Test sudo tar

"it's" is short for "it is," but the use in this sentence is as a
possessive - something belonging to "it" - hence, "its" is correct.

README.md

@@ -56,7 +56,7 @@ jobs:
 
 ## Implementation Examples
 
-Every programming language and framework has it's own way of caching. 
+Every programming language and framework has its own way of caching.
 
 See [Examples](examples.md) for a list of `actions/cache` implementations for use with:
 

__tests__/restore.test.ts

@@ -1,18 +1,16 @@
 import * as core from "@actions/core";
-import * as exec from "@actions/exec";
-import * as io from "@actions/io";
 import * as path from "path";
 import * as cacheHttpClient from "../src/cacheHttpClient";
 import { Events, Inputs } from "../src/constants";
 import { ArtifactCacheEntry } from "../src/contracts";
 import run from "../src/restore";
+import * as tar from "../src/tar";
 import * as actionUtils from "../src/utils/actionUtils";
 import * as testUtils from "../src/utils/testUtils";
 
-jest.mock("@actions/exec");
-jest.mock("@actions/io");
-jest.mock("../src/utils/actionUtils");
 jest.mock("../src/cacheHttpClient");
+jest.mock("../src/tar");
+jest.mock("../src/utils/actionUtils");
 
 beforeAll(() => {
     jest.spyOn(actionUtils, "resolvePath").mockImplementation(filePath => {
@@ -35,10 +33,6 @@ beforeAll(() => {
         const actualUtils = jest.requireActual("../src/utils/actionUtils");
         return actualUtils.getSupportedEvents();
     });
-
-    jest.spyOn(io, "which").mockImplementation(tool => {
-        return Promise.resolve(tool);
-    });
 });
 
 beforeEach(() => {
@@ -245,8 +239,7 @@ test("restore with cache found", async () => {
         .spyOn(actionUtils, "getArchiveFileSize")
         .mockReturnValue(fileSize);
 
-    const mkdirMock = jest.spyOn(io, "mkdirP");
+    const extractTarMock = jest.spyOn(tar, "extractTar");
-    const execMock = jest.spyOn(exec, "exec");
     const setCacheHitOutputMock = jest.spyOn(actionUtils, "setCacheHitOutput");
 
     await run();
@@ -255,27 +248,11 @@ test("restore with cache found", async () => {
     expect(getCacheMock).toHaveBeenCalledWith([key]);
     expect(setCacheStateMock).toHaveBeenCalledWith(cacheEntry);
     expect(createTempDirectoryMock).toHaveBeenCalledTimes(1);
-    expect(downloadCacheMock).toHaveBeenCalledWith(
+    expect(downloadCacheMock).toHaveBeenCalledWith(cacheEntry, archivePath);
-        cacheEntry.archiveLocation,
-        archivePath
-    );
     expect(getArchiveFileSizeMock).toHaveBeenCalledWith(archivePath);
-    expect(mkdirMock).toHaveBeenCalledWith(cachePath);
 
-    const IS_WINDOWS = process.platform === "win32";
+    expect(extractTarMock).toHaveBeenCalledTimes(1);
-    const args = IS_WINDOWS
+    expect(extractTarMock).toHaveBeenCalledWith(archivePath, cachePath);
-        ? [
-              "-xz",
-              "--force-local",
-              "-f",
-              archivePath.replace(/\\/g, "/"),
-              "-C",
-              cachePath.replace(/\\/g, "/")
-          ]
-        : ["-xz", "-f", archivePath, "-C", cachePath];
-
-    expect(execMock).toHaveBeenCalledTimes(1);
-    expect(execMock).toHaveBeenCalledWith(`"tar"`, args);
 
     expect(setCacheHitOutputMock).toHaveBeenCalledTimes(1);
     expect(setCacheHitOutputMock).toHaveBeenCalledWith(true);
@@ -326,8 +303,7 @@ test("restore with a pull request event and cache found", async () => {
         .spyOn(actionUtils, "getArchiveFileSize")
         .mockReturnValue(fileSize);
 
-    const mkdirMock = jest.spyOn(io, "mkdirP");
+    const extractTarMock = jest.spyOn(tar, "extractTar");
-    const execMock = jest.spyOn(exec, "exec");
     const setCacheHitOutputMock = jest.spyOn(actionUtils, "setCacheHitOutput");
 
     await run();
@@ -336,28 +312,12 @@ test("restore with a pull request event and cache found", async () => {
     expect(getCacheMock).toHaveBeenCalledWith([key]);
     expect(setCacheStateMock).toHaveBeenCalledWith(cacheEntry);
     expect(createTempDirectoryMock).toHaveBeenCalledTimes(1);
-    expect(downloadCacheMock).toHaveBeenCalledWith(
+    expect(downloadCacheMock).toHaveBeenCalledWith(cacheEntry, archivePath);
-        cacheEntry.archiveLocation,
-        archivePath
-    );
     expect(getArchiveFileSizeMock).toHaveBeenCalledWith(archivePath);
     expect(infoMock).toHaveBeenCalledWith(`Cache Size: ~60 MB (62915000 B)`);
-    expect(mkdirMock).toHaveBeenCalledWith(cachePath);
 
-    const IS_WINDOWS = process.platform === "win32";
+    expect(extractTarMock).toHaveBeenCalledTimes(1);
-    const args = IS_WINDOWS
+    expect(extractTarMock).toHaveBeenCalledWith(archivePath, cachePath);
-        ? [
-              "-xz",
-              "--force-local",
-              "-f",
-              archivePath.replace(/\\/g, "/"),
-              "-C",
-              cachePath.replace(/\\/g, "/")
-          ]
-        : ["-xz", "-f", archivePath, "-C", cachePath];
-
-    expect(execMock).toHaveBeenCalledTimes(1);
-    expect(execMock).toHaveBeenCalledWith(`"tar"`, args);
 
     expect(setCacheHitOutputMock).toHaveBeenCalledTimes(1);
     expect(setCacheHitOutputMock).toHaveBeenCalledWith(true);
@@ -408,8 +368,7 @@ test("restore with cache found for restore key", async () => {
         .spyOn(actionUtils, "getArchiveFileSize")
         .mockReturnValue(fileSize);
 
-    const mkdirMock = jest.spyOn(io, "mkdirP");
+    const extractTarMock = jest.spyOn(tar, "extractTar");
-    const execMock = jest.spyOn(exec, "exec");
     const setCacheHitOutputMock = jest.spyOn(actionUtils, "setCacheHitOutput");
 
     await run();
@@ -418,28 +377,12 @@ test("restore with cache found for restore key", async () => {
     expect(getCacheMock).toHaveBeenCalledWith([key, restoreKey]);
     expect(setCacheStateMock).toHaveBeenCalledWith(cacheEntry);
     expect(createTempDirectoryMock).toHaveBeenCalledTimes(1);
-    expect(downloadCacheMock).toHaveBeenCalledWith(
+    expect(downloadCacheMock).toHaveBeenCalledWith(cacheEntry, archivePath);
-        cacheEntry.archiveLocation,
-        archivePath
-    );
     expect(getArchiveFileSizeMock).toHaveBeenCalledWith(archivePath);
     expect(infoMock).toHaveBeenCalledWith(`Cache Size: ~0 MB (142 B)`);
-    expect(mkdirMock).toHaveBeenCalledWith(cachePath);
 
-    const IS_WINDOWS = process.platform === "win32";
+    expect(extractTarMock).toHaveBeenCalledTimes(1);
-    const args = IS_WINDOWS
+    expect(extractTarMock).toHaveBeenCalledWith(archivePath, cachePath);
-        ? [
-              "-xz",
-              "--force-local",
-              "-f",
-              archivePath.replace(/\\/g, "/"),
-              "-C",
-              cachePath.replace(/\\/g, "/")
-          ]
-        : ["-xz", "-f", archivePath, "-C", cachePath];
-
-    expect(execMock).toHaveBeenCalledTimes(1);
-    expect(execMock).toHaveBeenCalledWith(`"tar"`, args);
 
     expect(setCacheHitOutputMock).toHaveBeenCalledTimes(1);
     expect(setCacheHitOutputMock).toHaveBeenCalledWith(false);

