Add ruby-3.4.8

* See discussion in https://github.com/rake-compiler/rake-compiler/pull/247
  it is messy if that's not the case and also creates inconsistencies
  based on which Java tool/executable is used.

.github/workflows/release.yml

@@ -11,7 +11,7 @@ jobs:
       GH_TOKEN: ${{ github.token }}
       GH_REPO: ${{ github.repository }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - uses: ./

.github/workflows/test.yml

@@ -17,10 +17,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-22.04, ubuntu-24.04, ubuntu-22.04-arm, ubuntu-24.04-arm, macos-13, macos-14, macos-15, windows-2022, windows-2025, windows-11-arm ]
+        os: [ ubuntu-22.04, ubuntu-24.04, ubuntu-22.04-arm, ubuntu-24.04-arm, macos-14, macos-15, macos-15-intel, windows-2022, windows-2025, windows-11-arm ]
         ruby: [
-          '1.9', '2.0', '2.1', '2.2', '2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', ruby-head,
+          '1.9', '2.0', '2.1', '2.2', '2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', '4.0', ruby-head,
-          jruby, jruby-head,
+          jruby-9.4, jruby, jruby-head,
           truffleruby, truffleruby-head,
           truffleruby+graalvm, truffleruby+graalvm-head
         ]
@@ -75,13 +75,14 @@ jobs:
         - { os: windows-11-arm, ruby: '3.1' }
         - { os: windows-11-arm, ruby: '3.2' }
         - { os: windows-11-arm, ruby: '3.3' }
-        # https://github.com/ruby/jruby-dev-builder/pull/14#issuecomment-2829841247
-        - { os: windows-11-arm, ruby: jruby }
-        - { os: windows-11-arm, ruby: jruby-head }
         # RubyInstaller has no 64-bit builds of 1.9 on Windows
         - { os: windows-2022, ruby: '1.9' }
         - { os: windows-2025, ruby: '1.9' }
         - { os: windows-11-arm, ruby: '1.9' }
+        # No preview builds on Windows
+        - { os: windows-2022, ruby: '4.0' }
+        - { os: windows-2025, ruby: '4.0' }
+        - { os: windows-11-arm, ruby: '4.0' }
         # TruffleRuby does not support Windows
         - { os: windows-2022, ruby: truffleruby }
         - { os: windows-2025, ruby: truffleruby }
@@ -99,7 +100,7 @@ jobs:
     name: ${{ matrix.os }} ${{ matrix.ruby }}
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - uses: ./
       with:
@@ -198,15 +199,14 @@ jobs:
       shell: bash
       run: echo ~ && bundle install
     - name: Windows JRuby
-      # Should be startsWith(matrix.ruby, 'jruby') but broken on jruby-head: https://github.com/jruby/jruby/issues/8623
+      if: startsWith(matrix.os, 'windows') && startsWith(matrix.ruby, 'jruby')
-      if: startsWith(matrix.os, 'windows') && matrix.ruby == 'jruby'
       run: gem install sassc
 
   testDotRubyVersion:
     name: "Test .ruby-version"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - run: echo "ruby-3.4.0" > .ruby-version
       - uses: ./
       - run: ruby -v | grep -F "ruby 3.4.0"
@@ -215,7 +215,7 @@ jobs:
     name: "Test .tool-versions"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - run: echo -e "nodejs 16.0.0\nruby   3.4.0" > .tool-versions
       - uses: ./
       - run: ruby -v | grep -F "ruby 3.4.0"
@@ -224,7 +224,7 @@ jobs:
     name: "Test mise.toml"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - run: echo -e "[tools]\nnode = '18'\nruby = '3.4.0'" > mise.toml
       - uses: ./
       - run: ruby -v | grep -F "ruby 3.4.0"
@@ -233,13 +233,25 @@ jobs:
     name: "Test with no Gemfile"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - run: rm Gemfile
       - uses: ./
         with:
           ruby-version: '2.6'
       - run: ruby -v
 
