Class: Bundler::Dsl

Inherits:
Object
  • Object
show all
Includes:
RubyDsl
Defined in:
lib/bundler/dsl.rb

Constant Summary

VALID_PLATFORMS =
Bundler::Dependency::PLATFORM_MAP.keys.freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from RubyDsl

#ruby

Constructor Details

#initializeDsl

Returns a new instance of Dsl



18
19
20
21
22
23
24
25
26
27
28
# File 'lib/bundler/dsl.rb', line 18

def initialize
  @source          = nil
  @sources         = SourceList.new
  @git_sources     = {}
  @dependencies    = []
  @groups          = []
  @platforms       = []
  @env             = nil
  @ruby_version    = nil
  add_github_sources
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object

Raises:



177
178
179
180
181
# File 'lib/bundler/dsl.rb', line 177

def method_missing(name, *args)
  location = caller[0].split(':')[0..1].join(':')
  raise GemfileError, "Undefined local variable or method `#{name}' for Gemfile\n" \
    "        from #{location}"
end

Instance Attribute Details

#dependenciesObject

Returns the value of attribute dependencies



16
17
18
# File 'lib/bundler/dsl.rb', line 16

def dependencies
  @dependencies
end

Class Method Details

.evaluate(gemfile, lockfile, unlock) ⇒ Object



8
9
10
11
12
# File 'lib/bundler/dsl.rb', line 8

def self.evaluate(gemfile, lockfile, unlock)
  builder = new
  builder.eval_gemfile(gemfile)
  builder.to_definition(lockfile, unlock)
end

Instance Method Details

#env(name) ⇒ Object



170
171
172
173
174
175
# File 'lib/bundler/dsl.rb', line 170

def env(name)
  @env, old = name, @env
  yield
ensure
  @env = old
end

#eval_gemfile(gemfile, contents = nil) ⇒ Object



30
31
32
33
34
35
36
37
38
39
40
41
# File 'lib/bundler/dsl.rb', line 30

def eval_gemfile(gemfile, contents = nil)
  contents ||= Bundler.read_file(gemfile.to_s)
  instance_eval(contents, gemfile.to_s, 1)
rescue SyntaxError => e
  syntax_msg = e.message.gsub("#{gemfile.to_s}:", 'on line ')
  raise GemfileError, "Gemfile syntax error #{syntax_msg}"
rescue ScriptError, RegexpError, NameError, ArgumentError => e
  e.backtrace[0] = "#{e.backtrace[0]}: #{e.message} (#{e.class})"
  Bundler.ui.warn e.backtrace.join("\n       ")
  raise GemfileError, "There was an error in your Gemfile," \
    " and Bundler cannot continue."
end

#gem(name, *args) ⇒ Object



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
# File 'lib/bundler/dsl.rb', line 68

def gem(name, *args)
  options = args.last.is_a?(Hash) ? args.pop.dup : {}
  version = args || [">= 0"]

  normalize_options(name, version, options)

  dep = Dependency.new(name, version, options)

  # if there's already a dependency with this name we try to prefer one
  if current = @dependencies.find { |d| d.name == dep.name }
    if current.requirement != dep.requirement
      if current.type == :development
        @dependencies.delete current
      elsif dep.type == :development
        return
      else
        raise GemfileError, "You cannot specify the same gem twice with different version requirements.\n" \
                        "You specified: #{current.name} (#{current.requirement}) and #{dep.name} (#{dep.requirement})"
      end

    else
      Bundler.ui.warn "Your Gemfile lists the gem #{current.name} (#{current.requirement}) more than once.\n" \
                      "You should probably keep only one of them.\n" \
                      "While it's not a problem now, it could cause errors if you change the version of just one of them later."
    end

    if current.source != dep.source
      if current.type == :development
        @dependencies.delete current
      elsif dep.type == :development
        return
      else
        raise GemfileError, "You cannot specify the same gem twice coming from different sources.\n" \
                        "You specified that #{dep.name} (#{dep.requirement}) should come from " \
                        "#{current.source || 'an unspecified source'} and #{dep.source}\n"
      end
    end
  end

