Install etc/var files on postinstall.

Also, don't delete them after that. This means that `brew postinstall`
becomes a way to easily reinstall configuration files for any formula
without needing any changes to any bottles or requiring a reinstall.

1 files changed, 5 insertions, 5 deletions

diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 4ff5d3175..17a34dd13 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -1005,11 +1005,6 @@ class Formula
   def post_install; end
 
   # @private
-  def post_install_defined?
-    method(:post_install).owner == self.class
-  end
-
-  # @private
   def run_post_install
     @prefix_returns_versioned_prefix = true
     build = self.build
@@ -1025,6 +1020,11 @@ class Formula
 
     ENV.clear_sensitive_environment!
 
+    Pathname.glob("#{bottle_prefix}/{etc,var}/**/*") do |path|
+      path.extend(InstallRenamed)
+      path.cp_path_sub(bottle_prefix, HOMEBREW_PREFIX)
+    end
+
     with_logging("post_install") do
       post_install
     end