Document mingw and mswin in the README

* It's not always gcc, can be e.g. clang too

.github/workflows/test.yml

@@ -1,5 +1,6 @@
 name: Test this action
 on:
+  pull_request:
   push:
     branches-ignore:
     - master
@@ -9,33 +10,38 @@ on:
     paths-ignore:
     - README.md
 jobs:
-  test:
+  common:
     strategy:
       fail-fast: false
       matrix:
         os: [ ubuntu-16.04, ubuntu-18.04, macos-latest, windows-latest ]
         # Use various version syntaxes here for testing
-        ruby: [ .ruby-version, .tool-versions, 2.2, 2.3, ruby-head, jruby, truffleruby, truffleruby-head, rubinius ]
+        ruby: [ 2.2, 2.3, .ruby-version, .tool-versions, ruby-head, jruby, jruby-head, truffleruby, truffleruby-head ]
         exclude:
         - os: windows-latest
           ruby: truffleruby
         - os: windows-latest
           ruby: truffleruby-head
-        - os: ubuntu-16.04
-          ruby: rubinius
-        - os: macos-latest
-          ruby: rubinius
-        - os: windows-latest
-          ruby: rubinius
+    name: ${{ matrix.os }} ${{ matrix.ruby }}
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
     - uses: ./
       with:
         ruby-version: ${{ matrix.ruby }}
-    - run: ruby --version
-    - run: ridk version
-      if: matrix.os == 'windows-latest' && !startsWith(matrix.ruby, 'jruby') && !startsWith(matrix.ruby, '2.3') && !startsWith(matrix.ruby, '2.2')
+    - run: ruby -v
+    - name: build compiler
+      run: |
+        ruby -e "puts 'build compiler: ' + RbConfig::CONFIG.fetch('CC_VERSION_MESSAGE', 'unknown').lines.first"
+    - name: ridk version (mingw)
+      if: matrix.os == 'windows-latest'
+      run: |
+        $abi, $plat = $(ruby -e "STDOUT.write RbConfig::CONFIG['ruby_version'] + ' ' + RUBY_PLATFORM").split(' ')
+        if (($abi -ge '2.4') -and $plat.Contains('mingw')) {
+          ridk version
+        } else {
+          echo 'ridk is unavailable'
+        }
     - name: Subprocess test
       run: ruby test_subprocess.rb
     - name: OpenSSL version
@@ -48,6 +54,61 @@ jobs:
     - run: bundle install
     - run: bundle exec rake --version
 
+  specials:
+    strategy:
+      fail-fast: false
+      matrix:
+        cfg:
+        - { ruby: rubinius, os: ubuntu-18.04   }
+        - { ruby: mingw   , os: windows-latest }
+        - { ruby: mswin   , os: windows-latest }
+    name: ${{ matrix.cfg.os }} ${{ matrix.cfg.ruby }}
+    runs-on: ${{ matrix.cfg.os }}
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ./
+      with:
+        ruby-version: ${{ matrix.cfg.ruby }}
+    - run: ruby -v
+    - name: build compiler
+      run: |
+        ruby -e "puts 'build compiler: ' + RbConfig::CONFIG.fetch('CC_VERSION_MESSAGE', 'unknown').lines.first"
+    - name: ridk version (mingw)
+      if: matrix.cfg.os == 'windows-latest'
+      run: |
+        $abi, $plat = $(ruby -e "STDOUT.write RbConfig::CONFIG['ruby_version'] + ' ' + RUBY_PLATFORM").split(' ')
+        if (($abi -ge '2.4') -and $plat.Contains('mingw')) {
+          ridk version
+        } else {
+          echo 'ridk is unavailable'
+        }
+    - name: Subprocess test
+      run: ruby test_subprocess.rb
+    - name: OpenSSL version
+      run: ruby -ropenssl -e 'puts OpenSSL::OPENSSL_LIBRARY_VERSION'
+    - name: OpenSSL test
+      run: ruby -ropen-uri -e 'puts open(%{https://rubygems.org/}) { |f| f.read(1024) }'
+    - name: C extension test
+      if: endsWith(matrix.cfg.ruby, 'mswin') == false
+      run: gem install json:2.2.0 --no-document
+    - name: C extension test (mswin cmd)
+      if: endsWith(matrix.cfg.ruby, 'mswin')
+      shell: cmd
+      run: |
+        call %VCVARS%
+        gem install json:2.2.0 --no-document
+    - name: C extension test (mswin ps1)
+      if: endsWith(matrix.cfg.ruby, 'mswin')
+      run: |
+        cmd.exe /c "$env:VCVARS && set" | Foreach-Object {
+          $p, $v = $_.split('=')
+          Set-Item -path env:$p -value $v
+        }
+        gem install json:2.2.0 --no-document
+    - run: bundle --version
+    - run: bundle install
+    - run: bundle exec rake --version
+
   lint:
     runs-on: ubuntu-latest
     steps:

