Add support for tilde expansion (#50)

* Add support for tilde expansion

* Print resolved path with debug

* Update README

* README

* Only replace tilde in certain scenarios

* Fix

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,47 @@
+name: "Code scanning - action"
+
+on:
+  push:
+    paths-ignore:
+      - '**.md'
+  schedule:
+    - cron: '0 11 * * 5'
+
+jobs:
+  CodeQL-Build:
+
+    strategy:
+      fail-fast: false
+
+    # CodeQL runs on ubuntu-latest and windows-latest
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      # Override language selection by uncommenting this and choosing your languages
+      # with:
+      #   languages: go, javascript, csharp, python, cpp, java
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

.github/workflows/test.yml

@@ -68,16 +68,24 @@ jobs:
         name: 'Artifact-A'
         path: some/new/path
 
+    # Test downloading an artifact using tilde expansion
+    - name: Download artifact A
+      uses: ./
+      with:
+        name: 'Artifact-A'
+        path: ~/some/path/with/a/tilde
+
     - name: Verify successful download
       run: |
-        $file = "some/new/path/file-A.txt"
-        if(!(Test-Path -path $file))
+        $file1 = "some/new/path/file-A.txt"
+        $file2 = "~/some/path/with/a/tilde/file-A.txt"
+        if(!(Test-Path -path $file1) -or !(Test-Path -path $file2))
         {
-            Write-Error "Expected file does not exist"
+            Write-Error "Expected files do not exist"
         }
-        if(!((Get-Content $file) -ceq "Lorem ipsum dolor sit amet"))
+        if(!((Get-Content $file1) -ceq "Lorem ipsum dolor sit amet") -or !((Get-Content $file2) -ceq "Lorem ipsum dolor sit amet"))
         {
-            Write-Error "File contents of downloaded artifact are incorrect"
+            Write-Error "File contents of downloaded artifacts are incorrect"
         }
       shell: pwsh
 

CODE_OF_CONDUCT.md

@@ -0,0 +1,76 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to make participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+  advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies within all project spaces, and it also applies when
+an individual is representing the project or its community in public spaces.
+Examples of representing a project or community include using an official
+project e-mail address, posting via an official social media account, or acting
+as an appointed representative at an online or offline event. Representation of
+a project may be further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at opensource@github.com. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

CONTRIBUTING.md

@@ -0,0 +1,52 @@
+## Contributing
+
+[fork]: https://github.com/actions/download-artifact/fork
+[pr]: https://github.com/actions/download-artifact/compare
+[style]: https://github.com/styleguide/js
+[code-of-conduct]: CODE_OF_CONDUCT.md
+
+Hi there! We're thrilled that you'd like to contribute to this project. Your help is essential for keeping it great.
+
+Contributions to this project are [released](https://help.github.com/articles/github-terms-of-service/#6-contributions-under-repository-license) to the public under the [project's open source license](LICENSE).
+
+Please note that this project is released with a [Contributor Code of Conduct][code-of-conduct]. By participating in this project you agree to abide by its terms.
+
+## Found a bug?
+
+- **Ensure the bug was not already reported** by searching on GitHub under [Issues](https://github.com/actions/download-artifact/issues).
+- If you're unable to find an open issue addressing the problem, [open a new one](https://github.com/actions/download-artifact/issues/new). Be sure to include a **title and clear description**, as much relevant information as possible, and a **code sample** or a **reproducable test case** demonstrating the expected behavior that is not occurring.
+- If possible, use the relevant bug report templates to create the issue.
+
+## What should I know before submitting a pull request or issue
+
+The code related to `download-artifact` is split between this repository and [actions/toolkit](https://github.com/actions/toolkit) where the `@actions/artifact` npm package is housed. The npm package contains the core functionality to interact with artifacts. Any extra functionality on top of interacting with the apis such as search is inside this repository.
+Artifact related issues will be tracked in this repository so please do not open duplicate issues in `actions/toolkit`.
+
+## Submitting a pull request
+
+1. [Fork][fork] and clone the repository
+2. Configure and install the dependencies: `npm install`
+3. Make sure the tests pass on your machine: `npm run test`
+4. Create a new branch: `git checkout -b my-branch-name`
+5. Make your change, add tests, and make sure the tests still pass
+6. Make sure your code is correctly formatted: `npm run format`
+7. Make sure your code passes linting: `npm run lint`
+8. Update `dist/index.js` using `npm run release`. This creates a single javascript file that is used as an entry-point for the action
+7. Push to your fork and [submit a pull request][pr]
+8. Pat your self on the back and wait for your pull request to be reviewed and merged.
+
+Here are a few things you can do that will increase the likelihood of your pull request being accepted:
+
+- Write tests.
+- Keep your change as focused as possible. If there are multiple changes you would like to make that are not dependent upon each other, consider submitting them as separate pull requests.
+- Write a [good commit message](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html).
+
+## Resources
+
+- [How to Contribute to Open Source](https://opensource.guide/how-to-contribute/)
+- [Using Pull Requests](https://help.github.com/articles/about-pull-requests/)
+- [GitHub Help](https://help.github.com)
+
+Thanks! :heart: :heart: :heart:
+
+GitHub Actions Team :octocat:

README.md

@@ -7,6 +7,7 @@ See also [upload-artifact](https://github.com/actions/upload-artifact).
 # What's new
 
 - Download all artifacts at once
+- Output parameter for the download path
 - Port entire action to typescript from a runner plugin so it is easier to collaborate and accept contributions
 
