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November 30, 2015 23:17
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brewのパッケージの依存関係をDOT言語で出力
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#!/usr/bin/env ruby | |
# encoding : utf-8 | |
# 使い方 | |
# $ ./deps.rb > deps.dot | |
# Graphvizで出力 | |
# $ dot -Tpng deps.dot -o deps.png | |
# deps.pngを開く | |
# 図の見方として | |
# (foo) -> (bar) の場合fooはbarを必要とする | |
puts "digraph brewdeps {" | |
`brew list`.split.each do |src| | |
`brew deps #{src}`.split.each do |dst| | |
# - and + are special charactors. replace | |
puts "#{src.tr('-+', '_ ')} -> #{dst.tr('-+', '_ ')};" | |
end | |
end | |
puts "}" | |
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