Prevent warning and errors from breaking the sync

cmd/brewer-tap-content-info.rb

@@ -2,13 +2,14 @@
 
 require "formula"
 require "json"
+require "readall"
 
 module Homebrew
   module Cmd
     class BrewerTapContentInfo < AbstractCommand
       cmd_args do
         description <<~EOS
-          Do something. Place a description here.
+          Display the information about third-party casks and formulas.
         EOS
         flag "--json",
              description: "Print a JSON representation. Currently the default value for <version> is `v1` for " \
@@ -19,16 +20,19 @@ module Homebrew
         switch "--cask", "--casks",
                description: "Treat all named arguments as casks."
         conflicts "--formula", "--cask"
-        
-        named_args [:tap]
       end
       
       def run
+        begin
+          original_stderr = $stderr.clone
+          $stderr.reopen(File.new("/dev/null", "w"))
+          
           formulae = []
           casks = []
           
           Tap.each do |tap|
             next if ["homebrew/core", "homebrew/cask"].include?(tap.name)
+            next unless valid_tap? tap
             
             unless args.cask?
               tap.formula_files.each do |formula_file|
@@ -49,6 +53,19 @@ module Homebrew
           }
           
           puts JSON.pretty_generate(json)
+        ensure
+          $stderr.reopen(original_stderr)
+        end
+      end
+      
+      private
+      
+      def valid_tap?(tap)
+        begin
+          Readall.valid_tap?(tap, aliases: true)
+        rescue Interrupt, RuntimeError
+          false
+        end
       end
     end
   end