 Refer [here](https://github.com/actions/download-artifact/tree/v1) for the previous version
@@ -44,10 +45,42 @@ steps:
   run: ls -R
   working-directory: path/to/artifact
 ```
+
+Basic tilde expansion is supported for the `path` input:
+```yaml
+  - uses: actions/download-artifact@v2
+    with:
+      name: my-artifact
+      path: ~/download/path
+```
+
+## Compatibility between `v1` and `v2`
+
+When using `download-artifact@v1`, a directory denoted by the name of the artifact would be created if the `path` input was not provided. All of the contents would be downloaded to this directory.
+```
+   current/working/directory/
+      my-artifact/
+          ... contents of my-artifact
+```
+
+With `v2`, there is no longer an extra directory that is created if the `path` input is not provided. All the contents are downloaded to the current working directory.
+```
+   current/working/directory/
+      ... contents of my-artifact
+```
+
+To maintain the same behavior for `v2`, you can set the `path` to the name of the artifact so an extra directory gets created.
+```
+- uses: actions/download-artifact@v2
+  with:
+    name: my-artifact
+    path: my-artifact
+```
+
+
 # Download All Artifacts
 
-If the `name` input parameter is not provided, all artifacts will be downloaded. To differentiate between downloaded artifacts, a directory denoted by the artifacts name will be created for each individual artifact.
-
+If the `name` input parameter is not provided, all artifacts will be downloaded. **To differentiate between downloaded artifacts, a directory denoted by the artifacts name will be created for each individual artifact.**
 Example, if there are two artifacts `Artifact-A` and `Artifact-B`, and the directory is `etc/usr/artifacts/`, the directory structure will look like this:
 ```
   etc/usr/artifacts/
@@ -82,9 +115,29 @@ steps:
   run: ls -R
 ```
 
+# Download path output
+
+The `download-path` step output contains information regarding where the artifact was downloaded to. This output can be used for a variety of purposes such as logging or as input to other actions. Be aware of the extra directory that is created if downloading all artifacts (no name specified).
+
+```yaml
+steps:
+- uses: actions/checkout@v2
+
+- uses: actions/download-artifact@v2
+  id: download
+  with:
+    name: 'my-artifact'
+    path: path/to/artifacts
+
+- name: 'Echo download path'
+  run: echo ${{steps.download.outputs.download-path}}
+```
+
+> Note: The `id` defined in the `download/artifact` step must match the `id` defined in the `echo` step (i.e `steps.[ID].outputs.download-path`)
+
 # @actions/artifact package
 
-Internally the [@actions/artifact](https://github.com/actions/toolkit/tree/master/packages/artifact) NPM package is used to interact with artifacts. You can find additional documentation there along with all the source code related to artifact download.
+Internally the [@actions/artifact](https://github.com/actions/toolkit/tree/main/packages/artifact) NPM package is used to interact with artifacts. You can find additional documentation there along with all the source code related to artifact download.
 
 
 # License

dist/index.js

@@ -2563,7 +2563,9 @@ class BasicCredentialHandler {
         this.password = password;
     }
     prepareRequest(options) {
-        options.headers['Authorization'] = 'Basic ' + Buffer.from(this.username + ':' + this.password).toString('base64');
+        options.headers['Authorization'] =
+            'Basic ' +
+                Buffer.from(this.username + ':' + this.password).toString('base64');
     }
     // This handler cannot handle 401
     canHandleAuthentication(response) {
@@ -2599,7 +2601,8 @@ class PersonalAccessTokenCredentialHandler {
     // currently implements pre-authorization
     // TODO: support preAuth = false where it hooks on 401
     prepareRequest(options) {
-        options.headers['Authorization'] = 'Basic ' + Buffer.from('PAT:' + this.token).toString('base64');
+        options.headers['Authorization'] =
+            'Basic ' + Buffer.from('PAT:' + this.token).toString('base64');
     }
     // This handler cannot handle 401
     canHandleAuthentication(response) {
@@ -4511,14 +4514,28 @@ class Command {
         return cmdStr;
     }
 }
+/**
+ * Sanitizes an input into a string so it can be passed into issueCommand safely
+ * @param input input to sanitize into a string
+ */
+function toCommandValue(input) {
+    if (input === null || input === undefined) {
+        return '';
+    }
+    else if (typeof input === 'string' || input instanceof String) {
+        return input;
+    }
+    return JSON.stringify(input);
+}
+exports.toCommandValue = toCommandValue;
 function escapeData(s) {
-    return (s || '')
+    return toCommandValue(s)
         .replace(/%/g, '%25')
         .replace(/\r/g, '%0D')
         .replace(/\n/g, '%0A');
 }
 function escapeProperty(s) {
-    return (s || '')
+    return toCommandValue(s)
         .replace(/%/g, '%25')
         .replace(/\r/g, '%0D')
         .replace(/\n/g, '%0A')
@@ -4611,11 +4628,13 @@ var ExitCode;
 /**
  * Sets env variable for this action and future actions in the job
  * @param name the name of the variable to set
- * @param val the value of the variable
+ * @param val the value of the variable. Non-string values will be converted to a string via JSON.stringify
  */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 function exportVariable(name, val) {
