scope down to just macos support for now

Author: craig-day

.github/workflows/main.yml

@@ -9,7 +9,6 @@ jobs:
         os:
           - ubuntu-latest
           - macos-latest
-          - windows-latest
         version:
           - 1.29.0
           - latest

README.md

@@ -9,8 +9,6 @@ This will add the following executables to your `PATH`, making them available fo
 - `dhall-to-yaml`
 - `json-to-dhall`
 
-**Note:** Currently this only supports the `ubuntu-` runtimes for actions. See [TODO](#todo) below.
-
 ### Inputs
 
 #### `version`
@@ -46,6 +44,6 @@ jobs:
 
 ### TODO
 
-- [ ] Add platform validation on action to fail early if a non-ubuntu runner is used
-- [ ] Add support for the macOS runner
+- [x] Add platform validation on action to fail early if an unsupported runner is used
+- [x] Add support for the macOS runner
 - [ ] Add support for the Windows runner

src/action.js

@@ -15,9 +15,6 @@ const releasePatterns = () => {
     case 'darwin':
       platformSuffix = 'macos'
       break
-    case 'win32':
-      platformSuffix = 'windows'
-      break
     default:
       core.setFailed(`Unknown or unsuppored platform: ${platform}`)
       return