README.md

@@ -1,6 +1,7 @@
 # setup-ruby
 
 Note: this action used to be at `eregon/use-ruby-action` and was moved to the `ruby` organization.
+Please [update](https://github.com/ruby/setup-ruby/releases/tag/v1.13.0) if you are using `eregon/use-ruby-action`.
 
 This action downloads a prebuilt ruby and adds it to the `PATH`.
 
@@ -16,11 +17,12 @@ This action currently supports these versions of MRI, JRuby and TruffleRuby:
 
 | Interpreter | Versions |
 | ----------- | -------- |
-| Ruby | 2.2, 2.3.0 - 2.3.8, 2.4.0 - 2.4.9, 2.5.0 - 2.5.7, 2.6.0 - 2.6.5, 2.7.0, head |
-| JRuby | 9.2.9.0 |
-| TruffleRuby | 19.3.0, 19.3.1, head |
+| Ruby | 2.2, 2.3.0 - 2.3.8, 2.4.0 - 2.4.9, 2.5.0 - 2.5.7, 2.6.0 - 2.6.5, 2.7.0, head, mingw, mswin |
+| JRuby | 9.2.9.0 - 9.2.10.0, head |
+| TruffleRuby | 19.3.0 - 20.0.0, head |
 | Rubinius | 4.14 |
 
+`mingw` and `mswin` are `ruby-head` builds using the MSYS2 and MSVC toolchains on Windows.  
 Note that Ruby ≤ 2.3 and the OpenSSL version it needs (1.0.2) are both end-of-life,
 which means Ruby ≤ 2.3 is unmaintained and considered insecure.
 On Windows, Ruby 2.4 uses OpenSSL 1.0.2, which is no longer maintained.
@@ -40,7 +42,10 @@ Rubinius is only available on `ubuntu-latest`.
 
 The prebuilt releases are generated by [ruby-builder](https://github.com/ruby/ruby-builder)
 and on Windows by [RubyInstaller2](https://github.com/oneclick/rubyinstaller2).
-`ruby-head` is generated by [ruby-dev-builder](https://github.com/ruby/ruby-dev-builder) and `truffleruby-head` is generated by [truffleruby-dev-builder](https://github.com/ruby/truffleruby-dev-builder).
+`mingw` and `mswin` builds are generated by [ruby-loco](https://github.com/MSP-Greg/ruby-loco).
+`ruby-head` is generated by [ruby-dev-builder](https://github.com/ruby/ruby-dev-builder),
+`jruby-head` is generated by [jruby-dev-builder](https://github.com/ruby/jruby-dev-builder)
+and `truffleruby-head` is generated by [truffleruby-dev-builder](https://github.com/ruby/truffleruby-dev-builder).
 The full list of available Ruby versions can be seen in [ruby-builder-versions.js](ruby-builder-versions.js)
 for Ubuntu and macOS and in [windows-versions.js](windows-versions.js) for Windows.
 
