Add objectFormat setting to allow init()ing a repo with sha256

* Update README.md

* Update README.md

Co-authored-by: Josh Gross <joshmgross@github.com>

---------

Co-authored-by: Josh Gross <joshmgross@github.com>

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## v4.2.2
+* `url-helper.ts` now leverages well-known environment variables by @jww3 in https://github.com/actions/checkout/pull/1941
+* Expand unit test coverage for `isGhes` by @jww3 in https://github.com/actions/checkout/pull/1946
+
 ## v4.2.1
 * Check out other refs/* by commit if provided, fall back to ref by @orhantoy in https://github.com/actions/checkout/pull/1924
 

README.md

@@ -127,9 +127,9 @@ Please refer to the [release page](https://github.com/actions/checkout/releases/
     # https://my-ghes-server.example.com
     github-server-url: ''
 
-    # Use the given object format when creating local repository.  Specifically, use
+    # Use the given object format when creating local repository. Specifically, use
     # 'sha256' to checkout a SHA-256 repository.
-    # Defualt: null
+    # Default: null
     object-format: ''
 ```
 <!-- end usage -->
@@ -148,6 +148,7 @@ Please refer to the [release page](https://github.com/actions/checkout/releases/
 - [Checkout pull request HEAD commit instead of merge commit](#Checkout-pull-request-HEAD-commit-instead-of-merge-commit)
 - [Checkout pull request on closed event](#Checkout-pull-request-on-closed-event)
 - [Push a commit using the built-in token](#Push-a-commit-using-the-built-in-token)
+- [Push a commit to a PR using the built-in token](#Push-a-commit-to-a-PR-using-the-built-in-token)
 - [Checkout SHA-256 repository](#checkout-sha-256-repository)
 
 ## Fetch only the root files
@@ -217,7 +218,7 @@ Please refer to the [release page](https://github.com/actions/checkout/releases/
     repository: my-org/my-tools
     path: my-tools
 ```
-> - If your secondary repository is private you will need to add the option noted in [Checkout multiple repos (private)](#Checkout-multiple-repos-private)
+> - If your secondary repository is private or internal you will need to add the option noted in [Checkout multiple repos (private)](#Checkout-multiple-repos-private)
 
 ## Checkout multiple repos (nested)
 
@@ -231,7 +232,7 @@ Please refer to the [release page](https://github.com/actions/checkout/releases/
     repository: my-org/my-tools
     path: my-tools
 ```
-> - If your secondary repository is private you will need to add the option noted in [Checkout multiple repos (private)](#Checkout-multiple-repos-private)
+> - If your secondary repository is private or internal you will need to add the option noted in [Checkout multiple repos (private)](#Checkout-multiple-repos-private)
 
 ## Checkout multiple repos (private)
 
@@ -294,6 +295,40 @@ jobs:
 ```
 *NOTE:* The user email is `{user.id}+{user.login}@users.noreply.github.com`. See users API: https://api.github.com/users/github-actions%5Bbot%5D
 
+## Push a commit to a PR using the built-in token
+
+In a pull request trigger, `ref` is required as GitHub Actions checks out in detached HEAD mode, meaning it doesn’t check out your branch by default.
+
+```yaml
+on: pull_request
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+      - run: |
+          date > generated.txt
+          # Note: the following account information will not work on GHES
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add .
