brew unbottled: allow to skip deprecated and change format

- Display if a formula is deprecated (helps focusing on the more important ones first when bottling)
- Allows to skip deprecated formuale for a more curated list

Library/Homebrew/dev-cmd/unbottled.rb

@@ -24,6 +24,8 @@ def unbottled_args
       switch "--eval-all",
              description: "Evaluate all available formulae and casks, whether installed or not, to check them. " \
                           "Implied if `HOMEBREW_EVAL_ALL` is set."
+      switch "--skip-deprecated",
+             description: "Don't check deprecated formulae"
 
       conflicts "--dependents", "--total"
 
@@ -137,6 +139,12 @@ def formulae_all_installs_from_args(args, all)
       all_formulae = Formula.all(eval_all: args.eval_all?)
     end
 
+    if args.skip_deprecated?
+     formulae = formulae&.select {|formula| !(formula.deprecated?)}
+     all_formulae = all_formulae&.select {|formula| !(formula.deprecated?)}
+     formula_installs = formula_installs&.select {|formula| !(formula.deprecated?)}
+    end
+
     [formulae, all_formulae, formula_installs]
   end
 
@@ -180,6 +188,7 @@ def output_unbottled(formulae, deps_hash, noun, hash, any_named_args)
 
     formulae.each do |f|
       name = f.name.downcase
+      deprecated = "(deprecated)" if f.deprecated?
 
       if f.disabled?
         puts "#{Tty.bold}#{Tty.green}#{name}#{Tty.reset}: formula disabled" if any_named_args
@@ -189,11 +198,11 @@ def output_unbottled(formulae, deps_hash, noun, hash, any_named_args)
       requirements = f.recursive_requirements
       if @bottle_tag.linux?
         if requirements.any? { |r| r.is_a?(MacOSRequirement) && !r.version }
-          puts "#{Tty.bold}#{Tty.red}#{name}#{Tty.reset}: requires macOS" if any_named_args
+          puts "#{Tty.bold}#{Tty.red}#{name}#{Tty.reset} #{deprecated}: requires macOS" if any_named_args
           next
         end
       elsif requirements.any?(LinuxRequirement)
-        puts "#{Tty.bold}#{Tty.red}#{name}#{Tty.reset}: requires Linux" if any_named_args
+        puts "#{Tty.bold}#{Tty.red}#{name}#{Tty.reset} #{deprecated}: requires Linux" if any_named_args
         next
       else
         macos_version = @bottle_tag.to_macos_version
@@ -214,13 +223,13 @@ def output_unbottled(formulae, deps_hash, noun, hash, any_named_args)
           end
         end
         unless macos_satisfied
-          puts "#{Tty.bold}#{Tty.red}#{name}#{Tty.reset}: doesn't support this macOS" if any_named_args
+          puts "#{Tty.bold}#{Tty.red}#{name}#{Tty.reset} #{deprecated}: doesn't support this macOS" if any_named_args
           next
         end
       end
 
       if f.bottle_specification.tag?(@bottle_tag, no_older_versions: true)
-        puts "#{Tty.bold}#{Tty.green}#{name}#{Tty.reset}: already bottled" if any_named_args
+        puts "#{Tty.bold}#{Tty.green}#{name}#{Tty.reset} #{deprecated}: already bottled" if any_named_args
         next
       end
 
@@ -230,13 +239,13 @@ def output_unbottled(formulae, deps_hash, noun, hash, any_named_args)
 
       if deps.blank?
         count = " (#{hash[f.name]} #{noun})" if noun
-        puts "#{Tty.bold}#{Tty.green}#{name}#{Tty.reset}#{count}: ready to bottle"
+        puts "#{Tty.bold}#{Tty.green}#{name}#{Tty.reset}#{count} #{deprecated}: ready to bottle"
         next
       end
 
       any_found ||= true
       count = " (#{hash[f.name]} #{noun})" if noun
-      puts "#{Tty.bold}#{Tty.yellow}#{name}#{Tty.reset}#{count}: unbottled deps: #{deps.join(" ")}"
+      puts "#{Tty.bold}#{Tty.yellow}#{name}#{Tty.reset}#{count} #{deprecated}: unbottled deps: #{deps.join(" ")}"
     end
     return if any_found
     return if any_named_args