Update cache

* Add check-dist.yml

* Fix triggers in licensed.yml

* fix workflow for this repo

.github/workflows/check-dist.yml

@@ -0,0 +1,52 @@
+# `dist/index.js` is a special file in Actions.
+# When you reference an action with `uses:` in a workflow,
+# `index.js` is the code that will run.
+# For our project, we generate this file through a build process
+# from other source files.
+# We need to make sure the checked-in `index.js` actually matches what we expect it to be.
+name: Check dist/
+
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+  workflow_dispatch:
+
+jobs:
+  check-dist:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set Node.js 12.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Rebuild the dist/ directory
+        run: npm run build
+
+      - name: Compare the expected and actual dist/ directories
+        run: |
+          if [ "$(git diff --ignore-space-at-eol dist/ | wc -l)" -gt "0" ]; then
+            echo "Detected uncommitted changes after build.  See status below:"
+            git diff
+            exit 1
+          fi
+        id: diff
+
+      # If index.js was different than expected, upload the expected version as an artifact
+      - uses: actions/upload-artifact@v2
+        if: ${{ failure() && steps.diff.conclusion == 'failure' }}
+        with:
+          name: dist
+          path: dist/

.github/workflows/licensed.yml

@@ -1,8 +1,12 @@
 name: Licensed
 
 on:
-  push: {branches: main}
-  pull_request: {branches: main}
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
 
 jobs:
   test:

.github/workflows/workflow.yml

@@ -47,17 +47,6 @@ jobs:
       run: npm run lint
     - name: Build & Test
       run: npm run test
-    - name: Ensure dist/ folder is up-to-date
-      if: ${{ runner.os == 'Linux' }}
-      shell: bash
-      run: |
-        npm run build
-        if [ "$(git diff --ignore-space-at-eol | wc -l)" -gt "0" ]; then
-          echo "Detected uncommitted changes after build.  See status below:"
-          git diff
-          exit 1
-        fi
-        
 
   # End to end save and restore
   test-save:

.licenses/npm/@actions/io.dep.yml

@@ -1,30 +1,20 @@
 ---
 name: "@actions/io"
-version: 1.0.2
+version: 1.1.0
 type: npm
 summary: Actions io lib
-homepage: https://github.com/actions/toolkit/tree/master/packages/io
+homepage: https://github.com/actions/toolkit/tree/main/packages/io
 license: mit
 licenses:
-- sources: Auto-generated MIT license text
-  text: |
-    MIT License
+- sources: LICENSE.md
+  text: |-
+    The MIT License (MIT)
 
-    Permission is hereby granted, free of charge, to any person obtaining a copy
-    of this software and associated documentation files (the "Software"), to deal
-    in the Software without restriction, including without limitation the rights
-    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-    copies of the Software, and to permit persons to whom the Software is
-    furnished to do so, subject to the following conditions:
+    Copyright 2019 GitHub
 
-    The above copyright notice and this permission notice shall be included in all
-    copies or substantial portions of the Software.
+    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-    SOFTWARE.
+    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 notices: []

.licenses/npm/@types/node.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@types/node"
-version: 12.12.40
+version: 12.20.7
 type: npm
 summary: TypeScript definitions for Node.js
 homepage: https://github.com/DefinitelyTyped/DefinitelyTyped#readme

__tests__/restore.test.ts

@@ -68,7 +68,7 @@ test("restore on GHES should no-op", async () => {
     expect(setCacheHitOutputMock).toHaveBeenCalledTimes(1);
     expect(setCacheHitOutputMock).toHaveBeenCalledWith(false);
     expect(logWarningMock).toHaveBeenCalledWith(
-        "Cache action is not supported on GHES"
+        "Cache action is not supported on GHES. See https://github.com/actions/cache/issues/505 for more details"
     );
 });
 

__tests__/save.test.ts

@@ -111,7 +111,7 @@ test("save on GHES should no-op", async () => {
 
     expect(saveCacheMock).toHaveBeenCalledTimes(0);
     expect(logWarningMock).toHaveBeenCalledWith(
-        "Cache action is not supported on GHES"
+        "Cache action is not supported on GHES. See https://github.com/actions/cache/issues/505 for more details"
     );
 });
 
@@ -137,7 +137,7 @@ test("save with exact match returns early", async () => {
 
     expect(saveCacheMock).toHaveBeenCalledTimes(0);
     expect(infoMock).toHaveBeenCalledWith(
-        `Cache hit occurred on the primary key ${primaryKey}, not saving cache.`
+        `Cache hit occurred on the primary key ${primaryKey}, updating cache.`
     );
     expect(failedMock).toHaveBeenCalledTimes(0);
 });