__tests__/save.test.ts

@@ -1,19 +1,17 @@
 import * as core from "@actions/core";
-import * as exec from "@actions/exec";
-import * as io from "@actions/io";
 import * as path from "path";
 import * as cacheHttpClient from "../src/cacheHttpClient";
 import { Events, Inputs } from "../src/constants";
 import { ArtifactCacheEntry } from "../src/contracts";
 import run from "../src/save";
+import * as tar from "../src/tar";
 import * as actionUtils from "../src/utils/actionUtils";
 import * as testUtils from "../src/utils/testUtils";
 
 jest.mock("@actions/core");
-jest.mock("@actions/exec");
-jest.mock("@actions/io");
-jest.mock("../src/utils/actionUtils");
 jest.mock("../src/cacheHttpClient");
+jest.mock("../src/tar");
+jest.mock("../src/utils/actionUtils");
 
 beforeAll(() => {
     jest.spyOn(core, "getInput").mockImplementation((name, options) => {
@@ -49,10 +47,6 @@ beforeAll(() => {
     jest.spyOn(actionUtils, "createTempDirectory").mockImplementation(() => {
         return Promise.resolve("/foo/bar");
     });
-
-    jest.spyOn(io, "which").mockImplementation(tool => {
-        return Promise.resolve(tool);
-    });
 });
 
 beforeEach(() => {
@@ -128,7 +122,7 @@ test("save with exact match returns early", async () => {
             return primaryKey;
         });
 
-    const execMock = jest.spyOn(exec, "exec");
+    const createTarMock = jest.spyOn(tar, "createTar");
 
     await run();
 
@@ -136,7 +130,7 @@ test("save with exact match returns early", async () => {
         `Cache hit occurred on the primary key ${primaryKey}, not saving cache.`
     );
 
-    expect(execMock).toHaveBeenCalledTimes(0);
+    expect(createTarMock).toHaveBeenCalledTimes(0);
 
     expect(failedMock).toHaveBeenCalledTimes(0);
 });
@@ -198,9 +192,9 @@ test("save with large cache outputs warning", async () => {
     const cachePath = path.resolve(inputPath);
     testUtils.setInput(Inputs.Path, inputPath);
 
-    const execMock = jest.spyOn(exec, "exec");
+    const createTarMock = jest.spyOn(tar, "createTar");
 
-    const cacheSize = 4 * 1024 * 1024 * 1024; //~4GB, over the 2GB limit
+    const cacheSize = 1024 * 1024 * 1024; //~1GB, over the 400MB limit
     jest.spyOn(actionUtils, "getArchiveFileSize").mockImplementationOnce(() => {
         return cacheSize;
     });
@@ -209,25 +203,12 @@ test("save with large cache outputs warning", async () => {
 
     const archivePath = path.join("/foo/bar", "cache.tgz");
 
-    const IS_WINDOWS = process.platform === "win32";
+    expect(createTarMock).toHaveBeenCalledTimes(1);
-    const args = IS_WINDOWS
+    expect(createTarMock).toHaveBeenCalledWith(archivePath, cachePath);
-        ? [
-            "-cz",
-            "--force-local",
-            "-f",
-            archivePath.replace(/\\/g, "/"),
-            "-C",
-            cachePath.replace(/\\/g, "/"),
-            "."
-        ]
-        : ["-cz", "-f", archivePath, "-C", cachePath, "."];
-
-    expect(execMock).toHaveBeenCalledTimes(1);
-    expect(execMock).toHaveBeenCalledWith(`"tar"`, args);
 
     expect(logWarningMock).toHaveBeenCalledTimes(1);
     expect(logWarningMock).toHaveBeenCalledWith(
-        "Cache size of ~4 GB (4294967296 B) is over the 2GB limit, not saving cache."
+        "Cache size of ~1024 MB (1073741824 B) is over the 400MB limit, not saving cache."
     );
 
     expect(failedMock).toHaveBeenCalledTimes(0);
@@ -259,12 +240,7 @@ test("save with server error outputs warning", async () => {
     const cachePath = path.resolve(inputPath);
     testUtils.setInput(Inputs.Path, inputPath);
 
-    const cacheId = 4;
+    const createTarMock = jest.spyOn(tar, "createTar");
-    const reserveCacheMock = jest.spyOn(cacheHttpClient, "reserveCache").mockImplementationOnce(() => {
-        return Promise.resolve(cacheId);
-    });
-
-    const execMock = jest.spyOn(exec, "exec");
 
     const saveCacheMock = jest
         .spyOn(cacheHttpClient, "saveCache")
@@ -274,29 +250,13 @@ test("save with server error outputs warning", async () => {
 
     await run();
 
-    expect(reserveCacheMock).toHaveBeenCalledTimes(1);
-    expect(reserveCacheMock).toHaveBeenCalledWith(primaryKey);
-
     const archivePath = path.join("/foo/bar", "cache.tgz");
 
-    const IS_WINDOWS = process.platform === "win32";
+    expect(createTarMock).toHaveBeenCalledTimes(1);
-    const args = IS_WINDOWS
+    expect(createTarMock).toHaveBeenCalledWith(archivePath, cachePath);
-        ? [
-            "-cz",
-            "--force-local",
-            "-f",
-            archivePath.replace(/\\/g, "/"),
-            "-C",
-            cachePath.replace(/\\/g, "/"),
-            "."
-        ]
-        : ["-cz", "-f", archivePath, "-C", cachePath, "."];
-
-    expect(execMock).toHaveBeenCalledTimes(1);
-    expect(execMock).toHaveBeenCalledWith(`"tar"`, args);
 
     expect(saveCacheMock).toHaveBeenCalledTimes(1);
-    expect(saveCacheMock).toHaveBeenCalledWith(cacheId, archivePath);
+    expect(saveCacheMock).toHaveBeenCalledWith(primaryKey, archivePath);
 
     expect(logWarningMock).toHaveBeenCalledTimes(1);
     expect(logWarningMock).toHaveBeenCalledWith("HTTP Error Occurred");
@@ -329,40 +289,18 @@ test("save with valid inputs uploads a cache", async () => {
     const cachePath = path.resolve(inputPath);
     testUtils.setInput(Inputs.Path, inputPath);
 
-    const cacheId = 4;
+    const createTarMock = jest.spyOn(tar, "createTar");
-    const reserveCacheMock = jest.spyOn(cacheHttpClient, "reserveCache").mockImplementationOnce(() => {
-        return Promise.resolve(cacheId);
-    });
-
-    const execMock = jest.spyOn(exec, "exec");
-
     const saveCacheMock = jest.spyOn(cacheHttpClient, "saveCache");
 
     await run();
 
-    expect(reserveCacheMock).toHaveBeenCalledTimes(1);
-    expect(reserveCacheMock).toHaveBeenCalledWith(primaryKey);
-
     const archivePath = path.join("/foo/bar", "cache.tgz");
 
-    const IS_WINDOWS = process.platform === "win32";
+    expect(createTarMock).toHaveBeenCalledTimes(1);
-    const args = IS_WINDOWS
+    expect(createTarMock).toHaveBeenCalledWith(archivePath, cachePath);
-        ? [
-            "-cz",
-            "--force-local",
-            "-f",
-            archivePath.replace(/\\/g, "/"),
-            "-C",
-            cachePath.replace(/\\/g, "/"),
-            "."
-        ]
-        : ["-cz", "-f", archivePath, "-C", cachePath, "."];
-
-    expect(execMock).toHaveBeenCalledTimes(1);
-    expect(execMock).toHaveBeenCalledWith(`"tar"`, args);
 
     expect(saveCacheMock).toHaveBeenCalledTimes(1);
-    expect(saveCacheMock).toHaveBeenCalledWith(cacheId, archivePath);
+    expect(saveCacheMock).toHaveBeenCalledWith(primaryKey, archivePath);
 
     expect(failedMock).toHaveBeenCalledTimes(0);
 });

