Class: Bundler::LockfileParser

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

Constant Summary collapse

BUNDLED = 
"BUNDLED WITH"
DEPENDENCIES = 
"DEPENDENCIES"
PLATFORMS = 
"PLATFORMS"
GIT = 
"GIT"
GEM = 
"GEM"
PATH = 
"PATH"
SPECS = 
"  specs:"
OPTIONS = 
/^  ([a-z]+): (.*)$/i
SOURCE = 
[GIT, GEM, PATH]

Instance Attribute 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 27

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

  @rubygems_aggregate = Source::Rubygems.new

  if lockfile.match(/<<<<<<<|=======|>>>>>>>|\|\|\|\|\|\|\|/)
    raise LockfileError, "Your Gemfile.lock contains merge conflicts.\n" \
      "Run `git checkout HEAD -- Gemfile.lock` 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 == 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 Gemfile.lock` " \
    "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 15

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 15

def dependencies
  @dependencies
end

#platforms ⇒ Object (readonly)

Returns the value of attribute platforms.



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# File 'lib/bundler/lockfile_parser.rb', line 15

def platforms
  @platforms
end

#sources ⇒ Object (readonly)

Returns the value of attribute sources.



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# File 'lib/bundler/lockfile_parser.rb', line 15

def sources
  @sources
end

#specs ⇒ Object (readonly)

Returns the value of attribute specs.



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# File 'lib/bundler/lockfile_parser.rb', line 15

def specs
  @specs
end

Instance Method Details

#warn_for_outdated_bundler_version ⇒ Object 



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# File 'lib/bundler/lockfile_parser.rb', line 66

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