.

CHANGELOG.md

@@ -1,40 +1,5 @@
 # Changelog
 
-## 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)
-
-## v2.2.0
-
-- [Fetch all history for all tags and branches when fetch-depth=0](https://github.com/actions/checkout/pull/258)
-
-## v2.1.1
-
-- Changes to support GHES ([here](https://github.com/actions/checkout/pull/236) and [here](https://github.com/actions/checkout/pull/248))
-
-## v2.1.0
-
-- [Group output](https://github.com/actions/checkout/pull/191)
-- [Changes to support GHES alpha release](https://github.com/actions/checkout/pull/199)
-- [Persist core.sshCommand for submodules](https://github.com/actions/checkout/pull/184)
-- [Add support ssh](https://github.com/actions/checkout/pull/163)
-- [Convert submodule SSH URL to HTTPS, when not using SSH](https://github.com/actions/checkout/pull/179)
-- [Add submodule support](https://github.com/actions/checkout/pull/157)
-- [Follow proxy settings](https://github.com/actions/checkout/pull/144)
-- [Fix ref for pr closed event when a pr is merged](https://github.com/actions/checkout/pull/141)
-- [Fix issue checking detached when git less than 2.22](https://github.com/actions/checkout/pull/128)
-
-## v2.0.0
-
-- [Do not pass cred on command line](https://github.com/actions/checkout/pull/108)
-- [Add input persist-credentials](https://github.com/actions/checkout/pull/107)
-- [Fallback to REST API to download repo](https://github.com/actions/checkout/pull/104)
-
 ## v2 (beta)
 
 - Improved fetch performance

README.md

@@ -6,7 +6,7 @@
 
 This action checks-out your repository under `$GITHUB_WORKSPACE`, so your workflow can access it.
 
-Only a single commit is fetched by default, for the ref/SHA that triggered the workflow. Set `fetch-depth: 0` to fetch all history for all branches and tags. Refer [here](https://help.github.com/en/articles/events-that-trigger-workflows) to learn which commit `$GITHUB_SHA` points to for different events.
+Only a single commit is fetched by default, for the ref/SHA that triggered the workflow. Set `fetch-depth` to fetch more history. Refer [here](https://help.github.com/en/articles/events-that-trigger-workflows) to learn which commit `$GITHUB_SHA` points to for different events.
 
 The auth token is persisted in the local git config. This enables your scripts to run authenticated git commands. The token is removed during post-job cleanup. Set `persist-credentials: false` to opt-out.
 
@@ -18,7 +18,6 @@ When Git 2.18 or higher is not in your PATH, falls back to the REST API to downl
   - 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
@@ -27,6 +26,7 @@ When Git 2.18 or higher is not in your PATH, falls back to the REST API to downl
 - 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
+- Removed input `submodules`
 
 Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous versions.
 
@@ -42,7 +42,7 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
 
     # 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, uses the default branch.
+    # Otherwise, defaults to `master`.
     ref: ''
 
     # Personal access token (PAT) used to fetch the repository. The PAT is configured
@@ -89,7 +89,7 @@ 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 for all branches and tags.
+    # Number of commits to fetch. 0 indicates all history.
     # Default: 1
     fetch-depth: ''
 
@@ -110,7 +110,6 @@ Refer [here](https://github.com/actions/checkout/blob/v1/README.md) for previous
 
 # Scenarios
 
-- [Fetch all history for all tags and branches](#Fetch-all-history-for-all-tags-and-branches)
 - [Checkout a different branch](#Checkout-a-different-branch)
 - [Checkout HEAD^](#Checkout-HEAD)
 - [Checkout multiple repos (side by side)](#Checkout-multiple-repos-side-by-side)
@@ -118,14 +117,10 @@ 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)
-
+- [Checkout submodules](#Checkout-submodules)
-## Fetch all history for all tags and branches
+- [Fetch all tags](#Fetch-all-tags)
-
+- [Fetch all branches](#Fetch-all-branches)
-```yaml
+- [Fetch all history for all tags and branches](#Fetch-all-history-for-all-tags-and-branches)
-- uses: actions/checkout@v2
-  with:
-    fetch-depth: 0
-```
 