__tests__/tar.test.ts

@@ -0,0 +1,58 @@
+import * as exec from "@actions/exec";
+import * as io from "@actions/io";
+import * as tar from "../src/tar";
+
+jest.mock("@actions/exec");
+jest.mock("@actions/io");
+
+beforeAll(() => {
+    jest.spyOn(io, "which").mockImplementation(tool => {
+        return Promise.resolve(tool);
+    });
+});
+
+test("extract tar", async () => {
+    const mkdirMock = jest.spyOn(io, "mkdirP");
+    const execMock = jest.spyOn(exec, "exec");
+
+    const archivePath = "cache.tar";
+    const targetDirectory = "~/.npm/cache";
+    await tar.extractTar(archivePath, targetDirectory);
+
+    expect(mkdirMock).toHaveBeenCalledWith(targetDirectory);
+
+    const IS_WINDOWS = process.platform === "win32";
+    const tarPath = IS_WINDOWS
+        ? `${process.env["windir"]}\\System32\\tar.exe`
+        : "tar";
+    expect(execMock).toHaveBeenCalledTimes(1);
+    expect(execMock).toHaveBeenCalledWith(`"${tarPath}"`, [
+        "-xz",
+        "-f",
+        archivePath,
+        "-C",
+        targetDirectory
+    ]);
+});
+
+test("create tar", async () => {
+    const execMock = jest.spyOn(exec, "exec");
+
+    const archivePath = "cache.tar";
+    const sourceDirectory = "~/.npm/cache";
+    await tar.createTar(archivePath, sourceDirectory);
+
+    const IS_WINDOWS = process.platform === "win32";
+    const tarPath = IS_WINDOWS
+        ? `${process.env["windir"]}\\System32\\tar.exe`
+        : "tar";
+    expect(execMock).toHaveBeenCalledTimes(1);
+    expect(execMock).toHaveBeenCalledWith(`"${tarPath}"`, [
+        "-cz",
+        "-f",
+        archivePath,
+        "-C",
+        sourceDirectory,
+        "."
+    ]);
+});

dist/restore/index.js

@@ -1496,55 +1496,47 @@ const fs = __importStar(__webpack_require__(747));
 const Handlers_1 = __webpack_require__(941);
 const HttpClient_1 = __webpack_require__(874);
 const RestClient_1 = __webpack_require__(105);
-const utils = __importStar(__webpack_require__(443));
+function getCacheUrl() {
-function isSuccessStatusCode(statusCode) {
-    return statusCode >= 200 && statusCode < 300;
-}
-function getCacheApiUrl() {
     // Ideally we just use ACTIONS_CACHE_URL
-    const baseUrl = (process.env["ACTIONS_CACHE_URL"] ||
+    const cacheUrl = (process.env["ACTIONS_CACHE_URL"] ||
         process.env["ACTIONS_RUNTIME_URL"] ||
         "").replace("pipelines", "artifactcache");
-    if (!baseUrl) {
+    if (!cacheUrl) {
         throw new Error("Cache Service Url not found, unable to restore cache.");
     }
-    core.debug(`Cache Url: ${baseUrl}`);
+    core.debug(`Cache Url: ${cacheUrl}`);
-    return `${baseUrl}_apis/artifactcache/`;
+    return cacheUrl;
 }
 function createAcceptHeader(type, apiVersion) {
     return `${type};api-version=${apiVersion}`;
 }
 function getRequestOptions() {
     const requestOptions = {
-        acceptHeader: createAcceptHeader("application/json", "6.0-preview.1")
+        acceptHeader: createAcceptHeader("application/json", "5.2-preview.1")
     };
     return requestOptions;
 }
-function createRestClient() {
+function getCacheEntry(keys) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const cacheUrl = getCacheUrl();
         const token = process.env["ACTIONS_RUNTIME_TOKEN"] || "";
         const bearerCredentialHandler = new Handlers_1.BearerCredentialHandler(token);
-    return new RestClient_1.RestClient("actions/cache", getCacheApiUrl(), [
+        const resource = `_apis/artifactcache/cache?keys=${encodeURIComponent(keys.join(","))}`;
+        const restClient = new RestClient_1.RestClient("actions/cache", cacheUrl, [
             bearerCredentialHandler
         ]);
-}
-function getCacheEntry(keys) {
-    var _a;
-    return __awaiter(this, void 0, void 0, function* () {
-        const restClient = createRestClient();
-        const resource = `cache?keys=${encodeURIComponent(keys.join(","))}`;
         const response = yield restClient.get(resource, getRequestOptions());
         if (response.statusCode === 204) {
             return null;
         }
-        if (!isSuccessStatusCode(response.statusCode)) {
+        if (response.statusCode !== 200) {
             throw new Error(`Cache service responded with ${response.statusCode}`);
         }
         const cacheResult = response.result;
-        const cacheDownloadUrl = (_a = cacheResult) === null || _a === void 0 ? void 0 : _a.archiveLocation;
+        if (!cacheResult || !cacheResult.archiveLocation) {
-        if (!cacheDownloadUrl) {
             throw new Error("Cache not found.");
         }
-        core.setSecret(cacheDownloadUrl);
+        core.setSecret(cacheResult.archiveLocation);
         core.debug(`Cache Result:`);
         core.debug(JSON.stringify(cacheResult));
         return cacheResult;
@@ -1560,102 +1552,34 @@ function pipeResponseToStream(response, stream) {
         });
     });
 }
-function downloadCache(archiveLocation, archivePath) {
+function downloadCache(cacheEntry, archivePath) {
     return __awaiter(this, void 0, void 0, function* () {
         const stream = fs.createWriteStream(archivePath);
         const httpClient = new HttpClient_1.HttpClient("actions/cache");
-        const downloadResponse = yield httpClient.get(archiveLocation);
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        const downloadResponse = yield httpClient.get(cacheEntry.archiveLocation);
         yield pipeResponseToStream(downloadResponse, stream);
     });
 }
 exports.downloadCache = downloadCache;
-// Reserve Cache
+function saveCache(key, archivePath) {
-function reserveCache(key) {
-    var _a, _b, _c;
     return __awaiter(this, void 0, void 0, function* () {
-        const restClient = createRestClient();
+        const stream = fs.createReadStream(archivePath);
-        const reserveCacheRequest = {
+        const cacheUrl = getCacheUrl();
-            key
+        const token = process.env["ACTIONS_RUNTIME_TOKEN"] || "";
-        };
+        const bearerCredentialHandler = new Handlers_1.BearerCredentialHandler(token);
-        const response = yield restClient.create("caches", reserveCacheRequest, getRequestOptions());
+        const resource = `_apis/artifactcache/cache/${encodeURIComponent(key)}`;
-        return _c = (_b = (_a = response) === null || _a === void 0 ? void 0 : _a.result) === null || _b === void 0 ? void 0 : _b.cacheId, (_c !== null && _c !== void 0 ? _c : -1);
+        const postUrl = cacheUrl + resource;
-    });
+        const restClient = new RestClient_1.RestClient("actions/cache", undefined, [
-}
+            bearerCredentialHandler
-exports.reserveCache = reserveCache;
+        ]);
-function getContentRange(start, end) {
-    // Format: `bytes start-end/filesize
-    // start and end are inclusive
-    // filesize can be *
-    // For a 200 byte chunk starting at byte 0:
-    // Content-Range: bytes 0-199/*
-    return `bytes ${start}-${end}/*`;
-}
-// function bufferToStream(buffer: Buffer): NodeJS.ReadableStream {
-//     const stream = new Duplex();
-//     stream.push(buffer);
-//     stream.push(null);
-//     return stream;
-// }
-function uploadChunk(restClient, resourceUrl, data, start, end) {
-    return __awaiter(this, void 0, void 0, function* () {
-        core.debug(`Uploading chunk of size ${end - start + 1} bytes at offset ${start} with content range: ${getContentRange(start, end)}`);
         const requestOptions = getRequestOptions();
         requestOptions.additionalHeaders = {
-            "Content-Type": "application/octet-stream",
+            "Content-Type": "application/octet-stream"
-            "Content-Range": getContentRange(start, end)
         };
-        return yield restClient.uploadStream("PATCH", resourceUrl, data, requestOptions);
+        const response = yield restClient.uploadStream("POST", postUrl, stream, requestOptions);
-    });
+        if (response.statusCode !== 200) {
-}
+            throw new Error(`Cache service responded with ${response.statusCode}`);
-function commitCache(restClient, cacheId, filesize) {
-    return __awaiter(this, void 0, void 0, function* () {
-        const requestOptions = getRequestOptions();
-        const commitCacheRequest = { size: filesize };
-        return yield restClient.create(`caches/${cacheId.toString()}`, commitCacheRequest, requestOptions);
-    });
-}
-function uploadFile(restClient, cacheId, archivePath) {
-    return __awaiter(this, void 0, void 0, function* () {
-        // Upload Chunks
-        const fileSize = fs.statSync(archivePath).size;
-        const resourceUrl = getCacheApiUrl() + "caches/" + cacheId.toString();
-        const responses = [];
-        const fd = fs.openSync(archivePath, "r");
-        const concurrency = 16; // # of HTTP requests in parallel
-        const MAX_CHUNK_SIZE = 32000000; // 32 MB Chunks
-        core.debug(`Concurrency: ${concurrency} and Chunk Size: ${MAX_CHUNK_SIZE}`);
-        const parallelUploads = [...new Array(concurrency).keys()];
-        core.debug("Awaiting all uploads");
-        let offset = 0;
-        yield Promise.all(parallelUploads.map(() => __awaiter(this, void 0, void 0, function* () {
-            while (offset < fileSize) {
-                const chunkSize = offset + MAX_CHUNK_SIZE > fileSize ? fileSize - offset : MAX_CHUNK_SIZE;
-                const start = offset;
-                const end = offset + chunkSize - 1;
-                offset += MAX_CHUNK_SIZE;
-                const chunk = fs.createReadStream(archivePath, { fd, start, end, autoClose: false });
-                responses.push(yield uploadChunk(restClient, resourceUrl, chunk, start, end));
-            }
-        })));
-        fs.closeSync(fd);
-        const failedResponse = responses.find(x => !isSuccessStatusCode(x.statusCode));
-        if (failedResponse) {
-            throw new Error(`Cache service responded with ${failedResponse.statusCode} during chunk upload.`);
-        }
-        return;
-    });
-}
-function saveCache(cacheId, archivePath) {
-    return __awaiter(this, void 0, void 0, function* () {
-        const restClient = createRestClient();
-        core.debug("Upload cache");
-        yield uploadFile(restClient, cacheId, archivePath);
-        core.debug("Commiting cache");
-        // Commit Cache
-        const cacheSize = utils.getArchiveFileSize(archivePath);
-        const commitCacheResponse = yield commitCache(restClient, cacheId, cacheSize);
-        if (!isSuccessStatusCode(commitCacheResponse.statusCode)) {
-            throw new Error(`Cache service responded with ${commitCacheResponse.statusCode} during commit cache.`);
         }
         core.info("Cache saved successfully");
     });
@@ -3067,14 +2991,12 @@ var __importStar = (this && this.__importStar) || function (mod) {
 };
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(__webpack_require__(470));
-const exec_1 = __webpack_require__(986);
-const io = __importStar(__webpack_require__(1));
 const path = __importStar(__webpack_require__(622));
 const cacheHttpClient = __importStar(__webpack_require__(154));
 const constants_1 = __webpack_require__(694);
+const tar_1 = __webpack_require__(943);
 const utils = __importStar(__webpack_require__(443));
 function run() {
-    var _a, _b;
     return __awaiter(this, void 0, void 0, function* () {
         try {
             // Validate inputs, this can cause task failure
@@ -3112,7 +3034,7 @@ function run() {
             }
             try {
                 const cacheEntry = yield cacheHttpClient.getCacheEntry(keys);
-                if (!cacheEntry || !((_a = cacheEntry) === null || _a === void 0 ? void 0 : _a.archiveLocation)) {
+                if (!cacheEntry) {
                     core.info(`Cache not found for input keys: ${keys.join(", ")}.`);
                     return;
                 }
@@ -3121,28 +3043,10 @@ function run() {
                 // Store the cache result
                 utils.setCacheState(cacheEntry);
                 // Download the cache from the cache entry
-                yield cacheHttpClient.downloadCache((_b = cacheEntry) === null || _b === void 0 ? void 0 : _b.archiveLocation, archivePath);
+                yield cacheHttpClient.downloadCache(cacheEntry, archivePath);
-                yield exec_1.exec(`md5sum`, [archivePath]);
                 const archiveFileSize = utils.getArchiveFileSize(archivePath);
                 core.info(`Cache Size: ~${Math.round(archiveFileSize / (1024 * 1024))} MB (${archiveFileSize} B)`);
-                // Create directory to extract tar into
+                yield tar_1.extractTar(archivePath, cachePath);
-                yield io.mkdirP(cachePath);
-                // http://man7.org/linux/man-pages/man1/tar.1.html
-                // tar [-options] <name of the tar archive> [files or directories which to add into archive]
-                const IS_WINDOWS = process.platform === "win32";
-                const args = IS_WINDOWS
-                    ? [
-                        "-xz",
-                        "--force-local",
-                        "-f",
-                        archivePath.replace(/\\/g, "/"),
-                        "-C",
-                        cachePath.replace(/\\/g, "/")
-                    ]
-                    : ["-xz", "-f", archivePath, "-C", cachePath];
-                const tarPath = yield io.which("tar", true);
-                core.debug(`Tar Path: ${tarPath}`);
-                yield exec_1.exec(`"${tarPath}"`, args);
                 const isExactKeyMatch = utils.isExactKeyMatch(primaryKey, cacheEntry);
                 utils.setCacheHitOutput(isExactKeyMatch);
                 core.info(`Cache restored from key: ${cacheEntry && cacheEntry.cacheKey}`);
@@ -5238,6 +5142,81 @@ var personalaccesstoken_1 = __webpack_require__(327);
 exports.PersonalAccessTokenCredentialHandler = personalaccesstoken_1.PersonalAccessTokenCredentialHandler;
 
