Prepare release v3.1.0 (#940)

* Prepare changelog for v3.1.0

* Bump package

.eslintrc.json

@@ -1,6 +1,6 @@
 {
   "plugins": ["jest", "@typescript-eslint"],
-  "extends": ["plugin:github/es6"],
+  "extends": ["plugin:github/recommended"],
   "parser": "@typescript-eslint/parser",
   "parserOptions": {
     "ecmaVersion": 9,
@@ -16,23 +16,19 @@
     "@typescript-eslint/no-require-imports": "error",
     "@typescript-eslint/array-type": "error",
     "@typescript-eslint/await-thenable": "error",
-    "@typescript-eslint/ban-ts-ignore": "error",
     "camelcase": "off",
-    "@typescript-eslint/camelcase": "error",
-    "@typescript-eslint/class-name-casing": "error",
     "@typescript-eslint/explicit-function-return-type": ["error", {"allowExpressions": true}],
     "@typescript-eslint/func-call-spacing": ["error", "never"],
-    "@typescript-eslint/generic-type-naming": ["error", "^[A-Z][A-Za-z]*$"],
     "@typescript-eslint/no-array-constructor": "error",
     "@typescript-eslint/no-empty-interface": "error",
     "@typescript-eslint/no-explicit-any": "error",
     "@typescript-eslint/no-extraneous-class": "error",
+    "@typescript-eslint/no-floating-promises": "error",
     "@typescript-eslint/no-for-in-array": "error",
     "@typescript-eslint/no-inferrable-types": "error",
     "@typescript-eslint/no-misused-new": "error",
     "@typescript-eslint/no-namespace": "error",
     "@typescript-eslint/no-non-null-assertion": "warn",
-    "@typescript-eslint/no-object-literal-type-assertion": "error",
     "@typescript-eslint/no-unnecessary-qualifier": "error",
     "@typescript-eslint/no-unnecessary-type-assertion": "error",
     "@typescript-eslint/no-useless-constructor": "error",
@@ -40,7 +36,6 @@
     "@typescript-eslint/prefer-for-of": "warn",
     "@typescript-eslint/prefer-function-type": "warn",
     "@typescript-eslint/prefer-includes": "error",
-    "@typescript-eslint/prefer-interface": "error",
     "@typescript-eslint/prefer-string-starts-ends-with": "error",
     "@typescript-eslint/promise-function-async": "error",
     "@typescript-eslint/require-array-sort-compare": "error",

.gitattributes

@@ -0,0 +1 @@
+.licenses/** -diff linguist-generated=true

.github/workflows/check-dist.yml

@@ -0,0 +1,51 @@
+# `dist/index.js` is a special file in Actions.
+# When you reference an action with `uses:` in a workflow,
+# `index.js` is the code that will run.
+# For our project, we generate this file through a build process
+# from other source files.
+# We need to make sure the checked-in `index.js` actually matches what we expect it to be.
+name: Check dist
+
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+  workflow_dispatch:
+
+jobs:
+  check-dist:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set Node.js 16.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 16.x
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Rebuild the index.js file
+        run: npm run build
+
+      - name: Compare the expected and actual dist/ directories
+        run: |
+          if [ "$(git diff --ignore-space-at-eol dist/ | wc -l)" -gt "0" ]; then
+            echo "Detected uncommitted changes after build.  See status below:"
+            git diff
+            exit 1
+          fi
+
+      # If dist/ was different than expected, upload the expected version as an artifact
+      - uses: actions/upload-artifact@v2
+        if: ${{ failure() && steps.diff.conclusion == 'failure' }}
+        with:
+          name: dist
+          path: dist/

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,58 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ main ]
+  schedule:
+    - cron: '28 9 * * 0'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'javascript' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    - run: npm ci
+    - run: npm run build
+    - run: rm -rf dist # We want code scanning to analyze lib instead (individual .js files)
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

.github/workflows/licensed.yml

@@ -0,0 +1,14 @@
+name: Licensed
+
+on:
+  push: {branches: main}
+  pull_request: {branches: main}
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: Check licenses
+    steps:
+      - uses: actions/checkout@v3
+      - run: npm ci
+      - run: npm run licensed-check

.github/workflows/test.yml

@@ -4,7 +4,7 @@ on:
   pull_request:
   push:
     branches:
-      - master
+      - main
       - releases/*
 
 jobs:
@@ -13,8 +13,8 @@ jobs:
     steps:
       - uses: actions/setup-node@v1
         with:
-          node-version: 12.x
-      - uses: actions/checkout@v2
+          node-version: 16.x
+      - uses: actions/checkout@v3
       - run: npm ci
       - run: npm run build
       - run: npm run format-check
@@ -32,7 +32,7 @@ jobs:
     steps:
       # Clone this repo
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Basic checkout
       - name: Checkout basic
@@ -150,7 +150,7 @@ jobs:
     steps:
       # Clone this repo
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Basic checkout using git
       - name: Checkout basic
@@ -182,7 +182,7 @@ jobs:
     steps:
       # Clone this repo
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       # Basic checkout using git
       - name: Checkout basic
@@ -205,3 +205,41 @@ jobs:
           path: basic
       - name: Verify basic
         run: __test__/verify-basic.sh --archive
+    
+  test-git-container:
+    runs-on: ubuntu-latest
+    container: bitnami/git:latest
+    steps:
+      # Clone this repo
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          path: v3
+
+      # Basic checkout using git
+      - name: Checkout basic
+        uses: ./v3
+        with:
+          ref: test-data/v2/basic
+      - name: Verify basic
+        run: |
+          if [ ! -f "./basic-file.txt" ]; then
+              echo "Expected basic file does not exist"
+              exit 1
+          fi
+
+          # Verify .git folder
+          if [ ! -d "./.git" ]; then
+            echo "Expected ./.git folder to exist"
+            exit 1
+          fi
+
+          # Verify auth token
+          git config --global --add safe.directory "*"
+          git fetch --no-tags --depth=1 origin +refs/heads/main:refs/remotes/origin/main
+
+      # needed to make checkout post cleanup succeed
+      - name: Fix Checkout v3
+        uses: actions/checkout@v3
+        with:
+          path: v3

.gitignore

@@ -1,3 +1,5 @@
 __test__/_temp
+_temp/
 lib/
-node_modules/
+node_modules/
+.vscode/

.licensed.yml

@@ -0,0 +1,14 @@
+sources:
+  npm: true
+
+allowed:
+  - apache-2.0
+  - bsd-2-clause
+  - bsd-3-clause
+  - isc
+  - mit
+  - cc0-1.0
+  - unlicense
+
+reviewed:
+  npm:

