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# frozen_string_literal: true
module Bundler
class LockfileGenerator
attr_reader :definition
attr_reader :out
# @private
def initialize(definition)
@definition = definition
@out = String.new
end
def self.generate(definition)
new(definition).generate!
end
def generate!
add_sources
add_platforms
add_dependencies
add_optional_groups
add_gemfiles
add_locked_ruby_version
add_bundled_with
out
end
private
def add_sources
definition.send(:sources).lock_sources.each_with_index do |source, idx|
out << "\n" unless idx.zero?
# Add the source header
out << source.to_lock
# Find all specs for this source
specs = definition.resolve.select {|s| source.can_lock?(s) }
add_specs(specs)
end
end
def add_specs(specs)
# This needs to be sorted by full name so that
# gems with the same name, but different platform
# are ordered consistently
specs.sort_by(&:full_name).each do |spec|
next if spec.name == "bundler".freeze
out << spec.to_lock
end
end
def add_platforms
add_section("PLATFORMS", definition.platforms)
end
def add_dependencies
out << "\nDEPENDENCIES\n"
handled = []
definition.dependencies.sort_by(&:to_s).each do |dep|
next if handled.include?(dep.name)
out << " #{dep.name}"
unless dep.requirement.none?
reqs = dep.requirement.requirements.map {|o, v| "#{o} #{v}" }.sort.reverse
out << " (#{reqs.join(", ")})"
end
out << "!" if dep.source
out << "\n"
add_value(dep.options_to_lock, 4)
handled << dep.name
end
end
def add_optional_groups
add_section("OPTIONAL GROUPS", definition.optional_groups)
end
def add_gemfiles
return unless SharedHelpers.md5_available?
gemfiles = {}
definition.gemfiles.each do |file|
md5 = Digest::MD5.file(file).hexdigest
if file.to_s.start_with?(Bundler.root.to_s)
file = file.relative_path_from(Bundler.root)
end
gemfiles[file] = "md5 #{md5}"
end
add_section("GEMFILE CHECKSUMS", gemfiles)
end
def add_locked_ruby_version
return unless locked_ruby_version = definition.locked_ruby_version
add_section("RUBY VERSION", locked_ruby_version.to_s)
end
def add_bundled_with
add_section("BUNDLED WITH", definition.locked_bundler_version.to_s)
end
def add_section(name, value)
out << "\n#{name}\n"
add_value(value, 2)
end
def add_value(value, indentation)
indent = " " * indentation
case value
when Array
value.map(&:to_s).sort.each do |val|
out << "#{indent}#{val}\n"
end
when Hash
value.to_a.sort_by {|k, _| k.to_s }.each do |key, val|
Array(val).sort.each do |v|
out << "#{indent}#{key}: #{v}\n"
end
end
when String
out << "#{indent} #{value}\n"
else
raise ArgumentError, "#{value.inspect} can't be serialized in a lockfile"
end
end
end
end
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