+          git commit -m "generated"
+          git push
+```
+
+*NOTE:* The user email is `{user.id}+{user.login}@users.noreply.github.com`. See users API: https://api.github.com/users/github-actions%5Bbot%5D
+
+# Recommended permissions
+
+When using the `checkout` action in your GitHub Actions workflow, it is recommended to set the following `GITHUB_TOKEN` permissions to ensure proper functionality, unless alternative auth is provided via the `token` or `ssh-key` inputs:
+
+```yaml
+permissions:
+  contents: read
+```
+
 ## Checkout SHA-256 repository
 
 ```yaml

__test__/git-command-manager.test.ts

@@ -376,7 +376,7 @@ describe('Test fetchDepth and fetchTags options', () => {
     )
   })
 
-  it('should call execGit wiwth the correct arguments when sha256 is used', async () => {
+  it('should call execGit with the correct arguments when sha256 is used', async () => {
     jest.spyOn(exec, 'exec').mockImplementation(mockExec)
 
     const workingDirectory = 'test'
@@ -389,17 +389,11 @@ describe('Test fetchDepth and fetchTags options', () => {
     )
 
     await git.init({objectFormat: 'sha256'})
-    // await git.init({objectFormat: undefined})
 
     expect(mockExec).toHaveBeenCalledWith(
       expect.any(String),
-      [
-        'init',
-        '--object-format=sha256',
-        'test'
-      ],
+      ['init', '--object-format=sha256', 'test'],
       expect.any(Object)
     )
   })
 })
-

__test__/url-helper.test.ts

@@ -0,0 +1,92 @@
+import * as urlHelper from '../src/url-helper'
+
+describe('getServerUrl tests', () => {
+  it('basics', async () => {
+    // Note that URL::toString will append a trailing / when passed just a domain name ...
+    expect(urlHelper.getServerUrl().toString()).toBe('https://github.com/')
+    expect(urlHelper.getServerUrl(' ').toString()).toBe('https://github.com/')
+    expect(urlHelper.getServerUrl('   ').toString()).toBe('https://github.com/')
+    expect(urlHelper.getServerUrl('http://contoso.com').toString()).toBe(
+      'http://contoso.com/'
+    )
+    expect(urlHelper.getServerUrl('https://contoso.com').toString()).toBe(
+      'https://contoso.com/'
+    )
+    expect(urlHelper.getServerUrl('https://contoso.com/').toString()).toBe(
+      'https://contoso.com/'
+    )
+
+    // ... but can't make that same assumption when passed an URL that includes some deeper path.
+    expect(urlHelper.getServerUrl('https://contoso.com/a/b').toString()).toBe(
+      'https://contoso.com/a/b'
+    )
+  })
+})
+
+describe('isGhes tests', () => {
+  const pristineEnv = process.env
+
+  beforeEach(() => {
+    jest.resetModules()
+    process.env = {...pristineEnv}
+  })
+
+  afterAll(() => {
+    process.env = pristineEnv
+  })
+
+  it('basics', async () => {
+    delete process.env['GITHUB_SERVER_URL']
+    expect(urlHelper.isGhes()).toBeFalsy()
+    expect(urlHelper.isGhes('https://github.com')).toBeFalsy()
+    expect(urlHelper.isGhes('https://contoso.ghe.com')).toBeFalsy()
+    expect(urlHelper.isGhes('https://test.github.localhost')).toBeFalsy()
+    expect(urlHelper.isGhes('https://src.onpremise.fabrikam.com')).toBeTruthy()
+  })
+
+  it('returns false when the GITHUB_SERVER_URL environment variable is not defined', async () => {
+    delete process.env['GITHUB_SERVER_URL']
+    expect(urlHelper.isGhes()).toBeFalsy()
+  })
+
+  it('returns false when the GITHUB_SERVER_URL environment variable is set to github.com', async () => {
+    process.env['GITHUB_SERVER_URL'] = 'https://github.com'
+    expect(urlHelper.isGhes()).toBeFalsy()
+  })
+
+  it('returns false when the GITHUB_SERVER_URL environment variable is set to a GitHub Enterprise Cloud-style URL', async () => {
+    process.env['GITHUB_SERVER_URL'] = 'https://contoso.ghe.com'
+    expect(urlHelper.isGhes()).toBeFalsy()
+  })
+
+  it('returns false when the GITHUB_SERVER_URL environment variable has a .localhost suffix', async () => {
+    process.env['GITHUB_SERVER_URL'] = 'https://mock-github.localhost'
+    expect(urlHelper.isGhes()).toBeFalsy()
+  })
+
+  it('returns true when the GITHUB_SERVER_URL environment variable is set to some other URL', async () => {
+    process.env['GITHUB_SERVER_URL'] = 'https://src.onpremise.fabrikam.com'
+    expect(urlHelper.isGhes()).toBeTruthy()
+  })
+})
+
+describe('getServerApiUrl tests', () => {
+  it('basics', async () => {
+    expect(urlHelper.getServerApiUrl()).toBe('https://api.github.com')
+    expect(urlHelper.getServerApiUrl('https://github.com')).toBe(
+      'https://api.github.com'
+    )
+    expect(urlHelper.getServerApiUrl('https://GitHub.com')).toBe(
+      'https://api.github.com'
+    )
+    expect(urlHelper.getServerApiUrl('https://contoso.ghe.com')).toBe(
+      'https://api.contoso.ghe.com'
+    )
+    expect(urlHelper.getServerApiUrl('https://fabrikam.GHE.COM')).toBe(
+      'https://api.fabrikam.ghe.com'
+    )
+    expect(
+      urlHelper.getServerApiUrl('https://src.onpremise.fabrikam.com')
+    ).toBe('https://src.onpremise.fabrikam.com/api/v3')
+  })
+})

action.yml

@@ -98,6 +98,11 @@ inputs:
   github-server-url:
     description: The base URL for the GitHub instance that you are trying to clone from, will use environment defaults to fetch from the same instance that the workflow is running from unless specified. Example URLs are https://github.com or https://my-ghes-server.example.com
     required: false
+  object-format:
+    description: >
+      Use the given object format when creating local repository. Specifically, use
+      'sha256' to checkout a SHA-256 repository.
