prune: preserve some directories

Some directories, while empty, are created in brew upgrade and should be kept.
2018-09-21 12:23:09 -04:00 · 2018-09-21 12:23:09 -04:00 · 876021a926
commit 876021a926
parent 8125aba04e
1 changed files with 2 additions and 1 deletions
--- a/Library/Homebrew/cmd/prune.rb
+++ b/Library/Homebrew/cmd/prune.rb
@ -32,7 +32,8 @@ module Homebrew
              path.unlink
            end
          end
-        elsif path.directory? && !Keg::PRUNEABLE_DIRECTORIES.include?(path)
+        elsif path.directory? && !Keg::PRUNEABLE_DIRECTORIES.include?(path) &&
+              !Keg::MUST_BE_WRITABLE_DIRECTORIES.include?(path)
          dirs << path
        end
      end