Test Ruby 4.0 previews

* As https://nodejs.org/api/os.html#oscpus says:
  os.cpus().length should not be used to calculate the amount of parallelism available to an application. Use os.availableParallelism() for this purpose.

.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-13, 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,
-          jruby, jruby-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-9.4, jruby, jruby-head,
           truffleruby, truffleruby-head,
           truffleruby+graalvm, truffleruby+graalvm-head
         ]
@@ -79,6 +79,10 @@ jobs:
         - { 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 }
@@ -195,8 +199,7 @@ 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') && matrix.ruby == 'jruby'
+      if: startsWith(matrix.os, 'windows') && startsWith(matrix.ruby, 'jruby')
       run: gem install sassc
 
   testDotRubyVersion:
@@ -403,19 +406,6 @@ jobs:
           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@v5
-      - uses: ./
-        with:
-          ruby-version: truffleruby-head
-          bundler-cache: true
-      - run: bundle list | grep nokogiri
-
   testWindowsToolchain:
     name: "Test windows-toolchain: none"
     runs-on: windows-latest

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 - 10.0.2.0, head |
-| `truffleruby` | 19.3.0 - 24.2.1, head |
-| `truffleruby+graalvm` | 21.2.0 - 24.2.1, head |
+| `truffleruby` | 19.3.0 - 25.0.0, 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`).
 
@@ -76,7 +76,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: '3.4' # Not needed with a .ruby-version, .tool-versions or mise.toml
@@ -101,7 +101,7 @@ jobs:
         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 }}
@@ -124,7 +124,7 @@ 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: '3.4'

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
 
@@ -175,7 +166,8 @@ export async function bundleInstall(gemfile, lockFile, platform, engine, rubyVer
     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]
@@ -202,8 +194,10 @@ 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 (!common.isExactCacheKeyMatch(key, cachedKey)) {

gemfiles/nokogiri.gemfile

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

index.js

@@ -99,11 +99,6 @@ export async function setupRuby(options = {}) {
   if (inputs['bundler-cache'] === 'true') {
     await common.time('bundle install', async () =>
       bundler.bundleInstall(gemfile, lockFile, platform, engine, version, bundlerVersion, inputs['cache-version']))
-
-    if (lockFile !== null && fs.existsSync(lockFile)) {
-      await core.group(`Print lockfile`, async () =>
-        await exec.exec('cat', [lockFile]))
-    }
   }
 
   core.setOutput('ruby-prefix', rubyPrefix)

ruby-builder-versions.json

@@ -12,16 +12,17 @@
     "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", "3.2.9",
-    "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", "3.3.9",
-    "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",
+    "3.3.0-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", "3.4.6", "3.4.7",
     "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", "10.0.2.0",
     "head"
   ],
@@ -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-latest'
-    } else if (os.arch() === 'arm64') {
-      builderPlatform = 'windows-arm64'
-    }
+    builderPlatform = `windows-${os.arch()}`
   } else if (platform.startsWith('macos-')) {
-    if (os.arch() === 'x64') {
-      builderPlatform = 'macos-latest'
-    } else if (os.arch() === 'arm64') {
-      builderPlatform = 'macos-13-arm64'
-    }
+    builderPlatform = `darwin-${os.arch()}`
   } else if (platform.startsWith('ubuntu-')) {
-    if (os.arch() === 'x64') {
-      builderPlatform = platform
-    } else if (os.arch() === 'arm64') {
-      builderPlatform = `${platform}-arm64`
-    }
+    builderPlatform = `${platform}-${os.arch()}`
   }
 
-  if (builderPlatform === null) {
-    throw new Error(`Unknown download URL for platform ${platform}`)
+  if (builderPlatform === null || !['x64', 'arm64'].includes(os.arch())) {
+    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

@@ -236,6 +236,9 @@
   "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"
@@ -256,6 +259,14 @@
     "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

@@ -236,6 +236,9 @@
   "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"
@@ -256,6 +259,14 @@
     "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"