Bump pnpm/action-setup from 4 to 6

Bumps [pnpm/action-setup](https://github.com/pnpm/action-setup) from 4 to 6.
- [Release notes](https://github.com/pnpm/action-setup/releases)
- [Commits](https://github.com/pnpm/action-setup/compare/v4...v6)

---
updated-dependencies:
- dependency-name: pnpm/action-setup
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/e2e-cache.yml

@@ -46,7 +46,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Install pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@v6
         with:
           version: 6.10.0
       - name: Generate pnpm file

dist/cache-save/index.js

@@ -71556,14 +71556,6 @@ const cachePackages = async (packageManager) => {
         core.debug(`Caching for '${packageManager}' is not supported`);
         return;
     }
-    // Check if the package manager is installed before attempting to save cache
-    // This prevents cache save failures for package managers that may not be installed
-    const isInstalled = await (0, cache_utils_1.isPackageManagerInstalled)(packageManager);
-    if (!isInstalled) {
-        core.warning(`Package manager '${packageManager}' was not found in the PATH. ` +
-            `Skipping cache save.`);
-        return;
-    }
     if (!cachePaths.length) {
         // TODO: core.getInput has a bug - it can return undefined despite its definition (tests only?)
         //       export declare function getInput(name: string, options?: InputOptions): string;
@@ -71627,7 +71619,7 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.repoHasYarnBerryManagedDependencies = exports.getCacheDirectories = exports.resetProjectDirectoriesMemoized = exports.isPackageManagerInstalled = exports.getPackageManagerInfo = exports.getCommandOutputNotEmpty = exports.getCommandOutput = exports.supportedPackageManagers = void 0;
+exports.repoHasYarnBerryManagedDependencies = exports.getCacheDirectories = exports.resetProjectDirectoriesMemoized = exports.getPackageManagerInfo = exports.getCommandOutputNotEmpty = exports.getCommandOutput = exports.supportedPackageManagers = void 0;
 exports.isGhes = isGhes;
 exports.isCacheFeatureAvailable = isCacheFeatureAvailable;
 const core = __importStar(__nccwpck_require__(37484));
@@ -71698,25 +71690,6 @@ const getPackageManagerInfo = async (packageManager) => {
     }
 };
 exports.getPackageManagerInfo = getPackageManagerInfo;
-/**
- * Checks if a package manager is installed and available on the PATH
- * This helps prevent cache failures when a package manager is specified
- * but not yet installed (e.g., pnpm via corepack)
- * See: https://github.com/actions/setup-node/issues/1357
- */
-const isPackageManagerInstalled = async (packageManager) => {
-    try {
-        const { exitCode } = await exec.getExecOutput(`${packageManager} --version`, undefined, {
-            ignoreReturnCode: true,
-            silent: true
-        });
-        return exitCode === 0;
-    }
-    catch {
-        return false;
-    }
-};
-exports.isPackageManagerInstalled = isPackageManagerInstalled;
 /**
  * getProjectDirectoriesFromCacheDependencyPath is called twice during `restoreCache`
  *  - first through `getCacheDirectories`

dist/setup/index.js

@@ -81168,16 +81168,6 @@ const restoreCache = async (packageManager, cacheDependencyPath) => {
     if (!packageManagerInfo) {
         throw new Error(`Caching for '${packageManager}' is not supported`);
     }
-    // Check if the package manager is installed before attempting to cache
-    // This prevents cache failures for package managers that need to be installed first
-    // See: https://github.com/actions/setup-node/issues/1357
-    const isInstalled = await (0, cache_utils_1.isPackageManagerInstalled)(packageManager);
-    if (!isInstalled) {
-        core.warning(`Package manager '${packageManager}' was not found in the PATH. ` +
-            `Skipping cache restore. Please ensure the package manager is installed ` +
-            `before running this action or set 'package-manager-cache: false' to disable caching.`);
-        return;
-    }
     const platform = process.env.RUNNER_OS;
     const arch = os_1.default.arch();
     const cachePaths = await (0, cache_utils_1.getCacheDirectories)(packageManagerInfo, cacheDependencyPath);
@@ -81267,7 +81257,7 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.repoHasYarnBerryManagedDependencies = exports.getCacheDirectories = exports.resetProjectDirectoriesMemoized = exports.isPackageManagerInstalled = exports.getPackageManagerInfo = exports.getCommandOutputNotEmpty = exports.getCommandOutput = exports.supportedPackageManagers = void 0;
+exports.repoHasYarnBerryManagedDependencies = exports.getCacheDirectories = exports.resetProjectDirectoriesMemoized = exports.getPackageManagerInfo = exports.getCommandOutputNotEmpty = exports.getCommandOutput = exports.supportedPackageManagers = void 0;
 exports.isGhes = isGhes;
 exports.isCacheFeatureAvailable = isCacheFeatureAvailable;
 const core = __importStar(__nccwpck_require__(37484));
@@ -81338,25 +81328,6 @@ const getPackageManagerInfo = async (packageManager) => {
     }
 };
 exports.getPackageManagerInfo = getPackageManagerInfo;
-/**
- * Checks if a package manager is installed and available on the PATH
- * This helps prevent cache failures when a package manager is specified
- * but not yet installed (e.g., pnpm via corepack)
- * See: https://github.com/actions/setup-node/issues/1357
- */
-const isPackageManagerInstalled = async (packageManager) => {
-    try {
-        const { exitCode } = await exec.getExecOutput(`${packageManager} --version`, undefined, {
-            ignoreReturnCode: true,
-            silent: true
-        });
-        return exitCode === 0;
-    }
-    catch {
-        return false;
-    }
-};
-exports.isPackageManagerInstalled = isPackageManagerInstalled;
 /**
  * getProjectDirectoriesFromCacheDependencyPath is called twice during `restoreCache`
  *  - first through `getCacheDirectories`

