Sync with upstream v272

.github/workflows/ci.yml

@@ -19,4 +19,4 @@ jobs:
       - name: Run ShellCheck bin top level
         run: |
             shellcheck bin/support/bash_functions.sh bin/support/download_ruby -x &&
-            shellcheck bin/build bin/compile bin/detect bin/release bin/test bin/test-compile -x
+            shellcheck bin/compile bin/detect bin/release bin/test bin/test-compile -x

CHANGELOG.md

@@ -3,14 +3,17 @@
 ## [Unreleased]
 
 
+## [v272] - 2024-06-13
+
+- Remove experimental CNB support. For official CNB support use [heroku/buildpacks-ruby](https://github.com/heroku/buildpacks-ruby) instead. (https://github.com/heroku/heroku-buildpack-ruby/pull/1464)
+- Default Ruby version is now 3.1.6 (https://github.com/heroku/heroku-buildpack-ruby/pull/1466)
+- Ruby 3.3.3 is now available
+
 ## [v271] - 2024-06-03
 
 - Ruby 3.4.0-preview1 is now available
 - Ruby 3.1.6 and 3.3.2 are now available
 - JRuby 9.4.7.0, 9.4.6.0, and 9.3.14.0 are now available
-
-## [v271] - 2024-05-24
-
 - Fix issue with sprockets reference being nil when
   propshaft gem is used instead (https://github.com/heroku/heroku-buildpack-ruby/pull/1452)
 
@@ -1535,7 +1538,8 @@ Bugfixes:
 * Change gem detection to use lockfile parser
 * use `$RACK_ENV` when thin is detected for rack apps
 
-[unreleased]: https://github.com/heroku/heroku-buildpack-ruby/compare/v271...main
+[unreleased]: https://github.com/heroku/heroku-buildpack-ruby/compare/v272...main
+[v272]: https://github.com/heroku/heroku-buildpack-ruby/compare/v271...v272
 [v271]: https://github.com/heroku/heroku-buildpack-ruby/compare/v270...v271
 [v271]: https://github.com/heroku/heroku-buildpack-ruby/compare/v270...v271
 [v270]: https://github.com/heroku/heroku-buildpack-ruby/compare/v269...v270

Gemfile.lock

@@ -69,7 +69,7 @@ DEPENDENCIES
   toml-rb
 
 RUBY VERSION
-   ruby 3.1.4p223
+   ruby 3.1.6p260
 
 BUNDLED WITH
-   2.5.8
+   2.5.11

bin/detect

@@ -1,18 +1,10 @@
 #!/bin/sh
 
-if [ -z "$CNB_STACK_ID" ]; then
-  # v2 API
-  APP_DIR=$1
-else
-  _PLATFORM_DIR=$1
-  _PLAN=$2
-  # v3 API
-  APP_DIR=$(pwd)
-fi
+APP_DIR=$1
 
 if [ -f "$APP_DIR/Gemfile" ]; then
   echo "Ruby"
   exit 0
 else
-  exit 100
+  exit 1
 fi

buildpack.toml

@@ -1,11 +1,6 @@
-api = "0.2"
-
 [buildpack]
-id = "heroku/ruby"
-version = "0.1.4"
 name = "Ruby"
-homepage = "https://github.com/heroku/heroku-buildpack-ruby"
-ruby_version = "3.1.4"
+ruby_version = "3.1.6"
 
 [publish]
 
@@ -19,30 +14,16 @@ files = [
   "app.json",
   "hatchet.json",
   "hatchet.lock",
-  "package.toml",
 ]
 
 [[publish.Vendor]]
-url = "https://heroku-buildpack-ruby.s3.us-east-1.amazonaws.com/heroku-20/ruby-3.1.4.tgz"
+url = "https://heroku-buildpack-ruby.s3.us-east-1.amazonaws.com/heroku-20/ruby-3.1.6.tgz"
 dir = "vendor/ruby/heroku-20"
 
 [[publish.Vendor]]
-url = "https://heroku-buildpack-ruby.s3.us-east-1.amazonaws.com/heroku-22/ruby-3.1.4.tgz"
+url = "https://heroku-buildpack-ruby.s3.us-east-1.amazonaws.com/heroku-22/ruby-3.1.6.tgz"
 dir = "vendor/ruby/heroku-22"
 
 [[publish.Vendor]]
-url = "https://heroku-buildpack-ruby.s3.us-east-1.amazonaws.com/heroku-24/amd64/ruby-3.1.4.tgz"
+url = "https://heroku-buildpack-ruby.s3.us-east-1.amazonaws.com/heroku-24/amd64/ruby-3.1.6.tgz"
 dir = "vendor/ruby/amd64/heroku-24"
-
-[[stacks]]
-id = "heroku-20"
-
-[[stacks]]
-id = "heroku-22"
-
-[metadata]
-
-[metadata.release]
-
-[metadata.release.docker]
-repository = "public.ecr.aws/heroku-buildpacks/heroku-ruby-buildpack"

changelogs/v272/default_ruby.md

@@ -0,0 +1,3 @@
+## Default Ruby version for new apps is now 3.1.6
+
+The [default Ruby version for new Ruby applications is 3.1.6](https://devcenter.heroku.com/articles/ruby-support#default-ruby-version-for-new-apps). You’ll only get the default if the application does not specify a ruby version.

lib/language_pack/base.rb

@@ -5,7 +5,6 @@
 require "language_pack/shell_helpers"
 require "language_pack/cache"
 require "language_pack/helpers/bundler_cache"
-require "language_pack/helpers/layer"
 require "language_pack/metadata"
 require "language_pack/fetcher"
 