dist/restore/index.js

@@ -57,11 +57,18 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
+    result["default"] = mod;
+    return result;
+};
 Object.defineProperty(exports, "__esModule", { value: true });
-const childProcess = __webpack_require__(129);
-const path = __webpack_require__(622);
+const childProcess = __importStar(__webpack_require__(129));
+const path = __importStar(__webpack_require__(622));
 const util_1 = __webpack_require__(669);
-const ioUtil = __webpack_require__(672);
+const ioUtil = __importStar(__webpack_require__(672));
 const exec = util_1.promisify(childProcess.exec);
 /**
  * Copies a file or folder.
@@ -229,58 +236,73 @@ function which(tool, check) {
                     throw new Error(`Unable to locate executable file: ${tool}. Please verify either the file path exists or the file can be found within a directory specified by the PATH environment variable. Also check the file mode to verify the file is executable.`);
                 }
             }
+            return result;
         }
-        try {
-            // build the list of extensions to try
-            const extensions = [];
-            if (ioUtil.IS_WINDOWS && process.env.PATHEXT) {
-                for (const extension of process.env.PATHEXT.split(path.delimiter)) {
-                    if (extension) {
-                        extensions.push(extension);
-                    }
-                }
-            }
-            // if it's rooted, return it if exists. otherwise return empty.
-            if (ioUtil.isRooted(tool)) {
-                const filePath = yield ioUtil.tryGetExecutablePath(tool, extensions);
-                if (filePath) {
-                    return filePath;
-                }
-                return '';
-            }
-            // if any path separators, return empty
-            if (tool.includes('/') || (ioUtil.IS_WINDOWS && tool.includes('\\'))) {
-                return '';
-            }
-            // build the list of directories
-            //
-            // Note, technically "where" checks the current directory on Windows. From a toolkit perspective,
-            // it feels like we should not do this. Checking the current directory seems like more of a use
-            // case of a shell, and the which() function exposed by the toolkit should strive for consistency
-            // across platforms.
-            const directories = [];
-            if (process.env.PATH) {
-                for (const p of process.env.PATH.split(path.delimiter)) {
-                    if (p) {
-                        directories.push(p);
-                    }
-                }
-            }
-            // return the first match
-            for (const directory of directories) {
-                const filePath = yield ioUtil.tryGetExecutablePath(directory + path.sep + tool, extensions);
-                if (filePath) {
-                    return filePath;
-                }
-            }
-            return '';
-        }
-        catch (err) {
-            throw new Error(`which failed with message ${err.message}`);
+        const matches = yield findInPath(tool);
+        if (matches && matches.length > 0) {
+            return matches[0];
         }
+        return '';
     });
 }
 exports.which = which;
+/**
+ * Returns a list of all occurrences of the given tool on the system path.
+ *
+ * @returns   Promise<string[]>  the paths of the tool
+ */
+function findInPath(tool) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (!tool) {
+            throw new Error("parameter 'tool' is required");
+        }
+        // build the list of extensions to try
+        const extensions = [];
+        if (ioUtil.IS_WINDOWS && process.env['PATHEXT']) {
+            for (const extension of process.env['PATHEXT'].split(path.delimiter)) {
+                if (extension) {
+                    extensions.push(extension);
+                }
+            }
+        }
+        // if it's rooted, return it if exists. otherwise return empty.
+        if (ioUtil.isRooted(tool)) {
+            const filePath = yield ioUtil.tryGetExecutablePath(tool, extensions);
+            if (filePath) {
+                return [filePath];
+            }
+            return [];
+        }
+        // if any path separators, return empty
+        if (tool.includes(path.sep)) {
+            return [];
+        }
+        // build the list of directories
+        //
+        // Note, technically "where" checks the current directory on Windows. From a toolkit perspective,
+        // it feels like we should not do this. Checking the current directory seems like more of a use
+        // case of a shell, and the which() function exposed by the toolkit should strive for consistency
+        // across platforms.
+        const directories = [];
+        if (process.env.PATH) {
+            for (const p of process.env.PATH.split(path.delimiter)) {
+                if (p) {
+                    directories.push(p);
+                }
+            }
+        }
+        // find all matches
+        const matches = [];
+        for (const directory of directories) {
+            const filePath = yield ioUtil.tryGetExecutablePath(path.join(directory, tool), extensions);
+            if (filePath) {
+                matches.push(filePath);
+            }
+        }
+        return matches;
+    });
+}
+exports.findInPath = findInPath;
 function readCopyOptions(options) {
     const force = options.force == null ? true : options.force;
     const recursive = Boolean(options.recursive);
@@ -38685,7 +38707,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
@@ -46870,11 +46892,18 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
+    result["default"] = mod;
+    return result;
+};
 var _a;
 Object.defineProperty(exports, "__esModule", { value: true });
 const assert_1 = __webpack_require__(357);
-const fs = __webpack_require__(747);
-const path = __webpack_require__(622);
+const fs = __importStar(__webpack_require__(747));
+const path = __importStar(__webpack_require__(622));
 _a = fs.promises, exports.chmod = _a.chmod, exports.copyFile = _a.copyFile, exports.lstat = _a.lstat, exports.mkdir = _a.mkdir, exports.readdir = _a.readdir, exports.readlink = _a.readlink, exports.rename = _a.rename, exports.rmdir = _a.rmdir, exports.stat = _a.stat, exports.symlink = _a.symlink, exports.unlink = _a.unlink;
 exports.IS_WINDOWS = process.platform === 'win32';
 function exists(fsPath) {
@@ -49167,7 +49196,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
@@ -49189,7 +49218,7 @@ function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
             if (utils.isGhes()) {
-                utils.logWarning("Cache action is not supported on GHES");
+                utils.logWarning("Cache action is not supported on GHES. See https://github.com/actions/cache/issues/505 for more details");
                 utils.setCacheHitOutput(false);
                 return;
             }