 ## Checkout a different branch
 
@@ -213,6 +208,43 @@ jobs:
       - uses: actions/checkout@v2
 ```
 
+## Checkout submodules
+
+```yaml
+- uses: actions/checkout@v2
+- name: Checkout submodules
+  shell: bash
+  run: |
+    # If your submodules are configured to use SSH instead of HTTPS please uncomment the following line
+    # git config --global url."https://github.com/".insteadOf "git@github.com:"
+    auth_header="$(git config --local --get http.https://github.com/.extraheader)"
+    git submodule sync --recursive
+    git -c "http.extraheader=$auth_header" -c protocol.version=2 submodule update --init --force --recursive --depth=1
+```
+
+## Fetch all tags
+
+```yaml
+- uses: actions/checkout@v2
+- run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+```
+
+## Fetch all branches
+
+```yaml
+- uses: actions/checkout@v2
+- run: |
+    git fetch --no-tags --prune --depth=1 origin +refs/heads/*:refs/remotes/origin/*
+```
+
+## Fetch all history for all tags and branches
+
+```yaml
+- uses: actions/checkout@v2
+- run: |
+    git fetch --prune --unshallow
+```
+
 # License
 
 The scripts and documentation in this project are released under the [MIT License](LICENSE)

__test__/git-auth-helper.test.ts

@@ -714,7 +714,6 @@ async function setup(testName: string): Promise<void> {
     ),
     env: {},
     fetch: jest.fn(),
-    getDefaultBranch: jest.fn(),
     getWorkingDirectory: jest.fn(() => workspace),
     init: jest.fn(),
     isDetached: jest.fn(),
@@ -723,11 +722,10 @@ async function setup(testName: string): Promise<void> {
     log1: jest.fn(),
     remoteAdd: jest.fn(),
     removeEnvironmentVariable: jest.fn((name: string) => delete git.env[name]),
-    revParse: jest.fn(),
     setEnvironmentVariable: jest.fn((name: string, value: string) => {
       git.env[name] = value
     }),
-    shaExists: jest.fn(),
+    setRemoteUrl: jest.fn(),
     submoduleForeach: jest.fn(async () => {
       return ''
     }),
@@ -751,7 +749,7 @@ async function setup(testName: string): Promise<void> {
       }
     ),
     tryDisableAutomaticGarbageCollection: jest.fn(),
-    tryGetFetchUrl: jest.fn(),
+    tryGetRemoteUrl: jest.fn(),
     tryReset: jest.fn()
   }
 
@@ -760,6 +758,7 @@ async function setup(testName: string): Promise<void> {
     clean: true,
     commit: '',
     fetchDepth: 1,
+    isWorkflowRepository: true,
     lfs: false,
     submodules: false,
     nestedSubmodules: false,

__test__/git-directory-helper.test.ts

@@ -7,9 +7,9 @@ import {IGitCommandManager} from '../lib/git-command-manager'
 
 const testWorkspace = path.join(__dirname, '_temp', 'git-directory-helper')
 let repositoryPath: string
-let repositoryUrl: string
+let httpsUrl: string
+let sshUrl: string
 let clean: boolean
-let ref: string
 let git: IGitCommandManager
 
 describe('git-directory-helper tests', () => {
@@ -41,9 +41,9 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
-      clean,
+      [httpsUrl, sshUrl],
-      ref
+      clean
     )
 
     // Assert
@@ -64,9 +64,9 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
-      clean,
+      [httpsUrl, sshUrl],
-      ref
+      clean
     )
 
     // Assert
@@ -90,9 +90,9 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
-      clean,
+      [httpsUrl, sshUrl],
-      ref
+      clean
     )
 
     // Assert
@@ -112,9 +112,9 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
-      clean,
+      [httpsUrl, sshUrl],
-      ref
+      clean
     )
 
     // Assert
