Add support for macos-12

Author: eregon

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-18.04, ubuntu-20.04, macos-10.15, macos-11.0, windows-2019, windows-2022 ]
+        os: [ ubuntu-18.04, ubuntu-20.04, macos-10.15, macos-11, macos-12, windows-2019, windows-2022 ]
         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: ubuntu-22.04, ruby: '3.1.0' }

README.md

@@ -39,8 +39,8 @@ The action works on these [GitHub-hosted runners](https://help.github.com/en/act
 
 | Operating System | Recommended | Other Supported Versions |
 | ----------- | -------- | -------- |
-| Ubuntu  | `ubuntu-latest`  (= `ubuntu-20.04`) | `ubuntu-18.04` |
-| macOS   | `macos-latest`   (= `macos-10.15`)  | `macos-11.0` |
+| Ubuntu  | `ubuntu-latest`  (= `ubuntu-20.04`) | `ubuntu-18.04`, `ubuntu-22.04` (beta, only `ruby: 3.1 - head`) |
+| macOS   | `macos-latest`   (= `macos-11`)  | `macos-10.15`, `macos-12` (beta) |
 | Windows | `windows-latest` (= `windows-2022`) | `windows-2019` |
 
 On `ubuntu-22.04` (beta), only `ruby: 3.1 - head` are supported, due to Ubuntu 22.04 only supporting OpenSSL 3.

common.js

@@ -103,7 +103,8 @@ export const supportedPlatforms = [
   'ubuntu-20.04',
   'ubuntu-22.04',
   'macos-10.15',
-  'macos-11.0',
+  'macos-11',
+  'macos-12',
   'windows-2019',
   'windows-2022',
 ]
@@ -118,7 +119,11 @@ export function getVirtualEnvironmentName() {
 
   match = imageOS.match(/^macos(\d{2})(\d+)?/) // e.g. macos1015, macos11
   if (match) {
-    return `macos-${match[1]}.${match[2] || '0'}`
+    if (match[2]) {
+      return `macos-${match[1]}.${match[2]}`
+    } else {
+      return `macos-${match[1]}`
+    }
   }
 
   match = imageOS.match(/^win(\d+)/) // e.g. win19