dist/save/index.js

@@ -57,11 +57,18 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
+    result["default"] = mod;
+    return result;
+};
 Object.defineProperty(exports, "__esModule", { value: true });
-const childProcess = __webpack_require__(129);
-const path = __webpack_require__(622);
+const childProcess = __importStar(__webpack_require__(129));
+const path = __importStar(__webpack_require__(622));
 const util_1 = __webpack_require__(669);
-const ioUtil = __webpack_require__(672);
+const ioUtil = __importStar(__webpack_require__(672));
 const exec = util_1.promisify(childProcess.exec);
 /**
  * Copies a file or folder.
@@ -229,58 +236,73 @@ function which(tool, check) {
                     throw new Error(`Unable to locate executable file: ${tool}. Please verify either the file path exists or the file can be found within a directory specified by the PATH environment variable. Also check the file mode to verify the file is executable.`);
                 }
             }
+            return result;
         }
-        try {
-            // build the list of extensions to try
-            const extensions = [];
-            if (ioUtil.IS_WINDOWS && process.env.PATHEXT) {
-                for (const extension of process.env.PATHEXT.split(path.delimiter)) {
-                    if (extension) {
-                        extensions.push(extension);
-                    }
-                }
-            }
-            // if it's rooted, return it if exists. otherwise return empty.
-            if (ioUtil.isRooted(tool)) {
-                const filePath = yield ioUtil.tryGetExecutablePath(tool, extensions);
-                if (filePath) {
-                    return filePath;
-                }
-                return '';
-            }
-            // if any path separators, return empty
-            if (tool.includes('/') || (ioUtil.IS_WINDOWS && tool.includes('\\'))) {
-                return '';
-            }
-            // build the list of directories
-            //
-            // Note, technically "where" checks the current directory on Windows. From a toolkit perspective,
-            // it feels like we should not do this. Checking the current directory seems like more of a use
-            // case of a shell, and the which() function exposed by the toolkit should strive for consistency
-            // across platforms.
-            const directories = [];
-            if (process.env.PATH) {
-                for (const p of process.env.PATH.split(path.delimiter)) {
-                    if (p) {
-                        directories.push(p);
-                    }
-                }
-            }
-            // return the first match
-            for (const directory of directories) {
-                const filePath = yield ioUtil.tryGetExecutablePath(directory + path.sep + tool, extensions);
-                if (filePath) {
-                    return filePath;
-                }
-            }
-            return '';
-        }
-        catch (err) {
-            throw new Error(`which failed with message ${err.message}`);
+        const matches = yield findInPath(tool);
+        if (matches && matches.length > 0) {
+            return matches[0];
         }
+        return '';
     });
 }
 exports.which = which;
+/**
+ * Returns a list of all occurrences of the given tool on the system path.
+ *
+ * @returns   Promise<string[]>  the paths of the tool
+ */
+function findInPath(tool) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (!tool) {
+            throw new Error("parameter 'tool' is required");
+        }
+        // build the list of extensions to try
+        const extensions = [];
+        if (ioUtil.IS_WINDOWS && process.env['PATHEXT']) {
+            for (const extension of process.env['PATHEXT'].split(path.delimiter)) {
+                if (extension) {
+                    extensions.push(extension);
+                }
+            }
+        }
+        // if it's rooted, return it if exists. otherwise return empty.
+        if (ioUtil.isRooted(tool)) {
+            const filePath = yield ioUtil.tryGetExecutablePath(tool, extensions);
+            if (filePath) {
+                return [filePath];
+            }
+            return [];
+        }
+        // if any path separators, return empty
+        if (tool.includes(path.sep)) {
+            return [];
+        }
+        // build the list of directories
+        //
+        // Note, technically "where" checks the current directory on Windows. From a toolkit perspective,
+        // it feels like we should not do this. Checking the current directory seems like more of a use
+        // case of a shell, and the which() function exposed by the toolkit should strive for consistency
+        // across platforms.
+        const directories = [];
+        if (process.env.PATH) {
+            for (const p of process.env.PATH.split(path.delimiter)) {
+                if (p) {
+                    directories.push(p);
+                }
+            }
+        }
+        // find all matches
+        const matches = [];
+        for (const directory of directories) {
+            const filePath = yield ioUtil.tryGetExecutablePath(path.join(directory, tool), extensions);
+            if (filePath) {
+                matches.push(filePath);
+            }
+        }
+        return matches;
+    });
+}
+exports.findInPath = findInPath;
 function readCopyOptions(options) {
     const force = options.force == null ? true : options.force;
     const recursive = Boolean(options.recursive);
@@ -38685,7 +38707,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
@@ -46870,11 +46892,18 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
+    result["default"] = mod;
+    return result;
+};
 var _a;
 Object.defineProperty(exports, "__esModule", { value: true });
 const assert_1 = __webpack_require__(357);
-const fs = __webpack_require__(747);
-const path = __webpack_require__(622);
+const fs = __importStar(__webpack_require__(747));
+const path = __importStar(__webpack_require__(622));
 _a = fs.promises, exports.chmod = _a.chmod, exports.copyFile = _a.copyFile, exports.lstat = _a.lstat, exports.mkdir = _a.mkdir, exports.readdir = _a.readdir, exports.readlink = _a.readlink, exports.rename = _a.rename, exports.rmdir = _a.rmdir, exports.stat = _a.stat, exports.symlink = _a.symlink, exports.unlink = _a.unlink;
 exports.IS_WINDOWS = process.platform === 'win32';
 function exists(fsPath) {
@@ -47107,7 +47136,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
@@ -47125,11 +47154,15 @@ const cache = __importStar(__webpack_require__(692));
 const core = __importStar(__webpack_require__(470));
 const constants_1 = __webpack_require__(196);
 const utils = __importStar(__webpack_require__(443));
+// 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
+// throw an uncaught exception.  Instead of failing this action, just warn.
+process.on("uncaughtException", e => utils.logWarning(e.message));
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
             if (utils.isGhes()) {
-                utils.logWarning("Cache action is not supported on GHES");
+                utils.logWarning("Cache action is not supported on GHES. See https://github.com/actions/cache/issues/505 for more details");
                 return;
             }
             if (!utils.isValidEvent()) {
@@ -47144,8 +47177,8 @@ function run() {
                 return;
             }
             if (utils.isExactKeyMatch(primaryKey, state)) {
-                core.info(`Cache hit occurred on the primary key ${primaryKey}, not saving cache.`);
-                return;
+                core.info(`Cache hit occurred on the primary key ${primaryKey}, updating cache.`);
+                //return;
             }
             const cachePaths = utils.getInputAsArray(constants_1.Inputs.Path, {
                 required: true

