unlink: unlink only keg-only versioned formulae.

As otherwise we unlink those that don't conflict e.g. `gcc@8` and `gcc@9`.
2020-11-16 13:21:23 +00:00 · 2020-11-16 13:21:23 +00:00 · 2b9edf72bc
commit 2b9edf72bc
parent 40cc423fa1
1 changed files with 1 additions and 0 deletions
--- a/Library/Homebrew/unlink.rb
+++ b/Library/Homebrew/unlink.rb
@ -8,6 +8,7 @@ module Homebrew

    def unlink_versioned_formulae(formula, verbose: false)
      formula.versioned_formulae
+             .select(&:keg_only?)
             .select(&:linked?)
             .map(&:any_installed_keg)
             .compact