-    process.env[name] = val;
-    command_1.issueCommand('set-env', { name }, val);
+    const convertedVal = command_1.toCommandValue(val);
+    process.env[name] = convertedVal;
+    command_1.issueCommand('set-env', { name }, convertedVal);
 }
 exports.exportVariable = exportVariable;
 /**
@@ -4654,12 +4673,22 @@ exports.getInput = getInput;
  * Sets the value of an output.
  *
  * @param     name     name of the output to set
- * @param     value    value to store
+ * @param     value    value to store. Non-string values will be converted to a string via JSON.stringify
  */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 function setOutput(name, value) {
     command_1.issueCommand('set-output', { name }, value);
 }
 exports.setOutput = setOutput;
+/**
+ * Enables or disables the echoing of commands into stdout for the rest of the step.
+ * Echoing is disabled by default if ACTIONS_STEP_DEBUG is not set.
+ *
+ */
+function setCommandEcho(enabled) {
+    command_1.issue('echo', enabled ? 'on' : 'off');
+}
+exports.setCommandEcho = setCommandEcho;
 //-----------------------------------------------------------------------
 // Results
 //-----------------------------------------------------------------------
@@ -4693,18 +4722,18 @@ function debug(message) {
 exports.debug = debug;
 /**
  * Adds an error issue
- * @param message error issue message
+ * @param message error issue message. Errors will be converted to string via toString()
  */
 function error(message) {
-    command_1.issue('error', message);
+    command_1.issue('error', message instanceof Error ? message.toString() : message);
 }
 exports.error = error;
 /**
  * Adds an warning issue
- * @param message warning issue message
+ * @param message warning issue message. Errors will be converted to string via toString()
  */
 function warning(message) {
-    command_1.issue('warning', message);
+    command_1.issue('warning', message instanceof Error ? message.toString() : message);
 }
 exports.warning = warning;
 /**
@@ -4762,8 +4791,9 @@ exports.group = group;
  * Saves state for current action, the state can only be retrieved by this action's post job execution.
  *
  * @param     name     name of the state to store
- * @param     value    value to store
+ * @param     value    value to store. Non-string values will be converted to a string via JSON.stringify
  */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 function saveState(name, value) {
     command_1.issueCommand('save-state', { name }, value);
 }
@@ -4909,8 +4939,18 @@ function getProxyUrl(serverUrl) {
     return proxyUrl ? proxyUrl.href : '';
 }
 exports.getProxyUrl = getProxyUrl;
-const HttpRedirectCodes = [HttpCodes.MovedPermanently, HttpCodes.ResourceMoved, HttpCodes.SeeOther, HttpCodes.TemporaryRedirect, HttpCodes.PermanentRedirect];
-const HttpResponseRetryCodes = [HttpCodes.BadGateway, HttpCodes.ServiceUnavailable, HttpCodes.GatewayTimeout];
+const HttpRedirectCodes = [
+    HttpCodes.MovedPermanently,
+    HttpCodes.ResourceMoved,
+    HttpCodes.SeeOther,
+    HttpCodes.TemporaryRedirect,
+    HttpCodes.PermanentRedirect
+];
+const HttpResponseRetryCodes = [
+    HttpCodes.BadGateway,
+    HttpCodes.ServiceUnavailable,
+    HttpCodes.GatewayTimeout
+];
 const RetryableHttpVerbs = ['OPTIONS', 'GET', 'DELETE', 'HEAD'];
 const ExponentialBackoffCeiling = 10;
 const ExponentialBackoffTimeSlice = 5;
@@ -5035,18 +5075,22 @@ class HttpClient {
      */
     async request(verb, requestUrl, data, headers) {
         if (this._disposed) {
-            throw new Error("Client has already been disposed.");
+            throw new Error('Client has already been disposed.');
         }
         let parsedUrl = url.parse(requestUrl);
         let info = this._prepareRequest(verb, parsedUrl, headers);
         // Only perform retries on reads since writes may not be idempotent.
-        let maxTries = (this._allowRetries && RetryableHttpVerbs.indexOf(verb) != -1) ? this._maxRetries + 1 : 1;
+        let maxTries = this._allowRetries && RetryableHttpVerbs.indexOf(verb) != -1
+            ? this._maxRetries + 1
+            : 1;
         let numTries = 0;
         let response;
         while (numTries < maxTries) {
             response = await this.requestRaw(info, data);
             // Check if it's an authentication challenge
-            if (response && response.message && response.message.statusCode === HttpCodes.Unauthorized) {
+            if (response &&
+                response.message &&
+                response.message.statusCode === HttpCodes.Unauthorized) {
                 let authenticationHandler;
                 for (let i = 0; i < this.handlers.length; i++) {
                     if (this.handlers[i].canHandleAuthentication(response)) {
@@ -5064,21 +5108,32 @@ class HttpClient {
                 }
             }
             let redirectsRemaining = this._maxRedirects;
-            while (HttpRedirectCodes.indexOf(response.message.statusCode) != -1
-                && this._allowRedirects
-                && redirectsRemaining > 0) {
-                const redirectUrl = response.message.headers["location"];
+            while (HttpRedirectCodes.indexOf(response.message.statusCode) != -1 &&
+                this._allowRedirects &&
+                redirectsRemaining > 0) {
+                const redirectUrl = response.message.headers['location'];