+  testNoGemfileWithBundlerCache:
+    name: "Test with no Gemfile but with bundler-cache"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - run: rm Gemfile
+      - uses: ./
+        with:
+          ruby-version: '2.6'
+          bundler-cache: true
+      - run: ruby -v
+
   testLatestRubygemsVersion:
     name: "Test rubygems: latest on ${{ matrix.ruby }}"
     runs-on: ubuntu-latest
@@ -255,7 +267,7 @@ jobs:
         - { ruby: '2.3', expected_rubygems_version: '3.3.27' }
         - { ruby: '2.0', expected_rubygems_version: '2.7.11' }
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: ./
       with:
         ruby-version: ${{ matrix.ruby }}
@@ -266,7 +278,7 @@ jobs:
     name: "Test rubygems: version upgrades RubyGems to that version if the default is older"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: ./
       with:
         ruby-version: '2.6'
@@ -277,7 +289,7 @@ jobs:
     name: "Test rubygems: version noops if the default is newer"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: ./
       with:
         ruby-version: '3.1.0'
@@ -288,7 +300,7 @@ jobs:
     name: "Test rubygems: version uses the Bundler installed by the rubygems update"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ./
         with:
           ruby-version: '3.1.0'
@@ -300,7 +312,7 @@ jobs:
     name: "Test bundler: 1.x for old Ruby"
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ./
         with:
           ruby-version: '2.3'
@@ -311,7 +323,7 @@ jobs:
     name: "Test with a major Bundler version"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: ./
       with:
         ruby-version: '2.6'
@@ -322,7 +334,7 @@ jobs:
     name: "Test with a minor Bundler version"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: ./
       with:
         ruby-version: '2.6'
@@ -333,7 +345,7 @@ jobs:
     name: "Test with an exact Bundler version"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: ./
       with:
         ruby-version: '2.6'
@@ -344,7 +356,7 @@ jobs:
     name: "Test with a Bundler pre/rc version"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ./
         with:
           ruby-version: '2.6'
@@ -357,7 +369,7 @@ jobs:
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/bundler-dev.gemfile
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ./
         with:
           ruby-version: ruby-head
@@ -369,7 +381,7 @@ jobs:
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/bundler1.gemfile
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ./
         with:
           ruby-version: '2.7'
@@ -387,31 +399,18 @@ jobs:
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ./
         with:
           ruby-version: '3.2'
           bundler-cache: true
       - run: bundle exec rails --version
 
-  testTruffleRubyNokogiri:
-    name: "Test installing a Gemfile with nokogiri on TruffleRuby"
-    runs-on: ubuntu-latest
-    env:
-      BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/nokogiri.gemfile
-    steps:
-      - uses: actions/checkout@v4
-      - uses: ./
-        with:
-          ruby-version: truffleruby-head
-          bundler-cache: true
-      - run: bundle list | grep nokogiri
-
   testWindowsToolchain:
     name: "Test windows-toolchain: none"
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ./
         with:
           ruby-version: '2.7'
@@ -423,7 +422,7 @@ jobs:
   lint:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - run: yarn install
     - run: yarn run package
     - name: Check generated files are up to date

.github/workflows/update-v1-branch.yml

@@ -9,7 +9,7 @@ jobs:
   update_branch:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - run: git push origin HEAD:v1

README.md

@@ -15,10 +15,10 @@ This action currently supports these versions of MRI, JRuby and TruffleRuby:
 
 | Interpreter | Versions |
 | ----------- | -------- |
-| `ruby` | 1.9.3, 2.0.0, 2.1.9, 2.2, all versions from 2.3.0 until 3.5.0-preview1, head, debug, mingw, mswin, ucrt |
+| `ruby` | 1.9.3, 2.0.0, 2.1.9, 2.2, all versions from 2.3.0 until 4.0.0-preview2, head, debug, mingw, mswin, ucrt |
-| `jruby` | 9.1.17.0 - 10.0.1.0, head |
+| `jruby` | 9.1.17.0 - 10.0.2.0, head |
-| `truffleruby` | 19.3.0 - 24.2.1, head |
+| `truffleruby` | 19.3.0 - 25.0.0, head |
-| `truffleruby+graalvm` | 21.2.0 - 24.2.1, head |
+| `truffleruby+graalvm` | 21.2.0 - 25.0.0, head |
 
 `ruby-debug` is the same as `ruby-head` but with assertions enabled (`-DRUBY_DEBUG=1`).
 
@@ -45,12 +45,12 @@ which means Ruby ≤ 2.4 is unmaintained and considered insecure.
 
 ### Supported Platforms
 
-The action works on these [GitHub-hosted runners](https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources) images. Runner images not listed below are not supported yet. `$OS-latest` just alias to one of these images.
+The action works on these [GitHub-hosted runners](https://docs.github.com/en/actions/reference/runners/github-hosted-runners) images. Runner images not listed below are not supported yet. `$OS-latest` just alias to one of these images.
 
 | Operating System | Supported |
 | ---------------- | --------- |
 | Ubuntu  | `ubuntu-22.04`, `ubuntu-24.04`, `ubuntu-22.04-arm`, `ubuntu-24.04-arm` |
-| macOS   | `macos-13` and newer versions |
+| macOS   | `macos-14` and newer versions |
 | Windows | `windows-2022`, `windows-2025`, `windows-11-arm` |
 
 Not all combinations of runner images and versions are supported.
@@ -76,10 +76,10 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: ruby/setup-ruby@v1
       with:
-        ruby-version: '3.3' # Not needed with a .ruby-version, .tool-versions or mise.toml
+        ruby-version: '3.4' # Not needed with a .ruby-version, .tool-versions or mise.toml
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
     - run: bundle exec rake
 ```
@@ -98,10 +98,10 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest]
         # Due to https://github.com/actions/runner/issues/849, we have to use quotes for '3.0'
-        ruby: ['2.7', '3.0', '3.1', '3.2', '3.3', head, jruby, jruby-head, truffleruby, truffleruby-head]
+        ruby: ['2.7', '3.0', '3.1', '3.2', '3.3', '3.4', head, jruby, jruby-head, truffleruby, truffleruby-head]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
@@ -124,10 +124,10 @@ jobs:
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.3'
+          ruby-version: '3.4'
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - run: bundle exec rake
 ```

bundler.js

@@ -1,4 +1,5 @@
 const fs = require('fs')
+const os = require('os')
 const path = require('path')
 const core = require('@actions/core')
 const exec = require('@actions/exec')
@@ -48,16 +49,6 @@ function readBundledWithFromGemfileLock(lockFile) {
   return null
 }
 