 
+/***/ }),
+
+/***/ 943:
+/***/ (function(__unusedmodule, exports, __webpack_require__) {
+
+"use strict";
+
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        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 exec_1 = __webpack_require__(986);
+const io = __importStar(__webpack_require__(1));
+const fs_1 = __webpack_require__(747);
+function getTarPath() {
+    return __awaiter(this, void 0, void 0, function* () {
+        // Explicitly use BSD Tar on Windows
+        const IS_WINDOWS = process.platform === "win32";
+        if (IS_WINDOWS) {
+            const systemTar = `${process.env["windir"]}\\System32\\tar.exe`;
+            if (fs_1.existsSync(systemTar)) {
+                return systemTar;
+            }
+        }
+        return yield io.which("tar", true);
+    });
+}
+function execTar(args) {
+    var _a, _b;
+    return __awaiter(this, void 0, void 0, function* () {
+        try {
+            const tarPath = yield getTarPath();
+            const tarExec = process.platform !== "win32" ? `sudo ${tarPath}` : tarPath;
+            yield exec_1.exec(`"${tarExec}"`, args);
+        }
+        catch (error) {
+            const IS_WINDOWS = process.platform === "win32";
+            if (IS_WINDOWS) {
+                throw new Error(`Tar failed with error: ${(_a = error) === null || _a === void 0 ? void 0 : _a.message}. Ensure BSD tar is installed and on the PATH.`);
+            }
+            throw new Error(`Tar failed with error: ${(_b = error) === null || _b === void 0 ? void 0 : _b.message}`);
+        }
+    });
+}
+function extractTar(archivePath, targetDirectory) {
+    return __awaiter(this, void 0, void 0, function* () {
+        // Create directory to extract tar into
+        yield io.mkdirP(targetDirectory);
+        const args = ["-xz", "-f", archivePath, "-C", targetDirectory];
+        yield execTar(args);
+    });
+}
+exports.extractTar = extractTar;
+function createTar(archivePath, sourceDirectory) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const args = ["-cz", "-f", archivePath, "-C", sourceDirectory, "."];
+        yield execTar(args);
+    });
+}
+exports.createTar = createTar;
+
+
 /***/ }),
 