@@ -120,6 +125,7 @@ You can cache the installed gems with these two steps:
         bundle install --jobs 4 --retry 3
 ```
 
+When using a single OS, replace `${{ matrix.os }}` with the OS.  
 When using a single job with a Ruby version, replace `${{ matrix.ruby }}` with the Ruby version.  
 When using `.ruby-version`, replace `${{ matrix.ruby }}` with `${{ hashFiles('.ruby-version') }}`.  
 When using `.tool-versions`, replace `${{ matrix.ruby }}` with `${{ hashFiles('.tool-versions') }}`.

generate-windows-versions.rb

@@ -25,6 +25,8 @@ versions = entries.select { |entry|
 }.to_h
 
 versions['head'] = 'https://github.com/oneclick/rubyinstaller2/releases/download/rubyinstaller-head/rubyinstaller-head-x64.7z'
+versions['mingw'] = 'https://github.com/MSP-Greg/ruby-loco/releases/download/ruby-master/ruby-mingw.7z'
+versions['mswin'] = 'https://github.com/MSP-Greg/ruby-loco/releases/download/ruby-master/ruby-mswin.7z'
 
 js = "export const versions = #{JSON.pretty_generate(versions)}\n"
 File.write 'windows-versions.js', js

index.js

@@ -46,7 +46,7 @@ function parseRubyEngineAndVersion(rubyVersion) {
   }
 
   let engine, version
-  if (rubyVersion.match(/^\d+/)) { // X.Y.Z => ruby-X.Y.Z
+  if (rubyVersion.match(/^(\d+|head|mingw|mswin)/)) { // X.Y.Z => ruby-X.Y.Z
     engine = 'ruby'
     version = rubyVersion
   } else if (!rubyVersion.includes('-')) { // myruby -> myruby-stableVersion

package.json

@@ -26,8 +26,7 @@
     "@actions/core": "^1.1.1",
     "@actions/exec": "^1.0.1",
     "@actions/io": "^1.0.1",
-    "@actions/tool-cache": "^1.1.2",
-    "axios": "^0.19.0"
+    "@actions/tool-cache": "^1.1.2"
   },
   "devDependencies": {
     "@zeit/ncc": "^0.20.5",

ruby-builder-versions.js

@@ -10,10 +10,12 @@ export function getVersions(platform) {
       "head"
     ],
     "jruby": [
-      "9.2.9.0"
+      "9.2.9.0", "9.2.10.0",
+      "head"
     ],
     "truffleruby": [
       "19.3.0", "19.3.1",
+      "20.0.0",
       "head"
     ]
   }

ruby-builder.js

@@ -4,7 +4,6 @@ const core = require('@actions/core')
 const io = require('@actions/io')
 const tc = require('@actions/tool-cache')
 const rubyBuilderVersions = require('./ruby-builder-versions')
-const axios = require('axios')
 
 const builderReleaseTag = 'builds-no-warn'
 const releasesURL = 'https://github.com/ruby/ruby-builder/releases'
@@ -41,7 +40,7 @@ async function downloadAndExtract(platform, ruby) {
   return path.join(rubiesDir, ruby)
 }
 
-async function getDownloadURL(platform, ruby) {
+function getDownloadURL(platform, ruby) {
   if (ruby.endsWith('-head')) {
     return getLatestHeadBuildURL(platform, ruby)
   } else {
@@ -49,13 +48,7 @@ async function getDownloadURL(platform, ruby) {
   }
 }
 
-async function getLatestHeadBuildURL(platform, ruby) {
+function getLatestHeadBuildURL(platform, ruby) {
   const engine = ruby.split('-')[0]
-  const repository = `ruby/${engine}-dev-builder`
-  const metadataURL = `https://raw.githubusercontent.com/${repository}/metadata/latest_build.tag`
-  const releasesURL = `https://github.com/${repository}/releases/download`
-
-  const response = await axios.get(metadataURL)
-  const tag = response.data.trim()
-  return `${releasesURL}/${tag}/${ruby}-${platform}.tar.gz`
+  return `https://github.com/ruby/${engine}-dev-builder/releases/latest/download/${engine}-head-${platform}.tar.gz`
 }

windows-versions.js

@@ -24,5 +24,7 @@ export const versions = {
   "2.6.4": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-2.6.4-1/rubyinstaller-2.6.4-1-x64.7z",
   "2.6.5": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-2.6.5-1/rubyinstaller-2.6.5-1-x64.7z",
   "2.7.0": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-2.7.0-1/rubyinstaller-2.7.0-1-x64.7z",
-  "head": "https://github.com/oneclick/rubyinstaller2/releases/download/rubyinstaller-head/rubyinstaller-head-x64.7z"