+    default: null
 outputs:
   ref:
     description: 'The branch, tag or SHA that was checked out'

dist/index.js

@@ -30,7 +30,9 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.fileExistsSync = exports.existsSync = exports.directoryExistsSync = void 0;
+exports.directoryExistsSync = directoryExistsSync;
+exports.existsSync = existsSync;
+exports.fileExistsSync = fileExistsSync;
 const fs = __importStar(__nccwpck_require__(7147));
 function directoryExistsSync(path, required) {
     var _a;
@@ -58,7 +60,6 @@ function directoryExistsSync(path, required) {
     }
     throw new Error(`Directory '${path}' does not exist`);
 }
-exports.directoryExistsSync = directoryExistsSync;
 function existsSync(path) {
     var _a;
     if (!path) {
@@ -75,7 +76,6 @@ function existsSync(path) {
     }
     return true;
 }
-exports.existsSync = existsSync;
 function fileExistsSync(path) {
     var _a;
     if (!path) {
@@ -96,7 +96,6 @@ function fileExistsSync(path) {
     }
     return false;
 }
-exports.fileExistsSync = fileExistsSync;
 
 
 /***/ }),
@@ -139,7 +138,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.createAuthHelper = void 0;
+exports.createAuthHelper = createAuthHelper;
 const assert = __importStar(__nccwpck_require__(9491));
 const core = __importStar(__nccwpck_require__(2186));
 const exec = __importStar(__nccwpck_require__(1514));
@@ -156,7 +155,6 @@ const SSH_COMMAND_KEY = 'core.sshCommand';
 function createAuthHelper(git, settings) {
     return new GitAuthHelper(git, settings);
 }
-exports.createAuthHelper = createAuthHelper;
 class GitAuthHelper {
     constructor(gitCommandManager, gitSourceSettings) {
         this.insteadOfValues = [];
@@ -475,7 +473,8 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.createCommandManager = exports.MinimumGitSparseCheckoutVersion = exports.MinimumGitVersion = void 0;
+exports.MinimumGitSparseCheckoutVersion = exports.MinimumGitVersion = void 0;
+exports.createCommandManager = createCommandManager;
 const core = __importStar(__nccwpck_require__(2186));
 const exec = __importStar(__nccwpck_require__(1514));
 const fs = __importStar(__nccwpck_require__(7147));
@@ -496,7 +495,6 @@ function createCommandManager(workingDirectory, lfs, doSparseCheckout) {
         return yield GitCommandManager.createCommandManager(workingDirectory, lfs, doSparseCheckout);
     });
 }
-exports.createCommandManager = createCommandManager;
 class GitCommandManager {
     // Private constructor; use createCommandManager()
     constructor() {
@@ -1024,7 +1022,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.prepareExistingDirectory = void 0;
+exports.prepareExistingDirectory = prepareExistingDirectory;
 const assert = __importStar(__nccwpck_require__(9491));
 const core = __importStar(__nccwpck_require__(2186));
 const fs = __importStar(__nccwpck_require__(7147));
@@ -1128,7 +1126,6 @@ function prepareExistingDirectory(git, repositoryPath, repositoryUrl, clean, ref
         }
     });
 }
-exports.prepareExistingDirectory = prepareExistingDirectory;
 
 
 /***/ }),
@@ -1171,7 +1168,8 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.cleanup = exports.getSource = void 0;
+exports.getSource = getSource;
+exports.cleanup = cleanup;
 const core = __importStar(__nccwpck_require__(2186));
 const fsHelper = __importStar(__nccwpck_require__(7219));
 const gitAuthHelper = __importStar(__nccwpck_require__(2565));
@@ -1377,7 +1375,6 @@ function getSource(settings) {
         }
     });
 }
-exports.getSource = getSource;
 function cleanup(repositoryPath) {
     return __awaiter(this, void 0, void 0, function* () {
         // Repo exists?