CHANGELOG.md

@@ -1,5 +1,24 @@
 # Changelog
 
+## v3.1.0
+- [Use @actions/core `saveState` and `getState`](https://github.com/actions/checkout/pull/939)
+- [Add `github-server-url` input](https://github.com/actions/checkout/pull/922)
+
+## v3.0.2
+- [Add input `set-safe-directory`](https://github.com/actions/checkout/pull/770)
+
+## v3.0.1
+- [Fixed an issue where checkout failed to run in container jobs due to the new git setting `safe.directory`](https://github.com/actions/checkout/pull/762)
+- [Bumped various npm package versions](https://github.com/actions/checkout/pull/744)
+
+## v3.0.0
+
+- [Update to node 16](https://github.com/actions/checkout/pull/689)
+
+## v2.3.1
+
+- [Fix default branch resolution for .wiki and when using SSH](https://github.com/actions/checkout/pull/284)
+
 ## v2.3.0
 
 - [Fallback to the default branch](https://github.com/actions/checkout/pull/278)

CODEOWNERS

@@ -0,0 +1 @@
+* @actions/actions-runtime

README.md

@@ -2,7 +2,7 @@
   <a href="https://github.com/actions/checkout"><img alt="GitHub Actions status" src="https://github.com/actions/checkout/workflows/test-local/badge.svg"></a>
 </p>
 
-# Checkout V2
+# Checkout V3
 
 This action checks-out your repository under `$GITHUB_WORKSPACE`, so your workflow can access it.
 
@@ -14,27 +14,14 @@ When Git 2.18 or higher is not in your PATH, falls back to the REST API to downl
 
 # What's new
 
-- Improved performance
-  - Fetches only a single commit by default
-- Script authenticated git commands
-  - Auth token persisted in the local git config
-- Supports SSH
-- Creates a local branch
-  - No longer detached HEAD when checking out a branch
-- Improved layout
-  - The input `path` is always relative to $GITHUB_WORKSPACE
-  - Aligns better with container actions, where $GITHUB_WORKSPACE gets mapped in
-- Fallback to REST API download
-  - When Git 2.18 or higher is not in the PATH, the REST API will be used to download the files
-  - When using a job container, the container's PATH is used
-
-Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous versions.
+- Updated to the node16 runtime by default
+  - This requires a minimum [Actions Runner](https://github.com/actions/runner/releases/tag/v2.285.0) version of v2.285.0 to run, which is by default available in GHES 3.4 or later.
 
 # Usage
 
 <!-- start usage -->
 ```yaml
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
   with:
     # Repository name with owner. For example, actions/checkout
     # Default: ${{ github.repository }}
@@ -89,7 +76,7 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
     # Default: true
     clean: ''
 
-    # Number of commits to fetch. 0 indicates all history.
+    # Number of commits to fetch. 0 indicates all history for all branches and tags.
     # Default: 1
     fetch-depth: ''
 
@@ -105,6 +92,17 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
     #
     # Default: false
     submodules: ''
+
+    # Add repository path as safe.directory for Git global config by running `git
+    # config --global --add safe.directory <path>`
+    # Default: true
+    set-safe-directory: ''
+
+    # 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
+    github-server-url: ''
 ```
 <!-- end usage -->
 
@@ -118,11 +116,12 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
 - [Checkout multiple repos (private)](#Checkout-multiple-repos-private)
 - [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)
 
 ## Fetch all history for all tags and branches
 
 ```yaml
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
   with:
     fetch-depth: 0
 ```
@@ -130,7 +129,7 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
 ## Checkout a different branch
 
 ```yaml
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
   with:
     ref: my-branch
 ```
@@ -138,7 +137,7 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
 ## Checkout HEAD^
 
 ```yaml
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
   with:
     fetch-depth: 2
 - run: git checkout HEAD^
@@ -148,12 +147,12 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
 
 ```yaml
 - name: Checkout
-  uses: actions/checkout@v2
+  uses: actions/checkout@v3
   with:
     path: main
 
 - name: Checkout tools repo
-  uses: actions/checkout@v2
+  uses: actions/checkout@v3
   with:
     repository: my-org/my-tools
     path: my-tools
@@ -163,10 +162,10 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
 
 ```yaml
 - name: Checkout
-  uses: actions/checkout@v2
+  uses: actions/checkout@v3
 
 - name: Checkout tools repo
-  uses: actions/checkout@v2
+  uses: actions/checkout@v3
   with:
     repository: my-org/my-tools
     path: my-tools
@@ -176,15 +175,15 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
 
 ```yaml
 - name: Checkout
-  uses: actions/checkout@v2
+  uses: actions/checkout@v3
   with:
     path: main
 
 - name: Checkout private tools
-  uses: actions/checkout@v2
+  uses: actions/checkout@v3
   with:
     repository: my-org/my-private-tools
-    token: ${{ secrets.GitHub_PAT }} # `GitHub_PAT` is a secret that contains your PAT
+    token: ${{ secrets.GH_PAT }} # `GH_PAT` is a secret that contains your PAT
     path: my-tools
 ```
 
@@ -194,7 +193,7 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
 ## Checkout pull request HEAD commit instead of merge commit
 