                 if (!redirectUrl) {
                     // if there's no location to redirect to, we won't
                     break;
                 }
                 let parsedRedirectUrl = url.parse(redirectUrl);
-                if (parsedUrl.protocol == 'https:' && parsedUrl.protocol != parsedRedirectUrl.protocol && !this._allowRedirectDowngrade) {
-                    throw new Error("Redirect from HTTPS to HTTP protocol. This downgrade is not allowed for security reasons. If you want to allow this behavior, set the allowRedirectDowngrade option to true.");
+                if (parsedUrl.protocol == 'https:' &&
+                    parsedUrl.protocol != parsedRedirectUrl.protocol &&
+                    !this._allowRedirectDowngrade) {
+                    throw new Error('Redirect from HTTPS to HTTP protocol. This downgrade is not allowed for security reasons. If you want to allow this behavior, set the allowRedirectDowngrade option to true.');
                 }
                 // we need to finish reading the response before reassigning response
                 // which will leak the open socket.
                 await response.readBody();
+                // strip authorization header if redirected to a different hostname
+                if (parsedRedirectUrl.hostname !== parsedUrl.hostname) {
+                    for (let header in headers) {
+                        // header names are case insensitive
+                        if (header.toLowerCase() === 'authorization') {
+                            delete headers[header];
+                        }
+                    }
+                }
                 // let's make the request with the new redirectUrl
                 info = this._prepareRequest(verb, parsedRedirectUrl, headers);
                 response = await this.requestRaw(info, data);
@@ -5129,8 +5184,8 @@ class HttpClient {
      */
     requestRawWithCallback(info, data, onResult) {
         let socket;
-        if (typeof (data) === 'string') {
-            info.options.headers["Content-Length"] = Buffer.byteLength(data, 'utf8');
+        if (typeof data === 'string') {
+            info.options.headers['Content-Length'] = Buffer.byteLength(data, 'utf8');
         }
         let callbackCalled = false;
         let handleResult = (err, res) => {
@@ -5143,7 +5198,7 @@ class HttpClient {
             let res = new HttpClientResponse(msg);
             handleResult(null, res);
         });
-        req.on('socket', (sock) => {
+        req.on('socket', sock => {
             socket = sock;
         });
         // If we ever get disconnected, we want the socket to timeout eventually
@@ -5158,10 +5213,10 @@ class HttpClient {
             // res should have headers
             handleResult(err, null);
         });
-        if (data && typeof (data) === 'string') {
+        if (data && typeof data === 'string') {
             req.write(data, 'utf8');
         }
-        if (data && typeof (data) !== 'string') {
+        if (data && typeof data !== 'string') {
             data.on('close', function () {
                 req.end();
             });
@@ -5188,31 +5243,34 @@ class HttpClient {
         const defaultPort = usingSsl ? 443 : 80;
         info.options = {};
         info.options.host = info.parsedUrl.hostname;
-        info.options.port = info.parsedUrl.port ? parseInt(info.parsedUrl.port) : defaultPort;
-        info.options.path = (info.parsedUrl.pathname || '') + (info.parsedUrl.search || '');
+        info.options.port = info.parsedUrl.port
+            ? parseInt(info.parsedUrl.port)
+            : defaultPort;
+        info.options.path =
+            (info.parsedUrl.pathname || '') + (info.parsedUrl.search || '');
         info.options.method = method;
         info.options.headers = this._mergeHeaders(headers);
         if (this.userAgent != null) {
-            info.options.headers["user-agent"] = this.userAgent;
+            info.options.headers['user-agent'] = this.userAgent;
         }
         info.options.agent = this._getAgent(info.parsedUrl);
         // gives handlers an opportunity to participate
         if (this.handlers) {
-            this.handlers.forEach((handler) => {
+            this.handlers.forEach(handler => {
                 handler.prepareRequest(info.options);
             });
         }
         return info;
     }
     _mergeHeaders(headers) {
-        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => (c[k.toLowerCase()] = obj[k], c), {});
+        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => ((c[k.toLowerCase()] = obj[k]), c), {});
         if (this.requestOptions && this.requestOptions.headers) {
             return Object.assign({}, lowercaseKeys(this.requestOptions.headers), lowercaseKeys(headers));
         }
         return lowercaseKeys(headers || {});
     }
     _getExistingOrDefaultHeader(additionalHeaders, header, _default) {
-        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => (c[k.toLowerCase()] = obj[k], c), {});
+        const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => ((c[k.toLowerCase()] = obj[k]), c), {});
         let clientHeader;
         if (this.requestOptions && this.requestOptions.headers) {
             clientHeader = lowercaseKeys(this.requestOptions.headers)[header];
@@ -5250,7 +5308,7 @@ class HttpClient {
                     proxyAuth: proxyUrl.auth,
                     host: proxyUrl.hostname,