 /***/ 986:

dist/save/index.js

@@ -1496,55 +1496,47 @@ const fs = __importStar(__webpack_require__(747));
 const Handlers_1 = __webpack_require__(941);
 const HttpClient_1 = __webpack_require__(874);
 const RestClient_1 = __webpack_require__(105);
-const utils = __importStar(__webpack_require__(443));
+function getCacheUrl() {
-function isSuccessStatusCode(statusCode) {
-    return statusCode >= 200 && statusCode < 300;
-}
-function getCacheApiUrl() {
     // Ideally we just use ACTIONS_CACHE_URL
-    const baseUrl = (process.env["ACTIONS_CACHE_URL"] ||
+    const cacheUrl = (process.env["ACTIONS_CACHE_URL"] ||
         process.env["ACTIONS_RUNTIME_URL"] ||
         "").replace("pipelines", "artifactcache");
-    if (!baseUrl) {
+    if (!cacheUrl) {
         throw new Error("Cache Service Url not found, unable to restore cache.");
     }
-    core.debug(`Cache Url: ${baseUrl}`);
+    core.debug(`Cache Url: ${cacheUrl}`);
-    return `${baseUrl}_apis/artifactcache/`;
+    return cacheUrl;
 }
 function createAcceptHeader(type, apiVersion) {
     return `${type};api-version=${apiVersion}`;
 }
 function getRequestOptions() {
     const requestOptions = {
-        acceptHeader: createAcceptHeader("application/json", "6.0-preview.1")
+        acceptHeader: createAcceptHeader("application/json", "5.2-preview.1")
     };
     return requestOptions;
 }
-function createRestClient() {
+function getCacheEntry(keys) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const cacheUrl = getCacheUrl();
         const token = process.env["ACTIONS_RUNTIME_TOKEN"] || "";
         const bearerCredentialHandler = new Handlers_1.BearerCredentialHandler(token);
-    return new RestClient_1.RestClient("actions/cache", getCacheApiUrl(), [
+        const resource = `_apis/artifactcache/cache?keys=${encodeURIComponent(keys.join(","))}`;
+        const restClient = new RestClient_1.RestClient("actions/cache", cacheUrl, [
             bearerCredentialHandler
         ]);
-}
-function getCacheEntry(keys) {
-    var _a;
-    return __awaiter(this, void 0, void 0, function* () {
-        const restClient = createRestClient();
-        const resource = `cache?keys=${encodeURIComponent(keys.join(","))}`;
         const response = yield restClient.get(resource, getRequestOptions());
         if (response.statusCode === 204) {
             return null;
         }
-        if (!isSuccessStatusCode(response.statusCode)) {
+        if (response.statusCode !== 200) {
             throw new Error(`Cache service responded with ${response.statusCode}`);
         }
         const cacheResult = response.result;
-        const cacheDownloadUrl = (_a = cacheResult) === null || _a === void 0 ? void 0 : _a.archiveLocation;
+        if (!cacheResult || !cacheResult.archiveLocation) {
-        if (!cacheDownloadUrl) {
             throw new Error("Cache not found.");
         }
-        core.setSecret(cacheDownloadUrl);
+        core.setSecret(cacheResult.archiveLocation);
         core.debug(`Cache Result:`);
         core.debug(JSON.stringify(cacheResult));
         return cacheResult;
@@ -1560,102 +1552,34 @@ function pipeResponseToStream(response, stream) {
         });
     });
 }
-function downloadCache(archiveLocation, archivePath) {
+function downloadCache(cacheEntry, archivePath) {
     return __awaiter(this, void 0, void 0, function* () {
         const stream = fs.createWriteStream(archivePath);
         const httpClient = new HttpClient_1.HttpClient("actions/cache");
-        const downloadResponse = yield httpClient.get(archiveLocation);
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        const downloadResponse = yield httpClient.get(cacheEntry.archiveLocation);
         yield pipeResponseToStream(downloadResponse, stream);
     });
 }
 exports.downloadCache = downloadCache;
-// Reserve Cache
+function saveCache(key, archivePath) {
-function reserveCache(key) {
-    var _a, _b, _c;
     return __awaiter(this, void 0, void 0, function* () {
-        const restClient = createRestClient();
+        const stream = fs.createReadStream(archivePath);
-        const reserveCacheRequest = {
+        const cacheUrl = getCacheUrl();
-            key
+        const token = process.env["ACTIONS_RUNTIME_TOKEN"] || "";
-        };
+        const bearerCredentialHandler = new Handlers_1.BearerCredentialHandler(token);
-        const response = yield restClient.create("caches", reserveCacheRequest, getRequestOptions());
+        const resource = `_apis/artifactcache/cache/${encodeURIComponent(key)}`;
-        return _c = (_b = (_a = response) === null || _a === void 0 ? void 0 : _a.result) === null || _b === void 0 ? void 0 : _b.cacheId, (_c !== null && _c !== void 0 ? _c : -1);
+        const postUrl = cacheUrl + resource;
-    });
+        const restClient = new RestClient_1.RestClient("actions/cache", undefined, [
-}
+            bearerCredentialHandler
-exports.reserveCache = reserveCache;
+        ]);
-function getContentRange(start, end) {
-    // Format: `bytes start-end/filesize
-    // start and end are inclusive
-    // filesize can be *
-    // For a 200 byte chunk starting at byte 0:
-    // Content-Range: bytes 0-199/*
-    return `bytes ${start}-${end}/*`;
-}
-// function bufferToStream(buffer: Buffer): NodeJS.ReadableStream {
-//     const stream = new Duplex();
-//     stream.push(buffer);
-//     stream.push(null);
-//     return stream;
-// }
-function uploadChunk(restClient, resourceUrl, data, start, end) {
-    return __awaiter(this, void 0, void 0, function* () {
-        core.debug(`Uploading chunk of size ${end - start + 1} bytes at offset ${start} with content range: ${getContentRange(start, end)}`);
         const requestOptions = getRequestOptions();
         requestOptions.additionalHeaders = {
-            "Content-Type": "application/octet-stream",
+            "Content-Type": "application/octet-stream"
-            "Content-Range": getContentRange(start, end)
         };
-        return yield restClient.uploadStream("PATCH", resourceUrl, data, requestOptions);
+        const response = yield restClient.uploadStream("POST", postUrl, stream, requestOptions);
-    });
+        if (response.statusCode !== 200) {
-}
+            throw new Error(`Cache service responded with ${response.statusCode}`);
-function commitCache(restClient, cacheId, filesize) {
-    return __awaiter(this, void 0, void 0, function* () {
-        const requestOptions = getRequestOptions();
-        const commitCacheRequest = { size: filesize };
-        return yield restClient.create(`caches/${cacheId.toString()}`, commitCacheRequest, requestOptions);
-    });
-}
-function uploadFile(restClient, cacheId, archivePath) {
-    return __awaiter(this, void 0, void 0, function* () {
-        // Upload Chunks
-        const fileSize = fs.statSync(archivePath).size;
-        const resourceUrl = getCacheApiUrl() + "caches/" + cacheId.toString();
-        const responses = [];
-        const fd = fs.openSync(archivePath, "r");
-        const concurrency = 16; // # of HTTP requests in parallel
-        const MAX_CHUNK_SIZE = 32000000; // 32 MB Chunks
-        core.debug(`Concurrency: ${concurrency} and Chunk Size: ${MAX_CHUNK_SIZE}`);
-        const parallelUploads = [...new Array(concurrency).keys()];
-        core.debug("Awaiting all uploads");
-        let offset = 0;
-        yield Promise.all(parallelUploads.map(() => __awaiter(this, void 0, void 0, function* () {
-            while (offset < fileSize) {
-                const chunkSize = offset + MAX_CHUNK_SIZE > fileSize ? fileSize - offset : MAX_CHUNK_SIZE;
-                const start = offset;
-                const end = offset + chunkSize - 1;
-                offset += MAX_CHUNK_SIZE;
-                const chunk = fs.createReadStream(archivePath, { fd, start, end, autoClose: false });
-                responses.push(yield uploadChunk(restClient, resourceUrl, chunk, start, end));
-            }
-        })));
-        fs.closeSync(fd);
-        const failedResponse = responses.find(x => !isSuccessStatusCode(x.statusCode));
-        if (failedResponse) {
-            throw new Error(`Cache service responded with ${failedResponse.statusCode} during chunk upload.`);
-        }
-        return;
-    });
-}
-function saveCache(cacheId, archivePath) {
-    return __awaiter(this, void 0, void 0, function* () {
-        const restClient = createRestClient();
-        core.debug("Upload cache");
-        yield uploadFile(restClient, cacheId, archivePath);
-        core.debug("Commiting cache");
-        // Commit Cache
-        const cacheSize = utils.getArchiveFileSize(archivePath);
-        const commitCacheResponse = yield commitCache(restClient, cacheId, cacheSize);
-        if (!isSuccessStatusCode(commitCacheResponse.statusCode)) {
-            throw new Error(`Cache service responded with ${commitCacheResponse.statusCode} during commit cache.`);
         }
         core.info("Cache saved successfully");
     });
@@ -2955,11 +2879,10 @@ var __importStar = (this && this.__importStar) || function (mod) {
 };
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(__webpack_require__(470));
-const exec_1 = __webpack_require__(986);
-const io = __importStar(__webpack_require__(1));
 const path = __importStar(__webpack_require__(622));
 const cacheHttpClient = __importStar(__webpack_require__(154));
 const constants_1 = __webpack_require__(694);
+const tar_1 = __webpack_require__(943);
 const utils = __importStar(__webpack_require__(443));
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
@@ -2981,44 +2904,19 @@ function run() {
                 core.info(`Cache hit occurred on the primary key ${primaryKey}, not saving cache.`);
                 return;
             }
-            core.debug("Reserving Cache");
-            const cacheId = yield cacheHttpClient.reserveCache(primaryKey);
-            if (cacheId < 0) {
-                core.info(`Unable to reserve cache with key ${primaryKey}, another job may be creating this cache.`);
-                return;
-            }
-            core.debug(`Cache ID: ${cacheId}`);
             const cachePath = utils.resolvePath(core.getInput(constants_1.Inputs.Path, { required: true }));
             core.debug(`Cache Path: ${cachePath}`);
             const archivePath = path.join(yield utils.createTempDirectory(), "cache.tgz");
             core.debug(`Archive Path: ${archivePath}`);
-            // http://man7.org/linux/man-pages/man1/tar.1.html
+            yield tar_1.createTar(archivePath, cachePath);
-            // tar [-options] <name of the tar archive> [files or directories which to add into archive]
+            const fileSizeLimit = 400 * 1024 * 1024; // 400MB
-            const IS_WINDOWS = process.platform === "win32";
-            const args = IS_WINDOWS
-                ? [
-                    "-cz",
-                    "--force-local",
-                    "-f",
-                    archivePath.replace(/\\/g, "/"),
-                    "-C",
-                    cachePath.replace(/\\/g, "/"),
-                    "."
-                ]
-                : ["-cz", "-f", archivePath, "-C", cachePath, "."];
-            const tarPath = yield io.which("tar", true);
-            core.debug(`Tar Path: ${tarPath}`);
-            yield exec_1.exec(`"${tarPath}"`, args);
-            const fileSizeLimit = 2 * 1024 * 1024 * 1024; // 2GB per repo limit
             const archiveFileSize = utils.getArchiveFileSize(archivePath);
             core.debug(`File Size: ${archiveFileSize}`);
             if (archiveFileSize > fileSizeLimit) {
-                utils.logWarning(`Cache size of ~${Math.round(archiveFileSize / (1024 * 1024 * 1024))} GB (${archiveFileSize} B) is over the 2GB limit, not saving cache.`);
+                utils.logWarning(`Cache size of ~${Math.round(archiveFileSize / (1024 * 1024))} MB (${archiveFileSize} B) is over the 400MB limit, not saving cache.`);
                 return;
             }
-            yield exec_1.exec(`md5sum`, [archivePath]);
+            yield cacheHttpClient.saveCache(primaryKey, archivePath);
-            core.debug("Saving Cache");
-            yield cacheHttpClient.saveCache(cacheId, archivePath);
         }
         catch (error) {
             utils.logWarning(error.message);
@@ -5218,6 +5116,81 @@ var personalaccesstoken_1 = __webpack_require__(327);
 exports.PersonalAccessTokenCredentialHandler = personalaccesstoken_1.PersonalAccessTokenCredentialHandler;
 