  @dependencies << dep
end

#gemspec(opts = nil) ⇒ Object



43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
# File 'lib/bundler/dsl.rb', line 43

def gemspec(opts = nil)
  path              = opts && opts[:path] || '.'
  name              = opts && opts[:name] || '{,*}'
  development_group = opts && opts[:development_group] || :development
  expanded_path     = File.expand_path(path, Bundler.default_gemfile.dirname)

  gemspecs = Dir[File.join(expanded_path, "#{name}.gemspec")]

  case gemspecs.size
  when 1
    spec = Bundler.load_gemspec(gemspecs.first)
    raise InvalidOption, "There was an error loading the gemspec at #{gemspecs.first}." unless spec
    gem spec.name, :path => path
    group(development_group) do
      spec.development_dependencies.each do |dep|
        gem dep.name, *(dep.requirement.as_list + [:type => :development])
      end
    end
  when 0
    raise InvalidOption, "There are no gemspecs at #{expanded_path}."
  else
    raise InvalidOption, "There are multiple gemspecs at #{expanded_path}. Please use the :name option to specify which one."
  end
end

#git(uri, options = {}, &blk) ⇒ Object



136
137
138
139
140
141
142
143
144
145
146
147
148
149
# File 'lib/bundler/dsl.rb', line 136

def git(uri, options = {}, &blk)
  unless block_given?
    msg = "You can no longer specify a git source by itself. Instead, \n" \
          "either use the :git option on a gem, or specify the gems that \n" \
          "bundler should find in the git source by passing a block to \n" \
          "the git method, like: \n\n" \
          "  git 'git://github.com/rails/rails.git' do\n" \
          "    gem 'rails'\n" \
          "  end"
    raise DeprecatedError, msg
  end

  with_source(@sources.add_git_source(normalize_hash(options).merge("uri" => uri)), &blk)
end

#git_source(name, &block) ⇒ Object



119
120
121
122
123
124
125
126
127
128
129
130
# File 'lib/bundler/dsl.rb', line 119

def git_source(name, &block)
  unless block_given?
    raise InvalidOption, "You need to pass a block to #git_source"
  end

  if valid_keys.include?(name.to_s)
    raise InvalidOption, "You cannot use #{name} as a git source. It " \
      "is a reserved key. Reserved keys are: #{valid_keys.join(", ")}"
  end

  @git_sources[name.to_s] = block
end

#group(*args, &blk) ⇒ Object



155
156
157
158
159
160
# File 'lib/bundler/dsl.rb', line 155

def group(*args, &blk)
  @groups.concat args
  yield
ensure
  args.each { @groups.pop }
end

#path(path, options = {}, &blk) ⇒ Object



132
133
134
# File 'lib/bundler/dsl.rb', line 132

def path(path, options = {}, &blk)
  with_source(@sources.add_path_source(normalize_hash(options).merge("path" => Pathname.new(path))), &blk)
end

#platforms(*platforms) ⇒ Object Also known as: platform



162
163
164
165
166
167
# File 'lib/bundler/dsl.rb', line 162

def platforms(*platforms)
  @platforms.concat platforms
  yield
ensure
  platforms.each { @platforms.pop }
end

#source(source, &blk) ⇒ Object



110
111
112
113
114
115
116
117
# File 'lib/bundler/dsl.rb', line 110

def source(source, &blk)
  source = normalize_source(source)
  if block_given?
    with_source(@sources.add_rubygems_source("remotes" => source), &blk)
  else
    @sources.add_rubygems_remote(source)
  end
end

#to_definition(lockfile, unlock) ⇒ Object



151
152
153
# File 'lib/bundler/dsl.rb', line 151

def to_definition(lockfile, unlock)
  Definition.new(lockfile, @dependencies, @sources, unlock, @ruby_version)
end