51 lines
1.2 KiB
Ruby
51 lines
1.2 KiB
Ruby
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require 'rbconfig'
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require 'rubygems'
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require 'rubygems/specification'
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require 'fileutils'
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# args/settings
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out = ENV["out"]
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ruby = ARGV[0]
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gemfile = ARGV[1]
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bundle_path = ARGV[2]
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bundler_path = ARGV[3]
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paths = ARGV[4].split
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groups = ARGV[5].split
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# generate binstubs
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FileUtils.mkdir_p("#{out}/bin")
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paths.each do |path|
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next unless File.directory?("#{path}/nix-support/gem-meta")
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name = File.read("#{path}/nix-support/gem-meta/name")
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executables = File.read("#{path}/nix-support/gem-meta/executables")
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.force_encoding('UTF-8').split
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executables.each do |exe|
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File.open("#{out}/bin/#{exe}", "w") do |f|
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f.write(<<-EOF)
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#!#{ruby}
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#
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# This file was generated by Nix.
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#
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# The application '#{exe}' is installed as part of a gem, and
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# this file is here to facilitate running it.
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#
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ENV["BUNDLE_GEMFILE"] = #{gemfile.dump}
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ENV.delete 'BUNDLE_PATH'
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ENV['BUNDLE_FROZEN'] = '1'
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Gem.paths = { 'GEM_HOME' => #{bundle_path.dump} }
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$LOAD_PATH.unshift #{File.join(bundler_path, "/lib").dump}
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require 'bundler'
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Bundler.setup(#{groups.map(&:dump).join(', ')})
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load Gem.bin_path(#{name.dump}, #{exe.dump})
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EOF
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FileUtils.chmod("+x", "#{out}/bin/#{exe}")
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end
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end
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end
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