examples.md

@@ -1,39 +1,44 @@
 # Examples
 
-- [Examples](#examples)
-  - [C# - NuGet](#c---nuget)
-  - [D - DUB](#d---dub)
-  - [Elixir - Mix](#elixir---mix)
-  - [Go - Modules](#go---modules)
-  - [Haskell - Cabal](#haskell---cabal)
-  - [Java - Gradle](#java---gradle)
-  - [Java - Maven](#java---maven)
-  - [Node - npm](#node---npm)
-    - [macOS and Ubuntu](#macos-and-ubuntu)
-    - [Windows](#windows)
-    - [Using multiple systems and `npm config`](#using-multiple-systems-and-npm-config)
-  - [Node - Lerna](#node---lerna)
-  - [Node - Yarn](#node---yarn)
-  - [Node - Yarn 2](#node---yarn-2)
-  - [OCaml/Reason - esy](#ocamlreason---esy)
-  - [PHP - Composer](#php---composer)
-  - [Python - pip](#python---pip)
-    - [Simple example](#simple-example)
-    - [Multiple OSes in a workflow](#multiple-oss-in-a-workflow)
-    - [Using pip to get cache location](#using-pip-to-get-cache-location)
-    - [Using a script to get cache location](#using-a-script-to-get-cache-location)
-  - [Python - pipenv](#python---pipenv)
-  - [R - renv](#r---renv)
-    - [Simple example](#simple-example-1)
-    - [Multiple OSes in a workflow](#multiple-oss-in-a-workflow-1)
-  - [Ruby - Bundler](#ruby---bundler)
-  - [Rust - Cargo](#rust---cargo)
-  - [Scala - SBT](#scala---sbt)
-  - [Swift, Objective-C - Carthage](#swift-objective-c---carthage)
-  - [Swift, Objective-C - CocoaPods](#swift-objective-c---cocoapods)
-  - [Swift - Swift Package Manager](#swift---swift-package-manager)
+- [C# - NuGet](#c---nuget)
+- [D - DUB](#d---dub)
+  - [POSIX](#posix)
+  - [Windows](#windows)
+- [Elixir - Mix](#elixir---mix)
+- [Go - Modules](#go---modules)
+  - [Linux](#linux)
+  - [macOS](#macos)
+  - [Windows](#windows-1)
+- [Haskell - Cabal](#haskell---cabal)
+- [Java - Gradle](#java---gradle)
+- [Java - Maven](#java---maven)
+- [Node - npm](#node---npm)
+  - [macOS and Ubuntu](#macos-and-ubuntu)
+  - [Windows](#windows-2)
+  - [Using multiple systems and `npm config`](#using-multiple-systems-and-npm-config)
+- [Node - Lerna](#node---lerna)
+- [Node - Yarn](#node---yarn)
+- [Node - Yarn 2](#node---yarn-2)
+- [OCaml/Reason - esy](#ocamlreason---esy)
+- [PHP - Composer](#php---composer)
+- [Python - pip](#python---pip)
+  - [Simple example](#simple-example)
+  - [Multiple OS's in a workflow](#multiple-oss-in-a-workflow)
+  - [Multiple OS's in a workflow with a matrix](#multiple-oss-in-a-workflow-with-a-matrix)
+  - [Using pip to get cache location](#using-pip-to-get-cache-location)
+- [Python - pipenv](#python---pipenv)
+- [R - renv](#r---renv)
+  - [Simple example](#simple-example-1)
+  - [Multiple OS's in a workflow](#multiple-oss-in-a-workflow-1)
+- [Ruby - Bundler](#ruby---bundler)
+- [Rust - Cargo](#rust---cargo)
+- [Scala - SBT](#scala---sbt)
+- [Swift, Objective-C - Carthage](#swift-objective-c---carthage)
+- [Swift, Objective-C - CocoaPods](#swift-objective-c---cocoapods)
+- [Swift - Swift Package Manager](#swift---swift-package-manager)
 
 ## C# - NuGet
+
 Using [NuGet lock files](https://docs.microsoft.com/nuget/consume-packages/package-references-in-project-files#locking-dependencies):
 
 ```yaml
@@ -47,6 +52,7 @@ Using [NuGet lock files](https://docs.microsoft.com/nuget/consume-packages/packa
 
 Depending on the environment, huge packages might be pre-installed in the global cache folder.
 With `actions/cache@v2` you can now exclude unwanted packages with [exclude pattern](https://github.com/actions/toolkit/tree/main/packages/glob#exclude-patterns)
+
 ```yaml
 - uses: actions/cache@v2
   with:
@@ -97,23 +103,54 @@ steps:
 ```
 
 ## Elixir - Mix
+
 ```yaml
 - uses: actions/cache@v2
   with:
     path: |
       deps
       _build
-    key: ${{ runner.os }}-mix-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
+    key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
     restore-keys: |
       ${{ runner.os }}-mix-
 ```
 
 ## Go - Modules
 
+### Linux
+
 ```yaml
 - uses: actions/cache@v2
   with:
-    path: ~/go/pkg/mod
+    path: |
+      ~/.cache/go-build
+      ~/go/pkg/mod
+    key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+    restore-keys: |
+      ${{ runner.os }}-go-
+```
+
+### macOS
+
+```yaml
+- uses: actions/cache@v2
+  with:
+    path: |
+      ~/Library/Caches/go-build
+      ~/go/pkg/mod
+    key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+    restore-keys: |
+      ${{ runner.os }}-go-
+```
+
+### Windows
+
+```yaml
+- uses: actions/cache@v2
+  with:
+    path: |
+      %LocalAppData%\go-build
+      ~/go/pkg/mod
     key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
     restore-keys: |
       ${{ runner.os }}-go-
@@ -136,6 +173,8 @@ We cache the elements of the Cabal store separately, as the entirety of `~/.caba
 
 ## Java - Gradle
 
+>Note: Ensure no Gradle daemons are running anymore when your workflow completes. Creating the cache package might fail due to locks being held by Gradle. Refer to the [Gradle Daemon documentation](https://docs.gradle.org/current/userguide/gradle_daemon.html) on how to disable or stop the Gradle Daemons.
+
 ```yaml
 - uses: actions/cache@v2
   with:
@@ -238,8 +277,8 @@ The yarn cache directory will depend on your operating system and version of `ya
       ${{ runner.os }}-yarn-
 ```
 
-
 ## Node - Yarn 2
+
 The yarn 2 cache directory will depend on your config. See https://yarnpkg.com/configuration/yarnrc#cacheFolder for more info.
 
 ```yaml
@@ -257,6 +296,7 @@ The yarn 2 cache directory will depend on your config. See https://yarnpkg.com/c
 ```
 
