47 lines
1.1 KiB
Ruby
47 lines
1.1 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_gem_path = ARGV[3]
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paths = ARGV[4].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").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}"
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ENV["BUNDLE_PATH"] = "#{bundle_path}"
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gem_path = ENV["GEM_PATH"]
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ENV["GEM_PATH"] = "\#{gem_path}\#{":" unless gem_path.nil? || gem_path.empty?}#{bundler_gem_path}"
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require 'rubygems'
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require 'bundler/setup'
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load Gem.bin_path(#{name.inspect}, #{exe.inspect})
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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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