Merge pull request #2729 from reitermarkus/cask-require-sha

Fix parsing `--require-sha` and `HOMEBREW_CASK_OPTS`.

Library/Homebrew/cask/lib/hbc/cli.rb

@@ -92,10 +92,10 @@ module Hbc
       command.is_a?(Class) && !command.abstract? && command.needs_init?
     end
 
-    def self.run_command(command, *rest)
+    def self.run_command(command, *args)
       if command.respond_to?(:run)
         # usual case: built-in command verb
-        command.run(*rest)
+        command.run(*args)
       elsif require?(which("brewcask-#{command}.rb"))
         # external command as Ruby library on PATH, Homebrew-style
       elsif command.to_s.include?("/") && require?(command.to_s)
@@ -111,7 +111,7 @@ module Hbc
         if klass.respond_to?(:run)
           # invoke "run" on a Ruby library which follows our coding conventions
           # other Ruby libraries must do everything via "require"
-          klass.run(*rest)
+          klass.run(*args)
         end
       elsif which("brewcask-#{command}")
         # arbitrary external executable on PATH, Homebrew-style
@@ -124,7 +124,7 @@ module Hbc
         exec command, *ARGV[1..-1]
       else
         # failure
-        NullCommand.new(command).run
+        NullCommand.new(command, *args).run
       end
     end
 
@@ -136,9 +136,30 @@ module Hbc
       @args = process_options(*args)
     end
 
+    def detect_command_and_arguments(*args)
+      command = args.detect do |arg|
+        if self.class.commands.include?(arg)
+          true
+        else
+          break unless arg.start_with?("-")
+        end
+      end
+
+      if index = args.index(command)
+        args.delete_at(index)
+      end
+
+      [*command, *args]
+    end
+
     def run
-      command_name, *args = *@args
+      command_name, *args = detect_command_and_arguments(*@args)
-      command = help? ? "help" : self.class.lookup_command(command_name)
+      command = if help?
+        args.unshift(command_name)
+        "help"
+      else
+        self.class.lookup_command(command_name)
+      end
 
       MacOS.full_version = ENV["MACOS_VERSION"] unless ENV["MACOS_VERSION"].nil?
 
@@ -147,7 +168,7 @@ module Hbc
       self.class.run_command(command, *args)
     rescue CaskError, CaskSha256MismatchError, ArgumentError, OptionParser::InvalidOption => e
       msg = e.message
-      msg << e.backtrace.join("\n") if ARGV.debug?
+      msg << e.backtrace.join("\n").prepend("\n") if ARGV.debug?
       onoe msg
       exit 1
     rescue StandardError, ScriptError, NoMemoryError => e
@@ -199,18 +220,19 @@ module Hbc
     end
 
     class NullCommand
-      def initialize(attempted_verb)
+      def initialize(command, *args)
-        @attempted_verb = attempted_verb
+        @command = command
+        @args = args
       end
 
       def run(*_args)
         purpose
         usage
 
-        return if @attempted_verb.to_s.strip.empty?
+        return if @command == "help" && @args.empty?
-        return if @attempted_verb == "help"
 
-        raise ArgumentError, "Unknown command: #{@attempted_verb}"
+        unknown_command = @args.empty? ? @command : @args.first
+        raise ArgumentError, "Unknown command: #{unknown_command}"
       end
 
       def purpose

Library/Homebrew/cask/lib/hbc/cli/abstract_command.rb

@@ -9,6 +9,7 @@ module Hbc
       option "--debug",         :debug,         false
       option "--verbose",       :verbose,       false
       option "--outdated",      :outdated_only, false
+      option "--require-sha",   :require_sha, false
 
       def self.command_name
         @command_name ||= name.sub(/^.*:/, "").gsub(/(.)([A-Z])/, '\1_\2').downcase

Library/Homebrew/cask/lib/hbc/cli/install.rb

@@ -3,7 +3,6 @@ module Hbc
     class Install < AbstractCommand
       option "--force",          :force,          false
       option "--skip-cask-deps", :skip_cask_deps, false
-      option "--require-sha",    :require_sha,    false
 
       def initialize(*)
         super

Library/Homebrew/cask/lib/hbc/cli/search.rb

@@ -1,10 +1,6 @@
 module Hbc
   class CLI
     class Search < AbstractCommand
-      def initialize(*args)
-        @args = args
-      end
-
       def run
         results = self.class.search(*args)
         self.class.render_results(*results)

Library/Homebrew/cask/lib/hbc/scopes.rb

@@ -27,6 +27,7 @@ module Hbc
         # TODO: speed up Hbc::Source::Tapped (main perf drag is calling Hbc.all_tokens repeatedly)
         # TODO: ability to specify expected source when calling CaskLoader.load (minor perf benefit)
         Pathname.glob(caskroom.join("*"))
+                .sort
                 .map do |caskroom_path|
                   token = caskroom_path.basename.to_s
 

Library/Homebrew/test/cask/cli_spec.rb

@@ -42,7 +42,7 @@ describe Hbc::CLI, :cask do
 
     it "prints help output when subcommand receives `--help` flag" do
       command = Hbc::CLI.new("noop", "--help")
-      expect(described_class).to receive(:run_command).with("help")
+      expect(described_class).to receive(:run_command).with("help", "noop")
       command.run
       expect(command.help?).to eq(true)
     end