 ## OCaml/Reason - esy
+
 Esy allows you to export built dependencies and import pre-built dependencies.
 ```yaml
     - name: Restore Cache
@@ -283,7 +323,6 @@ Esy allows you to export built dependencies and import pre-built dependencies.
       if: steps.restore-cache.outputs.cache-hit != 'true'
 ```
 
-
 ## PHP - Composer
 
 ```yaml
@@ -304,11 +343,13 @@ Esy allows you to export built dependencies and import pre-built dependencies.
 For pip, the cache directory will vary by OS. See https://pip.pypa.io/en/stable/reference/pip_install/#caching
 
 Locations:
- - Ubuntu: `~/.cache/pip`
- - Windows: `~\AppData\Local\pip\Cache`
- - macOS: `~/Library/Caches/pip`
+
+- Ubuntu: `~/.cache/pip`
+- Windows: `~\AppData\Local\pip\Cache`
+- macOS: `~/Library/Caches/pip`
 
 ### Simple example
+
 ```yaml
 - uses: actions/cache@v2
   with:
@@ -394,12 +435,17 @@ jobs:
 ## Python - pipenv
 
 ```yaml
+- name: Set up Python
+  # The actions/cache step below uses this id to get the exact python version
+  id: setup-python
+  uses: actions/setup-python@v2
+
+  ⋮
+
 - uses: actions/cache@v2
   with:
     path: ~/.local/share/virtualenvs
-    key: ${{ runner.os }}-pipenv-${{ hashFiles('Pipfile.lock') }}
-    restore-keys: |
-      ${{ runner.os }}-pipenv-
+    key: ${{ runner.os }}-python-${{ steps.setup-python.outputs.python-version }}-pipenv-${{ hashFiles('Pipfile.lock') }}
 ```
 
 ## R - renv
@@ -407,11 +453,13 @@ jobs:
 For renv, the cache directory will vary by OS. Look at https://rstudio.github.io/renv/articles/renv.html#cache
 
 Locations:
- - Ubuntu: `~/.local/share/renv`
- - macOS: `~/Library/Application Support/renv`
- - Windows: `%LOCALAPPDATA%/renv`
+
+- Ubuntu: `~/.local/share/renv`
+- macOS: `~/Library/Application Support/renv`
+- Windows: `%LOCALAPPDATA%/renv`
 
