Updating version for bundler for 2.X.X

fixtures/default/rails7/Gemfile.lock

@@ -86,7 +86,14 @@ GEM
     drb (2.2.3)
     erb (6.0.1)
     erubi (1.13.1)
+    ffi (1.17.3-aarch64-linux-gnu)
+    ffi (1.17.3-aarch64-linux-musl)
+    ffi (1.17.3-arm-linux-gnu)
+    ffi (1.17.3-arm-linux-musl)
+    ffi (1.17.3-arm64-darwin)
+    ffi (1.17.3-x86_64-darwin)
     ffi (1.17.3-x86_64-linux-gnu)
+    ffi (1.17.3-x86_64-linux-musl)
     globalid (1.3.0)
       activesupport (>= 6.1)
     i18n (1.14.8)
@@ -120,12 +127,26 @@ GEM
     net-smtp (0.5.1)
       net-protocol
     nio4r (2.7.5)
+    nokogiri (1.19.0-aarch64-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.19.0-aarch64-linux-musl)
+      racc (~> 1.4)
+    nokogiri (1.19.0-arm-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.19.0-arm-linux-musl)
+      racc (~> 1.4)
+    nokogiri (1.19.0-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.19.0-x86_64-darwin)
+      racc (~> 1.4)
     nokogiri (1.19.0-x86_64-linux-gnu)
       racc (~> 1.4)
+    nokogiri (1.19.0-x86_64-linux-musl)
+      racc (~> 1.4)
     pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)
-    prism (1.8.0)
+    prism (1.9.0)
     psych (5.3.1)
       date
       stringio
@@ -220,7 +241,14 @@ GEM
     zeitwerk (2.7.4)
 
 PLATFORMS
-  x86_64-linux
+  aarch64-linux-gnu
+  aarch64-linux-musl
+  arm-linux-gnu
+  arm-linux-musl
+  arm64-darwin
+  x86_64-darwin
+  x86_64-linux-gnu
+  x86_64-linux-musl
 
 DEPENDENCIES
   puma (~> 6.0)
@@ -232,4 +260,4 @@ RUBY VERSION
    ruby 3.2.9p265
 
 BUNDLED WITH
-   2.4.19
+   2.7.2

fixtures/default/relative_gemspec_path/Gemfile.lock

@@ -6,25 +6,34 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    mustermann (3.0.0)
+    base64 (0.3.0)
+    logger (1.7.0)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.8)
-    rack-protection (3.0.6)
-      rack
-    rackup (1.0.1)
-      rack (< 3)
-      webrick
+    rack (3.2.4)
+    rack-protection (4.2.1)
+      base64 (>= 0.1.0)
+      logger (>= 1.6.0)
+      rack (>= 3.0.0, < 4)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
+    rackup (2.3.1)
+      rack (>= 3)
     ruby2_keywords (0.0.5)
-    sinatra (3.0.6)
+    sinatra (4.2.1)
+      logger (>= 1.6.0)
       mustermann (~> 3.0)
-      rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.0.6)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.2.1)
+      rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    tilt (2.2.0)
-    webrick (1.8.1)
+    tilt (2.7.0)
+    webrick (1.9.2)
 