-async function afterLockFile(lockFile, platform, engine, rubyVersion) {
-  if (engine.startsWith('truffleruby') && common.floatVersion(rubyVersion) < 21.1 && platform.startsWith('ubuntu-')) {
-    const contents = fs.readFileSync(lockFile, 'utf8')
-    if (contents.includes('nokogiri')) {
-      await common.measure('Installing libxml2-dev libxslt-dev, required to install nokogiri on TruffleRuby < 21.1', async () =>
-        exec.exec('sudo', ['apt-get', '-yqq', 'install', 'libxml2-dev', 'libxslt-dev'], { silent: true }))
-    }
-  }
-}
-
 export async function installBundler(bundlerVersionInput, rubygemsInputSet, lockFile, platform, rubyPrefix, engine, rubyVersion) {
   let bundlerVersion = bundlerVersionInput
 
@@ -76,17 +67,15 @@ export async function installBundler(bundlerVersionInput, rubygemsInputSet, lock
     }
   }
 
-  const floatVersion = common.floatVersion(rubyVersion)
-
   if (bundlerVersion === 'default') {
-    if (common.isBundler2dot2Default(engine, rubyVersion)) {
+    if (common.isBundler2dot2PlusDefault(engine, rubyVersion)) {
       if (common.windows && engine === 'ruby' && (common.isStableVersion(engine, rubyVersion) || rubyVersion === 'head')) {
         // https://github.com/ruby/setup-ruby/issues/371
         console.log(`Installing latest Bundler for ${engine}-${rubyVersion} on Windows because bin/bundle does not work in bash otherwise`)
         bundlerVersion = 'latest'
       } else {
-        console.log(`Using Bundler 2 shipped with ${engine}-${rubyVersion}`)
+        console.log(`Using Bundler shipped with ${engine}-${rubyVersion}`)
-        return '2'
+        return common.isBundler4PlusDefault(engine, rubyVersion) ? '4' : '2'
       }
     } else if (common.hasBundlerDefaultGem(engine, rubyVersion)) {
       // Those Rubies have a old Bundler default gem < 2.2 which does not work well for `gem 'foo', github: 'foo/foo'`:
@@ -99,8 +88,15 @@ export async function installBundler(bundlerVersionInput, rubygemsInputSet, lock
     }
   }
 
+  const targetRubyVersion = common.targetRubyVersion(engine, rubyVersion)
+
   if (bundlerVersion === 'latest') {
-    bundlerVersion = '2'
+    // Bundler 4 requires Ruby 3.2+
+    if (targetRubyVersion < 3.2) {
+      bundlerVersion = '2'
+    } else {
+      bundlerVersion = '4'
+    }
   }
 
   if (isValidBundlerVersion(bundlerVersion)) {
@@ -109,24 +105,29 @@ export async function installBundler(bundlerVersionInput, rubygemsInputSet, lock
     throw new Error(`Cannot parse bundler input: ${bundlerVersion}`)
   }
 
-  // Use Bundler 1 when we know Bundler 2 does not work
+  // Only use Bundler 4 on Ruby 3.2+
-  if (bundlerVersion.startsWith('2')) {
+  if (common.floatVersion(bundlerVersion) >= 4 && targetRubyVersion < 3.2) {
-    if (engine === 'ruby' && floatVersion <= 2.2) {
+    console.log('Bundler 4 requires Ruby 3.2+, using Bundler 2 instead on Ruby < 3.2')
-      console.log('Bundler 2 requires Ruby 2.3+, using Bundler 1 on Ruby <= 2.2')
+    bundlerVersion = '2'
+  }
+
+  // Use Bundler 1 when we know Bundler 2+ does not work
+  if (common.floatVersion(bundlerVersion) >= 2) {
+    if (engine === 'ruby' && targetRubyVersion <= 2.2) {
+      console.log(`Bundler 2+ requires Ruby 2.3+, using Bundler 1 on Ruby <= 2.2`)
       bundlerVersion = '1'
     } else if (engine === 'ruby' && /^2\.3\.[01]/.test(rubyVersion)) {
       console.log('Ruby 2.3.0 and 2.3.1 have shipped with an old rubygems that only works with Bundler 1')
       bundlerVersion = '1'
     } else if (engine === 'jruby' && rubyVersion.startsWith('9.1')) { // JRuby 9.1 targets Ruby 2.3, treat it the same
-      console.log('JRuby 9.1 has a bug with Bundler 2 (https://github.com/ruby/setup-ruby/issues/108), using Bundler 1 instead on JRuby 9.1')
+      console.log('JRuby 9.1 has a bug with Bundler 2+ (https://github.com/ruby/setup-ruby/issues/108), using Bundler 1 instead on JRuby 9.1')
       bundlerVersion = '1'
     }
   }
 
