56 lines
1.4 KiB
Ruby
56 lines
1.4 KiB
Ruby
require "diagnostic"
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require "fileutils"
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require "hardware"
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require "development_tools"
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module Homebrew
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module Install
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module_function
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def check_ppc
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case Hardware::CPU.type
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when :ppc
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abort <<~EOS
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Sorry, Homebrew does not support your computer's CPU architecture.
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For PPC support, see: https://github.com/mistydemeo/tigerbrew
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EOS
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end
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end
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def check_writable_install_location
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if HOMEBREW_CELLAR.exist? && !HOMEBREW_CELLAR.writable_real?
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raise "Cannot write to #{HOMEBREW_CELLAR}"
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end
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prefix_writable = HOMEBREW_PREFIX.writable_real? || HOMEBREW_PREFIX.to_s == "/usr/local"
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raise "Cannot write to #{HOMEBREW_PREFIX}" unless prefix_writable
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end
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def check_development_tools
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checks = Diagnostic::Checks.new
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failed = false
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checks.fatal_development_tools_checks.each do |check|
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out = checks.send(check)
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next if out.nil?
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failed ||= true
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ofail out
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end
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exit 1 if failed
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end
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def check_cellar
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FileUtils.mkdir_p HOMEBREW_CELLAR unless File.exist? HOMEBREW_CELLAR
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rescue
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raise <<~EOS
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Could not create #{HOMEBREW_CELLAR}
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Check you have permission to write to #{HOMEBREW_CELLAR.parent}
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EOS
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end
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def perform_preinstall_checks
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check_ppc
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check_writable_install_location
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check_cellar
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end
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end
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end
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