Integrate --cache and home with cask

Library/Homebrew/cask/cmd/--cache.rb

@@ -16,10 +16,14 @@ def initialize(*)
 
       def run
         casks.each do |cask|
-          puts Download.new(cask).downloader.cached_location
+          puts self.class.cached_location(cask)
         end
       end
 
+      def self.cached_location(cask)
+        Download.new(cask).downloader.cached_location
+      end
+
       def self.help
         "display the file used to cache the Cask"
       end

Library/Homebrew/cmd/--cache.rb

@@ -2,6 +2,8 @@
 
 require "fetch"
 require "cli/parser"
+require "cask/cmd"
+require "cask/cask_loader"
 
 module Homebrew
   module_function
@@ -19,7 +21,12 @@ def __cache_args
              description: "Show the cache file used when building from source."
       switch "--force-bottle",
              description: "Show the cache file used when pouring a bottle."
+      switch "--formula",
+             description: "Show cache files for only formulae"
+      switch "--cask",
+             description: "Show cache files for only casks"
       conflicts "--build-from-source", "--force-bottle"
+      conflicts "--formula", "--cask"
     end
   end
 
@@ -28,14 +35,38 @@ def __cache
 
     if args.no_named?
       puts HOMEBREW_CACHE
+    elsif args.formula?
+      args.named.each do |name|
+        print_formula_cache name
+      end
+    elsif args.cask?
+      args.named.each do |name|
+        print_cask_cache name
+      end
     else
-      args.formulae.each do |f|
-        if Fetch.fetch_bottle?(f)
-          puts f.bottle.cached_download
-        else
-          puts f.cached_download
+      args.named.each do |name|
+        print_formula_cache name
+      rescue FormulaUnavailableError
+        begin
+          print_cask_cache name
+        rescue Cask::CaskUnavailableError
+          odie "No available formula or cask with the name \"#{name}\""
         end
       end
     end
   end
+
+  def print_formula_cache(name)
+    formula = Formulary.factory name
+    if Fetch.fetch_bottle?(formula)
+      puts formula.bottle.cached_download
+    else
+      puts formula.cached_download
+    end
+  end
+
+  def print_cask_cache(name)
+    cask = Cask::CaskLoader.load name
+    puts Cask::Cmd::Cache.cached_location(cask)
+  end
 end

Library/Homebrew/cmd/home.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 require "cli/parser"
+require "cask/cask_loader"
+require "cask/exceptions"
 
 module Homebrew
   module_function
@@ -23,7 +25,20 @@ def home
     if args.no_named?
       exec_browser HOMEBREW_WWW
     else
-      exec_browser(*args.formulae.map(&:homepage))
+      homepages = args.named.map do |name|
+        f = Formulary.factory(name)
+        puts "Opening homepage for formula #{name}"
+        f.homepage
+      rescue FormulaUnavailableError
+        begin
+          c = Cask::CaskLoader.load(name)
+          puts "Opening homepage for cask #{name}"
+          c.homepage
+        rescue Cask::CaskUnavailableError
+          odie "No available formula or cask with the name \"#{name}\""
+        end
+      end
+      exec_browser(*homepages)
     end
   end
 end

Library/Homebrew/test/cmd/--cache_spec.rb

@@ -13,4 +13,23 @@
       .and not_to_output.to_stderr
       .and be_a_success
   end
+
+  it "prints the cache files for a given Cask" do
+    expect { brew "--cache", cask_path("local-caffeine") }
+      .to output(%r{#{HOMEBREW_CACHE}/downloads/[\da-f]{64}--caffeine\.zip}).to_stdout
+      .and not_to_output.to_stderr
+      .and be_a_success
+  end
+
+  it "prints the cache files for a given Formula and Cask" do
+    expect { brew "--cache", testball, cask_path("local-caffeine") }
+      .to output(
+        %r{
+          #{HOMEBREW_CACHE}/downloads/[\da-f]{64}--testball-.*\n
+          #{HOMEBREW_CACHE}/downloads/[\da-f]{64}--caffeine\.zip
+        }x,
+      ).to_stdout
+      .and not_to_output.to_stderr
+      .and be_a_success
+  end
 end

Library/Homebrew/test/cmd/home_spec.rb

@@ -1,17 +1,46 @@
 # frozen_string_literal: true
 
 require "cmd/shared_examples/args_parse"
+require "support/lib/config"
 
 describe "Homebrew.home_args" do
   it_behaves_like "parseable arguments"
 end
 
 describe "brew home", :integration_test do
+  let(:testballhome_homepage) {
+    Formula["testballhome"].homepage
+  }
+
+  let(:local_caffeine_path) {
+    cask_path("local-caffeine")
+  }
+
+  let(:local_caffeine_homepage) {
+    Cask::CaskLoader.load(local_caffeine_path).homepage
+  }
+
   it "opens the homepage for a given Formula" do
     setup_test_formula "testballhome"
 
     expect { brew "home", "testballhome", "HOMEBREW_BROWSER" => "echo" }
-      .to output("#{Formula["testballhome"].homepage}\n").to_stdout
+      .to output(/#{testballhome_homepage}/).to_stdout
+      .and not_to_output.to_stderr
+      .and be_a_success
+  end
+
+  it "opens the homepage for a given Cask" do
+    expect { brew "home", cask_path("local-caffeine"), "HOMEBREW_BROWSER" => "echo" }
+      .to output(/#{local_caffeine_homepage}/).to_stdout
+      .and not_to_output.to_stderr
+      .and be_a_success
+  end
+
+  it "opens the homepages for a given formula and Cask" do
+    setup_test_formula "testballhome"
+
+    expect { brew "home", "testballhome", cask_path("local-caffeine"), "HOMEBREW_BROWSER" => "echo" }
+      .to output(/#{testballhome_homepage} #{local_caffeine_homepage}/).to_stdout
       .and not_to_output.to_stderr
       .and be_a_success
   end

docs/Manpage.md

@@ -587,6 +587,10 @@ If *`formula`* is provided, display the file or directory used to cache *`formul
   Show the cache file used when building from source.
 * `--force-bottle`:
   Show the cache file used when pouring a bottle.
+* `--formula`:
+  Show cache files for only formulae
+* `--cask`:
+  Show cache files for only casks
 
 ### `--cellar` [*`formula`*]
 

manpages/brew.1

@@ -763,6 +763,14 @@ Show the cache file used when building from source\.
 \fB\-\-force\-bottle\fR
 Show the cache file used when pouring a bottle\.
 .
+.TP
+\fB\-\-formula\fR
+Show cache files for only formulae
+.
+.TP
+\fB\-\-cask\fR
+Show cache files for only casks
+.
 .SS "\fB\-\-cellar\fR [\fIformula\fR]"
 Display Homebrew\'s Cellar path\. \fIDefault:\fR \fB$(brew \-\-prefix)/Cellar\fR, or if that directory doesn\'t exist, \fB$(brew \-\-repository)/Cellar\fR\.
 .