-  const targetRubyVersion = common.targetRubyVersion(engine, rubyVersion)
   // Use Bundler 2.3 when we use Ruby 2.3.2 - 2.5
   // Use Bundler 2.4 when we use Ruby 2.6-2.7
-  if (bundlerVersion == '2') {
+  if (bundlerVersion === '2') {
     if (targetRubyVersion <= 2.5) { // < 2.3.2 already handled above
       console.log('Ruby 2.3.2 - 2.5 only works with Bundler 2.3')
       bundlerVersion = '2.3'
@@ -146,6 +147,14 @@ export async function installBundler(bundlerVersionInput, rubygemsInputSet, lock
   return bundlerVersion
 }
 
+function bundlerConfigSetArgs(bundlerVersion, key, value) {
+  if (bundlerVersion.startsWith('1')) {
+    return ['config', '--local', key, value]
+  } else {
+    return ['config', 'set', '--local', key, value]
+  }
+}
+
 export async function bundleInstall(gemfile, lockFile, platform, engine, rubyVersion, bundlerVersion, cacheVersion) {
   if (gemfile === null) {
     console.log('Could not determine gemfile path, skipping "bundle install" and caching')
@@ -153,8 +162,8 @@ export async function bundleInstall(gemfile, lockFile, platform, engine, rubyVer
   }
 
   let envOptions = {}
-  if (bundlerVersion.startsWith('1') && common.isBundler2Default(engine, rubyVersion)) {
+  if (bundlerVersion.startsWith('1') && common.isBundler2PlusDefault(engine, rubyVersion)) {
-    // If Bundler 1 is specified on Rubies which ship with Bundler 2,
+    // If Bundler 1 is specified on Rubies which ship with Bundler 2+,
     // we need to specify which Bundler version to use explicitly until the lockfile exists.
     console.log(`Setting BUNDLER_VERSION=${bundlerVersion} for "bundle config|lock" commands below to ensure Bundler 1 is used`)
     envOptions = { env: { ...process.env, BUNDLER_VERSION: bundlerVersion } }
@@ -165,17 +174,18 @@ export async function bundleInstall(gemfile, lockFile, platform, engine, rubyVer
   // An absolute path, so it is reliably under $PWD/vendor/bundle, and not relative to the gemfile's directory
   const bundleCachePath = path.join(process.cwd(), cachePath)
 
-  await exec.exec('bundle', ['config', '--local', 'path', bundleCachePath], envOptions)
+  await exec.exec('bundle', bundlerConfigSetArgs(bundlerVersion, 'path', bundleCachePath), envOptions)
 
   if (fs.existsSync(lockFile)) {
-    await exec.exec('bundle', ['config', '--local', 'deployment', 'true'], envOptions)
+    await exec.exec('bundle', bundlerConfigSetArgs(bundlerVersion, 'deployment', 'true'), envOptions)
   } else {
     // Generate the lockfile so we can use it to compute the cache key.
     // This will also automatically pick up the latest gem versions compatible with the Gemfile.
     await exec.exec('bundle', ['lock'], envOptions)
   }
 
-  await afterLockFile(lockFile, platform, engine, rubyVersion)
+  await core.group(`Print lockfile`, async () =>
+    await exec.exec('cat', [lockFile]))
 
   // cache key
   const paths = [cachePath]
@@ -202,11 +212,13 @@ export async function bundleInstall(gemfile, lockFile, platform, engine, rubyVer
     console.log(`Found cache for key: ${cachedKey}`)
   }
 
+  // Number of jobs should scale with runner, up to a point
+  const jobs = Math.min(os.availableParallelism(), 8)
   // Always run 'bundle install' to list the gems
-  await exec.exec('bundle', ['install', '--jobs', '4'])
+  await exec.exec('bundle', ['install', '--jobs', `${jobs}`])
 
   // @actions/cache only allows to save for non-existing keys
-  if (cachedKey !== key) {
+  if (!common.isExactCacheKeyMatch(key, cachedKey)) {
     if (cachedKey) { // existing cache but Gemfile.lock differs, clean old gems
       await exec.exec('bundle', ['clean'])
     }

common.js

@@ -13,6 +13,7 @@ const linuxOSInfo = require('linux-os-info')
 export const windows = (os.platform() === 'win32')
 // Extract to SSD on Windows, see https://github.com/ruby/setup-ruby/pull/14
 export const drive = (windows ? (process.env['RUNNER_TEMP'] || 'C')[0] : undefined)
+const PATH_ENV_VAR = windows ? 'Path' : 'PATH'
 
 export const inputs = {
   selfHosted: undefined
@@ -80,7 +81,7 @@ export function isStableVersion(engine, rubyVersion) {
 }
 
 export function hasBundlerDefaultGem(engine, rubyVersion) {
-  return isBundler1Default(engine, rubyVersion) || isBundler2Default(engine, rubyVersion)
+  return isBundler1Default(engine, rubyVersion) || isBundler2PlusDefault(engine, rubyVersion)
 }
 
 export function isBundler1Default(engine, rubyVersion) {
@@ -95,7 +96,7 @@ export function isBundler1Default(engine, rubyVersion) {
   }
 }
 