@@ -141,9 +141,9 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
-      clean,
+      [httpsUrl, sshUrl],
-      ref
+      clean
     )
 
     // Assert
@@ -161,16 +161,16 @@ describe('git-directory-helper tests', () => {
     await setup(removesContentsWhenDifferentRepositoryUrl)
     clean = false
     await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
-    const differentRepositoryUrl =
+    const differentRemoteUrl =
       'https://github.com/my-different-org/my-different-repo'
 
     // Act
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      differentRepositoryUrl,
+      differentRemoteUrl,
-      clean,
+      [differentRemoteUrl],
-      ref
+      clean
     )
 
     // Assert
@@ -193,9 +193,9 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
-      clean,
+      [httpsUrl, sshUrl],
-      ref
+      clean
     )
 
     // Assert
@@ -219,9 +219,9 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
-      clean,
+      [httpsUrl, sshUrl],
-      ref
+      clean
     )
 
     // Assert
@@ -244,9 +244,9 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       undefined,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
-      clean,
+      [httpsUrl, sshUrl],
-      ref
+      clean
     )
 
     // Assert
@@ -269,9 +269,9 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
-      clean,
+      [httpsUrl, sshUrl],
-      ref
+      clean
     )
 
     // Assert
@@ -300,9 +300,9 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
-      clean,
+      [httpsUrl, sshUrl],
-      ref
+      clean
     )
 
     // Assert
@@ -317,66 +317,54 @@ describe('git-directory-helper tests', () => {
     expect(git.tryReset).not.toHaveBeenCalled()
   })
 
-  const removesAncestorRemoteBranch = 'removes ancestor remote branch'
+  const removesRemoteBranches = 'removes local branches'
-  it(removesAncestorRemoteBranch, async () => {
+  it(removesRemoteBranches, async () => {
     // Arrange
-    await setup(removesAncestorRemoteBranch)
+    await setup(removesRemoteBranches)
     await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
     const mockBranchList = git.branchList as jest.Mock<any, any>
     mockBranchList.mockImplementation(async (remote: boolean) => {
-      return remote ? ['origin/remote-branch-1', 'origin/remote-branch-2'] : []
+      return remote ? ['remote-branch-1', 'remote-branch-2'] : []
     })
-    ref = 'remote-branch-1/conflict'
 
     // Act
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
-      clean,
+      [httpsUrl, sshUrl],
-      ref
+      clean
     )
 
     // Assert
     const files = await fs.promises.readdir(repositoryPath)
     expect(files.sort()).toEqual(['.git', 'my-file'])
-    expect(git.branchDelete).toHaveBeenCalledTimes(1)
+    expect(git.branchDelete).toHaveBeenCalledWith(true, 'remote-branch-1')
-    expect(git.branchDelete).toHaveBeenCalledWith(
+    expect(git.branchDelete).toHaveBeenCalledWith(true, 'remote-branch-2')
-      true,
-      'origin/remote-branch-1'
-    )
   })
 
-  const removesDescendantRemoteBranches = 'removes descendant remote branch'
+  const updatesRemoteUrl = 'updates remote URL'
-  it(removesDescendantRemoteBranches, async () => {
+  it(updatesRemoteUrl, async () => {
     // Arrange
-    await setup(removesDescendantRemoteBranches)
+    await setup(updatesRemoteUrl)
     await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
-    const mockBranchList = git.branchList as jest.Mock<any, any>
-    mockBranchList.mockImplementation(async (remote: boolean) => {