 ### Simple example
+
 ```yaml
 - uses: actions/cache@v2
   with:
@@ -473,9 +521,11 @@ whenever possible:
 - uses: actions/cache@v2
   with:
     path: |
-      ~/.cargo/registry
-      ~/.cargo/git
-      target
+      ~/.cargo/bin/
+      ~/.cargo/registry/index/
+      ~/.cargo/registry/cache/
+      ~/.cargo/git/db/
+      target/
     key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 ```
 

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "cache",
-  "version": "2.1.5",
+  "version": "2.1.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -51,9 +51,9 @@
       }
     },
     "@actions/io": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/@actions/io/-/io-1.0.2.tgz",
-      "integrity": "sha512-J8KuFqVPr3p6U8W93DOXlXW6zFvrQAJANdS+vw0YhusLIq+bszW8zmK2Fh1C2kDPX8FMvwIl1OUcFgvJoXLbAg=="
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@actions/io/-/io-1.1.0.tgz",
+      "integrity": "sha512-PspSX7Z9zh2Fyyuf3F6BsYeXcYHfc/VJ1vwy2vouas95efHVd42M6UfBFRs+jY0uiMDXhAoUtATn9g2r1MaWBQ=="
     },
     "@azure/abort-controller": {
       "version": "1.0.4",
@@ -848,6 +848,12 @@
       "integrity": "sha512-8+KAKzEvSUdeo+kmqnKrqgeE+LcA0tjYWFY7RPProVYwnqDjukzO+3b6dLD56rYX5TdWejnEOLJYOIeh4CXKuA==",
       "dev": true
     },
+    "@types/json5": {
+      "version": "0.0.29",
+      "resolved": "https://registry.npmjs.org/@types/json5/-/json5-0.0.29.tgz",
+      "integrity": "sha1-7ihweulOEdK4J7y+UnC86n8+ce4=",
+      "dev": true
+    },
     "@types/nock": {
       "version": "11.1.0",
       "resolved": "https://registry.npmjs.org/@types/nock/-/nock-11.1.0.tgz",
@@ -858,9 +864,9 @@
       }
     },
     "@types/node": {
-      "version": "12.12.40",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.40.tgz",
-      "integrity": "sha512-DGOupyZgr0TnemMORnkgR4G3ow5PV61uVW3w51pcnPIo6NV5hc36l59jxZJ/immrBpV5d7h6tn8/YgSgiA9oTw=="
+      "version": "12.20.7",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.20.7.tgz",
+      "integrity": "sha512-gWL8VUkg8VRaCAUgG9WmhefMqHmMblxe2rVpMF86nZY/+ZysU+BkAp+3cz03AixWDSSz0ks5WX59yAhv/cDwFA=="
     },
     "@types/node-fetch": {
       "version": "2.5.10",
@@ -1115,14 +1121,102 @@
       "dev": true
     },
     "array-includes": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.1.1.tgz",
-      "integrity": "sha512-c2VXaCHl7zPsvpkFsw4nxvFie4fh1ur9bpcgsVkIjqn0H/Xwdg+7fv3n2r/isyS8EBj5b06M9kHyZuIr4El6WQ==",
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.1.3.tgz",
+      "integrity": "sha512-gcem1KlBU7c9rB+Rq8/3PPKsK2kjqeEBa3bD5kkQo4nYlOHQCJqIJFqBXDEfwaRuYTT4E+FxA9xez7Gf/e3Q7A==",
       "dev": true,
       "requires": {
+        "call-bind": "^1.0.2",
         "define-properties": "^1.1.3",
-        "es-abstract": "^1.17.0",
+        "es-abstract": "^1.18.0-next.2",
+        "get-intrinsic": "^1.1.1",
         "is-string": "^1.0.5"
+      },
+      "dependencies": {
+        "es-abstract": {
+          "version": "1.18.0",
+          "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.18.0.tgz",
+          "integrity": "sha512-LJzK7MrQa8TS0ja2w3YNLzUgJCGPdPOV1yVvezjNnS89D+VR08+Szt2mz3YB2Dck/+w5tfIq/RoUAFqJJGM2yw==",
+          "dev": true,
+          "requires": {
+            "call-bind": "^1.0.2",
+            "es-to-primitive": "^1.2.1",
+            "function-bind": "^1.1.1",
+            "get-intrinsic": "^1.1.1",
+            "has": "^1.0.3",
+            "has-symbols": "^1.0.2",
+            "is-callable": "^1.2.3",
+            "is-negative-zero": "^2.0.1",
+            "is-regex": "^1.1.2",
+            "is-string": "^1.0.5",
+            "object-inspect": "^1.9.0",
+            "object-keys": "^1.1.1",
+            "object.assign": "^4.1.2",
+            "string.prototype.trimend": "^1.0.4",
+            "string.prototype.trimstart": "^1.0.4",
+            "unbox-primitive": "^1.0.0"
+          }
+        },
+        "has-symbols": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.2.tgz",
+          "integrity": "sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw==",
+          "dev": true
+        },
+        "is-callable": {
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.3.tgz",
+          "integrity": "sha512-J1DcMe8UYTBSrKezuIUTUwjXsho29693unXM2YhJUTR2txK/eG47bvNa/wipPFmZFgr/N6f1GA66dv0mEyTIyQ==",
+          "dev": true
+        },
+        "is-regex": {
+          "version": "1.1.2",
+          "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.2.tgz",
+          "integrity": "sha512-axvdhb5pdhEVThqJzYXwMlVuZwC+FF2DpcOhTS+y/8jVq4trxyPgfcwIxIKiyeuLlSQYKkmUaPQJ8ZE4yNKXDg==",
+          "dev": true,
+          "requires": {
+            "call-bind": "^1.0.2",
+            "has-symbols": "^1.0.1"
+          }
+        },
+        "object-inspect": {
+          "version": "1.9.0",
+          "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.9.0.tgz",
+          "integrity": "sha512-i3Bp9iTqwhaLZBxGkRfo5ZbE07BQRT7MGu8+nNgwW9ItGp1TzCTw2DLEoWwjClxBjOFI/hWljTAmYGCEwmtnOw==",
+          "dev": true
+        },
+        "object.assign": {
+          "version": "4.1.2",
+          "resolved": "https://registry.npmjs.org/object.assign/-/object.assign-4.1.2.tgz",
+          "integrity": "sha512-ixT2L5THXsApyiUPYKmW+2EHpXXe5Ii3M+f4e+aJFAHao5amFRW6J0OO6c/LU8Be47utCx2GL89hxGB6XSmKuQ==",
+          "dev": true,
+          "requires": {
+            "call-bind": "^1.0.0",
+            "define-properties": "^1.1.3",
+            "has-symbols": "^1.0.1",
+            "object-keys": "^1.1.1"
+          }
+        },
+        "string.prototype.trimend": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/string.prototype.trimend/-/string.prototype.trimend-1.0.4.tgz",
+          "integrity": "sha512-y9xCjw1P23Awk8EvTpcyL2NIr1j7wJ39f+k6lvRnSMz+mz9CGz9NYPelDk42kOz6+ql8xjfK8oYzy3jAP5QU5A==",
+          "dev": true,
+          "requires": {
+            "call-bind": "^1.0.2",
+            "define-properties": "^1.1.3"
+          }
+        },
+        "string.prototype.trimstart": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/string.prototype.trimstart/-/string.prototype.trimstart-1.0.4.tgz",
+          "integrity": "sha512-jh6e984OBfvxS50tdY2nRZnoC5/mLFKOREQfw8t5yytkoUsJRNxvI/E39qu1sD0OtWI3OC0XgKSmcWwziwYuZw==",
+          "dev": true,
+          "requires": {
+            "call-bind": "^1.0.2",
+            "define-properties": "^1.1.3"
+          }
+        }
       }
     },
     "array-unique": {
@@ -1132,13 +1226,100 @@
       "dev": true
     },
