From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001 From: Jari Vetoniemi Date: Mon, 16 Mar 2020 18:49:26 +0900 Subject: Fresh start --- jni/ruby/lib/rubygems/source/git.rb | 240 ++++++++++++++++++++++++++++++++++++ 1 file changed, 240 insertions(+) create mode 100644 jni/ruby/lib/rubygems/source/git.rb (limited to 'jni/ruby/lib/rubygems/source/git.rb') diff --git a/jni/ruby/lib/rubygems/source/git.rb b/jni/ruby/lib/rubygems/source/git.rb new file mode 100644 index 0000000..35c2270 --- /dev/null +++ b/jni/ruby/lib/rubygems/source/git.rb @@ -0,0 +1,240 @@ +require 'digest' +require 'rubygems/util' + +## +# A git gem for use in a gem dependencies file. +# +# Example: +# +# source = +# Gem::Source::Git.new 'rake', 'git@example:rake.git', 'rake-10.1.0', false +# +# source.specs + +class Gem::Source::Git < Gem::Source + + ## + # The name of the gem created by this git gem. + + attr_reader :name + + ## + # The commit reference used for checking out this git gem. + + attr_reader :reference + + ## + # When false the cache for this repository will not be updated. + + attr_accessor :remote + + ## + # The git repository this gem is sourced from. + + attr_reader :repository + + ## + # The directory for cache and git gem installation + + attr_accessor :root_dir + + ## + # Does this repository need submodules checked out too? + + attr_reader :need_submodules + + ## + # Creates a new git gem source for a gems from loaded from +repository+ at + # the given +reference+. The +name+ is only used to track the repository + # back to a gem dependencies file, it has no real significance as a git + # repository may contain multiple gems. If +submodules+ is true, submodules + # will be checked out when the gem is installed. + + def initialize name, repository, reference, submodules = false + super repository + + @name = name + @repository = repository + @reference = reference + @need_submodules = submodules + + @remote = true + @root_dir = Gem.dir + @git = ENV['git'] || 'git' + end + + def <=> other + case other + when Gem::Source::Git then + 0 + when Gem::Source::Vendor, + Gem::Source::Lock then + -1 + when Gem::Source then + 1 + else + nil + end + end + + def == other # :nodoc: + super and + @name == other.name and + @repository == other.repository and + @reference == other.reference and + @need_submodules == other.need_submodules + end + + ## + # Checks out the files for the repository into the install_dir. + + def checkout # :nodoc: + cache + + return false unless File.exist? repo_cache_dir + + unless File.exist? install_dir then + system @git, 'clone', '--quiet', '--no-checkout', + repo_cache_dir, install_dir + end + + Dir.chdir install_dir do + system @git, 'fetch', '--quiet', '--force', '--tags', install_dir + + success = system @git, 'reset', '--quiet', '--hard', rev_parse + + success &&= + Gem::Util.silent_system @git, 'submodule', 'update', + '--quiet', '--init', '--recursive' if @need_submodules + + success + end + end + + ## + # Creates a local cache repository for the git gem. + + def cache # :nodoc: + return unless @remote + + if File.exist? repo_cache_dir then + Dir.chdir repo_cache_dir do + system @git, 'fetch', '--quiet', '--force', '--tags', + @repository, 'refs/heads/*:refs/heads/*' + end + else + system @git, 'clone', '--quiet', '--bare', '--no-hardlinks', + @repository, repo_cache_dir + end + end + + ## + # Directory where git gems get unpacked and so-forth. + + def base_dir # :nodoc: + File.join @root_dir, 'bundler' + end + + ## + # A short reference for use in git gem directories + + def dir_shortref # :nodoc: + rev_parse[0..11] + end + + ## + # Nothing to download for git gems + + def download full_spec, path # :nodoc: + end + + ## + # The directory where the git gem will be installed. + + def install_dir # :nodoc: + return unless File.exist? repo_cache_dir + + File.join base_dir, 'gems', "#{@name}-#{dir_shortref}" + end + + def pretty_print q # :nodoc: + q.group 2, '[Git: ', ']' do + q.breakable + q.text @repository + + q.breakable + q.text @reference + end + end + + ## + # The directory where the git gem's repository will be cached. + + def repo_cache_dir # :nodoc: + File.join @root_dir, 'cache', 'bundler', 'git', "#{@name}-#{uri_hash}" + end + + ## + # Converts the git reference for the repository into a commit hash. + + def rev_parse # :nodoc: + hash = nil + + Dir.chdir repo_cache_dir do + hash = Gem::Util.popen(@git, 'rev-parse', @reference).strip + end + + raise Gem::Exception, + "unable to find reference #{@reference} in #{@repository}" unless + $?.success? + + hash + end + + ## + # Loads all gemspecs in the repository + + def specs + checkout + + return [] unless install_dir + + Dir.chdir install_dir do + Dir['{,*,*/*}.gemspec'].map do |spec_file| + directory = File.dirname spec_file + file = File.basename spec_file + + Dir.chdir directory do + spec = Gem::Specification.load file + if spec then + spec.base_dir = base_dir + + spec.extension_dir = + File.join base_dir, 'extensions', Gem::Platform.local.to_s, + Gem.extension_api_version, "#{name}-#{dir_shortref}" + + spec.full_gem_path = File.dirname spec.loaded_from if spec + end + spec + end + end.compact + end + end + + ## + # A hash for the git gem based on the git repository URI. + + def uri_hash # :nodoc: + normalized = + if @repository =~ %r%^\w+://(\w+@)?% then + uri = URI(@repository).normalize.to_s.sub %r%/$%,'' + uri.sub(/\A(\w+)/) { $1.downcase } + else + @repository + end + + Digest::SHA1.hexdigest normalized + end + +end + -- cgit v1.2.3