-export function isBundler2Default(engine, rubyVersion) {
+export function isBundler2PlusDefault(engine, rubyVersion) {
   if (engine === 'ruby') {
     return floatVersion(rubyVersion) >= 2.7
   } else if (engine.startsWith('truffleruby')) {
@@ -107,7 +108,7 @@ export function isBundler2Default(engine, rubyVersion) {
   }
 }
 
-export function isBundler2dot2Default(engine, rubyVersion) {
+export function isBundler2dot2PlusDefault(engine, rubyVersion) {
   if (engine === 'ruby') {
     return floatVersion(rubyVersion) >= 3.0
   } else if (engine.startsWith('truffleruby')) {
@@ -119,6 +120,13 @@ export function isBundler2dot2Default(engine, rubyVersion) {
   }
 }
 
+const UNKNOWN_TARGET_RUBY_VERSION = 9.9
+
+export function isBundler4PlusDefault(engine, rubyVersion) {
+  const version = targetRubyVersion(engine, rubyVersion)
+  return version != UNKNOWN_TARGET_RUBY_VERSION && version >= 4.0
+}
+
 export function targetRubyVersion(engine, rubyVersion) {
   const version = floatVersion(rubyVersion)
   if (engine === 'ruby') {
@@ -132,6 +140,8 @@ export function targetRubyVersion(engine, rubyVersion) {
       return 2.6
     } else if (version === 9.4) {
       return 3.1
+    } else if (version === 10.0) {
+      return 3.4
     }
   } else if (engine.startsWith('truffleruby')) {
     if (version < 21.0) {
@@ -147,11 +157,11 @@ export function targetRubyVersion(engine, rubyVersion) {
     }
   }
 
-  return 9.9 // unknown, assume recent
+  return UNKNOWN_TARGET_RUBY_VERSION // unknown, assume recent
 }
 
 export function floatVersion(rubyVersion) {
-  const match = rubyVersion.match(/^\d+\.\d+/)
+  const match = rubyVersion.match(/^\d+(\.\d+|$)/)
   if (match) {
     return parseFloat(match[0])
   } else if (isHeadVersion(rubyVersion)) {
@@ -356,28 +366,26 @@ export function win2nix(path) {
 }
 
 export function setupPath(newPathEntries) {
-  const envPath = windows ? 'Path' : 'PATH'
+  const originalPath = process.env[PATH_ENV_VAR].split(path.delimiter)
-  const originalPath = process.env[envPath].split(path.delimiter)
   let cleanPath = originalPath.filter(entry => !/\bruby\b/i.test(entry))
 
-  core.startGroup(`Modifying ${envPath}`)
+  core.group(`Modifying ${PATH_ENV_VAR}`, async () => {
-
+    // First remove the conflicting path entries
-  // First remove the conflicting path entries
+    if (cleanPath.length !== originalPath.length) {
-  if (cleanPath.length !== originalPath.length) {
+      console.log(`Entries removed from ${PATH_ENV_VAR} to avoid conflicts with default Ruby:`)
-    console.log(`Entries removed from ${envPath} to avoid conflicts with default Ruby:`)
+      for (const entry of originalPath) {
-    for (const entry of originalPath) {
+        if (!cleanPath.includes(entry)) {
-      if (!cleanPath.includes(entry)) {
+          console.log(`  ${entry}`)
-        console.log(`  ${entry}`)
+        }
       }
+      core.exportVariable(PATH_ENV_VAR, cleanPath.join(path.delimiter))
     }
-    core.exportVariable(envPath, cleanPath.join(path.delimiter))
-  }
 
-  console.log(`Entries added to ${envPath} to use selected Ruby:`)
+    console.log(`Entries added to ${PATH_ENV_VAR} to use selected Ruby:`)
-  for (const entry of newPathEntries) {
+    for (const entry of newPathEntries) {
-    console.log(`  ${entry}`)
+      console.log(`  ${entry}`)
-  }
+    }
-  core.endGroup()
+  })
 
   core.addPath(newPathEntries.join(path.delimiter))
 }
@@ -396,20 +404,40 @@ export async function setupJavaHome(rubyPrefix) {
       console.log("JRuby failed to start, try Java 21 envs")
 
       let arch = os.arch()
-      if (arch === "x64" || os.platform() !== "darwin") {
+      if (arch === "arm64" && os.platform() === "win32") {
+        arch = "AARCH64"
+      } else if (arch === "x64" || os.platform() !== "darwin") {
         arch = "X64"
       }
 
