cmd/cleanup.rb: fix input handling

2020-08-12 08:22:45 -05:00 · 2020-08-12 08:22:45 -05:00 · ac6295491c
commit ac6295491c
parent 3eba477b7c
1 changed files with 4 additions and 0 deletions
--- a/Library/Homebrew/cmd/cleanup.rb
+++ b/Library/Homebrew/cmd/cleanup.rb
@ -33,6 +33,10 @@ module Homebrew
  def cleanup
    args = cleanup_args.parse

+    if args.prune.present? && !Integer(args.prune, exception: false) && args.prune != "all"
+      raise UsageError, "--prune= expects an integer or 'all'."
+    end
+
    cleanup = Cleanup.new(*args.named, dry_run: args.dry_run?, scrub: args.s?, days: args.prune&.to_i)
    if args.prune_prefix?
      cleanup.prune_prefix_symlinks_and_directories