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authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/lib/rubygems/source/git.rb
Fresh start
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diff --git a/jni/ruby/lib/rubygems/source/git.rb b/jni/ruby/lib/rubygems/source/git.rb
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+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
+