upgrade: deduplicate list of outdated dependents

Use `uniq` on the list of outdated dependents to remove duplicates, similar to a change made in #8500.
2020-09-18 00:58:53 -07:00 · 2020-09-18 00:58:53 -07:00 · c04631320c
commit c04631320c
parent fd4ed35124
1 changed files with 1 additions and 0 deletions
--- a/Library/Homebrew/upgrade.rb
+++ b/Library/Homebrew/upgrade.rb
@ -142,6 +142,7 @@ module Homebrew

      outdated_dependents =
        installed_formulae.flat_map(&:runtime_installed_formula_dependents)
+                          .uniq
                          .select(&:outdated?)
      return if outdated_dependents.blank? && already_broken_dependents.blank?