summaryrefslogtreecommitdiff
path: root/lib/bundler/rubygems_ext.rb
blob: eda826422ffabcedd38adb676d99fe0b69267b0a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
# frozen_string_literal: true

require "pathname"

require "rubygems/specification"

# Possible use in Gem::Specification#source below and require
# shouldn't be deferred.
require "rubygems/source"

require_relative "match_platform"

module Gem
  class Specification
    attr_accessor :remote, :location, :relative_loaded_from

    remove_method :source
    attr_writer :source
    def source
      (defined?(@source) && @source) || Gem::Source::Installed.new
    end

    alias_method :rg_full_gem_path, :full_gem_path
    alias_method :rg_loaded_from,   :loaded_from

    def full_gem_path
      # this cannot check source.is_a?(Bundler::Plugin::API::Source)
      # because that _could_ trip the autoload, and if there are unresolved
      # gems at that time, this method could be called inside another require,
      # thus raising with that constant being undefined. Better to check a method
      if source.respond_to?(:path) || (source.respond_to?(:bundler_plugin_api_source?) && source.bundler_plugin_api_source?)
        Pathname.new(loaded_from).dirname.expand_path(source.root).to_s.tap{|x| x.untaint if RUBY_VERSION < "2.7" }
      else
        rg_full_gem_path
      end
    end

    def loaded_from
      if relative_loaded_from
        source.path.join(relative_loaded_from).to_s
      else
        rg_loaded_from
      end
    end

    def load_paths
      full_require_paths
    end

    if method_defined?(:extension_dir)
      alias_method :rg_extension_dir, :extension_dir
      def extension_dir
        @bundler_extension_dir ||= if source.respond_to?(:extension_dir_name)
          File.expand_path(File.join(extensions_dir, source.extension_dir_name))
        else
          rg_extension_dir
        end
      end
    end

    remove_method :gem_dir if instance_methods(false).include?(:gem_dir)
    def gem_dir
      full_gem_path
    end

    def groups
      @groups ||= []
    end

    def git_version
      return unless loaded_from && source.is_a?(Bundler::Source::Git)
      " #{source.revision[0..6]}"
    end

    def to_gemfile(path = nil)
      gemfile = String.new("source 'https://rubygems.org'\n")
      gemfile << dependencies_to_gemfile(nondevelopment_dependencies)
      unless development_dependencies.empty?
        gemfile << "\n"
        gemfile << dependencies_to_gemfile(development_dependencies, :development)
      end
      gemfile
    end

    def nondevelopment_dependencies
      dependencies - development_dependencies
    end

  private

    def dependencies_to_gemfile(dependencies, group = nil)
      gemfile = String.new
      if dependencies.any?
        gemfile << "group :#{group} do\n" if group
        dependencies.each do |dependency|
          gemfile << "  " if group
          gemfile << %(gem "#{dependency.name}")
          req = dependency.requirements_list.first
          gemfile << %(, "#{req}") if req
          gemfile << "\n"
        end
        gemfile << "end\n" if group
      end
      gemfile
    end
  end

  class Dependency
    attr_accessor :source, :groups, :all_sources

    alias_method :eql?, :==

    def encode_with(coder)
      to_yaml_properties.each do |ivar|
        coder[ivar.to_s.sub(/^@/, "")] = instance_variable_get(ivar)
      end
    end

    def to_yaml_properties
      instance_variables.reject {|p| ["@source", "@groups", "@all_sources"].include?(p.to_s) }
    end

    def to_lock
      out = String.new("  #{name}")
      unless requirement.none?
        reqs = requirement.requirements.map {|o, v| "#{o} #{v}" }.sort.reverse
        out << " (#{reqs.join(", ")})"
      end
      out
    end
  end

  class Platform
    JAVA  = Gem::Platform.new("java") unless defined?(JAVA)
    MSWIN = Gem::Platform.new("mswin32") unless defined?(MSWIN)
    MSWIN64 = Gem::Platform.new("mswin64") unless defined?(MSWIN64)
    MINGW = Gem::Platform.new("x86-mingw32") unless defined?(MINGW)
    X64_MINGW = Gem::Platform.new("x64-mingw32") unless defined?(X64_MINGW)

    undef_method :hash if method_defined? :hash
    def hash
      @cpu.hash ^ @os.hash ^ @version.hash
    end

    undef_method :eql? if method_defined? :eql?
    alias_method :eql?, :==
  end
end

module Gem
  class Specification
    include ::Bundler::MatchPlatform
  end
end