                     port: proxyUrl.port
-                },
+                }
             };
             let tunnelAgent;
             const overHttps = proxyUrl.protocol === 'https:';
@@ -5277,7 +5335,9 @@ class HttpClient {
             // we don't want to set NODE_TLS_REJECT_UNAUTHORIZED=0 since that will affect request for entire process
             // http.RequestOptions doesn't expose a way to modify RequestOptions.agent.options
             // we have to cast it to any and change it directly
-            agent.options = Object.assign(agent.options || {}, { rejectUnauthorized: false });
+            agent.options = Object.assign(agent.options || {}, {
+                rejectUnauthorized: false
+            });
         }
         return agent;
     }
@@ -5338,7 +5398,7 @@ class HttpClient {
                     msg = contents;
                 }
                 else {
-                    msg = "Failed request: (" + statusCode + ")";
+                    msg = 'Failed request: (' + statusCode + ')';
                 }
                 let err = new Error(msg);
                 // attach statusCode and body obj (if available) to the error object
@@ -6521,6 +6581,10 @@ var Inputs;
     Inputs["Name"] = "name";
     Inputs["Path"] = "path";
 })(Inputs = exports.Inputs || (exports.Inputs = {}));
+var Outputs;
+(function (Outputs) {
+    Outputs["DownloadPath"] = "download-path";
+})(Outputs = exports.Outputs || (exports.Outputs = {}));
 
 
 /***/ }),
@@ -6570,16 +6634,29 @@ var __importStar = (this && this.__importStar) || function (mod) {
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(__webpack_require__(470));
 const artifact = __importStar(__webpack_require__(214));
+const os = __importStar(__webpack_require__(87));
+const path_1 = __webpack_require__(622);
 const constants_1 = __webpack_require__(694);
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
             const name = core.getInput(constants_1.Inputs.Name, { required: false });
             const path = core.getInput(constants_1.Inputs.Path, { required: false });
+            let resolvedPath;
+            // resolve tilde expansions, path.replace only replaces the first occurrence of a pattern
+            if (path.startsWith(`~`)) {
+                resolvedPath = path_1.resolve(path.replace('~', os.homedir()));
+            }
+            else {
+                resolvedPath = path_1.resolve(path);
+            }
+            core.debug(`Resolved path is ${resolvedPath}`);
             const artifactClient = artifact.create();
             if (!name) {
                 // download all artifacts
-                const downloadResponse = yield artifactClient.downloadAllArtifacts(path);
+                core.info('No artifact name specified, downloading all artifacts');
+                core.info('Creating an extra directory for each artifact that is being downloaded');
+                const downloadResponse = yield artifactClient.downloadAllArtifacts(resolvedPath);
                 core.info(`There were ${downloadResponse.length} artifacts downloaded`);
                 for (const artifact of downloadResponse) {
                     core.info(`Artifact ${artifact.artifactName} was downloaded to ${artifact.downloadPath}`);
@@ -6587,12 +6664,16 @@ function run() {
             }
             else {
                 // download a single artifact
+                core.info(`Starting download for ${name}`);
                 const downloadOptions = {
                     createArtifactFolder: false
                 };
-                const downloadResponse = yield artifactClient.downloadArtifact(name, path, downloadOptions);
+                const downloadResponse = yield artifactClient.downloadArtifact(name, resolvedPath, downloadOptions);
                 core.info(`Artifact ${downloadResponse.artifactName} was downloaded to ${downloadResponse.downloadPath}`);
             }
+            // output the directory that the artifact(s) was/were downloaded to
+            // if no path is provided, an empty string resolves to the current working directory
+            core.setOutput(constants_1.Outputs.DownloadPath, resolvedPath);
             core.info('Artifact download has finished successfully');
         }
         catch (err) {
@@ -7462,12 +7543,10 @@ function getProxyUrl(reqUrl) {
     }
     let proxyVar;
     if (usingSsl) {
-        proxyVar = process.env["https_proxy"] ||
-            process.env["HTTPS_PROXY"];
+        proxyVar = process.env['https_proxy'] || process.env['HTTPS_PROXY'];
     }
     else {
-        proxyVar = process.env["http_proxy"] ||
-            process.env["HTTP_PROXY"];
+        proxyVar = process.env['http_proxy'] || process.env['HTTP_PROXY'];
     }
     if (proxyVar) {
         proxyUrl = url.parse(proxyVar);
@@ -7479,7 +7558,7 @@ function checkBypass(reqUrl) {
     if (!reqUrl.hostname) {
         return false;
     }
-    let noProxy = process.env["no_proxy"] || process.env["NO_PROXY"] || '';
+    let noProxy = process.env['no_proxy'] || process.env['NO_PROXY'] || '';
     if (!noProxy) {
         return false;
     }
@@ -7500,7 +7579,10 @@ function checkBypass(reqUrl) {
         upperReqHosts.push(`${upperReqHosts[0]}:${reqPort}`);
     }
     // Compare request host against noproxy
-    for (let upperNoProxyItem of noProxy.split(',').map(x => x.trim().toUpperCase()).filter(x => x)) {
+    for (let upperNoProxyItem of noProxy
