Class: Bundler::LockfileParser

Inherits:
Object
  • Object
show all
Defined in:
lib/bundler/lockfile_parser.rb

Constant Summary collapse

BUNDLED = 
"BUNDLED WITH".freeze
DEPENDENCIES = 
"DEPENDENCIES".freeze
PLATFORMS = 
"PLATFORMS".freeze
RUBY = 
"RUBY VERSION".freeze
GIT = 
"GIT".freeze
GEM = 
"GEM".freeze
PATH = 
"PATH".freeze
SPECS = 
"  specs:".freeze
OPTIONS = 
/^  ([a-z]+): (.*)$/i
SOURCE = 
[GIT, GEM, PATH].freeze
SECTIONS_BY_VERSION_INTRODUCED = 
{
  Gem::Version.create("1.0") => [DEPENDENCIES, PLATFORMS, GIT, GEM, PATH].freeze,
  Gem::Version.create("1.10") => [BUNDLED].freeze,
  Gem::Version.create("1.12") => [RUBY].freeze,
}.freeze
KNOWN_SECTIONS = 
SECTIONS_BY_VERSION_INTRODUCED.values.flatten.freeze
ENVIRONMENT_VERSION_SECTIONS = 
[BUNDLED, RUBY].freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lockfile) ⇒ LockfileParser

Returns a new instance of LockfileParser.



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# File 'lib/bundler/lockfile_parser.rb', line 58

def initialize(lockfile)
  @platforms    = []
  @sources      = []
  @dependencies = []
  @state        = nil
  @specs        = {}

  @rubygems_aggregate = Source::Rubygems.new

  if lockfile.match(/<<<<<<<|=======|>>>>>>>|\|\|\|\|\|\|\|/)
    raise LockfileError, "Your #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)} contains merge conflicts.\n" \
      "Run `git checkout HEAD -- #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)}` first to get a clean lock."
  end

  lockfile.split(/(?:\r?\n)+/).each do |line|
    if SOURCE.include?(line)
      @state = :source
      parse_source(line)
    elsif line == DEPENDENCIES
      @state = :dependency
    elsif line == PLATFORMS
      @state = :platform
    elsif line == RUBY
      @state = :ruby
    elsif line == BUNDLED
      @state = :bundled_with
    elsif line =~ /^[^\s]/
      @state = nil
    elsif @state
      send("parse_#{@state}", line)
    end
  end
  @sources << @rubygems_aggregate
  @specs = @specs.values
  warn_for_outdated_bundler_version
rescue ArgumentError => e
  Bundler.ui.debug(e)
  raise LockfileError, "Your lockfile is unreadable. Run `rm #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)}` " \
    "and then `bundle install` to generate a new lockfile."
end

Instance Attribute Details

#bundler_version ⇒ Object (readonly)

Returns the value of attribute bundler_version.



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# File 'lib/bundler/lockfile_parser.rb', line 16

def bundler_version
  @bundler_version
end

#dependencies ⇒ Object (readonly)

Returns the value of attribute dependencies.



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# File 'lib/bundler/lockfile_parser.rb', line 16

def dependencies
  @dependencies
end

#platforms ⇒ Object (readonly)

Returns the value of attribute platforms.



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# File 'lib/bundler/lockfile_parser.rb', line 16

def platforms
  @platforms
end

#ruby_version ⇒ Object (readonly)

Returns the value of attribute ruby_version.



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# File 'lib/bundler/lockfile_parser.rb', line 16

def ruby_version
  @ruby_version
end

#sources ⇒ Object (readonly)

Returns the value of attribute sources.



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# File 'lib/bundler/lockfile_parser.rb', line 16

def sources
  @sources
end

#specs ⇒ Object (readonly)

Returns the value of attribute specs.



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# File 'lib/bundler/lockfile_parser.rb', line 16

def specs
  @specs
end

Class Method Details

.sections_in_lockfile(lockfile_contents) ⇒ Object 



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# File 'lib/bundler/lockfile_parser.rb', line 39

def self.sections_in_lockfile(lockfile_contents)
  lockfile_contents.scan(/^\w[\w ]*$/).uniq
end

.sections_to_ignore(base_version = nil) ⇒ Object 



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# File 'lib/bundler/lockfile_parser.rb', line 47

def self.sections_to_ignore(base_version = nil)
  base_version &&= base_version.release
  base_version ||= Gem::Version.create("1.0")
  attributes = []
  SECTIONS_BY_VERSION_INTRODUCED.each do |version, introduced|
    next if version <= base_version
    attributes += introduced
  end
  attributes
end

.unknown_sections_in_lockfile(lockfile_contents) ⇒ Object 



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# File 'lib/bundler/lockfile_parser.rb', line 43

def self.unknown_sections_in_lockfile(lockfile_contents)
  sections_in_lockfile(lockfile_contents) - KNOWN_SECTIONS
end

Instance Method Details

#warn_for_outdated_bundler_version ⇒ Object 



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# File 'lib/bundler/lockfile_parser.rb', line 99

def warn_for_outdated_bundler_version
  return unless bundler_version
  prerelease_text = bundler_version.prerelease? ? " --pre" : ""
  current_version = Gem::Version.create(Bundler::VERSION)
  case current_version.segments.first <=> bundler_version.segments.first
  when -1
    raise LockfileError, "You must use Bundler #{bundler_version.segments.first} or greater with this lockfile."
  when 0
    if current_version < bundler_version
      Bundler.ui.warn "Warning: the running version of Bundler is older " \
           "than the version that created the lockfile. We suggest you " \
           "upgrade to the latest version of Bundler by running `gem " \
           "install bundler#{prerelease_text}`.\n"
    end
  end
end