brew/Library/Homebrew/extend/os/linux/requirements/osxfuse_requirement.rb
2020-11-13 12:26:36 +01:00

49 lines
908 B
Ruby

# typed: false
# frozen_string_literal: true
require "requirement"
class OsxfuseRequirement < Requirement
extend T::Sig
download "https://github.com/libfuse/libfuse"
satisfy(build_env: false) do
next true if libfuse_formula_exists? && Formula["libfuse"].latest_version_installed?
includedirs = %w[
/usr/include
/usr/local/include
]
next true if (includedirs.map do |dir|
File.exist? "#{dir}/fuse.h"
end).any?
false
end
sig { returns(String) }
def message
msg = "libfuse is required for this software.\n"
if libfuse_formula_exists?
<<~EOS
#{msg}Run `brew install libfuse` to install it.
EOS
else
msg + super
end
end
private
sig { returns(T::Boolean) }
def libfuse_formula_exists?
begin
Formula["libfuse"]
rescue FormulaUnavailableError
return false
end
true
end
end