+      // JAVA_HOME_21_AARCH64 - https://github.com/actions/partner-runner-images/blob/main/images/arm-windows-11-image.md#java
+      // JAVA_HOME_21_arm64 - https://github.com/actions/runner-images/blob/main/images/macos/macos-15-arm64-Readme.md#java
+      // JAVA_HOME_21_X64 - https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2404-Readme.md#java
       let newHomeVar = `JAVA_HOME_21_${arch}`
       let newHome = process.env[newHomeVar]
+      let bin = path.join(newHome, 'bin')
 
       if (newHome === "undefined") {
         throw new Error(`JAVA_HOME is not Java 21+ needed for JRuby and \$${newHomeVar} is not defined`)
       }
 
       console.log(`Setting JAVA_HOME to ${newHomeVar} path ${newHome}`)
-
       core.exportVariable("JAVA_HOME", newHome)
+
+      console.log(`Adding ${bin} to ${PATH_ENV_VAR}`)
+      core.addPath(bin)
     }
   })
 }
+
+// Determines if two keys are an exact match for the purposes of cache matching
+// Specifically, this is a case-insensitive match that ignores accents
+// From actions/cache@v3 src/utils/actionUtils.ts (MIT)
+export function isExactCacheKeyMatch(key, cacheKey) {
+  return !!(
+      cacheKey &&
+      cacheKey.localeCompare(key, undefined, {
+          sensitivity: 'accent'
+      }) === 0
+  );
+}

gemfiles/nokogiri.gemfile

@@ -1,3 +0,0 @@
-source "https://rubygems.org"
-
-gem "nokogiri"

index.js

@@ -175,7 +175,7 @@ function validateRubyEngineAndVersion(platform, engineVersions, engine, parsedVe
   // Well known version-platform combinations which do not work:
   if (engine === 'ruby' && platform.startsWith('macos') && os.arch() === 'arm64' && common.floatVersion(version) < 2.6) {
     throw new Error(`CRuby < 2.6 does not support macos-arm64.
-        Either use a newer Ruby version or use a macOS image running on amd64, e.g., macos-13.
+        Either use a newer Ruby version or use a macOS image running on amd64, e.g., macos-15-intel.
         Note that GitHub changed the meaning of macos-latest from macos-12 (amd64) to macos-14 (arm64):
         https://github.blog/changelog/2024-04-01-macos-14-sonoma-is-generally-available-and-the-latest-macos-runner-image/
 
@@ -188,8 +188,8 @@ function validateRubyEngineAndVersion(platform, engineVersions, engine, parsedVe
           - { os: macos-latest, ruby: '2.4' }
           - { os: macos-latest, ruby: '2.5' }
           include:
-          - { os: macos-13, ruby: '2.4' }
+          - { os: macos-15-intel, ruby: '2.4' }
-          - { os: macos-13, ruby: '2.5' }
+          - { os: macos-15-intel, ruby: '2.5' }
 
         But of course you should consider dropping support for these long-EOL Rubies, which cannot even be built on recent macOS machines.`)
   } else if (engine === 'truffleruby' && platform.startsWith('windows')) {