src/cache-restore.ts

@@ -9,7 +9,6 @@ import {State} from './constants';
 import {
   getCacheDirectories,
   getPackageManagerInfo,
-  isPackageManagerInstalled,
   repoHasYarnBerryManagedDependencies,
   PackageManagerInfo
 } from './cache-utils';
@@ -22,20 +21,6 @@ export const restoreCache = async (
   if (!packageManagerInfo) {
     throw new Error(`Caching for '${packageManager}' is not supported`);
   }
-
-  // Check if the package manager is installed before attempting to cache
-  // This prevents cache failures for package managers that need to be installed first
-  // See: https://github.com/actions/setup-node/issues/1357
-  const isInstalled = await isPackageManagerInstalled(packageManager);
-  if (!isInstalled) {
-    core.warning(
-      `Package manager '${packageManager}' was not found in the PATH. ` +
-        `Skipping cache restore. Please ensure the package manager is installed ` +
-        `before running this action or set 'package-manager-cache: false' to disable caching.`
-    );
-    return;
-  }
-
   const platform = process.env.RUNNER_OS;
   const arch = os.arch();
 

src/cache-save.ts

@@ -2,7 +2,7 @@ import * as core from '@actions/core';
 import * as cache from '@actions/cache';
 
 import {State} from './constants';
-import {getPackageManagerInfo, isPackageManagerInstalled} from './cache-utils';
+import {getPackageManagerInfo} from './cache-utils';
 
 // Catch and log any unhandled exceptions.  These exceptions can leak out of the uploadChunk method in
 // @actions/toolkit when a failed upload closes the file descriptor causing any in-process reads to
@@ -45,17 +45,6 @@ const cachePackages = async (packageManager: string) => {
     return;
   }
 
-  // Check if the package manager is installed before attempting to save cache
-  // This prevents cache save failures for package managers that may not be installed
-  const isInstalled = await isPackageManagerInstalled(packageManager);
-  if (!isInstalled) {
-    core.warning(
-      `Package manager '${packageManager}' was not found in the PATH. ` +
-        `Skipping cache save.`
-    );
-    return;
-  }
-
   if (!cachePaths.length) {
     // TODO: core.getInput has a bug - it can return undefined despite its definition (tests only?)
     //       export declare function getInput(name: string, options?: InputOptions): string;

src/cache-utils.ts

@@ -110,30 +110,6 @@ export const getPackageManagerInfo = async (packageManager: string) => {
   }
 };
 
-/**
- * Checks if a package manager is installed and available on the PATH
- * This helps prevent cache failures when a package manager is specified
- * but not yet installed (e.g., pnpm via corepack)
- * See: https://github.com/actions/setup-node/issues/1357
- */
-export const isPackageManagerInstalled = async (
-  packageManager: string
-): Promise<boolean> => {
-  try {
-    const {exitCode} = await exec.getExecOutput(
-      `${packageManager} --version`,
-      undefined,
-      {
-        ignoreReturnCode: true,
-        silent: true
-      }
-    );
-    return exitCode === 0;
-  } catch {
-    return false;
-  }
-};
-
 /**
  * getProjectDirectoriesFromCacheDependencyPath is called twice during `restoreCache`
  *  - first through `getCacheDirectories`