brew/Library/Homebrew/cmd/leaves.rb
Mike McQuaid 9fca172d03 Fix HOMEBREW_RUBY_WARNINGS="-w"
Fix various circular requirements, method redefinitions, etc.
2018-04-07 20:28:56 +01:00

27 lines
556 B
Ruby

#: * `leaves`:
#: Show installed formulae that are not dependencies of another installed formula.
require "formula"
require "tab"
module Homebrew
module_function
def leaves
installed = Formula.installed.sort
deps_of_installed = installed.flat_map do |f|
f.runtime_dependencies.map do |dep|
begin
dep.to_formula.full_name
rescue FormulaUnavailableError
dep.name
end
end
end
leaves = installed.map(&:full_name) - deps_of_installed
leaves.each(&method(:puts))
end
end