ruby-builder-versions.json

@@ -11,18 +11,19 @@
     "2.7.0", "2.7.1", "2.7.2", "2.7.3", "2.7.4", "2.7.5", "2.7.6", "2.7.7", "2.7.8",
     "3.0.0-preview1", "3.0.0-preview2", "3.0.0-rc1", "3.0.0", "3.0.1", "3.0.2", "3.0.3", "3.0.4", "3.0.5", "3.0.6", "3.0.7",
     "3.1.0-preview1", "3.1.0", "3.1.1", "3.1.2", "3.1.3", "3.1.4", "3.1.5", "3.1.6", "3.1.7",
-    "3.2.0-preview1", "3.2.0-preview2", "3.2.0-preview3", "3.2.0-rc1", "3.2.0", "3.2.1", "3.2.2", "3.2.3", "3.2.4", "3.2.5", "3.2.6", "3.2.7", "3.2.8",
+    "3.2.0-preview1", "3.2.0-preview2", "3.2.0-preview3", "3.2.0-rc1", "3.2.0", "3.2.1", "3.2.2", "3.2.3", "3.2.4", "3.2.5", "3.2.6", "3.2.7", "3.2.8", "3.2.9",
-    "3.3.0-preview1", "3.3.0-preview2", "3.3.0-preview3", "3.3.0-rc1", "3.3.0", "3.3.1", "3.3.2", "3.3.3", "3.3.4", "3.3.5", "3.3.6", "3.3.7", "3.3.8",
+    "3.3.0-preview1", "3.3.0-preview2", "3.3.0-preview3", "3.3.0-rc1", "3.3.0", "3.3.1", "3.3.2", "3.3.3", "3.3.4", "3.3.5", "3.3.6", "3.3.7", "3.3.8", "3.3.9", "3.3.10",
-    "3.4.0-preview1", "3.4.0-preview2", "3.4.0-rc1", "3.4.0", "3.4.1", "3.4.2", "3.4.3", "3.4.4", "3.4.5",
+    "3.4.0-preview1", "3.4.0-preview2", "3.4.0-rc1", "3.4.0", "3.4.1", "3.4.2", "3.4.3", "3.4.4", "3.4.5", "3.4.6", "3.4.7", "3.4.8",
     "3.5.0-preview1",
+    "4.0.0-preview2",
     "head", "debug", "asan", "3.4-asan"
   ],
   "jruby": [
     "9.1.17.0",
     "9.2.9.0", "9.2.10.0", "9.2.11.0", "9.2.11.1", "9.2.12.0", "9.2.13.0", "9.2.14.0", "9.2.15.0", "9.2.16.0", "9.2.17.0", "9.2.18.0", "9.2.19.0", "9.2.20.0", "9.2.20.1", "9.2.21.0",
     "9.3.0.0", "9.3.1.0", "9.3.2.0", "9.3.3.0", "9.3.4.0", "9.3.6.0", "9.3.7.0", "9.3.8.0", "9.3.9.0", "9.3.10.0", "9.3.11.0", "9.3.13.0", "9.3.14.0", "9.3.15.0",
-    "9.4.0.0", "9.4.1.0", "9.4.2.0", "9.4.3.0", "9.4.4.0", "9.4.5.0", "9.4.6.0", "9.4.7.0", "9.4.8.0", "9.4.9.0", "9.4.10.0", "9.4.11.0", "9.4.12.0", "9.4.12.1", "9.4.13.0",
+    "9.4.0.0", "9.4.1.0", "9.4.2.0", "9.4.3.0", "9.4.4.0", "9.4.5.0", "9.4.6.0", "9.4.7.0", "9.4.8.0", "9.4.9.0", "9.4.10.0", "9.4.11.0", "9.4.12.0", "9.4.12.1", "9.4.13.0", "9.4.14.0",
-    "10.0.0.0", "10.0.0.1", "10.0.1.0",
+    "10.0.0.0", "10.0.0.1", "10.0.1.0", "10.0.2.0",
     "head"
   ],
   "truffleruby": [
@@ -32,6 +33,7 @@
     "22.0.0.2", "22.1.0", "22.2.0", "22.3.0", "22.3.1",
     "23.0.0-preview1", "23.0.0", "23.1.0", "23.1.1", "23.1.2",
     "24.0.0", "24.0.1", "24.0.2", "24.1.0", "24.1.1", "24.1.2", "24.2.0", "24.2.1",
+    "25.0.0",
     "head"
   ],
   "truffleruby+graalvm": [
@@ -39,6 +41,7 @@
     "22.0.0.2", "22.1.0", "22.2.0", "22.3.0", "22.3.1",
     "23.0.0-preview1", "23.0.0", "23.1.0", "23.1.1", "23.1.2",
     "24.0.0", "24.0.1", "24.0.2", "24.1.0", "24.1.1", "24.1.2", "24.2.0", "24.2.1",
+    "25.0.0",
     "head"
   ]
 }

ruby-builder.js

@@ -8,7 +8,6 @@ const tc = require('@actions/tool-cache')
 const common = require('./common')
 const rubyBuilderVersions = require('./ruby-builder-versions')
 
-const builderReleaseTag = 'toolcache'
 const releasesURL = 'https://github.com/ruby/ruby-builder/releases'
 
 const windows = common.windows
@@ -105,33 +104,21 @@ async function downloadAndExtract(platform, engine, version, rubyPrefix) {
 function getDownloadURL(platform, engine, version) {
   let builderPlatform = null
   if (platform.startsWith('windows-')) {
-    if (os.arch() === 'x64') {
+    builderPlatform = `windows-${os.arch()}`
-      builderPlatform = 'windows-latest'
-    } else if (os.arch() === 'arm64') {
-      builderPlatform = 'windows-arm64'
-    }
   } else if (platform.startsWith('macos-')) {
-    if (os.arch() === 'x64') {
+    builderPlatform = `darwin-${os.arch()}`
-      builderPlatform = 'macos-latest'
-    } else if (os.arch() === 'arm64') {
-      builderPlatform = 'macos-13-arm64'
-    }
   } else if (platform.startsWith('ubuntu-')) {
-    if (os.arch() === 'x64') {
+    builderPlatform = `${platform}-${os.arch()}`
-      builderPlatform = platform
-    } else if (os.arch() === 'arm64') {
-      builderPlatform = `${platform}-arm64`
-    }
   }
 
-  if (builderPlatform === null) {
+  if (builderPlatform === null || !['x64', 'arm64'].includes(os.arch())) {
-    throw new Error(`Unknown download URL for platform ${platform}`)
+    throw new Error(`Unknown download URL for platform ${platform}-${os.arch()}`)
   }
 
   if (common.isHeadVersion(version)) {
     return getLatestHeadBuildURL(builderPlatform, engine, version)
   } else {
-    return `${releasesURL}/download/${builderReleaseTag}/${engine}-${version}-${builderPlatform}.tar.gz`
+    return `${releasesURL}/download/${engine}-${version}/${engine}-${version}-${builderPlatform}.tar.gz`
   }
 }
 