@@ -29,15 +28,14 @@ class LanguagePack::Base
   # changes directory to the build_path
   # @param [String] the path of the build dir
   # @param [String] the path of the cache dir this is nil during detect and release
-  def initialize(build_path, cache_path = nil, layer_dir=nil)
+  def initialize(build_path, cache_path = nil)
     @build_path    = build_path
     @stack         = ENV.fetch("STACK")
     @cache         = LanguagePack::Cache.new(cache_path)
     @metadata      = LanguagePack::Metadata.new(@cache)
     @bundler_cache = LanguagePack::BundlerCache.new(@cache, @stack)
     @id            = Digest::SHA1.hexdigest("#{Time.now.to_f}-#{rand(1000000)}")[0..10]
     @fetchers      = {:buildpack => LanguagePack::Fetcher.new(VENDOR_URL) }
-    @layer_dir     = layer_dir
     @arch = get_arch
 
     Dir.chdir build_path
@@ -104,24 +102,6 @@ def compile
     mcount "success"
   end
 
-  def build
-    write_release_toml
-    Kernel.puts ""
-    warnings.each do |warning|
-      Kernel.puts "\e[1m\e[33m###### WARNING:\e[0m"# Bold yellow
-      Kernel.puts ""
-      puts warning
-      Kernel.puts ""
-      Kernel.puts ""
-    end
-    if deprecations.any?
-      topic "DEPRECATIONS:"
-      puts @deprecations.join("\n")
-    end
-    Kernel.puts ""
-    mcount "success"
-  end
-
   def build_release
     release = {}
     release["addons"]                = default_addons
@@ -131,29 +111,6 @@ def build_release
     release
   end
 
-  def write_release_toml
-    release = build_release
-
-    layer = LanguagePack::Helpers::Layer.new(@layer_dir, "env", launch: true)
-    FileUtils.mkdir_p("#{layer.path}/env.launch")
-    release["config_vars"].each do |key, value|
-      File.open("#{layer.path}/env.launch/#{key.upcase}.override", 'w') do |f|
-        f.write(value)
-      end
-    end
-
-    release_toml = release["default_process_types"].map do |type, command|
-      <<PROCESSES
-[[processes]]
-type = "#{type}"
-command = "#{command}"
-PROCESSES
-    end
-    File.open("#{@layer_dir}/launch.toml", 'a') do |f|
-      f.write(release_toml.join("\n"))
-    end
-  end
-
   def write_release_yaml
     release = build_release
     FileUtils.mkdir("tmp") unless File.exists?("tmp")
@@ -164,11 +121,6 @@ def write_release_yaml
     warn_webserver
   end
 
-  # write out the release. Pick v2a or v3 release format
-  def write_release
-    @layer_dir ? write_release_toml : write_release_yaml
-  end
-
   def warn_webserver
     return if File.exist?("Procfile")
     msg =  "No Procfile detected, using the default web server (webrick)\n"
@@ -209,7 +161,7 @@ def setup_language_pack_environment
   end
 
   def add_to_profiled(string, filename: "ruby.sh", mode: "a")
-    profiled_path = @layer_dir ? "#{@layer_dir}/ruby/profile.d/" : "#{build_path}/.profile.d/"
+    profiled_path = "#{build_path}/.profile.d/"
 
     FileUtils.mkdir_p profiled_path
     File.open("#{profiled_path}/#{filename}", mode) do |file|
@@ -234,51 +186,32 @@ def add_to_export(string)
 
   # option can be :path, :default, :override
   # https://github.com/buildpacks/spec/blob/366ac1aa0be59d11010cc21aa06c16d81d8d43e7/buildpack.md#environment-variable-modification-rules
-  def export(key, val, layer: nil, option: nil)
-    if layer
-      # don't replace if the key is already set
-      return if ENV[key] && option == :default
-
-      filename =
-        if option.nil? || option == :path
-          key
-        elsif option == :default
-          "#{key}.override"
-        else
-          "#{key}.#{option}"
-        end
-
-      FileUtils.mkdir_p("#{layer.path}/env.build")
-      File.open("#{layer.path}/env.build/#{filename}", "w") do |f|
-        f.write(val)
-      end
-    else
-      string =
-        if option == :default
-          %{export #{key}="${#{key}:-#{val}}"}
-        elsif option == :path
-          %{export #{key}="#{val}:$#{key}"}
-        else
-          %{export #{key}="#{val.gsub('"','\"')}"}
-        end
-
-      export = File.join(ROOT_DIR, "export")
-      File.open(export, "a") do |file|
-        file.puts string
+  def export(key, val, option: nil)
+    string =
+      if option == :default
+        %{export #{key}="${#{key}:-#{val}}"}
+      elsif option == :path
+        %{export #{key}="#{val}:$#{key}"}
+      else
+        %{export #{key}="#{val.gsub('"','\"')}"}
       end
+
+    export = File.join(ROOT_DIR, "export")
+    File.open(export, "a") do |file|
+      file.puts string
     end
   end
 
-  def set_export_default(key, val, layer = nil)
-    export key, val, layer: layer, option: :default
+  def set_export_default(key, val)
+    export key, val, option: :default
   end
 
-  def set_export_override(key, val, layer = nil)
-    export key, val, layer: layer, option: :override
+  def set_export_override(key, val)
+    export key, val, option: :override
   end
 
-  def set_export_path(key, val, layer = nil)
-    export key, val, layer: layer, option: :path
+  def set_export_path(key, val)
+    export key, val, option: :path
   end
 
   def log_internal(*args)