+        .split(',')
+        .map(x => x.trim().toUpperCase())
+        .filter(x => x)) {
         if (upperReqHosts.some(x => x === upperNoProxyItem)) {
             return true;
         }

package-lock.json

@@ -29,15 +29,15 @@
       }
     },
     "@actions/core": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.3.tgz",
-      "integrity": "sha512-Wp4xnyokakM45Uuj4WLUxdsa8fJjKVl1fDTsPbTEcTcuu0Nb26IPQbOtjmnfaCPGcaoPOOqId8H9NapZ8gii4w==",
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.4.tgz",
+      "integrity": "sha512-YJCEq8BE3CdN8+7HPZ/4DxJjk/OkZV2FFIf+DlZTC/4iBlzYCD5yjRR6eiOS5llO11zbRltIRuKAjMKaWTE6cg==",
       "dev": true
     },
     "@actions/http-client": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.7.tgz",
-      "integrity": "sha512-PY3ys/XH5WMekkHyZhYSa/scYvlE5T/TV/T++vABHuY5ZRgtiBZkn2L2tV5Pv/xDCl59lSZb9WwRuWExDyAsSg==",
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.8.tgz",
+      "integrity": "sha512-G4JjJ6f9Hb3Zvejj+ewLLKLf99ZC+9v+yCxoYf9vSyH+WkzPLB2LuUtRMGNkooMqdugGBFStIKXOuvH1W+EctA==",
       "dev": true,
       "requires": {
         "tunnel": "0.0.6"
@@ -166,6 +166,12 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@types/color-name": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
+      "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==",
+      "dev": true
+    },
     "@types/eslint-visitor-keys": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/@types/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz",
@@ -178,6 +184,12 @@
       "integrity": "sha512-8+KAKzEvSUdeo+kmqnKrqgeE+LcA0tjYWFY7RPProVYwnqDjukzO+3b6dLD56rYX5TdWejnEOLJYOIeh4CXKuA==",
       "dev": true
     },
+    "@types/node": {
+      "version": "12.12.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.6.tgz",
+      "integrity": "sha512-FjsYUPzEJdGXjwKqSpE0/9QEh6kzhTAeObA54rn6j3rR4C/mzpI9L0KNfoeASSPMMdxIsoJuCLDWcM/rVjIsSA==",
+      "dev": true
+    },
     "@types/normalize-package-data": {
       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/@types/normalize-package-data/-/normalize-package-data-2.4.0.tgz",
@@ -223,33 +235,33 @@
       }
     },
     "@typescript-eslint/parser": {
-      "version": "2.27.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-2.27.0.tgz",
-      "integrity": "sha512-HFUXZY+EdwrJXZo31DW4IS1ujQW3krzlRjBrFRrJcMDh0zCu107/nRfhk/uBasO8m0NVDbBF5WZKcIUMRO7vPg==",
+      "version": "2.30.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-2.30.0.tgz",
+      "integrity": "sha512-9kDOxzp0K85UnpmPJqUzdWaCNorYYgk1yZmf4IKzpeTlSAclnFsrLjfwD9mQExctLoLoGAUXq1co+fbr+3HeFw==",
       "dev": true,
       "requires": {
         "@types/eslint-visitor-keys": "^1.0.0",
-        "@typescript-eslint/experimental-utils": "2.27.0",
-        "@typescript-eslint/typescript-estree": "2.27.0",
+        "@typescript-eslint/experimental-utils": "2.30.0",
+        "@typescript-eslint/typescript-estree": "2.30.0",
         "eslint-visitor-keys": "^1.1.0"
       },
       "dependencies": {
         "@typescript-eslint/experimental-utils": {
-          "version": "2.27.0",
-          "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-2.27.0.tgz",
-          "integrity": "sha512-vOsYzjwJlY6E0NJRXPTeCGqjv5OHgRU1kzxHKWJVPjDYGbPgLudBXjIlc+OD1hDBZ4l1DLbOc5VjofKahsu9Jw==",
+          "version": "2.30.0",
+          "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-2.30.0.tgz",
+          "integrity": "sha512-L3/tS9t+hAHksy8xuorhOzhdefN0ERPDWmR9CclsIGOUqGKy6tqc/P+SoXeJRye5gazkuPO0cK9MQRnolykzkA==",
           "dev": true,
           "requires": {
             "@types/json-schema": "^7.0.3",
-            "@typescript-eslint/typescript-estree": "2.27.0",
+            "@typescript-eslint/typescript-estree": "2.30.0",
             "eslint-scope": "^5.0.0",
             "eslint-utils": "^2.0.0"
           }
         },
         "@typescript-eslint/typescript-estree": {
-          "version": "2.27.0",
-          "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-2.27.0.tgz",
-          "integrity": "sha512-t2miCCJIb/FU8yArjAvxllxbTiyNqaXJag7UOpB5DVoM3+xnjeOngtqlJkLRnMtzaRcJhe3CIR9RmL40omubhg==",
+          "version": "2.30.0",
+          "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-2.30.0.tgz",
+          "integrity": "sha512-nI5WOechrA0qAhnr+DzqwmqHsx7Ulr/+0H7bWCcClDhhWkSyZR5BmTvnBEyONwJCTWHfc5PAQExX24VD26IAVw==",
           "dev": true,
           "requires": {
             "debug": "^4.1.1",
@@ -294,21 +306,21 @@
       "dev": true
     },
     "acorn": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.0.tgz",
-      "integrity": "sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==",
+      "version": "7.3.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.3.1.tgz",
+      "integrity": "sha512-tLc0wSnatxAQHVHUapaHdz72pi9KUyHjq5KyHjGg9Y8Ifdc79pTh2XvI6I1/chZbnM7QtNKzh66ooDogPZSleA==",
       "dev": true
     },
     "acorn-jsx": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.1.0.tgz",
-      "integrity": "sha512-tMUqwBWfLFbJbizRmEcWSLw6HnFzfdJs2sOJEOwwtVPMoH/0Ay+E703oZz78VSXZiiDcZrQ5XKjPIUQixhmgVw==",
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.2.0.tgz",
+      "integrity": "sha512-HiUX/+K2YpkpJ+SzBffkM/AQ2YE03S0U1kjTLVpoJdhZMOWy8qvXVN9JdLqv2QsaQ6MPYQIuNmwD8zOiYUofLQ==",
       "dev": true
     },
     "ajv": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.11.0.tgz",
