Class: Gem::Resolver::InstallerSet
- Defined in:
- lib/rubygems/resolver/installer_set.rb
Overview
A set of gems for installation sourced from remote sources and local .gem files
Instance Attribute Summary collapse
-
#always_install ⇒ Object
readonly
List of Gem::Specification objects that must always be installed.
-
#ignore_dependencies ⇒ Object
Only install gems in the always_install list.
-
#ignore_installed ⇒ Object
Do not look in the installed set when finding specifications.
-
#remote_set ⇒ Object
readonly
The remote_set looks up remote gems for installation.
Attributes inherited from Set
Instance Method Summary collapse
-
#add_always_install(dependency) ⇒ Object
Looks up the latest specification for
dependency
and adds it to the always_install list. -
#add_local(dep_name, spec, source) ⇒ Object
Adds a local gem requested using
dep_name
with the givenspec
that can be loaded and installed using thesource
. -
#consider_local? ⇒ Boolean
Should local gems should be considered?.
-
#consider_remote? ⇒ Boolean
Should remote gems should be considered?.
-
#errors ⇒ Object
Errors encountered while resolving gems.
-
#find_all(req) ⇒ Object
Returns an array of IndexSpecification objects matching DependencyRequest
req
. -
#initialize(domain) ⇒ InstallerSet
constructor
Creates a new InstallerSet that will look for gems in
domain
. -
#inspect ⇒ Object
:nodoc:.
-
#load_spec(name, ver, platform, source) ⇒ Object
Called from IndexSpecification to get a true Specification object.
-
#local?(dep_name) ⇒ Boolean
Has a local gem for
dep_name
been added to this set?. - #prefetch(reqs) ⇒ Object
- #prerelease=(allow_prerelease) ⇒ Object
-
#pretty_print(q) ⇒ Object
:nodoc:.
-
#remote=(remote) ⇒ Object
:nodoc:.
Methods inherited from Set
Constructor Details
#initialize(domain) ⇒ InstallerSet
Creates a new InstallerSet that will look for gems in domain
.
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# File 'lib/rubygems/resolver/installer_set.rb', line 31 def initialize domain super() @domain = domain @remote = consider_remote? @f = Gem::SpecFetcher.fetcher @always_install = [] @ignore_dependencies = false @ignore_installed = false @local = {} @remote_set = Gem::Resolver::BestSet.new @specs = {} end |
Instance Attribute Details
#always_install ⇒ Object (readonly)
List of Gem::Specification objects that must always be installed.
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# File 'lib/rubygems/resolver/installer_set.rb', line 10 def always_install @always_install end |
#ignore_dependencies ⇒ Object
Only install gems in the always_install list
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# File 'lib/rubygems/resolver/installer_set.rb', line 15 def ignore_dependencies @ignore_dependencies end |
#ignore_installed ⇒ Object
Do not look in the installed set when finding specifications. This is used by the –install-dir option to ‘gem install`
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# File 'lib/rubygems/resolver/installer_set.rb', line 21 def ignore_installed @ignore_installed end |
#remote_set ⇒ Object (readonly)
The remote_set looks up remote gems for installation.
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# File 'lib/rubygems/resolver/installer_set.rb', line 26 def remote_set @remote_set end |
Instance Method Details
#add_always_install(dependency) ⇒ Object
Looks up the latest specification for dependency
and adds it to the always_install list.
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# File 'lib/rubygems/resolver/installer_set.rb', line 51 def add_always_install dependency request = Gem::Resolver::DependencyRequest.new dependency, nil found = find_all request found.delete_if { |s| s.version.prerelease? and not s.local? } unless dependency.prerelease? found = found.select do |s| Gem::Source::SpecificFile === s.source or Gem::Platform::RUBY == s.platform or Gem::Platform.local === s.platform end if found.empty? then exc = Gem::UnsatisfiableDependencyError.new request exc.errors = errors raise exc end newest = found.max_by do |s| [s.version, s.platform == Gem::Platform::RUBY ? -1 : 1] end @always_install << newest.spec end |
#add_local(dep_name, spec, source) ⇒ Object
Adds a local gem requested using dep_name
with the given spec
that can be loaded and installed using the source
.