windows-toolchain-versions.json

@@ -203,6 +203,9 @@
   "3.2.8": {
     "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64-mingw-w64@r688-gcc@14.7z"
   },
+  "3.2.9": {
+    "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64.7z"
+  },
   "3.3.0": {
     "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64-mingw-w64@r688-gcc@14.7z"
   },
@@ -230,6 +233,12 @@
   "3.3.8": {
     "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64-mingw-w64@r688-gcc@14.7z"
   },
+  "3.3.9": {
+    "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64.7z"
+  },
+  "3.3.10": {
+    "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64.7z"
+  },
   "3.4.1": {
     "arm64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-clangarm64-mingw-w64@r688.7z",
     "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64-mingw-w64@r688-gcc@14.7z"
@@ -246,6 +255,18 @@
     "arm64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-clangarm64.7z",
     "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64.7z"
   },
+  "3.4.5": {
+    "arm64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-clangarm64.7z",
+    "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64.7z"
+  },
+  "3.4.6": {
+    "arm64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-clangarm64.7z",
+    "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64.7z"
+  },
+  "3.4.7": {
+    "arm64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-clangarm64.7z",
+    "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64.7z"
+  },
   "head": {
     "arm64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-clangarm64.7z",
     "x64": "https://github.com/ruby/setup-msys2-gcc/releases/latest/download/msys2-ucrt64.7z"

windows-versions.json

@@ -203,6 +203,9 @@
   "3.2.8": {
     "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.2.8-1/rubyinstaller-3.2.8-1-x64.7z"
   },
+  "3.2.9": {
+    "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.2.9-1/rubyinstaller-3.2.9-1-x64.7z"
+  },
   "3.3.0": {
     "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.3.0-1/rubyinstaller-3.3.0-1-x64.7z"
   },
@@ -230,6 +233,12 @@
   "3.3.8": {
     "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.3.8-1/rubyinstaller-3.3.8-1-x64.7z"
   },
+  "3.3.9": {
+    "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.3.9-1/rubyinstaller-3.3.9-1-x64.7z"
+  },
+  "3.3.10": {
+    "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.3.10-1/rubyinstaller-3.3.10-1-x64.7z"
+  },
   "3.4.1": {
     "arm64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.1-2/rubyinstaller-3.4.1-2-arm.7z",
     "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.1-2/rubyinstaller-3.4.1-2-x64.7z"
@@ -246,6 +255,18 @@
     "arm64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.4-2/rubyinstaller-3.4.4-2-arm.7z",
     "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.4-2/rubyinstaller-3.4.4-2-x64.7z"
   },
+  "3.4.5": {
+    "arm64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.5-1/rubyinstaller-3.4.5-1-arm.7z",
+    "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.5-1/rubyinstaller-3.4.5-1-x64.7z"
+  },
+  "3.4.6": {
+    "arm64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.6-1/rubyinstaller-3.4.6-1-arm.7z",
+    "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.6-1/rubyinstaller-3.4.6-1-x64.7z"
+  },
+  "3.4.7": {
+    "arm64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.7-1/rubyinstaller-3.4.7-1-arm.7z",
+    "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.7-1/rubyinstaller-3.4.7-1-x64.7z"
+  },
   "head": {
     "arm64": "https://github.com/oneclick/rubyinstaller2/releases/download/rubyinstaller-head/rubyinstaller-head-arm.7z",
     "x64": "https://github.com/oneclick/rubyinstaller2/releases/download/rubyinstaller-head/rubyinstaller-head-x64.7z"

yarn.lock

@@ -283,9 +283,9 @@ balanced-match@^1.0.0:
   integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
 
 brace-expansion@^1.1.7:
-  version "1.1.11"
+  version "1.1.12"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.12.tgz#ab9b454466e5a8cc3a187beaad580412a9c5b843"
-  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  integrity sha512-9T9UjW3r0UW5c1Q7GTwllptXwhvYmEzFhzMfZ9H7FQWt+uZePjZPjBP/W1ZEyZ1twGWom5/56TF4lPcqjnDHcg==
   dependencies:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
@@ -376,13 +376,14 @@ fast-xml-parser@^5.0.7:
     strnum "^2.1.0"
 
 form-data@^2.5.0:
-  version "2.5.3"
+  version "2.5.5"
-  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.5.3.tgz#f9bcf87418ce748513c0c3494bb48ec270c97acc"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.5.5.tgz#a5f6364ad7e4e67e95b4a07e2d8c6f711c74f624"
-  integrity sha512-XHIrMD0NpDrNM/Ckf7XJiBbLl57KEhT3+i3yY+eWm+cqYZJQTZrKo8Y8AWKnuV5GT4scfuUGt9LzNoIx3dU1nQ==
+  integrity sha512-jqdObeR2rxZZbPSGL+3VckHMYtu+f9//KXBsVny6JSX/pa38Fy+bGjuG8eW/H6USNQWhLi8Num++cU2yOCNz4A==
   dependencies:
     asynckit "^0.4.0"
     combined-stream "^1.0.8"
     es-set-tostringtag "^2.1.0"
+    hasown "^2.0.2"
     mime-types "^2.1.35"
     safe-buffer "^5.2.1"