 PLATFORMS
   ruby
+  x86_64-linux
 
 DEPENDENCIES
   hola!
@@ -33,7 +42,7 @@ DEPENDENCIES
   webrick
 
 RUBY VERSION
-   ruby 3.2.0p0
+   ruby 3.2.9p265
 
 BUNDLED WITH
-   2.4.1
+   2.7.2

fixtures/default/specified_ruby_version/Gemfile.lock

@@ -1,33 +1,42 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    mustermann (3.0.0)
+    base64 (0.3.0)
+    logger (1.7.0)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.8)
-    rack-protection (3.1.0)
-      rack (~> 2.2, >= 2.2.4)
-    rackup (1.0.1)
-      rack (< 3)
-      webrick
+    rack (3.2.4)
+    rack-protection (4.2.1)
+      base64 (>= 0.1.0)
+      logger (>= 1.6.0)
+      rack (>= 3.0.0, < 4)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
+    rackup (2.3.1)
+      rack (>= 3)
     ruby2_keywords (0.0.5)
-    sinatra (3.1.0)
+    sinatra (4.2.1)
+      logger (>= 1.6.0)
       mustermann (~> 3.0)
-      rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.1.0)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.2.1)
+      rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    tilt (2.3.0)
-    webrick (1.8.1)
+    tilt (2.7.0)
+    webrick (1.9.2)
 
 PLATFORMS
   ruby
+  x86_64-linux
 
 DEPENDENCIES
   rackup
   sinatra
   webrick
 
 RUBY VERSION
-   ruby 3.2.0p0
+   ruby 3.2.9p265
 
 BUNDLED WITH
-   2.4.1
+   2.7.2

fixtures/multibuildpack/ruby_calls_go/Gemfile.lock

@@ -1,33 +1,42 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    mustermann (3.0.0)
+    base64 (0.3.0)
+    logger (1.7.0)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.8)
-    rack-protection (3.1.0)
-      rack (~> 2.2, >= 2.2.4)
-    rackup (1.0.1)
-      rack (< 3)
-      webrick
+    rack (3.2.4)
+    rack-protection (4.2.1)
+      base64 (>= 0.1.0)
+      logger (>= 1.6.0)
+      rack (>= 3.0.0, < 4)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
+    rackup (2.3.1)
+      rack (>= 3)
     ruby2_keywords (0.0.5)
-    sinatra (3.1.0)
+    sinatra (4.2.1)
+      logger (>= 1.6.0)
       mustermann (~> 3.0)
-      rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.1.0)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.2.1)
+      rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    tilt (2.3.0)
-    webrick (1.8.1)
+    tilt (2.7.0)
+    webrick (1.9.2)
 
 PLATFORMS
   ruby
+  x86_64-linux
 
 DEPENDENCIES
   rackup
   sinatra
   webrick
 
 RUBY VERSION
-   ruby 3.4.2p28
+   ruby 3.2.9p265
 
 BUNDLED WITH
-   2.6.2
+   2.7.2

manifest.yml

@@ -10,7 +10,6 @@ dependency_deprecation_dates:
   name: node
   date: 2025-04-30
   link: https://github.com/nodejs/Release
-
 - version_line: 3.2.x
   name: ruby
   date: 2026-03-31
@@ -33,6 +32,14 @@ dependencies:
   - cflinuxfs3
   source: https://github.com/rubygems/rubygems/tree/master/bundlertree/v2.6.5
   source_sha256: 9d0eef5779ee569c43f317484f034081f58e9cf7529af6cd59d15266e46a72a3
+- name: bundler
+  version: 2.7.2
+  uri: https://buildpacks.cloudfoundry.org/dependencies/bundler/bundler_2.7.2_linux_noarch_any-stack_54c53519.tgz
+  sha256: 54c53519ff41ac0ad0d498086039f6ee2eac5d1bdef5ad31ab33e8ab2c2b1e21
+  cf_stacks:
+  - cflinuxfs4
+  source: https://github.com/rubygems/rubygems/tree/master/bundlertree/v2.7.2
+  source_sha256: 1decaf9e2e1acb91b6586a2925c8f3f6da2334a82731a62ff2ded1b83c283871
 - name: jruby
   version: 9.4.8.0
   uri: https://buildpacks.cloudfoundry.org/dependencies/jruby/jruby_9.4.8.0-ruby-3.1_linux_x64_cflinuxfs3_70896f95.tgz
@@ -74,7 +81,6 @@ dependencies:
   - cflinuxfs4
   source: https://java-buildpack.cloudfoundry.org/openjdk-jdk/bionic/x86_64/openjdk-jdk-1.8.0_242-bionic.tar.gz
   source_sha256: dcb9fea2fc3a9b003031874ed17aa5d5a7ebbe397b276ecc8c814633003928fe
-
 - name: ruby
   version: 3.2.8
   uri: https://buildpacks.cloudfoundry.org/dependencies/ruby/ruby_3.2.8_linux_x64_cflinuxfs3_f36a7c8d.tgz