@@ -1413,7 +1410,6 @@ function cleanup(repositoryPath) {
         }
     });
 }
-exports.cleanup = cleanup;
 function getGitCommandManager(settings) {
     return __awaiter(this, void 0, void 0, function* () {
         core.info(`Working directory is '${settings.repositoryPath}'`);
@@ -1552,7 +1548,8 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.getDefaultBranch = exports.downloadRepository = void 0;
+exports.downloadRepository = downloadRepository;
+exports.getDefaultBranch = getDefaultBranch;
 const assert = __importStar(__nccwpck_require__(9491));
 const core = __importStar(__nccwpck_require__(2186));
 const fs = __importStar(__nccwpck_require__(7147));
@@ -1616,7 +1613,6 @@ function downloadRepository(authToken, owner, repo, ref, commit, repositoryPath,
         yield io.rmRF(extractPath);
     });
 }
-exports.downloadRepository = downloadRepository;
 /**
  * Looks up the default branch name
  */
@@ -1655,7 +1651,6 @@ function getDefaultBranch(authToken, owner, repo, baseUrl) {
         }));
     });
 }
-exports.getDefaultBranch = getDefaultBranch;
 function downloadArchive(authToken, owner, repo, ref, commit, baseUrl) {
     return __awaiter(this, void 0, void 0, function* () {
         const octokit = github.getOctokit(authToken, {
@@ -1714,7 +1709,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.getInputs = void 0;
+exports.getInputs = getInputs;
 const core = __importStar(__nccwpck_require__(2186));
 const fsHelper = __importStar(__nccwpck_require__(7219));
 const github = __importStar(__nccwpck_require__(5438));
@@ -1851,7 +1846,6 @@ function getInputs() {
         return result;
     });
 }
-exports.getInputs = getInputs;
 
 
 /***/ }),
@@ -1983,7 +1977,12 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.checkCommitInfo = exports.testRef = exports.getRefSpec = exports.getRefSpecForAllHistory = exports.getCheckoutInfo = exports.tagsRefSpec = void 0;
+exports.tagsRefSpec = void 0;
+exports.getCheckoutInfo = getCheckoutInfo;
+exports.getRefSpecForAllHistory = getRefSpecForAllHistory;
+exports.getRefSpec = getRefSpec;
+exports.testRef = testRef;
+exports.checkCommitInfo = checkCommitInfo;
 const core = __importStar(__nccwpck_require__(2186));
 const github = __importStar(__nccwpck_require__(5438));
 const url_helper_1 = __nccwpck_require__(9437);
@@ -2037,7 +2036,6 @@ function getCheckoutInfo(git, ref, commit) {
         return result;
     });
 }
-exports.getCheckoutInfo = getCheckoutInfo;
 function getRefSpecForAllHistory(ref, commit) {
     const result = ['+refs/heads/*:refs/remotes/origin/*', exports.tagsRefSpec];
     if (ref && ref.toUpperCase().startsWith('REFS/PULL/')) {
@@ -2046,7 +2044,6 @@ function getRefSpecForAllHistory(ref, commit) {
     }
     return result;
 }
-exports.getRefSpecForAllHistory = getRefSpecForAllHistory;
 function getRefSpec(ref, commit) {
     if (!ref && !commit) {
         throw new Error('Args ref and commit cannot both be empty');
@@ -2095,7 +2092,6 @@ function getRefSpec(ref, commit) {
         return [`+${ref}:${ref}`];
     }
 }
-exports.getRefSpec = getRefSpec;
 /**