 
+/***/ }),
+
+/***/ 943:
+/***/ (function(__unusedmodule, exports, __webpack_require__) {
+
+"use strict";
+
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        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 exec_1 = __webpack_require__(986);
+const io = __importStar(__webpack_require__(1));
+const fs_1 = __webpack_require__(747);
+function getTarPath() {
+    return __awaiter(this, void 0, void 0, function* () {
+        // Explicitly use BSD Tar on Windows
+        const IS_WINDOWS = process.platform === "win32";
+        if (IS_WINDOWS) {
+            const systemTar = `${process.env["windir"]}\\System32\\tar.exe`;
+            if (fs_1.existsSync(systemTar)) {
+                return systemTar;
+            }
+        }
+        return yield io.which("tar", true);
+    });
+}
+function execTar(args) {
+    var _a, _b;
+    return __awaiter(this, void 0, void 0, function* () {
+        try {
+            const tarPath = yield getTarPath();
+            const tarExec = process.platform !== "win32" ? `sudo ${tarPath}` : tarPath;
+            yield exec_1.exec(`"${tarExec}"`, args);
+        }
+        catch (error) {
+            const IS_WINDOWS = process.platform === "win32";
+            if (IS_WINDOWS) {
+                throw new Error(`Tar failed with error: ${(_a = error) === null || _a === void 0 ? void 0 : _a.message}. Ensure BSD tar is installed and on the PATH.`);
+            }
+            throw new Error(`Tar failed with error: ${(_b = error) === null || _b === void 0 ? void 0 : _b.message}`);
+        }
+    });
+}
+function extractTar(archivePath, targetDirectory) {
+    return __awaiter(this, void 0, void 0, function* () {
+        // Create directory to extract tar into
+        yield io.mkdirP(targetDirectory);
+        const args = ["-xz", "-f", archivePath, "-C", targetDirectory];
+        yield execTar(args);
+    });
+}
+exports.extractTar = extractTar;
+function createTar(archivePath, sourceDirectory) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const args = ["-cz", "-f", archivePath, "-C", sourceDirectory, "."];
+        yield execTar(args);
+    });
+}
+exports.createTar = createTar;
+
+
 /***/ }),
 
 /***/ 986:

examples.md

@@ -1,6 +1,6 @@
 # Examples
 
-- [C# - Nuget](#c---nuget)
+- [C# - NuGet](#c---nuget)
 - [Elixir - Mix](#elixir---mix)
 - [Go - Modules](#go---modules)
 - [Java - Gradle](#java---gradle)
@@ -14,7 +14,7 @@
 - [Swift, Objective-C - Carthage](#swift-objective-c---carthage)
 - [Swift, Objective-C - CocoaPods](#swift-objective-c---cocoapods)
 
-## C# - Nuget
+## C# - NuGet
 Using [NuGet lock files](https://docs.microsoft.com/nuget/consume-packages/package-references-in-project-files#locking-dependencies):
 
 ```yaml
@@ -26,6 +26,21 @@ Using [NuGet lock files](https://docs.microsoft.com/nuget/consume-packages/packa
       ${{ runner.os }}-nuget-
 ```
 