 ```yaml
-- uses: actions/checkout@v2
+- uses: actions/checkout@v3
   with:
     ref: ${{ github.event.pull_request.head.sha }}
 ```
@@ -204,13 +203,31 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
 ```yaml
 on:
   pull_request:
-    branches: [master]
+    branches: [main]
     types: [opened, synchronize, closed]
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
+```
+
+## Push a commit using the built-in token
+
+```yaml
+on: push
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: |
+          date > generated.txt
+          git config user.name github-actions
+          git config user.email github-actions@github.com
+          git add .
+          git commit -m "generated"
+          git push
 ```
 
 # License

__test__/git-auth-helper.test.ts

@@ -20,6 +20,7 @@ let tempHomedir: string
 let git: IGitCommandManager & {env: {[key: string]: string}}
 let settings: IGitSourceSettings
 let sshPath: string
+let githubServerUrl: string
 
 describe('git-auth-helper tests', () => {
   beforeAll(async () => {
@@ -67,11 +68,18 @@ describe('git-auth-helper tests', () => {
     }
   })
 
-  const configureAuth_configuresAuthHeader =
-    'configureAuth configures auth header'
-  it(configureAuth_configuresAuthHeader, async () => {
+  async function testAuthHeader(
+    testName: string,
+    serverUrl: string | undefined = undefined
+  ) {
     // Arrange
-    await setup(configureAuth_configuresAuthHeader)
+    let expectedServerUrl = 'https://github.com'
+    if (serverUrl) {
+      githubServerUrl = serverUrl
+      expectedServerUrl = githubServerUrl
+    }
+
+    await setup(testName)
     expect(settings.authToken).toBeTruthy() // sanity check
     const authHelper = gitAuthHelper.createAuthHelper(git, settings)
 
@@ -88,9 +96,33 @@ describe('git-auth-helper tests', () => {
     ).toString('base64')
     expect(
       configContent.indexOf(
-        `http.https://github.com/.extraheader AUTHORIZATION: basic ${basicCredential}`
+        `http.${expectedServerUrl}/.extraheader AUTHORIZATION: basic ${basicCredential}`
       )
     ).toBeGreaterThanOrEqual(0)
+  }
+
+  const configureAuth_configuresAuthHeader =
+    'configureAuth configures auth header'
+  it(configureAuth_configuresAuthHeader, async () => {
+    await testAuthHeader(configureAuth_configuresAuthHeader)
+  })
+
+  const configureAuth_AcceptsGitHubServerUrl =
+    'inject https://my-ghes-server.com as github server url'
+  it(configureAuth_AcceptsGitHubServerUrl, async () => {
+    await testAuthHeader(
+      configureAuth_AcceptsGitHubServerUrl,
+      'https://my-ghes-server.com'
+    )
+  })
+
+  const configureAuth_AcceptsGitHubServerUrlSetToGHEC =
+    'inject https://github.com as github server url'
+  it(configureAuth_AcceptsGitHubServerUrlSetToGHEC, async () => {
+    await testAuthHeader(
+      configureAuth_AcceptsGitHubServerUrl,
+      'https://github.com'
+    )
   })
 
   const configureAuth_configuresAuthHeaderEvenWhenPersistCredentialsFalse =
@@ -417,7 +449,7 @@ describe('git-auth-helper tests', () => {
           `Did not expect file to exist: '${globalGitConfigPath}'`
         )
       } catch (err) {
-        if (err.code !== 'ENOENT') {
+        if ((err as any)?.code !== 'ENOENT') {
           throw err
         }
       }
@@ -518,12 +550,17 @@ describe('git-auth-helper tests', () => {
       await authHelper.configureSubmoduleAuth()
 
       // Assert
-      expect(mockSubmoduleForeach).toHaveBeenCalledTimes(3)
+      expect(mockSubmoduleForeach).toHaveBeenCalledTimes(4)
       expect(mockSubmoduleForeach.mock.calls[0][0]).toMatch(
         /unset-all.*insteadOf/
       )
       expect(mockSubmoduleForeach.mock.calls[1][0]).toMatch(/http.*extraheader/)
-      expect(mockSubmoduleForeach.mock.calls[2][0]).toMatch(/url.*insteadOf/)
+      expect(mockSubmoduleForeach.mock.calls[2][0]).toMatch(
+        /url.*insteadOf.*git@github.com:/
+      )
+      expect(mockSubmoduleForeach.mock.calls[3][0]).toMatch(
+        /url.*insteadOf.*org-123456@github.com:/
+      )
     }
   )
 
@@ -601,7 +638,7 @@ describe('git-auth-helper tests', () => {
       await fs.promises.stat(actualKeyPath)
       throw new Error('SSH key should have been deleted')
     } catch (err) {
-      if (err.code !== 'ENOENT') {
+      if ((err as any)?.code !== 'ENOENT') {
         throw err
       }
     }
@@ -611,7 +648,7 @@ describe('git-auth-helper tests', () => {
       await fs.promises.stat(actualKnownHostsPath)
       throw new Error('SSH known hosts should have been deleted')
     } catch (err) {
-      if (err.code !== 'ENOENT') {
+      if ((err as any)?.code !== 'ENOENT') {
         throw err
       }
     }
@@ -638,10 +675,11 @@ describe('git-auth-helper tests', () => {
     expect(gitConfigContent.indexOf('http.')).toBeLessThan(0)
   })
 
-  const removeGlobalAuth_removesOverride = 'removeGlobalAuth removes override'
-  it(removeGlobalAuth_removesOverride, async () => {
+  const removeGlobalConfig_removesOverride =
+    'removeGlobalConfig removes override'
+  it(removeGlobalConfig_removesOverride, async () => {
     // Arrange
-    await setup(removeGlobalAuth_removesOverride)
+    await setup(removeGlobalConfig_removesOverride)
     const authHelper = gitAuthHelper.createAuthHelper(git, settings)
     await authHelper.configureAuth()
     await authHelper.configureGlobalAuth()
@@ -650,7 +688,7 @@ describe('git-auth-helper tests', () => {
     await fs.promises.stat(path.join(git.env['HOME'], '.gitconfig'))
 
     // Act
-    await authHelper.removeGlobalAuth()
+    await authHelper.removeGlobalConfig()
 
     // Assert
     expect(git.env['HOME']).toBeUndefined()
@@ -658,7 +696,7 @@ describe('git-auth-helper tests', () => {
       await fs.promises.stat(homeOverride)
       throw new Error(`Should have been deleted '${homeOverride}'`)
     } catch (err) {
-      if (err.code !== 'ENOENT') {
+      if ((err as any)?.code !== 'ENOENT') {
         throw err
       }
     }
@@ -714,6 +752,7 @@ async function setup(testName: string): Promise<void> {
     ),
     env: {},
     fetch: jest.fn(),
+    getDefaultBranch: jest.fn(),
     getWorkingDirectory: jest.fn(() => workspace),
     init: jest.fn(),
     isDetached: jest.fn(),
@@ -763,13 +802,16 @@ async function setup(testName: string): Promise<void> {
     submodules: false,
     nestedSubmodules: false,
     persistCredentials: true,
-    ref: 'refs/heads/master',
+    ref: 'refs/heads/main',
     repositoryName: 'my-repo',
     repositoryOwner: 'my-org',