  * Tests whether the initial fetch created the ref at the expected commit
  */
@@ -2139,7 +2135,6 @@ function testRef(git, ref, commit) {
         }
     });
 }
-exports.testRef = testRef;
 function checkCommitInfo(token, commitInfo, repositoryOwner, repositoryName, ref, commit, baseUrl) {
     return __awaiter(this, void 0, void 0, function* () {
         var _a;
@@ -2205,7 +2200,6 @@ function checkCommitInfo(token, commitInfo, repositoryOwner, repositoryName, ref
         }
     });
 }
-exports.checkCommitInfo = checkCommitInfo;
 function fromPayload(path) {
     return select(github.context.payload, path);
 }
@@ -2230,13 +2224,12 @@ function select(obj, path) {
 "use strict";
 
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.escape = void 0;
+exports.escape = escape;
 function escape(value) {
     return value.replace(/[^a-zA-Z0-9_]/g, x => {
         return `\\${x}`;
     });
 }
-exports.escape = escape;
 
 
 /***/ }),
@@ -2279,7 +2272,8 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.execute = exports.RetryHelper = void 0;
+exports.RetryHelper = void 0;
+exports.execute = execute;
 const core = __importStar(__nccwpck_require__(2186));
 const defaultMaxAttempts = 3;
 const defaultMinSeconds = 10;
@@ -2331,7 +2325,6 @@ function execute(action) {
         return yield retryHelper.execute(action);
     });
 }
-exports.execute = execute;
 
 
 /***/ }),
@@ -2365,7 +2358,11 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.setSafeDirectory = exports.setSshKnownHostsPath = exports.setSshKeyPath = exports.setRepositoryPath = exports.SshKnownHostsPath = exports.SshKeyPath = exports.PostSetSafeDirectory = exports.RepositoryPath = exports.IsPost = void 0;
+exports.SshKnownHostsPath = exports.SshKeyPath = exports.PostSetSafeDirectory = exports.RepositoryPath = exports.IsPost = void 0;
+exports.setRepositoryPath = setRepositoryPath;
+exports.setSshKeyPath = setSshKeyPath;
+exports.setSshKnownHostsPath = setSshKnownHostsPath;
+exports.setSafeDirectory = setSafeDirectory;
 const core = __importStar(__nccwpck_require__(2186));
 /**
  * Indicates whether the POST action is running
@@ -2393,28 +2390,24 @@ exports.SshKnownHostsPath = core.getState('sshKnownHostsPath');
 function setRepositoryPath(repositoryPath) {
     core.saveState('repositoryPath', repositoryPath);
 }
-exports.setRepositoryPath = setRepositoryPath;
 /**
  * Save the SSH key path so the POST action can retrieve the value.
  */
 function setSshKeyPath(sshKeyPath) {
     core.saveState('sshKeyPath', sshKeyPath);
 }
-exports.setSshKeyPath = setSshKeyPath;
 /**
  * Save the SSH known hosts path so the POST action can retrieve the value.
  */
 function setSshKnownHostsPath(sshKnownHostsPath) {
     core.saveState('sshKnownHostsPath', sshKnownHostsPath);
 }
-exports.setSshKnownHostsPath = setSshKnownHostsPath;
 /**
  * Save the set-safe-directory input so the POST action can retrieve the value.
  */
 function setSafeDirectory() {
     core.saveState('setSafeDirectory', 'true');
 }
-exports.setSafeDirectory = setSafeDirectory;
 // Publish a variable so that when the POST action runs, it can determine it should run the cleanup logic.
