Infer dependencies from download strategies and URLs

Closes #20849.
Closes #22871.

1 files changed, 7 insertions, 1 deletions

diff --git a/Library/Homebrew/software_spec.rb b/Library/Homebrew/software_spec.rb
index ee24bec72..80f92a7c9 100644
--- a/Library/Homebrew/software_spec.rb
+++ b/Library/Homebrew/software_spec.rb
@@ -15,7 +15,7 @@ class SoftwareSpec
   def_delegators :@resource, :stage, :fetch
   def_delegators :@resource, :download_strategy, :verify_download_integrity
   def_delegators :@resource, :checksum, :mirrors, :specs, :using, :downloader
-  def_delegators :@resource, :url, :version, :mirror, *Checksum::TYPES
+  def_delegators :@resource, :version, :mirror, *Checksum::TYPES
 
   def initialize
     @resource = Resource.new
@@ -30,6 +30,12 @@ class SoftwareSpec
     resources.each_value { |r| r.owner = self }
   end
 
+  def url val=nil, specs={}
+    return @resource.url if val.nil?
+    @resource.url(val, specs)
+    dependency_collector.add(@resource)
+  end
+
   def resource? name
     resources.has_key?(name)
   end