From 08644d0f70923dc72dd7ebff99301eef40dad586 Mon Sep 17 00:00:00 2001
From: Schneems <richard.schneeman+foo@gmail.com>
Date: Mon, 27 Jan 2025 17:01:04 -0600
Subject: [PATCH] s/exists?/exist?/

Fixes:

```
       -----> Building on the Heroku-24 stack
       -----> Fetching https://github.com/heroku/heroku-buildpack-ruby#schneems/default-ruby-336 buildpack...
              buildpack downloaded
       -----> Ruby app detected

        !
        !     undefined method `exists?' for class Dir
        !
       /tmp/buildpacks/55030ecaa578151bf5924184e8750b99212faef5/lib/language_pack/helpers/bundler_wrapper.rb:242:in `fetch_bundler': undefined method `exists?' for class Dir (NoMethodError)
           return true if Dir.exists?(bundler_path)
                             ^^^^^^^^
       Did you mean?  exist?
```
---
 lib/language_pack/base.rb                    | 2 +-
 lib/language_pack/helpers/bundler_wrapper.rb | 2 +-
 lib/language_pack/metadata.rb                | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/language_pack/base.rb b/lib/language_pack/base.rb
index c57ae0324..c0fdea319 100644
--- a/lib/language_pack/base.rb
+++ b/lib/language_pack/base.rb
@@ -112,7 +112,7 @@ def build_release
 
   def write_release_yaml
     release = build_release
-    FileUtils.mkdir("tmp") unless File.exists?("tmp")
+    FileUtils.mkdir("tmp") unless File.exist?("tmp")
     File.open("tmp/heroku-buildpack-release-step.yml", 'w') do |f|
       f.write(release.to_yaml)
     end
diff --git a/lib/language_pack/helpers/bundler_wrapper.rb b/lib/language_pack/helpers/bundler_wrapper.rb
index 64d030cfe..78c3a119c 100644
--- a/lib/language_pack/helpers/bundler_wrapper.rb
+++ b/lib/language_pack/helpers/bundler_wrapper.rb
@@ -239,7 +239,7 @@ def bundler_version_escape_valve!
 
   private
   def fetch_bundler
-    return true if Dir.exists?(bundler_path)
+    return true if Dir.exist?(bundler_path)
 
     topic("Installing bundler #{@version}")
     bundler_version_escape_valve!
diff --git a/lib/language_pack/metadata.rb b/lib/language_pack/metadata.rb
index 44ea8e4a5..85388b05d 100644
--- a/lib/language_pack/metadata.rb
+++ b/lib/language_pack/metadata.rb
@@ -26,7 +26,7 @@ def read(key)
 
   def exists?(key)
     full_key = "#{FOLDER}/#{key}"
-    File.exist?(full_key) && !Dir.exists?(full_key)
+    File.exist?(full_key) && !Dir.exist?(full_key)
   end
   alias_method :include?, :exists?