feat: allow specifying a version

__tests__/main.test.ts

@@ -301,10 +301,28 @@ describe('main tests', () => {
       );
     });
 
-    it('should enable corepack when input is "true"', async () => {
+    it('should install latest corepack when input is "true"', async () => {
       inputs['corepack'] = 'true';
       await main.run();
-      expect(getCommandOutputSpy).toHaveBeenCalledWith('npm i -g corepack');
+      expect(getCommandOutputSpy).toHaveBeenCalledWith(
+        'npm i -g corepack@latest'
+      );
+    });
+
+    it('should install latest corepack when input is "latest"', async () => {
+      inputs['corepack'] = 'latest';
+      await main.run();
+      expect(getCommandOutputSpy).toHaveBeenCalledWith(
+        'npm i -g corepack@latest'
+      );
+    });
+
+    it('should install a specific version of corepack when specified', async () => {
+      inputs['corepack'] = '0.32.0';
+      await main.run();
+      expect(getCommandOutputSpy).toHaveBeenCalledWith(
+        'npm i -g corepack@0.32.0'
+      );
     });
   });
 });

action.yml

@@ -26,7 +26,7 @@ inputs:
   cache-dependency-path:
     description: 'Used to specify the path to a dependency file: package-lock.json, yarn.lock, etc. Supports wildcards or a list of file names for caching multiple dependencies.'
   corepack:
-    description: 'Enables Corepack which allows the use of other package managers.'
+    description: 'Enables Corepack which allows the use of other package managers. Can provide a version string to install a specific version.'
     default: 'false'
 # TODO: add input to control forcing to pull from cloud or dist.
 #       escape valve for someone having issues or needing the absolute latest which isn't cached yet

dist/cache-save/index.js

@@ -88341,7 +88341,8 @@ exports.unique = unique;
 function enableCorepack(input) {
     return __awaiter(this, void 0, void 0, function* () {
         if (input.length && input !== 'false') {
-            yield (0, cache_utils_1.getCommandOutput)('npm i -g corepack');
+            const version = input === 'true' ? 'latest' : input;
+            yield (0, cache_utils_1.getCommandOutput)(`npm i -g corepack@${version}`);
         }
     });
 }

dist/setup/index.js

@@ -98019,7 +98019,8 @@ exports.unique = unique;
 function enableCorepack(input) {
     return __awaiter(this, void 0, void 0, function* () {
         if (input.length && input !== 'false') {
-            yield (0, cache_utils_1.getCommandOutput)('npm i -g corepack');
+            const version = input === 'true' ? 'latest' : input;
+            yield (0, cache_utils_1.getCommandOutput)(`npm i -g corepack@${version}`);
         }
     });
 }

docs/advanced-usage.md

@@ -432,3 +432,16 @@ steps:
 - name: Install dependencies
   run: yarn install --immutable
 ```
+
+You can also pass a version string to install a specific version of corepack.
+
+```yaml
+steps:
+- uses: actions/checkout@v4
+- uses: actions/setup-node@v4
+  with:
+    node-version: '18.x'
+    corepack: '0.32.0'
+- name: Install dependencies
+  run: yarn install --immutable
+```

src/util.ts

@@ -110,6 +110,7 @@ export const unique = () => {
 
 export async function enableCorepack(input: string): Promise<void> {
   if (input.length && input !== 'false') {
-    await getCommandOutput('npm i -g corepack');
+    const version = input === 'true' ? 'latest' : input;
+    await getCommandOutput(`npm i -g corepack@${version}`);
   }
 }