-      return remote
-        ? ['origin/remote-branch-1/conflict', 'origin/remote-branch-2']
-        : []
-    })
-    ref = 'remote-branch-1'
 
     // Act
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      sshUrl,
-      clean,
+      [sshUrl, httpsUrl],
-      ref
+      clean
     )
 
     // Assert
     const files = await fs.promises.readdir(repositoryPath)
     expect(files.sort()).toEqual(['.git', 'my-file'])
-    expect(git.branchDelete).toHaveBeenCalledTimes(1)
+    expect(git.isDetached).toHaveBeenCalled()
-    expect(git.branchDelete).toHaveBeenCalledWith(
+    expect(git.branchList).toHaveBeenCalled()
-      true,
+    expect(core.warning).not.toHaveBeenCalled()
-      'origin/remote-branch-1/conflict'
+    expect(git.setRemoteUrl).toHaveBeenCalledWith(sshUrl)
-    )
   })
 })
 
@@ -387,15 +375,13 @@ async function setup(testName: string): Promise<void> {
   repositoryPath = path.join(testWorkspace, testName)
   await fs.promises.mkdir(path.join(repositoryPath, '.git'), {recursive: true})
 
-  // Repository URL
+  // Remote URLs
-  repositoryUrl = 'https://github.com/my-org/my-repo'
+  httpsUrl = 'https://github.com/my-org/my-repo'
+  sshUrl = 'git@github.com:my-org/my-repo'
 
   // Clean
   clean = true
 
-  // Ref
-  ref = ''
-
   // Git command manager
   git = {
     branchDelete: jest.fn(),
@@ -408,7 +394,6 @@ 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(),
@@ -417,9 +402,8 @@ async function setup(testName: string): Promise<void> {
     log1: jest.fn(),
     remoteAdd: jest.fn(),
     removeEnvironmentVariable: jest.fn(),
-    revParse: jest.fn(),
     setEnvironmentVariable: jest.fn(),
-    shaExists: jest.fn(),
+    setRemoteUrl: jest.fn(),
     submoduleForeach: jest.fn(),
     submoduleSync: jest.fn(),
     submoduleUpdate: jest.fn(),
@@ -429,10 +413,10 @@ async function setup(testName: string): Promise<void> {
     }),
     tryConfigUnset: jest.fn(),
     tryDisableAutomaticGarbageCollection: jest.fn(),
-    tryGetFetchUrl: jest.fn(async () => {
+    tryGetRemoteUrl: jest.fn(async () => {
       // Sanity check - this function shouldn't be called when the .git directory doesn't exist
       await fs.promises.stat(path.join(repositoryPath, '.git'))
-      return repositoryUrl
+      return httpsUrl
     }),
     tryReset: jest.fn(async () => {
       return true

__test__/input-helper.test.ts

@@ -110,6 +110,13 @@ describe('input-helper tests', () => {
     )
   })
 
+  it('sets correct default ref/sha for other repo', () => {
+    inputs.repository = 'some-owner/some-other-repo'
+    const settings: IGitSourceSettings = inputHelper.getInputs()
+    expect(settings.ref).toBe('refs/heads/master')
+    expect(settings.commit).toBeFalsy()
+  })
+
   it('sets ref to empty when explicit sha', () => {
     inputs.ref = '1111111111222222222233333333334444444444'
     const settings: IGitSourceSettings = inputHelper.getInputs()

__test__/verify-no-unstaged-changes.sh

@@ -12,6 +12,6 @@ if [[ "$(git status --porcelain)" != "" ]]; then
     echo ----------------------------------------
     echo Troubleshooting
     echo ----------------------------------------
-    echo "::error::Unstaged changes detected. Locally try running: git clean -ffdx && npm ci && npm run format && npm run build"
+    echo "::error::Unstaged changes detected. Locally try running: git clean -ffdx && npm ci && npm run all"
     exit 1
 fi

action.yml

@@ -8,7 +8,7 @@ inputs:
     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, uses the default branch.
+      event.  Otherwise, defaults to `master`.
   token:
     description: >
       Personal access token (PAT) used to fetch the repository. The PAT is configured
@@ -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 for all branches and tags.'
+    description: 'Number of commits to fetch. 0 indicates all history.'
     default: 1
   lfs:
     description: 'Whether to download Git-LFS files'

adrs/0153-checkout-v2.md

@@ -29,26 +29,14 @@ We want to take this opportunity to make behavioral changes, from v1. This docum
     description: >
       Personal access token (PAT) used to fetch the repository. The PAT is configured
       with the local git config, which enables your scripts to run authenticated git
-      commands. The post-job step removes the PAT.
+      commands. The post-job step removes the PAT. [Learn more about creating and using
-
+      encrypted secrets](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets)
-
-      We recommend using a service account with the least permissions necessary.
-      Also when generating a new PAT, select the least scopes necessary.
-
-
-      [Learn more about creating and using encrypted secrets](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets)
     default: ${{ github.token }}
   ssh-key:
     description: >
-      SSH key used to fetch the repository. The SSH key is configured with the local
+      SSH key used to fetch the repository. SSH key is configured with the local
       git config, which enables your scripts to run authenticated git commands.
-      The post-job step removes the SSH key.
+      The post-job step removes the SSH key. [Learn more about creating and using
-
-
-      We recommend using a service account with the least permissions necessary.
-
-
-      [Learn more about creating and using
       encrypted secrets](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets)
   ssh-known-hosts:
     description: >
@@ -56,10 +44,7 @@ We want to take this opportunity to make behavioral changes, from v1. This docum
       SSH keys for a host may be obtained using the utility `ssh-keyscan`. For example,
       `ssh-keyscan github.com`. The public key for github.com is always implicitly added.
   ssh-strict:
-    description: >
+    description: 'Whether to perform strict host key checking'
-      Whether to perform strict host key checking. When true, adds the options `StrictHostKeyChecking=yes`
-      and `CheckHostIP=no` to the SSH command line. Use the input `ssh-known-hosts` to
-      configure additional hosts.
     default: true
   persist-credentials:
     description: 'Whether to configure the token or SSH key with the local git config'
@@ -70,7 +55,7 @@ We want to take this opportunity to make behavioral changes, from v1. This docum
     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 for all tags and branches.'
+    description: 'Number of commits to fetch. 0 indicates all history.'
     default: 1
   lfs:
     description: 'Whether to download Git-LFS files'
@@ -79,11 +64,7 @@ We want to take this opportunity to make behavioral changes, from v1. This docum
     description: >
       Whether to checkout submodules: `true` to checkout submodules or `recursive` to
       recursively checkout submodules.
-
+    default: 'false'
-
-      When the `ssh-key` input is not provided, SSH URLs beginning with `git@github.com:` are
-      converted to HTTPS.
-    default: false
 ```
 