 // This is necessary since we don't have a separate entry point.
 if (!exports.IsPost) {
@@ -2453,7 +2446,10 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.isGhes = exports.getServerApiUrl = exports.getServerUrl = exports.getFetchUrl = void 0;
+exports.getFetchUrl = getFetchUrl;
+exports.getServerUrl = getServerUrl;
+exports.getServerApiUrl = getServerApiUrl;
+exports.isGhes = isGhes;
 const assert = __importStar(__nccwpck_require__(9491));
 const url_1 = __nccwpck_require__(7310);
 function getFetchUrl(settings) {
@@ -2469,28 +2465,52 @@ function getFetchUrl(settings) {
     // "origin" is SCHEME://HOSTNAME[:PORT]
     return `${serviceUrl.origin}/${encodedOwner}/${encodedName}`;
 }
-exports.getFetchUrl = getFetchUrl;
 function getServerUrl(url) {
-    let urlValue = url && url.trim().length > 0
-        ? url
-        : process.env['GITHUB_SERVER_URL'] || 'https://github.com';
-    return new url_1.URL(urlValue);
-}
-exports.getServerUrl = getServerUrl;
-function getServerApiUrl(url) {
-    let apiUrl = 'https://api.github.com';
-    if (isGhes(url)) {
-        const serverUrl = getServerUrl(url);
-        apiUrl = new url_1.URL(`${serverUrl.origin}/api/v3`).toString();
+    let resolvedUrl = process.env['GITHUB_SERVER_URL'] || 'https://github.com';
+    if (hasContent(url, WhitespaceMode.Trim)) {
+        resolvedUrl = url;
     }
-    return apiUrl;
+    return new url_1.URL(resolvedUrl);
+}
+function getServerApiUrl(url) {
+    if (hasContent(url, WhitespaceMode.Trim)) {
+        let serverUrl = getServerUrl(url);
+        if (isGhes(url)) {
+            serverUrl.pathname = 'api/v3';
+        }
+        else {
+            serverUrl.hostname = 'api.' + serverUrl.hostname;
+        }
+        return pruneSuffix(serverUrl.toString(), '/');
+    }
+    return process.env['GITHUB_API_URL'] || 'https://api.github.com';
 }
-exports.getServerApiUrl = getServerApiUrl;
 function isGhes(url) {
-    const ghUrl = getServerUrl(url);
-    return ghUrl.hostname.toUpperCase() !== 'GITHUB.COM';
+    const ghUrl = new url_1.URL(url || process.env['GITHUB_SERVER_URL'] || 'https://github.com');
+    const hostname = ghUrl.hostname.trimEnd().toUpperCase();
+    const isGitHubHost = hostname === 'GITHUB.COM';
+    const isGitHubEnterpriseCloudHost = hostname.endsWith('.GHE.COM');
+    const isLocalHost = hostname.endsWith('.LOCALHOST');
+    return !isGitHubHost && !isGitHubEnterpriseCloudHost && !isLocalHost;
+}
+function pruneSuffix(text, suffix) {
+    if (hasContent(suffix, WhitespaceMode.Preserve) && (text === null || text === void 0 ? void 0 : text.endsWith(suffix))) {
+        return text.substring(0, text.length - suffix.length);
+    }
+    return text;
+}
+var WhitespaceMode;
+(function (WhitespaceMode) {
+    WhitespaceMode[WhitespaceMode["Trim"] = 0] = "Trim";
+    WhitespaceMode[WhitespaceMode["Preserve"] = 1] = "Preserve";
+})(WhitespaceMode || (WhitespaceMode = {}));
+function hasContent(text, whitespaceMode) {
+    let refinedText = text !== null && text !== void 0 ? text : '';
+    if (whitespaceMode == WhitespaceMode.Trim) {
+        refinedText = refinedText.trim();
+    }
+    return refinedText.length > 0;
 }
-exports.isGhes = isGhes;
 
 
 /***/ }),
@@ -2533,7 +2553,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.getOrganizationId = void 0;
+exports.getOrganizationId = getOrganizationId;
 const core = __importStar(__nccwpck_require__(2186));
 const fs = __importStar(__nccwpck_require__(7147));
 /**
@@ -2562,7 +2582,6 @@ function getOrganizationId() {
         }
     });
 }
-exports.getOrganizationId = getOrganizationId;
 
 
 /***/ }),

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "checkout",
-  "version": "4.2.1",
+  "version": "4.2.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "checkout",
-      "version": "4.2.1",