     repositoryPath: '',
     sshKey: sshPath ? 'some ssh private key' : '',
     sshKnownHosts: '',
-    sshStrict: true
+    sshStrict: true,
+    workflowOrganizationId: 123456,
+    setSafeDirectory: true,
+    githubServerUrl: githubServerUrl
   }
 }
 

__test__/git-directory-helper.test.ts

@@ -408,6 +408,7 @@ async function setup(testName: string): Promise<void> {
     config: jest.fn(),
     configExists: jest.fn(),
     fetch: jest.fn(),
+    getDefaultBranch: jest.fn(),
     getWorkingDirectory: jest.fn(() => repositoryPath),
     init: jest.fn(),
     isDetached: jest.fn(),

__test__/input-helper.test.ts

@@ -1,9 +1,9 @@
-import * as assert from 'assert'
 import * as core from '@actions/core'
 import * as fsHelper from '../lib/fs-helper'
 import * as github from '@actions/github'
 import * as inputHelper from '../lib/input-helper'
 import * as path from 'path'
+import * as workflowContextHelper from '../lib/workflow-context-helper'
 import {IGitSourceSettings} from '../lib/git-source-settings'
 
 const originalGitHubWorkspace = process.env['GITHUB_WORKSPACE']
@@ -43,6 +43,11 @@ describe('input-helper tests', () => {
       .spyOn(fsHelper, 'directoryExistsSync')
       .mockImplementation((path: string) => path == gitHubWorkspace)
 
+    // Mock ./workflowContextHelper getOrganizationId()
+    jest
+      .spyOn(workflowContextHelper, 'getOrganizationId')
+      .mockImplementation(() => Promise.resolve(123456))
+
     // GitHub workspace
     process.env['GITHUB_WORKSPACE'] = gitHubWorkspace
   })
@@ -67,8 +72,8 @@ describe('input-helper tests', () => {
     jest.restoreAllMocks()
   })
 
-  it('sets defaults', () => {
-    const settings: IGitSourceSettings = inputHelper.getInputs()
+  it('sets defaults', async () => {
+    const settings: IGitSourceSettings = await inputHelper.getInputs()
     expect(settings).toBeTruthy()
     expect(settings.authToken).toBeFalsy()
     expect(settings.clean).toBe(true)
@@ -80,13 +85,14 @@ describe('input-helper tests', () => {
     expect(settings.repositoryName).toBe('some-repo')
     expect(settings.repositoryOwner).toBe('some-owner')
     expect(settings.repositoryPath).toBe(gitHubWorkspace)
+    expect(settings.setSafeDirectory).toBe(true)
   })
 
-  it('qualifies ref', () => {
+  it('qualifies ref', async () => {
     let originalRef = github.context.ref
     try {
       github.context.ref = 'some-unqualified-ref'
-      const settings: IGitSourceSettings = inputHelper.getInputs()
+      const settings: IGitSourceSettings = await inputHelper.getInputs()
       expect(settings).toBeTruthy()
       expect(settings.commit).toBe('1234567890123456789012345678901234567890')
       expect(settings.ref).toBe('refs/heads/some-unqualified-ref')
@@ -95,32 +101,42 @@ describe('input-helper tests', () => {
     }
   })
 
-  it('requires qualified repo', () => {
+  it('requires qualified repo', async () => {
     inputs.repository = 'some-unqualified-repo'
-    assert.throws(() => {
-      inputHelper.getInputs()
-    }, /Invalid repository 'some-unqualified-repo'/)
+    try {
+      await inputHelper.getInputs()
+      throw 'should not reach here'
+    } catch (err) {
+      expect(`(${(err as any).message}`).toMatch(
+        "Invalid repository 'some-unqualified-repo'"
+      )
+    }
   })
 
-  it('roots path', () => {
+  it('roots path', async () => {
     inputs.path = 'some-directory/some-subdirectory'
-    const settings: IGitSourceSettings = inputHelper.getInputs()
+    const settings: IGitSourceSettings = await inputHelper.getInputs()
     expect(settings.repositoryPath).toBe(
       path.join(gitHubWorkspace, 'some-directory', 'some-subdirectory')
     )
   })
 
-  it('sets ref to empty when explicit sha', () => {
+  it('sets ref to empty when explicit sha', async () => {
     inputs.ref = '1111111111222222222233333333334444444444'
-    const settings: IGitSourceSettings = inputHelper.getInputs()
+    const settings: IGitSourceSettings = await inputHelper.getInputs()
     expect(settings.ref).toBeFalsy()
     expect(settings.commit).toBe('1111111111222222222233333333334444444444')
   })
 
-  it('sets sha to empty when explicit ref', () => {
+  it('sets sha to empty when explicit ref', async () => {
     inputs.ref = 'refs/heads/some-other-ref'
-    const settings: IGitSourceSettings = inputHelper.getInputs()
+    const settings: IGitSourceSettings = await inputHelper.getInputs()
     expect(settings.ref).toBe('refs/heads/some-other-ref')
     expect(settings.commit).toBeFalsy()
   })
+
+  it('sets workflow organization ID', async () => {
+    const settings: IGitSourceSettings = await inputHelper.getInputs()
+    expect(settings.workflowOrganizationId).toBe(123456)
+  })
 })

__test__/override-git-version.cmd

@@ -2,5 +2,5 @@
 mkdir override-git-version
 cd override-git-version
 echo @echo override git version 1.2.3 > git.cmd
-echo ::add-path::%CD%
+echo "%CD%" >> $GITHUB_PATH
 cd ..

__test__/override-git-version.sh

@@ -5,5 +5,5 @@ cd override-git-version
 echo "#!/bin/sh" > git
 echo "echo override git version 1.2.3" >> git
 chmod +x git
-echo "::add-path::$(pwd)"
+echo "$(pwd)" >> $GITHUB_PATH
 cd ..

__test__/ref-helper.test.ts

@@ -16,7 +16,7 @@ describe('ref-helper tests', () => {
       await refHelper.getCheckoutInfo(git, 'refs/heads/my/branch', commit)
       throw new Error('Should not reach here')
     } catch (err) {
-      expect(err.message).toBe('Arg git cannot be empty')
+      expect((err as any)?.message).toBe('Arg git cannot be empty')
     }
   })
 
@@ -25,7 +25,9 @@ describe('ref-helper tests', () => {
       await refHelper.getCheckoutInfo(git, '', '')
       throw new Error('Should not reach here')
     } catch (err) {
-      expect(err.message).toBe('Args ref and commit cannot both be empty')
+      expect((err as any)?.message).toBe(
+        'Args ref and commit cannot both be empty'
+      )
     }
   })
 
@@ -102,7 +104,7 @@ describe('ref-helper tests', () => {
       await refHelper.getCheckoutInfo(git, 'my-ref', '')
       throw new Error('Should not reach here')
     } catch (err) {
-      expect(err.message).toBe(
+      expect((err as any)?.message).toBe(
         "A branch or tag with the name 'my-ref' could not be found"
       )
     }

__test__/retry-helper.test.ts

@@ -74,7 +74,7 @@ describe('retry-helper tests', () => {
         throw new Error(`some error ${++attempts}`)
       })
     } catch (err) {
-      error = err
+      error = err as Error
     }
     expect(error.message).toBe('some error 3')
