70253f0009
Now we have `python` for Python 3 and `python@2` for Python 2 some more adjustments need to be made.
64 lines
1.6 KiB
Ruby
64 lines
1.6 KiB
Ruby
require "requirement"
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class LanguageModuleRequirement < Requirement
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fatal true
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def initialize(language, module_name, import_name = nil)
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@language = language
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@module_name = module_name
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@import_name = import_name || module_name
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super([language, module_name, import_name])
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end
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satisfy(build_env: false) { quiet_system(*the_test) }
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def message
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s = <<~EOS
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Unsatisfied dependency: #{@module_name}
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Homebrew does not provide special #{@language.to_s.capitalize} dependencies; install with:
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`#{command_line} #{@module_name}`
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EOS
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unless [:python, :perl, :ruby].include? @language
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s += <<~EOS
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You may need to: `brew install #{@language}`
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EOS
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end
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s
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end
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def the_test
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case @language
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when :lua
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["/usr/bin/env", "luarocks-5.2", "show", @import_name.to_s]
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when :lua51
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["/usr/bin/env", "luarocks-5.1", "show", @import_name.to_s]
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when :perl
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["/usr/bin/env", "perl", "-e", "use #{@import_name}"]
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when :python
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["/usr/bin/env", "python2", "-c", "import #{@import_name}"]
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when :python3
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["/usr/bin/env", "python", "-c", "import #{@import_name}"]
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when :ruby
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["/usr/bin/env", "ruby", "-rubygems", "-e", "require '#{@import_name}'"]
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end
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end
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def command_line
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case @language
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when :lua then "luarocks-5.2 install"
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when :lua51 then "luarocks-5.1 install"
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when :perl then "cpan -i"
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when :python then "pip3 install"
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when :python3 then "pip install"
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when :ruby then "gem install"
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end
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end
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def display_s
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"#{@module_name} (#{@language} module)"
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end
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end
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