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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/resolver/activation_request.rb
Fresh start
Diffstat (limited to 'jni/ruby/lib/rubygems/resolver/activation_request.rb')
-rw-r--r--jni/ruby/lib/rubygems/resolver/activation_request.rb172
1 files changed, 172 insertions, 0 deletions
diff --git a/jni/ruby/lib/rubygems/resolver/activation_request.rb b/jni/ruby/lib/rubygems/resolver/activation_request.rb
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+++ b/jni/ruby/lib/rubygems/resolver/activation_request.rb
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+##
+# Specifies a Specification object that should be activated. Also contains a
+# dependency that was used to introduce this activation.
+
+class Gem::Resolver::ActivationRequest
+
+ ##
+ # The parent request for this activation request.
+
+ attr_reader :request
+
+ ##
+ # The specification to be activated.
+
+ attr_reader :spec
+
+ ##
+ # Creates a new ActivationRequest that will activate +spec+. The parent
+ # +request+ is used to provide diagnostics in case of conflicts.
+ #
+ # +others_possible+ indicates that other specifications may also match this
+ # activation request.
+
+ def initialize spec, request, others_possible = true
+ @spec = spec
+ @request = request
+ @others_possible = others_possible
+ end
+
+ def == other # :nodoc:
+ case other
+ when Gem::Specification
+ @spec == other
+ when Gem::Resolver::ActivationRequest
+ @spec == other.spec && @request == other.request
+ else
+ false
+ end
+ end
+
+ ##
+ # Is this activation request for a development dependency?
+
+ def development?
+ @request.development?
+ end
+
+ ##
+ # Downloads a gem at +path+ and returns the file path.
+
+ def download path
+ if @spec.respond_to? :source
+ source = @spec.source
+ else
+ source = Gem.sources.first
+ end
+
+ Gem.ensure_gem_subdirectories path
+
+ source.download full_spec, path
+ end
+
+ ##
+ # The full name of the specification to be activated.
+
+ def full_name
+ @spec.full_name
+ end
+
+ ##
+ # The Gem::Specification for this activation request.
+
+ def full_spec
+ Gem::Specification === @spec ? @spec : @spec.spec
+ end
+
+ def inspect # :nodoc:
+ others =
+ case @others_possible
+ when true then # TODO remove at RubyGems 3
+ ' (others possible)'
+ when false then # TODO remove at RubyGems 3
+ nil
+ else
+ unless @others_possible.empty? then
+ others = @others_possible.map { |s| s.full_name }
+ " (others possible: #{others.join ', '})"
+ end
+ end
+
+ '#<%s for %p from %s%s>' % [
+ self.class, @spec, @request, others
+ ]
+ end
+
+ ##
+ # True if the requested gem has already been installed.
+
+ def installed?
+ case @spec
+ when Gem::Resolver::VendorSpecification then
+ true
+ else
+ this_spec = full_spec
+
+ Gem::Specification.any? do |s|
+ s == this_spec
+ end
+ end
+ end
+
+ ##
+ # The name of this activation request's specification
+
+ def name
+ @spec.name
+ end
+
+ ##
+ # Indicate if this activation is one of a set of possible
+ # requests for the same Dependency request.
+
+ def others_possible?
+ case @others_possible
+ when true, false then
+ @others_possible
+ else
+ not @others_possible.empty?
+ end
+ end
+
+ ##
+ # Return the ActivationRequest that contained the dependency
+ # that we were activated for.
+
+ def parent
+ @request.requester
+ end
+
+ def pretty_print q # :nodoc:
+ q.group 2, '[Activation request', ']' do
+ q.breakable
+ q.pp @spec
+
+ q.breakable
+ q.text ' for '
+ q.pp @request
+
+ case @others_possible
+ when false then
+ when true then
+ q.breakable
+ q.text 'others possible'
+ else
+ unless @others_possible.empty? then
+ q.breakable
+ q.text 'others '
+ q.pp @others_possible.map { |s| s.full_name }
+ end
+ end
+ end
+ end
+
+ ##
+ # The version of this activation request's specification
+
+ def version
+ @spec.version
+ end
+
+end
+