 Note:

package-lock.json

@@ -15,19 +15,19 @@
       "integrity": "sha512-nvFkxwiicvpzNiCBF4wFBDfnBvi7xp/as7LE1hBxBxKG2L29+gkIPBiLKMVORL+Hg3JNf07AKRfl0V5djoypjQ=="
     },
     "@actions/github": {
-      "version": "2.2.0",
+      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/@actions/github/-/github-2.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/@actions/github/-/github-2.1.0.tgz",
-      "integrity": "sha512-9UAZqn8ywdR70n3GwVle4N8ALosQs4z50N7XMXrSTUVOmVpaBC5kE3TRTT7qQdi3OaQV24mjGuJZsHUmhD+ZXw==",
+      "integrity": "sha512-G4ncMlh4pLLAvNgHUYUtpWQ1zPf/VYqmRH9oshxLabdaOOnp7i1hgSgzr2xne2YUaSND3uqemd3YYTIsm2f/KQ==",
       "requires": {
         "@actions/http-client": "^1.0.3",
         "@octokit/graphql": "^4.3.1",
-        "@octokit/rest": "^16.43.1"
+        "@octokit/rest": "^16.15.0"
       }
     },
     "@actions/http-client": {
-      "version": "1.0.8",
+      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.8.tgz",
+      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.3.tgz",
-      "integrity": "sha512-G4JjJ6f9Hb3Zvejj+ewLLKLf99ZC+9v+yCxoYf9vSyH+WkzPLB2LuUtRMGNkooMqdugGBFStIKXOuvH1W+EctA==",
+      "integrity": "sha512-wFwh1U4adB/Zsk4cc9kVqaBOHoknhp/pJQk+aWTocbAZWpIl4Zx/At83WFRLXvxB+5HVTWOACM6qjULMZfQSfw==",
       "requires": {
         "tunnel": "0.0.6"
       },
@@ -622,23 +622,13 @@
       }
     },
     "@octokit/endpoint": {
-      "version": "6.0.1",
+      "version": "5.5.1",
-      "resolved": "https://registry.npmjs.org/@octokit/endpoint/-/endpoint-6.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/@octokit/endpoint/-/endpoint-5.5.1.tgz",
-      "integrity": "sha512-pOPHaSz57SFT/m3R5P8MUu4wLPszokn5pXcB/pzavLTQf2jbU+6iayTvzaY6/BiotuRS0qyEUkx3QglT4U958A==",
+      "integrity": "sha512-nBFhRUb5YzVTCX/iAK1MgQ4uWo89Gu0TH00qQHoYRCsE12dWcG1OiLd7v2EIo2+tpUKPMOQ62QFy9hy9Vg2ULg==",
       "requires": {
-        "@octokit/types": "^2.11.1",
+        "@octokit/types": "^2.0.0",
         "is-plain-object": "^3.0.0",
-        "universal-user-agent": "^5.0.0"
+        "universal-user-agent": "^4.0.0"
-      },
-      "dependencies": {
-        "universal-user-agent": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-5.0.0.tgz",
-          "integrity": "sha512-B5TPtzZleXyPrUMKCpEHFmVhMN6EhmJYjG5PQna9s7mXeSqGTLap4OpqLl5FCEFUI3UBmllkETwKf/db66Y54Q==",
-          "requires": {
-            "os-name": "^3.1.0"
-          }
-        }
       }
     },
     "@octokit/graphql": {
@@ -651,57 +641,25 @@
         "universal-user-agent": "^4.0.0"
       }
     },
-    "@octokit/plugin-paginate-rest": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/@octokit/plugin-paginate-rest/-/plugin-paginate-rest-1.1.2.tgz",
-      "integrity": "sha512-jbsSoi5Q1pj63sC16XIUboklNw+8tL9VOnJsWycWYR78TKss5PVpIPb1TUUcMQ+bBh7cY579cVAWmf5qG+dw+Q==",
-      "requires": {
-        "@octokit/types": "^2.0.1"
-      }
-    },
-    "@octokit/plugin-request-log": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@octokit/plugin-request-log/-/plugin-request-log-1.0.0.tgz",
-      "integrity": "sha512-ywoxP68aOT3zHCLgWZgwUJatiENeHE7xJzYjfz8WI0goynp96wETBF+d95b8g/uL4QmS6owPVlaxiz3wyMAzcw=="
-    },