+      "version": "4.2.2",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^1.10.1",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "checkout",
-  "version": "4.2.1",
+  "version": "4.2.2",
   "description": "checkout action",
   "main": "lib/main.js",
   "scripts": {

src/git-command-manager.ts

@@ -42,7 +42,7 @@ export interface IGitCommandManager {
   ): Promise<void>
   getDefaultBranch(repositoryUrl: string): Promise<string>
   getWorkingDirectory(): string
-  init(options?: { objectFormat?: string }): Promise<void>
+  init(options?: {objectFormat?: string}): Promise<void>
   isDetached(): Promise<boolean>
   lfsFetch(ref: string): Promise<void>
   lfsInstall(): Promise<void>
@@ -327,10 +327,12 @@ class GitCommandManager {
     return this.workingDirectory
   }
 
-  async init(options?: { objectFormat?: string }): Promise<void> {
+  async init(options?: {objectFormat?: string}): Promise<void> {
     await this.execGit([
       'init',
-      ...(options?.objectFormat ? [`--object-format=${options.objectFormat}`] : []),
+      ...(options?.objectFormat
+        ? [`--object-format=${options.objectFormat}`]
+        : []),
       this.workingDirectory
     ])
   }

src/git-source-provider.ts

@@ -110,7 +110,7 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
       !fsHelper.directoryExistsSync(path.join(settings.repositoryPath, '.git'))
     ) {
       core.startGroup('Initializing the repository')
-      await git.init({ objectFormat: settings.objectFormat })
+      await git.init({objectFormat: settings.objectFormat})
       await git.remoteAdd('origin', repositoryUrl)
       core.endGroup()
     }

src/url-helper.ts

@@ -21,26 +21,61 @@ export function getFetchUrl(settings: IGitSourceSettings): string {
 }
 
 export function getServerUrl(url?: string): URL {
-  let urlValue =
-    url && url.trim().length > 0
-      ? url
-      : process.env['GITHUB_SERVER_URL'] || 'https://github.com'
-  return new URL(urlValue)
+  let resolvedUrl = process.env['GITHUB_SERVER_URL'] || 'https://github.com'
+  if (hasContent(url, WhitespaceMode.Trim)) {
+    resolvedUrl = url!
+  }
+
+  return new URL(resolvedUrl)
 }
 
 export function getServerApiUrl(url?: string): string {
-  let apiUrl = 'https://api.github.com'
+  if (hasContent(url, WhitespaceMode.Trim)) {
+    let serverUrl = getServerUrl(url)
+    if (isGhes(url)) {
+      serverUrl.pathname = 'api/v3'
+    } else {
+      serverUrl.hostname = 'api.' + serverUrl.hostname
+    }
 
-  if (isGhes(url)) {
-    const serverUrl = getServerUrl(url)
-    apiUrl = new URL(`${serverUrl.origin}/api/v3`).toString()
+    return pruneSuffix(serverUrl.toString(), '/')
   }
 
-  return apiUrl
+  return process.env['GITHUB_API_URL'] || 'https://api.github.com'
 }
 
 export function isGhes(url?: string): boolean {
-  const ghUrl = getServerUrl(url)
+  const ghUrl = new URL(
+    url || process.env['GITHUB_SERVER_URL'] || 'https://github.com'
+  )
 
-  return ghUrl.hostname.toUpperCase() !== 'GITHUB.COM'
+  const hostname = ghUrl.hostname.trimEnd().toUpperCase()
+  const isGitHubHost = hostname === 'GITHUB.COM'
+  const isGitHubEnterpriseCloudHost = hostname.endsWith('.GHE.COM')
+  const isLocalHost = hostname.endsWith('.LOCALHOST')
+
+  return !isGitHubHost && !isGitHubEnterpriseCloudHost && !isLocalHost
+}
+
+function pruneSuffix(text: string, suffix: string) {
+  if (hasContent(suffix, WhitespaceMode.Preserve) && text?.endsWith(suffix)) {
+    return text.substring(0, text.length - suffix.length)
+  }
+  return text
+}
+
+enum WhitespaceMode {
+  Trim,
+  Preserve
+}
+
+function hasContent(
+  text: string | undefined,
+  whitespaceMode: WhitespaceMode
+): boolean {
+  let refinedText = text ?? ''
+  if (whitespaceMode == WhitespaceMode.Trim) {
+    refinedText = refinedText.trim()
+  }
+  return refinedText.length > 0
 }