src/ruby/supply/supply.go

@@ -768,10 +768,6 @@ func (s *Supplier) InstallGems() error {
 		return err
 	}
 
-	if err := s.regenerateBundlerBinStub(tempDir); err != nil {
-		return err
-	}
-
 	s.Log.Info("Cleaning up the bundler cache.")
 	cmd = exec.Command("bundle", "clean")
 	cmd.Dir = tempDir
@@ -845,18 +841,6 @@ func (s *Supplier) removeIncompatibleBundledWithVersion(bundledWithVersion strin
 	return os.WriteFile(gemfileLockPath, output, 0666)
 }
 
-func (s *Supplier) regenerateBundlerBinStub(appDir string) error {
-	s.Log.BeginStep("Regenerating bundler binstubs...")
-	cmd := exec.Command("bundle", "binstubs", "bundler", "--force", "--path", filepath.Join(s.Stager.DepDir(), "binstubs"))
-	cmd.Dir = appDir
-	cmd.Stdout = text.NewIndentWriter(os.Stdout, []byte("       "))
-	cmd.Stderr = text.NewIndentWriter(os.Stderr, []byte("       "))
-	if err := s.Command.Run(cmd); err != nil {
-		return err
-	}
-	return libbuildpack.CopyFile(filepath.Join(s.Stager.DepDir(), "binstubs", "bundle"), filepath.Join(s.Stager.DepDir(), "bin", "bundle"))
-}
-
 func (s *Supplier) EnableLDLibraryPathEnv() error {
 	if exists, err := libbuildpack.FileExists(filepath.Join(s.Stager.BuildDir(), "ld_library_path")); err != nil {
 		return err

src/ruby/supply/supply_test.go

@@ -8,8 +8,6 @@ import (
 	"os/exec"
 	"path/filepath"
 
-	"reflect"
-
 	"github.com/cloudfoundry/ruby-buildpack/src/ruby/cache"
 	"github.com/cloudfoundry/ruby-buildpack/src/ruby/supply"
 
@@ -481,32 +479,13 @@ var _ = Describe("Supply", func() {
 
 		const windowsWarning = "**WARNING** Windows line endings detected in Gemfile. Your app may fail to stage. Please use UNIX line endings."
 
-		handleBundleBinstubRegeneration := func(cmd *exec.Cmd) error {
-			if len(cmd.Args) > 5 && reflect.DeepEqual(cmd.Args[0:5], []string{"bundle", "binstubs", "bundler", "--force", "--path"}) {
-				Expect(cmd.Args[5]).To(HavePrefix(filepath.Join(depsDir, depsIdx)))
-				Expect(os.MkdirAll(cmd.Args[5], 0755)).To(Succeed())
-				Expect(os.WriteFile(filepath.Join(cmd.Args[5], "bundle"), []byte("new bundle binstub"), 0644)).To(Succeed())
-			}
-			return nil
-		}
-
-		itRegeneratesBundleBinstub := func() {
-			It("Re-generates the bundler binstub to replace older, rails-generated ones that are incompatible with bundler > 1.16.0", func() {
-				Expect(supplier.InstallGems()).To(Succeed())
-				Expect(os.ReadFile(filepath.Join(depsDir, depsIdx, "binstubs", "bundle"))).To(Equal([]byte("new bundle binstub")))
-				Expect(os.ReadFile(filepath.Join(depsDir, depsIdx, "bin", "bundle"))).To(Equal([]byte("new bundle binstub")))
-			})
-		}
-
 		Context("Windows Gemfile", func() {
 			BeforeEach(func() {
 				mockVersions.EXPECT().HasWindowsGemfileLock().Return(false, nil)
-				mockCommand.EXPECT().Run(gomock.Any()).AnyTimes().Do(handleBundleBinstubRegeneration)
+				mockCommand.EXPECT().Run(gomock.Any()).AnyTimes()
 				Expect(os.WriteFile(filepath.Join(buildDir, "Gemfile"), []byte("source \"https://rubygems.org\"\r\ngem \"rack\"\r\n"), 0644)).To(Succeed())
 			})
 