     expect(attempts).toBe(3)

__test__/verify-basic.sh

@@ -20,5 +20,5 @@ else
 
   # Verify auth token
   cd basic
-  git fetch --no-tags --depth=1 origin +refs/heads/master:refs/remotes/origin/master
+  git fetch --no-tags --depth=1 origin +refs/heads/main:refs/remotes/origin/main
 fi

action.yml

@@ -54,7 +54,7 @@ inputs:
     description: 'Whether to execute `git clean -ffdx && git reset --hard HEAD` before fetching'
     default: true
   fetch-depth:
-    description: 'Number of commits to fetch. 0 indicates all history.'
+    description: 'Number of commits to fetch. 0 indicates all history for all branches and tags.'
     default: 1
   lfs:
     description: 'Whether to download Git-LFS files'
@@ -68,7 +68,13 @@ inputs:
       When the `ssh-key` input is not provided, SSH URLs beginning with `git@github.com:` are
       converted to HTTPS.
     default: false
+  set-safe-directory:
+    description: Add repository path as safe.directory for Git global config by running `git config --global --add safe.directory <path>`
+    default: true
+  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
 runs:
-  using: node12
+  using: node16
   main: dist/index.js
   post: dist/index.js

adrs/0153-checkout-v2.md

@@ -24,7 +24,7 @@ We want to take this opportunity to make behavioral changes, from v1. This docum
     description: >
       The branch, tag or SHA to checkout. When checking out the repository that
       triggered a workflow, this defaults to the reference or SHA for that
-      event.  Otherwise, defaults to `master`.
+      event.  Otherwise, uses the default branch.
   token:
     description: >
       Personal access token (PAT) used to fetch the repository. The PAT is configured
@@ -277,7 +277,7 @@ Note:
 ### Branching strategy and release tags
 
 - Create a servicing branch for V1: `releases/v1`
-- Merge the changes into `master`
+- Merge the changes into the default branch
 - Release using a new tag `preview`
 - When stable, release using a new tag `v2`
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "checkout",
-  "version": "2.0.2",
+  "version": "3.1.0",
   "description": "checkout action",
   "main": "lib/main.js",
   "scripts": {
@@ -8,7 +8,9 @@
     "format": "prettier --write '**/*.ts'",
     "format-check": "prettier --check '**/*.ts'",
     "lint": "eslint src/**/*.ts",
-    "test": "jest"
+    "test": "jest",
+    "licensed-check": "src/misc/licensed-check.sh",
+    "licensed-generate": "src/misc/licensed-generate.sh"
   },
   "repository": {
     "type": "git",
@@ -26,7 +28,7 @@
   },
   "homepage": "https://github.com/actions/checkout#readme",
   "dependencies": {
-    "@actions/core": "^1.1.3",
+    "@actions/core": "^1.10.0",
     "@actions/exec": "^1.0.1",
     "@actions/github": "^2.2.0",
     "@actions/io": "^1.0.1",
@@ -34,19 +36,19 @@
     "uuid": "^3.3.3"
   },
   "devDependencies": {
-    "@types/jest": "^24.0.23",
+    "@types/jest": "^27.0.2",
     "@types/node": "^12.7.12",
     "@types/uuid": "^3.4.6",
-    "@typescript-eslint/parser": "^2.8.0",
+    "@typescript-eslint/parser": "^5.1.0",
     "@zeit/ncc": "^0.20.5",
-    "eslint": "^5.16.0",
-    "eslint-plugin-github": "^2.0.0",
-    "eslint-plugin-jest": "^22.21.0",
-    "jest": "^24.9.0",
-    "jest-circus": "^24.9.0",
+    "eslint": "^7.32.0",
+    "eslint-plugin-github": "^4.3.2",
+    "eslint-plugin-jest": "^25.2.2",
+    "jest": "^27.3.0",
+    "jest-circus": "^27.3.0",
     "js-yaml": "^3.13.1",
     "prettier": "^1.19.1",
-    "ts-jest": "^24.2.0",
-    "typescript": "^3.6.4"
+    "ts-jest": "^27.0.7",
+    "typescript": "^4.4.4"
   }
 }

src/fs-helper.ts

@@ -9,7 +9,7 @@ export function directoryExistsSync(path: string, required?: boolean): boolean {
   try {
     stats = fs.statSync(path)
   } catch (error) {
-    if (error.code === 'ENOENT') {
+    if ((error as any)?.code === 'ENOENT') {
       if (!required) {
         return false
       }
@@ -18,7 +18,8 @@ export function directoryExistsSync(path: string, required?: boolean): boolean {
     }
 
     throw new Error(
-      `Encountered an error when checking whether path '${path}' exists: ${error.message}`
+      `Encountered an error when checking whether path '${path}' exists: ${(error as any)
+        ?.message ?? error}`
     )
   }
 
@@ -39,12 +40,13 @@ export function existsSync(path: string): boolean {
   try {
     fs.statSync(path)
   } catch (error) {
-    if (error.code === 'ENOENT') {
+    if ((error as any)?.code === 'ENOENT') {
       return false
     }
 
     throw new Error(
-      `Encountered an error when checking whether path '${path}' exists: ${error.message}`
+      `Encountered an error when checking whether path '${path}' exists: ${(error as any)
+        ?.message ?? error}`
     )
   }
 
@@ -60,12 +62,13 @@ export function fileExistsSync(path: string): boolean {
   try {
     stats = fs.statSync(path)
   } catch (error) {
-    if (error.code === 'ENOENT') {
+    if ((error as any)?.code === 'ENOENT') {
       return false
     }
 
     throw new Error(
-      `Encountered an error when checking whether path '${path}' exists: ${error.message}`
+      `Encountered an error when checking whether path '${path}' exists: ${(error as any)
+        ?.message ?? error}`
     )
   }
 

src/git-auth-helper.ts

@@ -19,8 +19,9 @@ export interface IGitAuthHelper {
   configureAuth(): Promise<void>
   configureGlobalAuth(): Promise<void>
   configureSubmoduleAuth(): Promise<void>
+  configureTempGlobalConfig(): Promise<string>
   removeAuth(): Promise<void>
-  removeGlobalAuth(): Promise<void>
+  removeGlobalConfig(): Promise<void>
 }
 
 export function createAuthHelper(
@@ -37,7 +38,7 @@ class GitAuthHelper {
   private readonly tokenConfigValue: string
   private readonly tokenPlaceholderConfigValue: string
   private readonly insteadOfKey: string
-  private readonly insteadOfValue: string
+  private readonly insteadOfValues: string[] = []
   private sshCommand = ''
   private sshKeyPath = ''
   private sshKnownHostsPath = ''
@@ -45,13 +46,13 @@ class GitAuthHelper {
 
   constructor(
     gitCommandManager: IGitCommandManager,
-    gitSourceSettings?: IGitSourceSettings
+    gitSourceSettings: IGitSourceSettings | undefined
   ) {
     this.git = gitCommandManager
     this.settings = gitSourceSettings || (({} as unknown) as IGitSourceSettings)
 
     // Token auth header
-    const serverUrl = urlHelper.getServerUrl()
+    const serverUrl = urlHelper.getServerUrl(this.settings.githubServerUrl)
