pyrox.dev
1require 'rbconfig'
2require 'bundler/vendored_thor'
3require 'bundler'
4require 'rubygems/command'
5require 'fileutils'
6require 'pathname'
7require 'tmpdir'
8
9if defined?(Encoding.default_internal)
10 Encoding.default_internal = Encoding::UTF_8
11 Encoding.default_external = Encoding::UTF_8
12end
13
14# Options:
15#
16# type - installation type, either "git" or "path"
17# name - the gem name
18# version - gem version
19# build-flags - build arguments
20#
21# Git-only options:
22#
23# uri - git repo uri
24# repo - path to local checkout
25# ref - the commit hash
26
27ruby = File.join(ENV["ruby"], "bin", RbConfig::CONFIG['ruby_install_name'])
28out = ENV["out"]
29bin_dir = File.join(ENV["out"], "bin")
30
31type = ARGV[0]
32name = ARGV[1]
33version = ARGV[2]
34build_flags = ARGV[3]
35if type == "git"
36 uri = ARGV[4]
37 REPO = ARGV[5]
38 ref = ARGV[6]
39end
40
41# options to pass to bundler
42options = {
43 "name" => name,
44 "version" => version,
45}
46if type == "path"
47 options.merge!({
48 "path" => Dir.pwd,
49 })
50elsif type == "git"
51 options.merge!({
52 "uri" => uri,
53 "ref" => ref,
54 })
55end
56
57# Monkey-patch Bundler to use our local checkout.
58# I wish we didn't have to do this, but bundler does not expose an API to do
59# these kinds of things.
60Bundler.module_eval do
61 def self.requires_sudo?
62 false
63 end
64
65 def self.root
66 # we don't have a Gemfile, so it doesn't make sense to try to make paths
67 # relative to the (non existent) parent directory thereof, so we give a
68 # nonsense path here.
69 Pathname.new("/no-root-path")
70 end
71
72 def self.bundle_path
73 Pathname.new(ENV["GEM_HOME"])
74 end
75
76 def self.locked_gems
77 nil
78 end
79end
80
81if type == "git"
82 Bundler::Source::Git.class_eval do
83 def allow_git_ops?
84 true
85 end
86 end
87
88 Bundler::Source::Git::GitProxy.class_eval do
89 def checkout
90 unless path.exist?
91 FileUtils.mkdir_p(path.dirname)
92 FileUtils.cp_r(File.join(REPO, ".git"), path)
93 system("chmod -R +w #{path}")
94 end
95 end
96
97 def copy_to(destination, submodules=false)
98 unless File.exist?(destination.join(".git"))
99 FileUtils.mkdir_p(destination.dirname)
100 FileUtils.cp_r(REPO, destination)
101 system("chmod -R +w #{destination}")
102 end
103 end
104 end
105end
106
107# UI
108verbose = false
109no_color = false
110Bundler.ui = Bundler::UI::Shell.new({"no-color" => no_color})
111Bundler.ui.level = "debug" if verbose
112
113# Install
114if type == "git"
115 source = Bundler::Source::Git.new(options)
116else
117 source = Bundler::Source::Path.new(options)
118end
119spec = source.specs.search_all(name).first
120Bundler.rubygems.with_build_args [build_flags] do
121 source.install(spec)
122end
123
124msg = spec.post_install_message
125if msg
126 Bundler.ui.confirm "Post-install message from #{name}:"
127 Bundler.ui.info msg
128end
129
130# Write out the binstubs
131if spec.executables.any?
132 FileUtils.mkdir_p(bin_dir)
133 spec.executables.each do |exe|
134 wrapper = File.join(bin_dir, exe)
135 File.open(wrapper, "w") do |f|
136 f.write(<<-EOF)
137#!#{ruby}
138#
139# This file was generated by Nix.
140#
141# The application '#{exe}' is installed as part of a gem, and
142# this file is here to facilitate running it.
143#
144
145require 'rubygems'
146require 'bundler/setup'
147
148load Gem.bin_path(#{spec.name.inspect}, #{exe.inspect})
149EOF
150 end
151
152 FileUtils.chmod("+x", wrapper)
153 end
154end
155
156# Write out metadata
157meta = "#{out}/nix-support/gem-meta"
158FileUtils.mkdir_p(meta)
159FileUtils.ln_s(spec.loaded_from.to_s, "#{meta}/spec")
160File.open("#{meta}/name", "w") do |f|
161 f.write spec.name
162end
163if type == "git"
164 File.open("#{meta}/install-path", "w") do |f|
165 f.write source.install_path.to_s
166 end
167end
168File.open("#{meta}/require-paths", "w") do |f|
169 f.write spec.require_paths.join(" ")
170end
171File.open("#{meta}/executables", "w") do |f|
172 f.write spec.executables.join(" ")
173end
174
175# make the lib available during bundler/git installs
176if type == "git"
177 File.open("#{out}/nix-support/setup-hook", "a") do |f|
178 spec.require_paths.each do |dir|
179 f.puts("addToSearchPath RUBYLIB #{source.install_path}/#{dir}")
180 end
181 end
182end