-      "integrity": "sha512-nCprB/0syFYy9fVYU1ox1l2KN8S9I+tziH8D4zdZuLT3N6RMlGSGt5FSTpAiHB/Whv8Qs1cWHma1aMKZyaHRKA==",
+      "version": "6.12.3",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.3.tgz",
+      "integrity": "sha512-4K0cK3L1hsqk9xIb2z9vs/XU+PGJZ9PNpJRDS9YLzmNdX6jmVPfamLvTJr0aDAusnHyCHO6MjzlkAsgtqp9teA==",
       "dev": true,
       "requires": {
         "fast-deep-equal": "^3.1.1",
@@ -317,6 +329,12 @@
         "uri-js": "^4.2.2"
       }
     },
+    "ansi-colors": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.1.tgz",
+      "integrity": "sha512-JoX0apGbHaUJBNl6yF+p6JAFYZ666/hhCGKN5t9QFjbJQKUU/g8MNbFDbvfrgKXvI1QpZplPOnwIo99lX/AAmA==",
+      "dev": true
+    },
     "ansi-escapes": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-4.3.0.tgz",
@@ -543,9 +561,9 @@
       "dev": true
     },
     "concurrently": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/concurrently/-/concurrently-5.1.0.tgz",
-      "integrity": "sha512-9ViZMu3OOCID3rBgU31mjBftro2chOop0G2u1olq1OuwRBVRw/GxHTg80TVJBUTJfoswMmEUeuOg1g1yu1X2dA==",
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/concurrently/-/concurrently-5.2.0.tgz",
+      "integrity": "sha512-XxcDbQ4/43d6CxR7+iV8IZXhur4KbmEJk1CetVMUqCy34z9l0DkszbY+/9wvmSnToTej0SYomc2WSRH+L0zVJw==",
       "dev": true,
       "requires": {
         "chalk": "^2.4.2",
@@ -587,24 +605,14 @@
       }
     },
     "cross-spawn": {
-      "version": "6.0.5",
-      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
-      "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
+      "integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
       "dev": true,
       "requires": {
-        "nice-try": "^1.0.4",
-        "path-key": "^2.0.1",
-        "semver": "^5.5.0",
-        "shebang-command": "^1.2.0",
-        "which": "^1.2.9"
-      },
-      "dependencies": {
-        "semver": {
-          "version": "5.7.1",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
-          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
-          "dev": true
-        }
+        "path-key": "^3.1.0",
+        "shebang-command": "^2.0.0",
+        "which": "^2.0.1"
       }
     },
     "damerau-levenshtein": {
@@ -614,9 +622,9 @@
       "dev": true
     },
     "date-fns": {
-      "version": "2.9.0",
-      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.9.0.tgz",
-      "integrity": "sha512-khbFLu/MlzLjEzy9Gh8oY1hNt/Dvxw3J6Rbc28cVoYWQaC1S3YI4xwkF9ZWcjDLscbZlY9hISMr66RFzZagLsA==",
+      "version": "2.12.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.12.0.tgz",
+      "integrity": "sha512-qJgn99xxKnFgB1qL4jpxU7Q2t0LOn1p8KMIveef3UZD7kqjT3tpFNNdXJelEHhE+rUgffriXriw/sOSU+cS1Hw==",
       "dev": true
     },
     "debug": {
@@ -664,6 +672,15 @@
       "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
       "dev": true
     },
+    "enquirer": {
+      "version": "2.3.6",
+      "resolved": "https://registry.npmjs.org/enquirer/-/enquirer-2.3.6.tgz",
+      "integrity": "sha512-yjNnPr315/FjS4zIsUxYguYUPP2e1NK4d7E7ZOLiyYCcbFBiTMyID+2wvm2w6+pZ/odMA7cRkjhsPbltwBOrLg==",
+      "dev": true,
+      "requires": {
+        "ansi-colors": "^4.1.1"
+      }
+    },
     "error-ex": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
@@ -710,22 +727,23 @@
       "dev": true
     },
     "eslint": {
-      "version": "6.8.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-6.8.0.tgz",
-      "integrity": "sha512-K+Iayyo2LtyYhDSYwz5D5QdWw0hCacNzyq1Y821Xna2xSJj7cijoLLYmLxTQgcgZ9mC61nryMy9S7GRbYpI5Ig==",
+      "version": "7.4.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.4.0.tgz",
+      "integrity": "sha512-gU+lxhlPHu45H3JkEGgYhWhkR9wLHHEXC9FbWFnTlEkbKyZKWgWRLgf61E8zWmBuI6g5xKBph9ltg3NtZMVF8g==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "^7.0.0",
         "ajv": "^6.10.0",
-        "chalk": "^2.1.0",
-        "cross-spawn": "^6.0.5",
+        "chalk": "^4.0.0",
+        "cross-spawn": "^7.0.2",
         "debug": "^4.0.1",
         "doctrine": "^3.0.0",
-        "eslint-scope": "^5.0.0",
-        "eslint-utils": "^1.4.3",
-        "eslint-visitor-keys": "^1.1.0",
-        "espree": "^6.1.2",
-        "esquery": "^1.0.1",
+        "enquirer": "^2.3.5",
+        "eslint-scope": "^5.1.0",
+        "eslint-utils": "^2.0.0",
+        "eslint-visitor-keys": "^1.2.0",
+        "espree": "^7.1.0",
+        "esquery": "^1.2.0",
         "esutils": "^2.0.2",
         "file-entry-cache": "^5.0.1",
         "functional-red-black-tree": "^1.0.1",
@@ -734,24 +752,114 @@
         "ignore": "^4.0.6",
         "import-fresh": "^3.0.0",
         "imurmurhash": "^0.1.4",
-        "inquirer": "^7.0.0",
         "is-glob": "^4.0.0",
         "js-yaml": "^3.13.1",
         "json-stable-stringify-without-jsonify": "^1.0.1",
-        "levn": "^0.3.0",
+        "levn": "^0.4.1",
         "lodash": "^4.17.14",
         "minimatch": "^3.0.4",
-        "mkdirp": "^0.5.1",
         "natural-compare": "^1.4.0",
-        "optionator": "^0.8.3",
+        "optionator": "^0.9.1",
         "progress": "^2.0.0",
-        "regexpp": "^2.0.1",
-        "semver": "^6.1.2",
-        "strip-ansi": "^5.2.0",
-        "strip-json-comments": "^3.0.1",
+        "regexpp": "^3.1.0",
+        "semver": "^7.2.1",
+        "strip-ansi": "^6.0.0",
+        "strip-json-comments": "^3.1.0",
         "table": "^5.2.3",
         "text-table": "^0.2.0",
         "v8-compile-cache": "^2.0.3"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "4.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