+  "head": "https://github.com/oneclick/rubyinstaller2/releases/download/rubyinstaller-head/rubyinstaller-head-x64.7z",
+  "mingw": "https://github.com/MSP-Greg/ruby-loco/releases/download/ruby-master/ruby-mingw.7z",
+  "mswin": "https://github.com/MSP-Greg/ruby-loco/releases/download/ruby-master/ruby-mswin.7z"
 }

windows.js

@@ -33,10 +33,12 @@ export async function install(platform, ruby) {
   const rubyPrefix = `${drive}:\\${base}`
 
   const [hostedRuby, msys2] = await linkMSYS2()
-  setupPath(msys2, rubyPrefix)
+  setupPath((ruby === 'ruby-mswin' ? null : msys2), rubyPrefix)
 
   if (version.startsWith('2.2') || version.startsWith('2.3')) {
     core.exportVariable('SSL_CERT_FILE', `${hostedRuby}\\ssl\\cert.pem`)
+  } else if (version === 'mswin') {
+    setupMSWin(hostedRuby)
   }
 
   if (!fs.existsSync(`${rubyPrefix}\\bin\\bundle.cmd`)) {
@@ -46,6 +48,25 @@ export async function install(platform, ruby) {
   return rubyPrefix
 }
 
+function setupMSWin(hostedRuby) {
+  // All standard MSVC OpenSSL builds use C:\Program Files\Common Files\SSL
+  const certsDir = 'C:\\Program Files\\Common Files\\SSL\\certs'
+  if (!fs.existsSync(certsDir)) {
+    fs.mkdirSync(certsDir)
+  }
+
+  // Copy cert.pem from hosted Ruby
+  const cert = 'C:\\Program Files\\Common Files\\SSL\\cert.pem'
+  if (!fs.existsSync(cert)) {
+    const hostedCert = `${hostedRuby}\\ssl\\cert.pem`
+    fs.copyFileSync(hostedCert, cert)
+  }
+
+  // Add a convenience VCVARS environment variable to ease setting up MSVC
+  // This assumes a single Visual Studio version being available in the windows-latest image
+  core.exportVariable('VCVARS', '"C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\VC\\Auxiliary\\Build\\vcvars64.bat"')
+}
+
 async function linkMSYS2() {
   const toolCacheVersions = tc.findAllVersions('Ruby')
   toolCacheVersions.sort()
@@ -57,7 +78,9 @@ async function linkMSYS2() {
 
   const hostedMSYS2 = `${latestHostedRuby}\\msys64`
   const msys2 = 'C:\\msys64'
-  await exec.exec(`cmd /c mklink /D ${msys2} ${hostedMSYS2}`)
+  if (!fs.existsSync(msys2)) {
+    await exec.exec(`cmd /c mklink /D ${msys2} ${hostedMSYS2}`)
+  }
   return [latestHostedRuby, msys2]
 }
 

yarn.lock

@@ -108,13 +108,6 @@ astral-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-1.0.0.tgz#6c8c3fb827dd43ee3918f27b82782ab7658a6fd9"
   integrity sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==
 
-axios@^0.19.0:
-  version "0.19.2"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-0.19.2.tgz#3ea36c5d8818d0d5f8a8a97a6d36b86cdc00cb27"
-  integrity sha512-fjgm5MvRHLhx+osE2xoekY70AhARk3a6hkN+3Io1jc00jtquGvxYlKlsFUhmUET0V5te6CcZI7lcv2Ym61mjHA==
-  dependencies:
-    follow-redirects "1.5.10"
-
 balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
@@ -187,13 +180,6 @@ cross-spawn@^6.0.5:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
-debug@=3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
-  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
-  dependencies:
-    ms "2.0.0"
-
 debug@^4.0.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
@@ -381,13 +367,6 @@ flatted@^2.0.0:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-2.0.1.tgz#69e57caa8f0eacbc281d2e2cb458d46fdb449e08"
   integrity sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg==
 
-follow-redirects@1.5.10:
-  version "1.5.10"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.5.10.tgz#7b7a9f9aea2fdff36786a94ff643ed07f4ff5e2a"
-  integrity sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==
-  dependencies:
-    debug "=3.1.0"
-
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -578,11 +557,6 @@ mkdirp@^0.5.1:
   dependencies:
     minimist "0.0.8"
 
-ms@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
-  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
-
 ms@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"