubocop/cop/cop.rb#L13-L25
More about the `#investigate` method can be found here:
Extended from the Cop class. 
def investigate(processed_source)
  xstr(processed_source.ast).each do |node|
    add_offense(
      processed_source.ast,
      location: node.loc.expression,
      message: MSG
    )
  end
end

def starts_with_git?(str)

It is used to find strings which start with 'git'.
This method is called from inside `#def_node_search`. 
def starts_with_git?(str)
  str.start_with?('git')
end