     this.tokenConfigKey = `http.${serverUrl.origin}/.extraheader` // "origin" is SCHEME://HOSTNAME[:PORT]
     const basicCredential = Buffer.from(
       `x-access-token:${this.settings.authToken}`,
@@ -63,7 +64,12 @@ class GitAuthHelper {
 
     // Instead of SSH URL
     this.insteadOfKey = `url.${serverUrl.origin}/.insteadOf` // "origin" is SCHEME://HOSTNAME[:PORT]
-    this.insteadOfValue = `git@${serverUrl.hostname}:`
+    this.insteadOfValues.push(`git@${serverUrl.hostname}:`)
+    if (this.settings.workflowOrganizationId) {
+      this.insteadOfValues.push(
+        `org-${this.settings.workflowOrganizationId}@github.com:`
+      )
+    }
   }
 
   async configureAuth(): Promise<void> {
@@ -75,7 +81,11 @@ class GitAuthHelper {
     await this.configureToken()
   }
 
-  async configureGlobalAuth(): Promise<void> {
+  async configureTempGlobalConfig(): Promise<string> {
+    // Already setup global config
+    if (this.temporaryHomePath?.length > 0) {
+      return path.join(this.temporaryHomePath, '.gitconfig')
+    }
     // Create a temp home directory
     const runnerTemp = process.env['RUNNER_TEMP'] || ''
     assert.ok(runnerTemp, 'RUNNER_TEMP is not defined')
@@ -94,7 +104,7 @@ class GitAuthHelper {
       await fs.promises.stat(gitConfigPath)
       configExists = true
     } catch (err) {
-      if (err.code !== 'ENOENT') {
+      if ((err as any)?.code !== 'ENOENT') {
         throw err
       }
     }
@@ -105,20 +115,28 @@ class GitAuthHelper {
       await fs.promises.writeFile(newGitConfigPath, '')
     }
 
-    try {
-      // Override HOME
-      core.info(
-        `Temporarily overriding HOME='${this.temporaryHomePath}' before making global git config changes`
-      )
-      this.git.setEnvironmentVariable('HOME', this.temporaryHomePath)
+    // Override HOME
+    core.info(
+      `Temporarily overriding HOME='${this.temporaryHomePath}' before making global git config changes`
+    )
+    this.git.setEnvironmentVariable('HOME', this.temporaryHomePath)
 
+    return newGitConfigPath
+  }
+
+  async configureGlobalAuth(): Promise<void> {
+    // 'configureTempGlobalConfig' noops if already set, just returns the path
+    const newGitConfigPath = await this.configureTempGlobalConfig()
+    try {
       // Configure the token
       await this.configureToken(newGitConfigPath, true)
 
       // Configure HTTPS instead of SSH
       await this.git.tryConfigUnset(this.insteadOfKey, true)
       if (!this.settings.sshKey) {
-        await this.git.config(this.insteadOfKey, this.insteadOfValue, true)
+        for (const insteadOfValue of this.insteadOfValues) {
+          await this.git.config(this.insteadOfKey, insteadOfValue, true, true)
+        }
       }
     } catch (err) {
       // Unset in case somehow written to the real global config
@@ -148,7 +166,7 @@ class GitAuthHelper {
         output.match(/(?<=(^|\n)file:)[^\t]+(?=\tremote\.origin\.url)/g) || []
       for (const configPath of configPaths) {
         core.debug(`Replacing token placeholder in '${configPath}'`)
-        this.replaceTokenPlaceholder(configPath)
+        await this.replaceTokenPlaceholder(configPath)
       }
 
       if (this.settings.sshKey) {
@@ -159,10 +177,12 @@ class GitAuthHelper {
         )
       } else {
         // Configure HTTPS instead of SSH
-        await this.git.submoduleForeach(
-          `git config --local '${this.insteadOfKey}' '${this.insteadOfValue}'`,
-          this.settings.nestedSubmodules
-        )
+        for (const insteadOfValue of this.insteadOfValues) {
+          await this.git.submoduleForeach(
+            `git config --local --add '${this.insteadOfKey}' '${insteadOfValue}'`,
+            this.settings.nestedSubmodules
+          )
+        }
       }
     }
   }
@@ -172,10 +192,12 @@ class GitAuthHelper {
     await this.removeToken()
   }
 
-  async removeGlobalAuth(): Promise<void> {
-    core.debug(`Unsetting HOME override`)
-    this.git.removeEnvironmentVariable('HOME')
-    await io.rmRF(this.temporaryHomePath)
+  async removeGlobalConfig(): Promise<void> {
+    if (this.temporaryHomePath?.length > 0) {
+      core.debug(`Unsetting HOME override`)
+      this.git.removeEnvironmentVariable('HOME')
+      await io.rmRF(this.temporaryHomePath)
+    }
   }
 
   private async configureSsh(): Promise<void> {
@@ -213,7 +235,7 @@ class GitAuthHelper {
         await fs.promises.readFile(userKnownHostsPath)
       ).toString()
     } catch (err) {
-      if (err.code !== 'ENOENT') {
+      if ((err as any)?.code !== 'ENOENT') {
         throw err
       }
     }
@@ -302,7 +324,7 @@ class GitAuthHelper {
       try {
         await io.rmRF(keyPath)
       } catch (err) {
-        core.debug(err.message)
+        core.debug(`${(err as any)?.message ?? err}`)
         core.warning(`Failed to remove SSH key '${keyPath}'`)
       }
     }

src/git-command-manager.ts

@@ -21,16 +21,18 @@ export interface IGitCommandManager {
   config(
     configKey: string,
     configValue: string,
-    globalConfig?: boolean
+    globalConfig?: boolean,
+    add?: boolean
   ): Promise<void>
   configExists(configKey: string, globalConfig?: boolean): Promise<boolean>
   fetch(refSpec: string[], fetchDepth?: number): Promise<void>
+  getDefaultBranch(repositoryUrl: string): Promise<string>
   getWorkingDirectory(): string
   init(): Promise<void>
   isDetached(): Promise<boolean>
   lfsFetch(ref: string): Promise<void>
   lfsInstall(): Promise<void>
-  log1(): Promise<string>
+  log1(format?: string): Promise<string>
   remoteAdd(remoteName: string, remoteUrl: string): Promise<void>
   removeEnvironmentVariable(name: string): void
   revParse(ref: string): Promise<string>
@@ -139,14 +141,15 @@ class GitCommandManager {
   async config(
     configKey: string,
     configValue: string,
-    globalConfig?: boolean
+    globalConfig?: boolean,
+    add?: boolean
   ): Promise<void> {
-    await this.execGit([
-      'config',
-      globalConfig ? '--global' : '--local',
-      configKey,
-      configValue
-    ])
+    const args: string[] = ['config', globalConfig ? '--global' : '--local']
+    if (add) {
+      args.push('--add')
+    }
+    args.push(...[configKey, configValue])
+    await this.execGit(args)
   }
 
   async configExists(
@@ -195,6 +198,34 @@ class GitCommandManager {
     })
   }
 
+  async getDefaultBranch(repositoryUrl: string): Promise<string> {
+    let output: GitOutput | undefined
+    await retryHelper.execute(async () => {
+      output = await this.execGit([
