Test 3.1 too

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-18.04, ubuntu-20.04, macos-10.15, macos-11.0, windows-2016, windows-2019 ]
-        ruby: [ 1.9, '2.0', 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, '3.0', ruby-head, jruby, jruby-head, truffleruby, truffleruby-head, truffleruby+graalvm, truffleruby+graalvm-head ]
+        ruby: [ 1.9, '2.0', 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, '3.0', 3.1, ruby-head, jruby, jruby-head, truffleruby, truffleruby-head, truffleruby+graalvm, truffleruby+graalvm-head ]
         include:
         - { os: windows-2016, ruby: mingw }
         - { os: windows-2019, ruby: mingw }

CONTRIBUTING.md

@@ -19,3 +19,7 @@ It is recommended to add this as a `git` `pre-commit` hook:
 ```bash
 $ cp pre-commit .git/hooks/pre-commit
 ```
+
+## Adding a new Ruby version
+
+Add the new version in `ruby-builder-versions.js` and update the README.

README.md

@@ -14,7 +14,7 @@ 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 3.0.2, head, debug, mingw, mswin |
+| `ruby` | 1.9.3, 2.0.0, 2.1.9, 2.2, all versions from 2.3.0 until 3.1.0-preview1, head, debug, mingw, mswin |
 | `jruby` | 9.1.17.0 - 9.3.1.0, head |
 | `truffleruby` | 19.3.0 - 21.3.0, head |
 | `truffleruby+graalvm` | 21.2.0 - 21.3.0, head |

dist/index.js

@@ -58777,11 +58777,12 @@ function getVersions(platform) {
       "2.6.0", "2.6.1", "2.6.2", "2.6.3", "2.6.4", "2.6.5", "2.6.6", "2.6.7", "2.6.8",
       "2.7.0", "2.7.1", "2.7.2", "2.7.3", "2.7.4",
       "3.0.0-preview1", "3.0.0-preview2", "3.0.0-rc1", "3.0.0", "3.0.1", "3.0.2",
+      "3.1.0-preview1",
       "head", "debug"
     ],
     "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",
+      "9.2.9.0", "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",
       "9.3.0.0", "9.3.1.0",
       "head"
     ],

ruby-builder-versions.js

@@ -11,11 +11,12 @@ export function getVersions(platform) {
       "2.6.0", "2.6.1", "2.6.2", "2.6.3", "2.6.4", "2.6.5", "2.6.6", "2.6.7", "2.6.8",
       "2.7.0", "2.7.1", "2.7.2", "2.7.3", "2.7.4",
       "3.0.0-preview1", "3.0.0-preview2", "3.0.0-rc1", "3.0.0", "3.0.1", "3.0.2",
+      "3.1.0-preview1",
       "head", "debug"
     ],
     "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",
+      "9.2.9.0", "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",
       "9.3.0.0", "9.3.1.0",
       "head"
     ],