mirror of
https://github.com/Homebrew/brew.git
synced 2025-07-14 16:09:03 +08:00
30 lines
587 B
Ruby
30 lines
587 B
Ruby
require 'formula'
|
|
require 'tab'
|
|
require 'set'
|
|
|
|
module Homebrew
|
|
def leaves
|
|
installed = Formula.installed
|
|
deps_of_installed = Set.new
|
|
|
|
installed.each do |f|
|
|
deps = []
|
|
|
|
f.deps.each do |dep|
|
|
if dep.optional? || dep.recommended?
|
|
tab = Tab.for_formula(f)
|
|
deps << dep.to_formula.name if tab.with?(dep.to_formula.name)
|
|
else
|
|
deps << dep.to_formula.name
|
|
end
|
|
end
|
|
|
|
deps_of_installed.merge(deps)
|
|
end
|
|
|
|
installed.each do |f|
|
|
puts f.name unless deps_of_installed.include? f.name
|
|
end
|
|
end
|
|
end
|