-			itRegeneratesBundleBinstub()
-
 			It("Warns the user", func() {
 				Expect(supplier.InstallGems()).To(Succeed())
 				Expect(buffer.String()).To(ContainSubstring(windowsWarning))
@@ -521,10 +500,7 @@ var _ = Describe("Supply", func() {
 					if len(cmd.Args) > 2 && cmd.Args[1] == "install" {
 						Expect(os.MkdirAll(filepath.Join(cmd.Dir, ".bundle"), 0755)).To(Succeed())
 						Expect(os.WriteFile(filepath.Join(cmd.Dir, ".bundle", "config"), []byte("new bundle config"), 0644)).To(Succeed())
-					} else {
-						return handleBundleBinstubRegeneration(cmd)
 					}
-
 					return nil
 				})
 				Expect(os.WriteFile(filepath.Join(buildDir, "Gemfile"), []byte("source \"https://rubygems.org\"\ngem \"rack\"\n"), 0644)).To(Succeed())
@@ -534,8 +510,6 @@ var _ = Describe("Supply", func() {
 				os.Unsetenv("BUNDLE_CONFIG")
 			})
 
-			itRegeneratesBundleBinstub()
-
 			It("Does not warn the user", func() {
 				Expect(supplier.InstallGems()).To(Succeed())
 				Expect(buffer.String()).ToNot(ContainSubstring(windowsWarning))
@@ -572,8 +546,6 @@ var _ = Describe("Supply", func() {
 						if cmd.Args[1] == "install" {
 							Expect(filepath.Join(cmd.Dir, "Gemfile")).To(BeAnExistingFile())
 							Expect(filepath.Join(cmd.Dir, "Gemfile.lock")).To(BeAnExistingFile())
-						} else {
-							handleBundleBinstubRegeneration(cmd)
 						}
 					})
 					Expect(supplier.InstallGems()).To(Succeed())
@@ -588,8 +560,6 @@ var _ = Describe("Supply", func() {
 						if cmd.Args[1] == "install" {
 							Expect(cmd.Dir).ToNot(Equal(buildDir))
 							installCalled = true
-						} else {
-							handleBundleBinstubRegeneration(cmd)
 						}
 					})
 					Expect(supplier.InstallGems()).To(Succeed())
@@ -614,8 +584,6 @@ var _ = Describe("Supply", func() {
 							Expect(filepath.Join(cmd.Dir, "Gemfile")).To(BeAnExistingFile())
 							Expect(filepath.Join(cmd.Dir, "Gemfile.lock")).ToNot(BeAnExistingFile())
 							Expect(os.WriteFile(filepath.Join(cmd.Dir, "Gemfile.lock"), []byte(newGemfileLock), 0644)).To(Succeed())
-						} else {
-							handleBundleBinstubRegeneration(cmd)
 						}
 					})
 					Expect(supplier.InstallGems()).To(Succeed())
@@ -630,8 +598,6 @@ var _ = Describe("Supply", func() {
 						if cmd.Args[1] == "install" {
 							Expect(cmd.Dir).ToNot(Equal(buildDir))
 							installCalled = true
-						} else {
-							handleBundleBinstubRegeneration(cmd)
 						}
 					})
 					Expect(supplier.InstallGems()).To(Succeed())