pyrox.dev
lol
1require 'rbconfig'
2require 'rubygems'
3require 'rubygems/specification'
4require 'fileutils'
5
6# args/settings
7out = ENV["out"]
8ruby = ARGV[0]
9gemfile = ARGV[1]
10bundle_path = ARGV[2]
11bundler_gem_path = ARGV[3]
12paths = ARGV[4].split
13groups = ARGV[5].split
14
15# generate binstubs
16FileUtils.mkdir_p("#{out}/bin")
17paths.each do |path|
18 next unless File.directory?("#{path}/nix-support/gem-meta")
19
20 name = File.read("#{path}/nix-support/gem-meta/name")
21 executables = File.read("#{path}/nix-support/gem-meta/executables")
22 .force_encoding('UTF-8').split
23 executables.each do |exe|
24 File.open("#{out}/bin/#{exe}", "w") do |f|
25 f.write(<<-EOF)
26#!#{ruby}
27#
28# This file was generated by Nix.
29#
30# The application '#{exe}' is installed as part of a gem, and
31# this file is here to facilitate running it.
32#
33
34ENV["BUNDLE_GEMFILE"] = #{gemfile.dump}
35ENV["BUNDLE_PATH"] = #{bundle_path.dump}
36ENV['BUNDLE_FROZEN'] = '1'
37
38Gem.use_paths(#{bundler_gem_path.dump}, ENV["GEM_PATH"])
39
40require 'bundler'
41Bundler.setup(#{groups.map(&:dump).join(', ')})
42
43load Gem.bin_path(#{name.dump}, #{exe.dump})
44EOF
45 FileUtils.chmod("+x", "#{out}/bin/#{exe}")
46 end
47 end
48end