+Depending on the environment, huge packages might be pre-installed in the global cache folder.
+If you do not want to include them, consider to move the cache folder like below.
+>Note: This workflow does not work for projects that require files to be placed in user profile package folder
+```yaml
+env:
+  NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
+steps:
+  - uses: actions/cache@v1
+    with:
+      path: ${{ github.workspace }}/.nuget/packages
+      key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}
+      restore-keys: |
+        ${{ runner.os }}-nuget-
+```
+
 ## Elixir - Mix
 ```yaml
 - uses: actions/cache@v1

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cache",
-  "version": "1.1.0",
+  "version": "1.0.3",
   "private": true,
   "description": "Cache dependencies and build outputs",
   "main": "dist/restore/index.js",

src/cacheHttpClient.ts

@@ -3,37 +3,24 @@ import * as fs from "fs";
 import { BearerCredentialHandler } from "typed-rest-client/Handlers";
 import { HttpClient } from "typed-rest-client/HttpClient";
 import { IHttpClientResponse } from "typed-rest-client/Interfaces";
-import {
+import { IRequestOptions, RestClient } from "typed-rest-client/RestClient";
-    IRequestOptions,
+import { ArtifactCacheEntry } from "./contracts";
-    RestClient,
-    IRestResponse
-} from "typed-rest-client/RestClient";
-import {
-    ArtifactCacheEntry,
-    CommitCacheRequest,
-    ReserveCacheRequest,
-    ReserverCacheResponse
-} from "./contracts";
-import * as utils from "./utils/actionUtils";
 
-function isSuccessStatusCode(statusCode: number): boolean {
+function getCacheUrl(): string {
-    return statusCode >= 200 && statusCode < 300;
-}
-function getCacheApiUrl(): string {
     // Ideally we just use ACTIONS_CACHE_URL
-    const baseUrl: string = (
+    const cacheUrl: string = (
         process.env["ACTIONS_CACHE_URL"] ||
         process.env["ACTIONS_RUNTIME_URL"] ||
         ""
     ).replace("pipelines", "artifactcache");
-    if (!baseUrl) {
+    if (!cacheUrl) {
         throw new Error(
             "Cache Service Url not found, unable to restore cache."
         );
     }
 
-    core.debug(`Cache Url: ${baseUrl}`);
+    core.debug(`Cache Url: ${cacheUrl}`);
-    return `${baseUrl}_apis/artifactcache/`;
+    return cacheUrl;
 }
 
 function createAcceptHeader(type: string, apiVersion: string): string {
@@ -42,26 +29,26 @@ function createAcceptHeader(type: string, apiVersion: string): string {
 
 function getRequestOptions(): IRequestOptions {
     const requestOptions: IRequestOptions = {
-        acceptHeader: createAcceptHeader("application/json", "6.0-preview.1")
+        acceptHeader: createAcceptHeader("application/json", "5.2-preview.1")
     };
 
     return requestOptions;
 }
 
-function createRestClient(): RestClient {
-    const token = process.env["ACTIONS_RUNTIME_TOKEN"] || "";
-    const bearerCredentialHandler = new BearerCredentialHandler(token);
-
-    return new RestClient("actions/cache", getCacheApiUrl(), [
-        bearerCredentialHandler
-    ]);
-}
-
 export async function getCacheEntry(
     keys: string[]
 ): Promise<ArtifactCacheEntry | null> {
-    const restClient = createRestClient();
+    const cacheUrl = getCacheUrl();
-    const resource = `cache?keys=${encodeURIComponent(keys.join(","))}`;
+    const token = process.env["ACTIONS_RUNTIME_TOKEN"] || "";
+    const bearerCredentialHandler = new BearerCredentialHandler(token);
+
+    const resource = `_apis/artifactcache/cache?keys=${encodeURIComponent(
+        keys.join(",")
+    )}`;
+
+    const restClient = new RestClient("actions/cache", cacheUrl, [
+        bearerCredentialHandler
+    ]);
 
     const response = await restClient.get<ArtifactCacheEntry>(
         resource,
@@ -70,15 +57,14 @@ export async function getCacheEntry(
     if (response.statusCode === 204) {
         return null;
     }
-    if (!isSuccessStatusCode(response.statusCode)) {
+    if (response.statusCode !== 200) {
         throw new Error(`Cache service responded with ${response.statusCode}`);
     }
     const cacheResult = response.result;
-    const cacheDownloadUrl = cacheResult?.archiveLocation;
+    if (!cacheResult || !cacheResult.archiveLocation) {
-    if (!cacheDownloadUrl) {
         throw new Error("Cache not found.");
     }
-    core.setSecret(cacheDownloadUrl);
+    core.setSecret(cacheResult.archiveLocation);
     core.debug(`Cache Result:`);
     core.debug(JSON.stringify(cacheResult));
 
@@ -97,165 +83,46 @@ async function pipeResponseToStream(
 }
 
 export async function downloadCache(
-    archiveLocation: string,
+    cacheEntry: ArtifactCacheEntry,
     archivePath: string
 ): Promise<void> {
     const stream = fs.createWriteStream(archivePath);
     const httpClient = new HttpClient("actions/cache");
-    const downloadResponse = await httpClient.get(archiveLocation);
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    const downloadResponse = await httpClient.get(cacheEntry.archiveLocation!);
     await pipeResponseToStream(downloadResponse, stream);
 }
 
-// Reserve Cache
+export async function saveCache(
-export async function reserveCache(key: string): Promise<number> {
+    key: string,
-    const restClient = createRestClient();
+    archivePath: string
+): Promise<void> {
+    const stream = fs.createReadStream(archivePath);
 
-    const reserveCacheRequest: ReserveCacheRequest = {
+    const cacheUrl = getCacheUrl();
-        key
+    const token = process.env["ACTIONS_RUNTIME_TOKEN"] || "";
-    };
+    const bearerCredentialHandler = new BearerCredentialHandler(token);
-    const response = await restClient.create<ReserverCacheResponse>(
-        "caches",
-        reserveCacheRequest,
-        getRequestOptions()
-    );
 
-    return response?.result?.cacheId ?? -1;
+    const resource = `_apis/artifactcache/cache/${encodeURIComponent(key)}`;
-}
+    const postUrl = cacheUrl + resource;
 
-function getContentRange(start: number, end: number): string {
+    const restClient = new RestClient("actions/cache", undefined, [
-    // Format: `bytes start-end/filesize
+        bearerCredentialHandler
-    // start and end are inclusive
+    ]);
-    // filesize can be *
-    // For a 200 byte chunk starting at byte 0:
-    // Content-Range: bytes 0-199/*
-    return `bytes ${start}-${end}/*`;
-}
 
-async function uploadChunk(
-    restClient: RestClient,
-    resourceUrl: string,
-    data: NodeJS.ReadableStream,
-    start: number,
-    end: number
-): Promise<IRestResponse<void>> {
-    core.debug(
-        `Uploading chunk of size ${end -
-            start +
-            1} bytes at offset ${start} with content range: ${getContentRange(
-            start,
-            end
-        )}`
-    );
     const requestOptions = getRequestOptions();
     requestOptions.additionalHeaders = {
-        "Content-Type": "application/octet-stream",
+        "Content-Type": "application/octet-stream"
-        "Content-Range": getContentRange(start, end)
     };
 
-    return await restClient.uploadStream<void>(
+    const response = await restClient.uploadStream<void>(
-        "PATCH",
+        "POST",
-        resourceUrl,
+        postUrl,
-        data,
+        stream,
         requestOptions
     );
-}
+    if (response.statusCode !== 200) {
-
+        throw new Error(`Cache service responded with ${response.statusCode}`);
-async function uploadFile(
-    restClient: RestClient,
-    cacheId: number,
-    archivePath: string
-): Promise<void> {
-    // Upload Chunks
-    const fileSize = fs.statSync(archivePath).size;
-    const resourceUrl = getCacheApiUrl() + "caches/" + cacheId.toString();
-    const responses: IRestResponse<void>[] = [];
-    const fd = fs.openSync(archivePath, "r");
-
-    const concurrency = 4; // # of HTTP requests in parallel
-    const MAX_CHUNK_SIZE = 32000000; // 32 MB Chunks
-    core.debug(`Concurrency: ${concurrency} and Chunk Size: ${MAX_CHUNK_SIZE}`);
-
-    const parallelUploads = [...new Array(concurrency).keys()];
-    core.debug("Awaiting all uploads");
-    let offset = 0;
-    await Promise.all(
-        parallelUploads.map(async () => {
-            while (offset < fileSize) {
-                const chunkSize =
-                    offset + MAX_CHUNK_SIZE > fileSize
-                        ? fileSize - offset
-                        : MAX_CHUNK_SIZE;
-                const start = offset;
-                const end = offset + chunkSize - 1;
-                offset += MAX_CHUNK_SIZE;
-                const chunk = fs.createReadStream(archivePath, {
-                    fd,
-                    start,
-                    end,
-                    autoClose: false
-                });
-                responses.push(
-                    await uploadChunk(
-                        restClient,
-                        resourceUrl,
