deps: Move CaskDependencies to its own file

Library/Homebrew/cask_dependent.rb

@@ -0,0 +1,57 @@
+# An adapter for casks to provide dependency information in a formula-like interface
+class CaskDependent
+  def initialize(cask)
+    @cask = cask
+  end
+
+  def name
+    @cask.token
+  end
+
+  def full_name
+    @cask.full_name
+  end
+
+  def runtime_dependencies
+    recursive_dependencies
+  end
+
+  def deps
+    @deps ||= begin
+      @cask.depends_on.formula.map do |f|
+        Dependency.new f
+      end
+    end
+  end
+
+  def requirements
+    @requirements ||= begin
+      requirements = []
+      dsl_reqs = @cask.depends_on
+
+      dsl_reqs.arch&.each do |arch|
+        requirements << ArchRequirement.new([:x86_64]) if arch[:bits] == 64
+        requirements << ArchRequirement.new([arch[:type]])
+      end
+      dsl_reqs.cask.each do |cask_ref|
+        requirements << Requirement.new([{ cask: cask_ref }])
+      end
+      requirements << dsl_reqs.macos if dsl_reqs.macos
+      requirements << X11Requirement.new if dsl_reqs.x11
+
+      requirements
+    end
+  end
+
+  def recursive_dependencies(&block)
+    Dependency.expand(self, &block)
+  end
+
+  def recursive_requirements(&block)
+    Requirement.expand(self, &block)
+  end
+
+  def any_version_installed?
+    @cask.installed?
+  end
+end

Library/Homebrew/cmd/deps.rb

@@ -115,7 +115,7 @@ module Homebrew
       if formula_or_cask.is_a?(Formula)
         formula_or_cask
       else
-        Dependent.new(formula_or_cask)
+        CaskDependent.new(formula_or_cask)
       end
     end
   end
@@ -229,61 +229,4 @@ module Homebrew
 
     @dep_stack.pop
   end
-
-  class Dependent
-    def initialize(cask)
-      @cask = cask
-    end
-
-    def name
-      @cask.token
-    end
-
-    def full_name
-      @cask.full_name
-    end
-
-    def runtime_dependencies
-      recursive_dependencies
-    end
-
-    def deps
-      @deps ||= begin
-        @cask.depends_on.formula.map do |f|
-          Dependency.new f
-        end
-      end
-    end
-
-    def requirements
-      @requirements ||= begin
-        requirements = []
-        dsl_reqs = @cask.depends_on
-
-        dsl_reqs.arch&.each do |arch|
-          requirements << ArchRequirement.new([:x86_64]) if arch[:bits] == 64
-          requirements << ArchRequirement.new([arch[:type]])
-        end
-        dsl_reqs.cask.each do |cask_ref|
-          requirements << Requirement.new([{ cask: cask_ref }])
-        end
-        requirements << dsl_reqs.macos if dsl_reqs.macos
-        requirements << X11Requirement.new if dsl_reqs.x11
-
-        requirements
-      end
-    end
-
-    def recursive_dependencies(&block)
-      Dependency.expand(self, &block)
-    end
-
-    def recursive_requirements(&block)
-      Requirement.expand(self, &block)
-    end
-
-    def any_version_installed?
-      @cask.installed?
-    end
-  end
 end