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# File 'lib/rubygems/resolver/installer_set.rb', line 84 def add_local dep_name, spec, source @local[dep_name] = [spec, source] end |
#consider_local? ⇒ Boolean
Should local gems should be considered?
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# File 'lib/rubygems/resolver/installer_set.rb', line 91 def consider_local? # :nodoc: @domain == :both or @domain == :local end |
#consider_remote? ⇒ Boolean
Should remote gems should be considered?
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# File 'lib/rubygems/resolver/installer_set.rb', line 98 def consider_remote? # :nodoc: @domain == :both or @domain == :remote end |
#errors ⇒ Object
Errors encountered while resolving gems
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# File 'lib/rubygems/resolver/installer_set.rb', line 105 def errors @errors + @remote_set.errors end |
#find_all(req) ⇒ Object
Returns an array of IndexSpecification objects matching DependencyRequest req
.
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# File 'lib/rubygems/resolver/installer_set.rb', line 113 def find_all req res = [] dep = req.dependency return res if @ignore_dependencies and @always_install.none? { |spec| dep.match? spec } name = dep.name dep.matching_specs.each do |gemspec| next if @always_install.any? { |spec| spec.name == gemspec.name } res << Gem::Resolver::InstalledSpecification.new(self, gemspec) end unless @ignore_installed if consider_local? then matching_local = @local.values.select do |spec, _| req.match? spec end.map do |spec, source| Gem::Resolver::LocalSpecification.new self, spec, source end res.concat matching_local local_source = Gem::Source::Local.new if local_spec = local_source.find_gem(name, dep.requirement) then res << Gem::Resolver::IndexSpecification.new( self, local_spec.name, local_spec.version, local_source, local_spec.platform) end end res.delete_if do |spec| spec.version.prerelease? and not dep.prerelease? end res.concat @remote_set.find_all req if consider_remote? res end |
#inspect ⇒ Object
:nodoc:
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# File 'lib/rubygems/resolver/installer_set.rb', line 166 def inspect # :nodoc: always_install = @always_install.map { |s| s.full_name } '#<%s domain: %s specs: %p always install: %p>' % [ self.class, @domain, @specs.keys, always_install, ] end |
#load_spec(name, ver, platform, source) ⇒ Object
Called from IndexSpecification to get a true Specification object.
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# File 'lib/rubygems/resolver/installer_set.rb', line 178 def load_spec name, ver, platform, source # :nodoc: key = "#{name}-#{ver}-#{platform}" @specs.fetch key do tuple = Gem::NameTuple.new name, ver, platform @specs[key] = source.fetch_spec tuple end end |
#local?(dep_name) ⇒ Boolean
Has a local gem for dep_name
been added to this set?
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# File 'lib/rubygems/resolver/installer_set.rb', line 191 def local? dep_name # :nodoc: spec, = @local[dep_name] spec end |
#prefetch(reqs) ⇒ Object
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# File 'lib/rubygems/resolver/installer_set.rb', line 156 def prefetch(reqs) @remote_set.prefetch(reqs) if consider_remote? end |
#prerelease=(allow_prerelease) ⇒ Object
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# File 'lib/rubygems/resolver/installer_set.rb', line 160 def prerelease= allow_prerelease super @remote_set.prerelease = allow_prerelease end |
#pretty_print(q) ⇒ Object
:nodoc:
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# File 'lib/rubygems/resolver/installer_set.rb', line 197 def pretty_print q # :nodoc: q.group 2, '[InstallerSet', ']' do q.breakable q.text "domain: #{@domain}" q.breakable q.text 'specs: ' q.pp @specs.keys q.breakable q.text 'always install: ' q.pp @always_install end end |
#remote=(remote) ⇒ Object
:nodoc:
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# File 'lib/rubygems/resolver/installer_set.rb', line 212 def remote= remote # :nodoc: case @domain when :local then @domain = :both if remote when :remote then @domain = nil unless remote when :both then @domain = :local unless remote end end |