-                        chunk,
-                        start,
-                        end
-                    )
-                );
-            }
-        })
-    );
-
-    fs.closeSync(fd);
-
-    const failedResponse = responses.find(
-        x => !isSuccessStatusCode(x.statusCode)
-    );
-    if (failedResponse) {
-        throw new Error(
-            `Cache service responded with ${failedResponse.statusCode} during chunk upload.`
-        );
-    }
-
-    return;
-}
-
-async function commitCache(
-    restClient: RestClient,
-    cacheId: number,
-    filesize: number
-): Promise<IRestResponse<void>> {
-    const requestOptions = getRequestOptions();
-    const commitCacheRequest: CommitCacheRequest = { size: filesize };
-    return await restClient.create(
-        `caches/${cacheId.toString()}`,
-        commitCacheRequest,
-        requestOptions
-    );
-}
-
-export async function saveCache(
-    cacheId: number,
-    archivePath: string
-): Promise<void> {
-    const restClient = createRestClient();
-
-    core.debug("Upload cache");
-    await uploadFile(restClient, cacheId, archivePath);
-
-    // Commit Cache
-    core.debug("Commiting cache");
-    const cacheSize = utils.getArchiveFileSize(archivePath);
-    const commitCacheResponse = await commitCache(
-        restClient,
-        cacheId,
-        cacheSize
-    );
-    if (!isSuccessStatusCode(commitCacheResponse.statusCode)) {
-        throw new Error(
-            `Cache service responded with ${commitCacheResponse.statusCode} during commit cache.`
-        );
     }
 
     core.info("Cache saved successfully");

src/contracts.d.ts

@@ -4,16 +4,3 @@ export interface ArtifactCacheEntry {
     creationTime?: string;
     archiveLocation?: string;
 }
-
-export interface CommitCacheRequest {
-    size: number;
-}
-
-export interface ReserveCacheRequest {
-    key: string;
-    version?: string;
-}
-
-export interface ReserverCacheResponse {
-    cacheId: number;
-}

src/restore.ts

@@ -1,9 +1,8 @@
 import * as core from "@actions/core";
-import { exec } from "@actions/exec";
-import * as io from "@actions/io";
 import * as path from "path";
 import * as cacheHttpClient from "./cacheHttpClient";
 import { Events, Inputs, State } from "./constants";
+import { extractTar } from "./tar";
 import * as utils from "./utils/actionUtils";
 
 async function run(): Promise<void> {
@@ -61,7 +60,7 @@ async function run(): Promise<void> {
 
         try {
             const cacheEntry = await cacheHttpClient.getCacheEntry(keys);
-            if (!cacheEntry || !cacheEntry?.archiveLocation) {
+            if (!cacheEntry) {
                 core.info(
                     `Cache not found for input keys: ${keys.join(", ")}.`
                 );
@@ -78,10 +77,7 @@ async function run(): Promise<void> {
             utils.setCacheState(cacheEntry);
 
             // Download the cache from the cache entry
-            await cacheHttpClient.downloadCache(
+            await cacheHttpClient.downloadCache(cacheEntry, archivePath);
-                cacheEntry?.archiveLocation,
-                archivePath
-            );
 
             const archiveFileSize = utils.getArchiveFileSize(archivePath);
             core.info(
@@ -90,27 +86,7 @@ async function run(): Promise<void> {
                 )} MB (${archiveFileSize} B)`
             );
 
-            // Create directory to extract tar into
+            await extractTar(archivePath, cachePath);
-            await io.mkdirP(cachePath);
-
-            // http://man7.org/linux/man-pages/man1/tar.1.html
-            // tar [-options] <name of the tar archive> [files or directories which to add into archive]
-            const IS_WINDOWS = process.platform === "win32";
-            const args = IS_WINDOWS
-                ? [
-                      "-xz",
-                      "--force-local",
-                      "-f",
-                      archivePath.replace(/\\/g, "/"),
-                      "-C",
-                      cachePath.replace(/\\/g, "/")
-                  ]
-                : ["-xz", "-f", archivePath, "-C", cachePath];
-
-            const tarPath = await io.which("tar", true);
-            core.debug(`Tar Path: ${tarPath}`);
-
-            await exec(`"${tarPath}"`, args);
 
             const isExactKeyMatch = utils.isExactKeyMatch(
                 primaryKey,

src/save.ts

@@ -1,9 +1,8 @@
 import * as core from "@actions/core";
-import { exec } from "@actions/exec";
-import * as io from "@actions/io";
 import * as path from "path";
 import * as cacheHttpClient from "./cacheHttpClient";
 import { Events, Inputs, State } from "./constants";
+import { createTar } from "./tar";
 import * as utils from "./utils/actionUtils";
 
 async function run(): Promise<void> {
@@ -35,15 +34,6 @@ async function run(): Promise<void> {
             return;
         }
 
-        core.debug("Reserving Cache");
-        const cacheId = await cacheHttpClient.reserveCache(primaryKey);
-        if (cacheId < 0) {
-            core.info(
-                `Unable to reserve cache with key ${primaryKey}, another job may be creating this cache.`
-            );
-            return;
-        }
-        core.debug(`Cache ID: ${cacheId}`);
         const cachePath = utils.resolvePath(
             core.getInput(Inputs.Path, { required: true })
         );
@@ -55,39 +45,21 @@ async function run(): Promise<void> {
         );
         core.debug(`Archive Path: ${archivePath}`);
 
-        // http://man7.org/linux/man-pages/man1/tar.1.html
+        await createTar(archivePath, cachePath);
-        // tar [-options] <name of the tar archive> [files or directories which to add into archive]
-        const IS_WINDOWS = process.platform === "win32";
-        const args = IS_WINDOWS
-            ? [
-                  "-cz",
-                  "--force-local",
-                  "-f",
-                  archivePath.replace(/\\/g, "/"),
-                  "-C",
-                  cachePath.replace(/\\/g, "/"),
-                  "."
-              ]
-            : ["-cz", "-f", archivePath, "-C", cachePath, "."];
 
-        const tarPath = await io.which("tar", true);
+        const fileSizeLimit = 400 * 1024 * 1024; // 400MB
-        core.debug(`Tar Path: ${tarPath}`);
-        await exec(`"${tarPath}"`, args);
-
-        const fileSizeLimit = 2 * 1024 * 1024 * 1024; // 2GB per repo limit
         const archiveFileSize = utils.getArchiveFileSize(archivePath);
         core.debug(`File Size: ${archiveFileSize}`);
         if (archiveFileSize > fileSizeLimit) {
             utils.logWarning(
                 `Cache size of ~${Math.round(
-                    archiveFileSize / (1024 * 1024 * 1024)
+                    archiveFileSize / (1024 * 1024)
-                )} GB (${archiveFileSize} B) is over the 2GB limit, not saving cache.`
+                )} MB (${archiveFileSize} B) is over the 400MB limit, not saving cache.`
             );
             return;
         }
 
-        core.debug("Saving Cache");
+        await cacheHttpClient.saveCache(primaryKey, archivePath);
-        await cacheHttpClient.saveCache(cacheId, archivePath);
     } catch (error) {
         utils.logWarning(error.message);
     }

src/tar.ts

@@ -0,0 +1,49 @@
+import { exec } from "@actions/exec";
+import * as io from "@actions/io";
+import { existsSync } from "fs";
+
+async function getTarPath(): Promise<string> {
+    // Explicitly use BSD Tar on Windows
+    const IS_WINDOWS = process.platform === "win32";
+    if (IS_WINDOWS) {
+        const systemTar = `${process.env["windir"]}\\System32\\tar.exe`;
+        if (existsSync(systemTar)) {
+            return systemTar;
+        }
+    }
+    return await io.which("tar", true);
+}
+
+async function execTar(args: string[]): Promise<void> {
+    try {
+        const tarPath = await getTarPath();
+        const tarExec = process.platform !== "win32" ? `sudo ${tarPath}` : tarPath;
+        await exec(`"${tarExec}"`, args);
+    } catch (error) {
+        const IS_WINDOWS = process.platform === "win32";
+        if (IS_WINDOWS) {
+            throw new Error(
+                `Tar failed with error: ${error?.message}. Ensure BSD tar is installed and on the PATH.`
+            );
+        }
+        throw new Error(`Tar failed with error: ${error?.message}`);
+    }
+}
+
+export async function extractTar(
+    archivePath: string,
+    targetDirectory: string
+): Promise<void> {
+    // Create directory to extract tar into
+    await io.mkdirP(targetDirectory);
+    const args = ["-xz", "-f", archivePath, "-C", targetDirectory];
+    await execTar(args);
+}
+
+export async function createTar(
+    archivePath: string,
+    sourceDirectory: string
+): Promise<void> {
+    const args = ["-cz", "-f", archivePath, "-C", sourceDirectory, "."];
+    await execTar(args);
+}