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# frozen_string_literal: true
# Some versions of the Bundler 1.1 RC series introduced corrupted
# lockfiles. There were two major problems:
#
# * multiple copies of the same GIT section appeared in the lockfile
# * when this happened, those sections got multiple copies of gems
# in those sections.
#
# As a result, Bundler 1.1 contains code that fixes the earlier
# corruption. We will remove this fix-up code in Bundler 1.2.
module Bundler
class LockfileParser
attr_reader :sources, :dependencies, :specs, :platforms, :bundler_version, :ruby_version
BUNDLED = "BUNDLED WITH".freeze
DEPENDENCIES = "DEPENDENCIES".freeze
PLATFORMS = "PLATFORMS".freeze
RUBY = "RUBY VERSION".freeze
GIT = "GIT".freeze
GEM = "GEM".freeze
PATH = "PATH".freeze
PLUGIN = "PLUGIN SOURCE".freeze
SPECS = " specs:".freeze
OPTIONS = /^ ([a-z]+): (.*)$/i
SOURCE = [GIT, GEM, PATH, PLUGIN].freeze
SECTIONS_BY_VERSION_INTRODUCED = {
# The strings have to be dup'ed for old RG on Ruby 2.3+
# TODO: remove dup in Bundler 2.0
Gem::Version.create("1.0".dup) => [DEPENDENCIES, PLATFORMS, GIT, GEM, PATH].freeze,
Gem::Version.create("1.10".dup) => [BUNDLED].freeze,
Gem::Version.create("1.12".dup) => [RUBY].freeze,
Gem::Version.create("1.13".dup) => [PLUGIN].freeze,
}.freeze
KNOWN_SECTIONS = SECTIONS_BY_VERSION_INTRODUCED.values.flatten.freeze
ENVIRONMENT_VERSION_SECTIONS = [BUNDLED, RUBY].freeze
def self.sections_in_lockfile(lockfile_contents)
lockfile_contents.scan(/^\w[\w ]*$/).uniq
end
def self.unknown_sections_in_lockfile(lockfile_contents)
sections_in_lockfile(lockfile_contents) - KNOWN_SECTIONS
end
def self.sections_to_ignore(base_version = nil)
base_version &&= base_version.release
base_version ||= Gem::Version.create("1.0".dup)
attributes = []
SECTIONS_BY_VERSION_INTRODUCED.each do |version, introduced|
next if version <= base_version
attributes += introduced
end
attributes
end
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 unless Bundler.feature_flag.lockfile_uses_separate_rubygems_sources?
@specs = @specs.values.sort_by(&:identifier)
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
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 (#{current_version}) is older " \
"than the version that created the lockfile (#{bundler_version}). We suggest you " \
"upgrade to the latest version of Bundler by running `gem " \
"install bundler#{prerelease_text}`.\n"
end
end
end
private
TYPES = {
GIT => Bundler::Source::Git,
GEM => Bundler::Source::Rubygems,
PATH => Bundler::Source::Path,
PLUGIN => Bundler::Plugin,
}.freeze
def parse_source(line)
case line
when SPECS
case @type
when PATH
@current_source = TYPES[@type].from_lock(@opts)
@sources << @current_source
when GIT
@current_source = TYPES[@type].from_lock(@opts)
# Strip out duplicate GIT sections
if @sources.include?(@current_source)
@current_source = @sources.find {|s| s == @current_source }
else
@sources << @current_source
end
when GEM
if Bundler.feature_flag.lockfile_uses_separate_rubygems_sources?
@opts["remotes"] = @opts.delete("remote")
@current_source = TYPES[@type].from_lock(@opts)
@sources << @current_source
else
Array(@opts["remote"]).each do |url|
@rubygems_aggregate.add_remote(url)
end
@current_source = @rubygems_aggregate
end
when PLUGIN
@current_source = Plugin.source_from_lock(@opts)
@sources << @current_source
end
when OPTIONS
value = $2
value = true if value == "true"
value = false if value == "false"
key = $1
if @opts[key]
@opts[key] = Array(@opts[key])
@opts[key] << value
else
@opts[key] = value
end
when *SOURCE
@current_source = nil
@opts = {}
@type = line
else
parse_spec(line)
end
end
space = / /
NAME_VERSION = /
^(#{space}{2}|#{space}{4}|#{space}{6})(?!#{space}) # Exactly 2, 4, or 6 spaces at the start of the line
(.*?) # Name
(?:#{space}\(([^-]*) # Space, followed by version
(?:-(.*))?\))? # Optional platform
(!)? # Optional pinned marker
$ # Line end
/xo
def parse_dependency(line)
return unless line =~ NAME_VERSION
spaces = $1
return unless spaces.size == 2
name = $2
version = $3
pinned = $5
version = version.split(",").map(&:strip) if version
dep = Bundler::Dependency.new(name, version)
if pinned && dep.name != "bundler"
spec = @specs.find {|_, v| v.name == dep.name }
dep.source = spec.last.source if spec
# Path sources need to know what the default name / version
# to use in the case that there are no gemspecs present. A fake
# gemspec is created based on the version set on the dependency
# TODO: Use the version from the spec instead of from the dependency
if version && version.size == 1 && version.first =~ /^\s*= (.+)\s*$/ && dep.source.is_a?(Bundler::Source::Path)
dep.source.name = name
dep.source.version = $1
end
end
@dependencies[dep.name] = dep
end
def parse_spec(line)
return unless line =~ NAME_VERSION
spaces = $1
name = $2
version = $3
platform = $4
if spaces.size == 4
version = Gem::Version.new(version)
platform = platform ? Gem::Platform.new(platform) : Gem::Platform::RUBY
@current_spec = LazySpecification.new(name, version, platform)
@current_spec.source = @current_source
# Avoid introducing multiple copies of the same spec (caused by
# duplicate GIT sections)
@specs[@current_spec.identifier] ||= @current_spec
elsif spaces.size == 6
version = version.split(",").map(&:strip) if version
dep = Gem::Dependency.new(name, version)
@current_spec.dependencies << dep
end
end
def parse_platform(line)
@platforms << Gem::Platform.new($1) if line =~ /^ (.*)$/
end
def parse_bundled_with(line)
line = line.strip
return unless Gem::Version.correct?(line)
@bundler_version = Gem::Version.create(line)
end
def parse_ruby(line)
@ruby_version = line.strip
end
end
end