28 lines
698 B
Ruby
Executable File
28 lines
698 B
Ruby
Executable File
# Outputs formulas that are installed but are not a dependency for
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# any other installed formula.
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# See: http://github.com/mxcl/homebrew/issues/issue/1438
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require 'formula'
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def get_used_by
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used_by = {}
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Formula.all.each do |f|
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next if f.deps == nil
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f.deps.each do |dep|
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_deps = used_by[dep.to_s] || []
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_deps << f.name unless _deps.include? f.name
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used_by[dep.to_s] = _deps
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end
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end
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return used_by
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end
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deps_graph = get_used_by()
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installed = HOMEBREW_CELLAR.children.select { |pn| pn.directory? }.collect { |pn| pn.basename.to_s }
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installed.each do |name|
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deps = deps_graph[name] || []
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puts name unless deps.any? { |dep| installed.include? dep.to_s }
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end
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