     "array.prototype.flat": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/array.prototype.flat/-/array.prototype.flat-1.2.3.tgz",
-      "integrity": "sha512-gBlRZV0VSmfPIeWfuuy56XZMvbVfbEUnOXUvt3F/eUUUSyzlgLxhEX4YAEpxNAogRGehPSnfXyPtYyKAhkzQhQ==",
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/array.prototype.flat/-/array.prototype.flat-1.2.4.tgz",
+      "integrity": "sha512-4470Xi3GAPAjZqFcljX2xzckv1qeKPizoNkiS0+O4IoPR2ZNpcjE0pkhdihlDouK+x6QOast26B4Q/O9DJnwSg==",
       "dev": true,
       "requires": {
+        "call-bind": "^1.0.0",
         "define-properties": "^1.1.3",
-        "es-abstract": "^1.17.0-next.1"
+        "es-abstract": "^1.18.0-next.1"
+      },
+      "dependencies": {
+        "es-abstract": {
+          "version": "1.18.0",
+          "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.18.0.tgz",
+          "integrity": "sha512-LJzK7MrQa8TS0ja2w3YNLzUgJCGPdPOV1yVvezjNnS89D+VR08+Szt2mz3YB2Dck/+w5tfIq/RoUAFqJJGM2yw==",
+          "dev": true,
+          "requires": {
+            "call-bind": "^1.0.2",
+            "es-to-primitive": "^1.2.1",
+            "function-bind": "^1.1.1",
+            "get-intrinsic": "^1.1.1",
+            "has": "^1.0.3",
+            "has-symbols": "^1.0.2",
+            "is-callable": "^1.2.3",
+            "is-negative-zero": "^2.0.1",
+            "is-regex": "^1.1.2",
+            "is-string": "^1.0.5",
+            "object-inspect": "^1.9.0",
+            "object-keys": "^1.1.1",
+            "object.assign": "^4.1.2",
+            "string.prototype.trimend": "^1.0.4",
+            "string.prototype.trimstart": "^1.0.4",
+            "unbox-primitive": "^1.0.0"
+          }
+        },
+        "has-symbols": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.2.tgz",
+          "integrity": "sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw==",
+          "dev": true
+        },
+        "is-callable": {
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.3.tgz",
+          "integrity": "sha512-J1DcMe8UYTBSrKezuIUTUwjXsho29693unXM2YhJUTR2txK/eG47bvNa/wipPFmZFgr/N6f1GA66dv0mEyTIyQ==",
+          "dev": true
+        },
+        "is-regex": {
+          "version": "1.1.2",
+          "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.2.tgz",
+          "integrity": "sha512-axvdhb5pdhEVThqJzYXwMlVuZwC+FF2DpcOhTS+y/8jVq4trxyPgfcwIxIKiyeuLlSQYKkmUaPQJ8ZE4yNKXDg==",
+          "dev": true,
+          "requires": {
+            "call-bind": "^1.0.2",
+            "has-symbols": "^1.0.1"
+          }
+        },
+        "object-inspect": {
+          "version": "1.9.0",
+          "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.9.0.tgz",
+          "integrity": "sha512-i3Bp9iTqwhaLZBxGkRfo5ZbE07BQRT7MGu8+nNgwW9ItGp1TzCTw2DLEoWwjClxBjOFI/hWljTAmYGCEwmtnOw==",
+          "dev": true
+        },
+        "object.assign": {
+          "version": "4.1.2",
+          "resolved": "https://registry.npmjs.org/object.assign/-/object.assign-4.1.2.tgz",
+          "integrity": "sha512-ixT2L5THXsApyiUPYKmW+2EHpXXe5Ii3M+f4e+aJFAHao5amFRW6J0OO6c/LU8Be47utCx2GL89hxGB6XSmKuQ==",
+          "dev": true,
+          "requires": {
+            "call-bind": "^1.0.0",
+            "define-properties": "^1.1.3",
+            "has-symbols": "^1.0.1",
+            "object-keys": "^1.1.1"
+          }
+        },
+        "string.prototype.trimend": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/string.prototype.trimend/-/string.prototype.trimend-1.0.4.tgz",
+          "integrity": "sha512-y9xCjw1P23Awk8EvTpcyL2NIr1j7wJ39f+k6lvRnSMz+mz9CGz9NYPelDk42kOz6+ql8xjfK8oYzy3jAP5QU5A==",
+          "dev": true,
+          "requires": {
+            "call-bind": "^1.0.2",
+            "define-properties": "^1.1.3"
+          }
+        },
+        "string.prototype.trimstart": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/string.prototype.trimstart/-/string.prototype.trimstart-1.0.4.tgz",
+          "integrity": "sha512-jh6e984OBfvxS50tdY2nRZnoC5/mLFKOREQfw8t5yytkoUsJRNxvI/E39qu1sD0OtWI3OC0XgKSmcWwziwYuZw==",
+          "dev": true,
+          "requires": {
+            "call-bind": "^1.0.2",
+            "define-properties": "^1.1.3"
+          }
+        }
       }
     },
     "asn1": {
@@ -1469,6 +1650,16 @@
         "unset-value": "^1.0.0"
       }
     },
+    "call-bind": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
+      "integrity": "sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==",
+      "dev": true,
+      "requires": {
+        "function-bind": "^1.1.1",
+        "get-intrinsic": "^1.0.2"
+      }
+    },
     "callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -1997,18 +2188,18 @@
       }
     },
     "eslint-config-prettier": {
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+          }
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+          "dev": true,
+          "requires": {
+            "@jest/types": "^26.6.2",
+            "@types/node": "*",
+            "chalk": "^4.0.0",
+            "graceful-fs": "^4.2.4",
+            "is-ci": "^2.0.0",
+            "micromatch": "^4.0.2"
+          }
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+          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.4.tgz",
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+          "dev": true,
+          "requires": {
+            "braces": "^3.0.1",
+            "picomatch": "^2.2.3"
+          }
+        },
+        "mkdirp": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
+          "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
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+          "version": "7.3.5",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",
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           "dev": true,
           "requires": {
-            "camelcase": "^4.1.0"
+            "lru-cache": "^6.0.0"
+          }
+        },
+        "supports-color": {
+          "version": "7.2.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+          "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^4.0.0"
+          }
+        },
+        "to-regex-range": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+          "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+          "dev": true,
+          "requires": {
+            "is-number": "^7.0.0"
+          }
+        },
+        "yargs-parser": {
+          "version": "20.2.7",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.7.tgz",
