40 lines
785 B
Ruby
40 lines
785 B
Ruby
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require "requirement"
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class OsxfuseRequirement < Requirement
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download "https://github.com/libfuse/libfuse"
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satisfy(build_env: false) do
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next true if libfuse_formula_exists? && Formula["libfuse"].installed?
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includedirs = %w[
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/usr/include
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/usr/local/include
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]
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next true if (includedirs.map do |dir|
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File.exist? "#{dir}/fuse.h"
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end).any?
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false
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end
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def message
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msg = "libfuse is required to install this formula.\n"
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if libfuse_formula_exists?
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msg + <<-EOS.undent
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Run "brew install libfuse" to install it.
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EOS
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else
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msg + super
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end
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end
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private
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def libfuse_formula_exists?
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begin
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Formula["libfuse"]
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rescue FormulaUnavailableError
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return false
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end
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true
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end
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end
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