+          "integrity": "sha512-9VGjrMsG1vePxcSweQsN20KY/c4zN0h9fLjqAbwbPfahM3t+NL+M9HC8xeXG2I8pX5NoamTGNuomEUFI7fcUjA==",
+          "dev": true,
+          "requires": {
+            "@types/color-name": "^1.1.1",
+            "color-convert": "^2.0.1"
+          }
+        },
+        "chalk": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
+          "integrity": "sha512-qwx12AxXe2Q5xQ43Ac//I6v5aXTipYrSESdOgzrN+9XjgEpyjpKuvSGaN4qE93f7TQTlerQQ8S+EQ0EyDoVL1A==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^4.1.0",
+            "supports-color": "^7.1.0"
+          }
+        },
+        "color-convert": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+          "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+          "dev": true,
+          "requires": {
+            "color-name": "~1.1.4"
+          }
+        },
+        "color-name": {
+          "version": "1.1.4",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
+          "dev": true
+        },
+        "eslint-scope": {
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+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
       "dev": true,
       "requires": {
         "isexe": "^2.0.0"
@@ -2692,9 +2810,9 @@
       "dev": true
     },
     "yargs": {
-      "version": "13.3.0",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.0.tgz",
-      "integrity": "sha512-2eehun/8ALW8TLoIl7MVaRUrg+yCnenu8B4kBlRxj3GJGDKU1Og7sMXPNm1BYyM1DOJmTZ4YeN/Nwxv+8XJsUA==",
+      "version": "13.3.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
+      "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
       "dev": true,
       "requires": {
         "cliui": "^5.0.0",
@@ -2706,7 +2824,7 @@
         "string-width": "^3.0.0",
         "which-module": "^2.0.0",
         "y18n": "^4.0.0",
-        "yargs-parser": "^13.1.1"
+        "yargs-parser": "^13.1.2"
       },
       "dependencies": {
         "emoji-regex": {
@@ -2735,9 +2853,9 @@
       }
     },
     "yargs-parser": {
-      "version": "13.1.1",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
-      "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==",
+      "version": "13.1.2",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+      "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
       "dev": true,
       "requires": {
         "camelcase": "^5.0.0",

package.json

@@ -29,13 +29,14 @@
   "homepage": "https://github.com/actions/download-artifact#readme",
   "devDependencies": {
     "@actions/artifact": "^0.3.1",
-    "@actions/core": "^1.2.3",
-    "@typescript-eslint/parser": "^2.27.0",
+    "@actions/core": "^1.2.4",
+    "@types/node": "^12.12.6",
+    "@typescript-eslint/parser": "^2.30.0",
     "@zeit/ncc": "^0.22.1",
-    "concurrently": "^5.1.0",
-    "eslint": "^6.8.0",
+    "concurrently": "^5.2.0",
+    "eslint": "^7.4.0",
     "eslint-plugin-github": "^3.4.1",
-    "prettier": "^2.0.4",
+    "prettier": "^2.0.5",
     "typescript": "^3.8.3"
   }
 }

src/constants.ts

@@ -2,3 +2,6 @@ export enum Inputs {
   Name = 'name',
   Path = 'path'
 }
+export enum Outputs {
+  DownloadPath = 'download-path'
+}

src/download-artifact.ts

@@ -1,16 +1,33 @@
 import * as core from '@actions/core'
 import * as artifact from '@actions/artifact'
-import {Inputs} from './constants'
+import * as os from 'os'
+import {resolve} from 'path'
+import {Inputs, Outputs} from './constants'
 
 async function run(): Promise<void> {
   try {
     const name = core.getInput(Inputs.Name, {required: false})
     const path = core.getInput(Inputs.Path, {required: false})
 
+    let resolvedPath
+    // resolve tilde expansions, path.replace only replaces the first occurrence of a pattern
+    if (path.startsWith(`~`)) {
+      resolvedPath = resolve(path.replace('~', os.homedir()))
+    } else {
+      resolvedPath = resolve(path)
+    }
+    core.debug(`Resolved path is ${resolvedPath}`)
+
     const artifactClient = artifact.create()
     if (!name) {
       // download all artifacts
-      const downloadResponse = await artifactClient.downloadAllArtifacts(path)
+      core.info('No artifact name specified, downloading all artifacts')
+      core.info(
+        'Creating an extra directory for each artifact that is being downloaded'
+      )
+      const downloadResponse = await artifactClient.downloadAllArtifacts(
+        resolvedPath
+      )
       core.info(`There were ${downloadResponse.length} artifacts downloaded`)
       for (const artifact of downloadResponse) {
         core.info(
@@ -19,18 +36,22 @@ async function run(): Promise<void> {
       }
     } else {
       // download a single artifact
+      core.info(`Starting download for ${name}`)
       const downloadOptions = {
         createArtifactFolder: false
       }
       const downloadResponse = await artifactClient.downloadArtifact(
         name,
-        path,
+        resolvedPath,
         downloadOptions
       )
       core.info(
         `Artifact ${downloadResponse.artifactName} was downloaded to ${downloadResponse.downloadPath}`
       )
     }
+    // output the directory that the artifact(s) was/were downloaded to
+    // if no path is provided, an empty string resolves to the current working directory
+    core.setOutput(Outputs.DownloadPath, resolvedPath)
     core.info('Artifact download has finished successfully')
   } catch (err) {
     core.setFailed(err.message)