+          "integrity": "sha512-FiNkvbeHzB/syOjIUxFDCnhSfzAL8R5vs40MgLFBorXACCOAEaWu0gRZl14vG8MR9AOJIZbmkjhusqBYZ3HTHw==",
+          "dev": true
+        }
+      }
+    },
+    "tsconfig-paths": {
+      "version": "3.9.0",
+      "resolved": "https://registry.npmjs.org/tsconfig-paths/-/tsconfig-paths-3.9.0.tgz",
+      "integrity": "sha512-dRcuzokWhajtZWkQsDVKbWyY+jgcLC5sqJhg2PSgf4ZkH2aHPvaOY8YWGhmjb68b5qqTfasSsDO9k7RUiEmZAw==",
+      "dev": true,
+      "requires": {
+        "@types/json5": "^0.0.29",
+        "json5": "^1.0.1",
+        "minimist": "^1.2.0",
+        "strip-bom": "^3.0.0"
+      },
+      "dependencies": {
+        "json5": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
+          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "dev": true,
+          "requires": {
+            "minimist": "^1.2.0"
           }
         }
       }
@@ -5688,11 +6179,31 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.9.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.2.tgz",
-      "integrity": "sha512-q2ktq4n/uLuNNShyayit+DTobV2ApPEo/6so68JaD5ojvc/6GClBipedB9zNWYxRSAlZXAe405Rlijzl6qDiSw==",
+      "version": "3.9.9",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.9.tgz",
+      "integrity": "sha512-kdMjTiekY+z/ubJCATUPlRDl39vXYiMV9iyeMuEuXZh2we6zz80uovNN2WlAxmmdE/Z/YQe+EbOEXB5RHEED3w==",
       "dev": true
     },
+    "unbox-primitive": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.0.1.tgz",
+      "integrity": "sha512-tZU/3NqK3dA5gpE1KtyiJUrEB0lxnGkMFHptJ7q6ewdZ8s12QrODwNbhIJStmJkd1QDXa1NRA8aF2A1zk/Ypyw==",
+      "dev": true,
+      "requires": {
+        "function-bind": "^1.1.1",
+        "has-bigints": "^1.0.1",
+        "has-symbols": "^1.0.2",
+        "which-boxed-primitive": "^1.0.2"
+      },
+      "dependencies": {
+        "has-symbols": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.2.tgz",
+          "integrity": "sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw==",
+          "dev": true
+        }
+      }
+    },
     "union-value": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
@@ -5874,6 +6385,19 @@
         "isexe": "^2.0.0"
       }
     },
+    "which-boxed-primitive": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz",
+      "integrity": "sha512-bwZdv0AKLpplFY2KZRX6TvyuN7ojjr7lwkg6ml0roIy9YeuSr7JS372qlNW18UQYzgYK9ziGcerWqZOmEn9VNg==",
+      "dev": true,
+      "requires": {
+        "is-bigint": "^1.0.1",
+        "is-boolean-object": "^1.1.0",
+        "is-number-object": "^1.0.4",
+        "is-string": "^1.0.5",
+        "is-symbol": "^1.0.3"
+      }
+    },
     "which-module": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
@@ -5949,9 +6473,9 @@
       }
     },
     "ws": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
-      "integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.3.tgz",
+      "integrity": "sha512-jZArVERrMsKUatIdnLzqvcfydI85dvd/Fp1u/VOpfdDWQ4c9qWXe+VIeAbQ5FrDwciAkr+lzofXLz3Kuf26AOA==",
       "dev": true,
       "requires": {
         "async-limiter": "~1.0.0"
@@ -5978,9 +6502,15 @@
       "integrity": "sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA=="
     },
     "y18n": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.3.tgz",
+      "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
+      "dev": true
+    },
+    "yallist": {
       "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
       "dev": true
     },
     "yargs": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cache",
-  "version": "2.1.5",
+  "version": "2.1.6",
   "private": true,
   "description": "Cache dependencies and build outputs",
   "main": "dist/restore/index.js",
@@ -26,26 +26,26 @@
     "@actions/cache": "^1.0.7",
     "@actions/core": "^1.2.6",
     "@actions/exec": "^1.0.1",
-    "@actions/io": "^1.0.1"
+    "@actions/io": "^1.1.0"
   },
   "devDependencies": {
     "@types/jest": "^24.0.13",
     "@types/nock": "^11.1.0",
-    "@types/node": "^12.0.4",
+    "@types/node": "^12.20.7",
     "@typescript-eslint/eslint-plugin": "^2.7.0",
     "@typescript-eslint/parser": "^2.7.0",
     "@zeit/ncc": "^0.20.5",
     "eslint": "^6.6.0",
-    "eslint-config-prettier": "^6.5.0",
-    "eslint-plugin-import": "^2.18.2",
-    "eslint-plugin-jest": "^23.0.3",
-    "eslint-plugin-prettier": "^3.1.1",
+    "eslint-config-prettier": "^6.15.0",
+    "eslint-plugin-import": "^2.22.1",
+    "eslint-plugin-jest": "^23.20.0",
+    "eslint-plugin-prettier": "^3.3.1",
     "eslint-plugin-simple-import-sort": "^5.0.2",
     "jest": "^24.8.0",
     "jest-circus": "^24.7.1",
     "nock": "^11.7.0",
     "prettier": "^1.19.1",
-    "ts-jest": "^24.0.2",
-    "typescript": "^3.7.3"
+    "ts-jest": "^26.5.4",
+    "typescript": "^3.9.9"
   }
 }

src/restore.ts

@@ -7,7 +7,9 @@ import * as utils from "./utils/actionUtils";
 async function run(): Promise<void> {
     try {
         if (utils.isGhes()) {
-            utils.logWarning("Cache action is not supported on GHES");
+            utils.logWarning(
+                "Cache action is not supported on GHES. See https://github.com/actions/cache/issues/505 for more details"
+            );
             utils.setCacheHitOutput(false);
             return;
         }

src/save.ts

@@ -4,10 +4,17 @@ import * as core from "@actions/core";
 import { Events, Inputs, State } from "./constants";
 import * as utils from "./utils/actionUtils";
 
+// 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
+// throw an uncaught exception.  Instead of failing this action, just warn.
+process.on("uncaughtException", e => utils.logWarning(e.message));
+
 async function run(): Promise<void> {
     try {
         if (utils.isGhes()) {
-            utils.logWarning("Cache action is not supported on GHES");
+            utils.logWarning(
+                "Cache action is not supported on GHES. See https://github.com/actions/cache/issues/505 for more details"
+            );
             return;
         }
 
@@ -31,9 +38,9 @@ async function run(): Promise<void> {
 
         if (utils.isExactKeyMatch(primaryKey, state)) {
             core.info(
-                `Cache hit occurred on the primary key ${primaryKey}, not saving cache.`
+                `Cache hit occurred on the primary key ${primaryKey}, updating cache.`
             );
-            return;
+            //return;
         }
 
         const cachePaths = utils.getInputAsArray(Inputs.Path, {