+        'ls-remote',
+        '--quiet',
+        '--exit-code',
+        '--symref',
+        repositoryUrl,
+        'HEAD'
+      ])
+    })
+
+    if (output) {
+      // Satisfy compiler, will always be set
+      for (let line of output.stdout.trim().split('\n')) {
+        line = line.trim()
+        if (line.startsWith('ref:') || line.endsWith('HEAD')) {
+          return line
+            .substr('ref:'.length, line.length - 'ref:'.length - 'HEAD'.length)
+            .trim()
+        }
+      }
+    }
+
+    throw new Error('Unexpected output when retrieving default branch')
+  }
+
   getWorkingDirectory(): string {
     return this.workingDirectory
   }
@@ -225,8 +256,10 @@ class GitCommandManager {
     await this.execGit(['lfs', 'install', '--local'])
   }
 
-  async log1(): Promise<string> {
-    const output = await this.execGit(['log', '-1'])
+  async log1(format?: string): Promise<string> {
+    var args = format ? ['log', '-1', format] : ['log', '-1']
+    var silent = format ? false : true
+    const output = await this.execGit(args, false, silent)
     return output.stdout
   }
 
@@ -241,7 +274,7 @@ class GitCommandManager {
   /**
    * Resolves a ref to a SHA. For a branch or lightweight tag, the commit SHA is returned.
    * For an annotated tag, the tag SHA is returned.
-   * @param {string} ref  For example: 'refs/heads/master' or '/refs/tags/v1'
+   * @param {string} ref  For example: 'refs/heads/main' or '/refs/tags/v1'
    * @returns {Promise<string>}
    */
   async revParse(ref: string): Promise<string> {
@@ -361,7 +394,8 @@ class GitCommandManager {
 
   private async execGit(
     args: string[],
-    allowAllExitCodes = false
+    allowAllExitCodes = false,
+    silent = false
   ): Promise<GitOutput> {
     fshelper.directoryExistsSync(this.workingDirectory, true)
 
@@ -380,6 +414,7 @@ class GitCommandManager {
     const options = {
       cwd: this.workingDirectory,
       env,
+      silent,
       ignoreReturnCode: allowAllExitCodes,
       listeners: {
         stdout: (data: Buffer) => {

src/git-directory-helper.ts

@@ -39,7 +39,9 @@ export async function prepareExistingDirectory(
       try {
         await io.rmRF(lockPath)
       } catch (error) {
-        core.debug(`Unable to delete '${lockPath}'. ${error.message}`)
+        core.debug(
+          `Unable to delete '${lockPath}'. ${(error as any)?.message ?? error}`
+        )
       }
     }
 

src/git-source-provider.ts

@@ -19,17 +19,6 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
   )
   const repositoryUrl = urlHelper.getFetchUrl(settings)
 
-  // Determine the default branch
-  if (!settings.ref && !settings.commit) {
-    core.startGroup('Determining the default branch')
-    settings.ref = await githubApiHelper.getDefaultBranch(
-      settings.authToken,
-      settings.repositoryOwner,
-      settings.repositoryName
-    )
-    core.endGroup()
-  }
-
   // Remove conflicting file path
   if (fsHelper.fileExistsSync(settings.repositoryPath)) {
     await io.rmRF(settings.repositoryPath)
@@ -47,73 +36,116 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
   const git = await getGitCommandManager(settings)
   core.endGroup()
 
-  // Prepare existing directory, otherwise recreate
-  if (isExisting) {
-    await gitDirectoryHelper.prepareExistingDirectory(
-      git,
-      settings.repositoryPath,
-      repositoryUrl,
-      settings.clean,
-      settings.ref
-    )
-  }
+  let authHelper: gitAuthHelper.IGitAuthHelper | null = null
+  try {
+    if (git) {
+      authHelper = gitAuthHelper.createAuthHelper(git, settings)
+      if (settings.setSafeDirectory) {
+        // Setup the repository path as a safe directory, so if we pass this into a container job with a different user it doesn't fail
+        // Otherwise all git commands we run in a container fail
+        await authHelper.configureTempGlobalConfig()
+        core.info(
+          `Adding repository directory to the temporary git global config as a safe directory`
+        )
 
-  if (!git) {
-    // Downloading using REST API
-    core.info(`The repository will be downloaded using the GitHub REST API`)
-    core.info(
-      `To create a local Git repository instead, add Git ${gitCommandManager.MinimumGitVersion} or higher to the PATH`
-    )
-    if (settings.submodules) {
-      throw new Error(
-        `Input 'submodules' not supported when falling back to download using the GitHub REST API. To create a local Git repository instead, add Git ${gitCommandManager.MinimumGitVersion} or higher to the PATH.`
-      )
-    } else if (settings.sshKey) {
-      throw new Error(
-        `Input 'ssh-key' not supported when falling back to download using the GitHub REST API. To create a local Git repository instead, add Git ${gitCommandManager.MinimumGitVersion} or higher to the PATH.`
+        await git
+          .config('safe.directory', settings.repositoryPath, true, true)
+          .catch(error => {
+            core.info(
+              `Failed to initialize safe directory with error: ${error}`
+            )
+          })
+
+        stateHelper.setSafeDirectory()
+      }
+    }
+
+    // Prepare existing directory, otherwise recreate
+    if (isExisting) {
+      await gitDirectoryHelper.prepareExistingDirectory(
+        git,
+        settings.repositoryPath,
+        repositoryUrl,
+        settings.clean,
+        settings.ref
       )
     }
 
-    await githubApiHelper.downloadRepository(
-      settings.authToken,
-      settings.repositoryOwner,
-      settings.repositoryName,
-      settings.ref,
-      settings.commit,
-      settings.repositoryPath
-    )
-    return
-  }
+    if (!git) {
+      // Downloading using REST API
+      core.info(`The repository will be downloaded using the GitHub REST API`)
+      core.info(
+        `To create a local Git repository instead, add Git ${gitCommandManager.MinimumGitVersion} or higher to the PATH`
+      )
+      if (settings.submodules) {
+        throw new Error(
+          `Input 'submodules' not supported when falling back to download using the GitHub REST API. To create a local Git repository instead, add Git ${gitCommandManager.MinimumGitVersion} or higher to the PATH.`
+        )
+      } else if (settings.sshKey) {
+        throw new Error(
+          `Input 'ssh-key' not supported when falling back to download using the GitHub REST API. To create a local Git repository instead, add Git ${gitCommandManager.MinimumGitVersion} or higher to the PATH.`
