Class: Gem::RequestSet
- Inherits:
-
Object
- Object
- Gem::RequestSet
- Includes:
- TSort
- Defined in:
- lib/rubygems/request_set.rb
Defined Under Namespace
Classes: GemDepedencyAPI
Instance Attribute Summary collapse
-
#dependencies ⇒ Object
readonly
Returns the value of attribute dependencies.
Instance Method Summary collapse
-
#gem(name, *reqs) ⇒ Object
Declare that a gem of name
name
withreqs
requirements is needed. -
#import(deps) ⇒ Object
Add
deps
Gem::Depedency objects to the set. -
#initialize(*deps) {|_self| ... } ⇒ RequestSet
constructor
A new instance of RequestSet.
- #install(options, &b) ⇒ Object
- #install_into(dir, force = true, &b) ⇒ Object
-
#load_gemdeps(path) ⇒ Object
Load a dependency management file.
-
#resolve(set = nil) ⇒ Object
Resolve the requested dependencies and return an Array of Specification objects to be activated.
-
#resolve_current ⇒ Object
Resolve the requested dependencies against the gems available via Gem.path and return an Array of Specification objects to be activated.
- #sorted_requests ⇒ Object
- #specs ⇒ Object
- #specs_in(dir) ⇒ Object
- #tsort_each_child(node) ⇒ Object
- #tsort_each_node(&block) ⇒ Object
Constructor Details
#initialize(*deps) {|_self| ... } ⇒ RequestSet
Returns a new instance of RequestSet.
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# File 'lib/rubygems/request_set.rb', line 13 def initialize(*deps) @dependencies = deps yield self if block_given? end |
Instance Attribute Details
#dependencies ⇒ Object (readonly)
Returns the value of attribute dependencies
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# File 'lib/rubygems/request_set.rb', line 19 def dependencies @dependencies end |
Instance Method Details
#gem(name, *reqs) ⇒ Object
Declare that a gem of name name
with reqs
requirements is needed.
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# File 'lib/rubygems/request_set.rb', line 24 def gem(name, *reqs) @dependencies << Gem::Dependency.new(name, reqs) end |
#import(deps) ⇒ Object
Add deps
Gem::Depedency objects to the set.
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# File 'lib/rubygems/request_set.rb', line 30 def import(deps) @dependencies += deps end |
#install(options, &b) ⇒ Object
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# File 'lib/rubygems/request_set.rb', line 119 def install(, &b) if dir = [:install_dir] return install_into(dir, false, &b) end cache_dir = [:cache_dir] || Gem.dir specs = [] sorted_requests.each do |req| if req.installed? b.call req, nil if b next end path = req.download cache_dir inst = Gem::Installer.new path, b.call req, inst if b specs << inst.install end specs end |
#install_into(dir, force = true, &b) ⇒ Object
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# File 'lib/rubygems/request_set.rb', line 91 def install_into(dir, force=true, &b) existing = force ? [] : specs_in(dir) dir = File. dir installed = [] sorted_requests.each do |req| if existing.find { |s| s.full_name == req.spec.full_name } b.call req, nil if b next end path = req.download(dir) inst = Gem::Installer.new path, :install_dir => dir, :only_install_dir => true b.call req, inst if b inst.install installed << req end installed end |
#load_gemdeps(path) ⇒ Object
Load a dependency management file.
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# File 'lib/rubygems/request_set.rb', line 52 def load_gemdeps(path) gf = GemDepedencyAPI.new(self, path) gf.load end |
#resolve(set = nil) ⇒ Object
Resolve the requested dependencies and return an Array of Specification objects to be activated.
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# File 'lib/rubygems/request_set.rb', line 37 def resolve(set=nil) r = Gem::DependencyResolver.new(@dependencies, set) @requests = r.resolve end |
#resolve_current ⇒ Object
Resolve the requested dependencies against the gems available via Gem.path and return an Array of Specification objects to be activated.
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# File 'lib/rubygems/request_set.rb', line 46 def resolve_current resolve DependencyResolver::CurrentSet.new end |
#sorted_requests ⇒ Object
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# File 'lib/rubygems/request_set.rb', line 81 def sorted_requests @sorted ||= strongly_connected_components.flatten end |
#specs ⇒ Object
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# File 'lib/rubygems/request_set.rb', line 57 def specs @specs ||= @requests.map { |r| r.full_spec } end |
#specs_in(dir) ⇒ Object
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# File 'lib/rubygems/request_set.rb', line 85 def specs_in(dir) Dir["#{dir}/specifications/*.gemspec"].map do |g| Gem::Specification.load g end end |
#tsort_each_child(node) ⇒ Object
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# File 'lib/rubygems/request_set.rb', line 65 def tsort_each_child(node) node.spec.dependencies.each do |dep| next if dep.type == :development match = @requests.find { |r| dep.match? r.spec.name, r.spec.version } if match begin yield match rescue TSort::Cyclic end else raise Gem::DependencyError, "Unresolved depedency found during sorting - #{dep}" end end end |
#tsort_each_node(&block) ⇒ Object
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# File 'lib/rubygems/request_set.rb', line 61 def tsort_each_node(&block) @requests.each(&block) end |