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leaves: Use CLI::Parser to parse args #5306

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Nov 14, 2018
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leaves: Use CLI::Parser to parse args #5306

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14 changes: 14 additions & 0 deletions Library/Homebrew/cmd/leaves.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,25 @@

require "formula"
require "tab"
require "cli_parser"

module Homebrew
module_function

def leaves_args
Homebrew::CLI::Parser.new do
usage_banner <<~EOS
`leaves`

Show installed formulae that are not dependencies of another installed formula.
EOS
switch :debug
end
end

def leaves
leaves_args.parse

installed = Formula.installed.sort

deps_of_installed = installed.flat_map do |f|
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