+        )
+      }
 
-  // Save state for POST action
-  stateHelper.setRepositoryPath(settings.repositoryPath)
+      await githubApiHelper.downloadRepository(
+        settings.authToken,
+        settings.repositoryOwner,
+        settings.repositoryName,
+        settings.ref,
+        settings.commit,
+        settings.repositoryPath,
+        settings.githubServerUrl
+      )
+      return
+    }
 
-  // Initialize the repository
-  if (
-    !fsHelper.directoryExistsSync(path.join(settings.repositoryPath, '.git'))
-  ) {
-    core.startGroup('Initializing the repository')
-    await git.init()
-    await git.remoteAdd('origin', repositoryUrl)
+    // Save state for POST action
+    stateHelper.setRepositoryPath(settings.repositoryPath)
+
+    // Initialize the repository
+    if (
+      !fsHelper.directoryExistsSync(path.join(settings.repositoryPath, '.git'))
+    ) {
+      core.startGroup('Initializing the repository')
+      await git.init()
+      await git.remoteAdd('origin', repositoryUrl)
+      core.endGroup()
+    }
+
+    // Disable automatic garbage collection
+    core.startGroup('Disabling automatic garbage collection')
+    if (!(await git.tryDisableAutomaticGarbageCollection())) {
+      core.warning(
+        `Unable to turn off git automatic garbage collection. The git fetch operation may trigger garbage collection and cause a delay.`
+      )
+    }
     core.endGroup()
-  }
 
-  // Disable automatic garbage collection
-  core.startGroup('Disabling automatic garbage collection')
-  if (!(await git.tryDisableAutomaticGarbageCollection())) {
-    core.warning(
-      `Unable to turn off git automatic garbage collection. The git fetch operation may trigger garbage collection and cause a delay.`
-    )
-  }
-  core.endGroup()
-
-  const authHelper = gitAuthHelper.createAuthHelper(git, settings)
-  try {
+    // If we didn't initialize it above, do it now
+    if (!authHelper) {
+      authHelper = gitAuthHelper.createAuthHelper(git, settings)
+    }
     // Configure auth
     core.startGroup('Setting up auth')
     await authHelper.configureAuth()
     core.endGroup()
 
+    // Determine the default branch
+    if (!settings.ref && !settings.commit) {
+      core.startGroup('Determining the default branch')
+      if (settings.sshKey) {
+        settings.ref = await git.getDefaultBranch(repositoryUrl)
+      } else {
+        settings.ref = await githubApiHelper.getDefaultBranch(
+          settings.authToken,
+          settings.repositoryOwner,
+          settings.repositoryName,
+          settings.githubServerUrl
+        )
+      }
+      core.endGroup()
+    }
+
     // LFS install
     if (settings.lfs) {
       await git.lfsInstall()
@@ -166,40 +198,35 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
 
     // Submodules
     if (settings.submodules) {
-      try {
-        // Temporarily override global config
-        core.startGroup('Setting up auth for fetching submodules')
-        await authHelper.configureGlobalAuth()
-        core.endGroup()
+      // Temporarily override global config
+      core.startGroup('Setting up auth for fetching submodules')
+      await authHelper.configureGlobalAuth()
+      core.endGroup()
 
-        // Checkout submodules
-        core.startGroup('Fetching submodules')
-        await git.submoduleSync(settings.nestedSubmodules)
-        await git.submoduleUpdate(
-          settings.fetchDepth,
-          settings.nestedSubmodules
-        )
-        await git.submoduleForeach(
-          'git config --local gc.auto 0',
-          settings.nestedSubmodules
-        )
-        core.endGroup()
+      // Checkout submodules
+      core.startGroup('Fetching submodules')
+      await git.submoduleSync(settings.nestedSubmodules)
+      await git.submoduleUpdate(settings.fetchDepth, settings.nestedSubmodules)
+      await git.submoduleForeach(
+        'git config --local gc.auto 0',
+        settings.nestedSubmodules
+      )
+      core.endGroup()
 
-        // Persist credentials
-        if (settings.persistCredentials) {
-          core.startGroup('Persisting credentials for submodules')
-          await authHelper.configureSubmoduleAuth()
-          core.endGroup()
-        }
-      } finally {
-        // Remove temporary global config override
-        await authHelper.removeGlobalAuth()
+      // Persist credentials
+      if (settings.persistCredentials) {
+        core.startGroup('Persisting credentials for submodules')
+        await authHelper.configureSubmoduleAuth()
+        core.endGroup()
       }
     }
 
-    // Dump some info about the checked out commit
+    // Get commit information
     const commitInfo = await git.log1()
 
+    // Log commit sha
+    await git.log1("--format='%H'")
+
     // Check for incorrect pull request merge commit
     await refHelper.checkCommitInfo(
       settings.authToken,
@@ -207,14 +234,18 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
       settings.repositoryOwner,
       settings.repositoryName,
       settings.ref,
-      settings.commit
+      settings.commit,
+      settings.githubServerUrl
     )
   } finally {
     // Remove auth
-    if (!settings.persistCredentials) {
-      core.startGroup('Removing auth')
-      await authHelper.removeAuth()
-      core.endGroup()
+    if (authHelper) {
+      if (!settings.persistCredentials) {
+        core.startGroup('Removing auth')
+        await authHelper.removeAuth()
+        core.endGroup()
+      }
+      authHelper.removeGlobalConfig()
     }
   }
 }
@@ -237,7 +268,26 @@ export async function cleanup(repositoryPath: string): Promise<void> {
 
   // Remove auth
   const authHelper = gitAuthHelper.createAuthHelper(git)
-  await authHelper.removeAuth()
+  try {
+    if (stateHelper.PostSetSafeDirectory) {
+      // Setup the repository path as a safe directory, so if we pass this into a container job with a different user it doesn't fail
+      // Otherwise all git commands we run in a container fail
+      await authHelper.configureTempGlobalConfig()
+      core.info(
+        `Adding repository directory to the temporary git global config as a safe directory`
+      )
+
+      await git
+        .config('safe.directory', repositoryPath, true, true)
+        .catch(error => {
+          core.info(`Failed to initialize safe directory with error: ${error}`)
+        })
+    }
+
+    await authHelper.removeAuth()
+  } finally {
+    await authHelper.removeGlobalConfig()
+  }
 }
 
 async function getGitCommandManager(