-    "@octokit/plugin-rest-endpoint-methods": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/@octokit/plugin-rest-endpoint-methods/-/plugin-rest-endpoint-methods-2.4.0.tgz",
-      "integrity": "sha512-EZi/AWhtkdfAYi01obpX0DF7U6b1VRr30QNQ5xSFPITMdLSfhcBqjamE3F+sKcxPbD7eZuMHu3Qkk2V+JGxBDQ==",
-      "requires": {
-        "@octokit/types": "^2.0.1",
-        "deprecation": "^2.3.1"
-      }
-    },
     "@octokit/request": {
-      "version": "5.4.2",
+      "version": "5.3.1",
-      "resolved": "https://registry.npmjs.org/@octokit/request/-/request-5.4.2.tgz",
+      "resolved": "https://registry.npmjs.org/@octokit/request/-/request-5.3.1.tgz",
-      "integrity": "sha512-zKdnGuQ2TQ2vFk9VU8awFT4+EYf92Z/v3OlzRaSh4RIP0H6cvW1BFPXq4XYvNez+TPQjqN+0uSkCYnMFFhcFrw==",
+      "integrity": "sha512-5/X0AL1ZgoU32fAepTfEoggFinO3rxsMLtzhlUX+RctLrusn/CApJuGFCd0v7GMFhF+8UiCsTTfsu7Fh1HnEJg==",
       "requires": {
-        "@octokit/endpoint": "^6.0.1",
+        "@octokit/endpoint": "^5.5.0",
-        "@octokit/request-error": "^2.0.0",
+        "@octokit/request-error": "^1.0.1",
-        "@octokit/types": "^2.11.1",
+        "@octokit/types": "^2.0.0",
         "deprecation": "^2.0.0",
         "is-plain-object": "^3.0.0",
         "node-fetch": "^2.3.0",
         "once": "^1.4.0",
-        "universal-user-agent": "^5.0.0"
+        "universal-user-agent": "^4.0.0"
-      },
-      "dependencies": {
-        "universal-user-agent": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-5.0.0.tgz",
-          "integrity": "sha512-B5TPtzZleXyPrUMKCpEHFmVhMN6EhmJYjG5PQna9s7mXeSqGTLap4OpqLl5FCEFUI3UBmllkETwKf/db66Y54Q==",
-          "requires": {
-            "os-name": "^3.1.0"
-          }
-        }
       }
     },
     "@octokit/request-error": {
-      "version": "2.0.0",
+      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@octokit/request-error/-/request-error-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/@octokit/request-error/-/request-error-1.2.0.tgz",
-      "integrity": "sha512-rtYicB4Absc60rUv74Rjpzek84UbVHGHJRu4fNVlZ1mCcyUPPuzFfG9Rn6sjHrd95DEsmjSt1Axlc699ZlbDkw==",
+      "integrity": "sha512-DNBhROBYjjV/I9n7A8kVkmQNkqFAMem90dSxqvPq57e2hBr7mNTX98y3R2zDpqMQHVRpBDjsvsfIGgBzy+4PAg==",
       "requires": {
         "@octokit/types": "^2.0.0",
         "deprecation": "^2.0.0",
@@ -709,14 +667,11 @@
       }
     },
     "@octokit/rest": {
-      "version": "16.43.1",
+      "version": "16.38.1",
-      "resolved": "https://registry.npmjs.org/@octokit/rest/-/rest-16.43.1.tgz",
+      "resolved": "https://registry.npmjs.org/@octokit/rest/-/rest-16.38.1.tgz",
-      "integrity": "sha512-gfFKwRT/wFxq5qlNjnW2dh+qh74XgTQ2B179UX5K1HYCluioWj8Ndbgqw2PVqa1NnVJkGHp2ovMpVn/DImlmkw==",
+      "integrity": "sha512-zyNFx+/Bd1EXt7LQjfrc6H4wryBQ/oDuZeZhGMBSFr1eMPFDmpEweFQR3R25zjKwBQpDY7L5GQO6A3XSaOfV1w==",
       "requires": {
         "@octokit/auth-token": "^2.4.0",
-        "@octokit/plugin-paginate-rest": "^1.1.1",
-        "@octokit/plugin-request-log": "^1.0.0",
-        "@octokit/plugin-rest-endpoint-methods": "2.4.0",
         "@octokit/request": "^5.2.0",
         "@octokit/request-error": "^1.0.2",
         "atob-lite": "^2.0.0",
@@ -729,24 +684,12 @@
         "octokit-pagination-methods": "^1.1.0",
         "once": "^1.4.0",
         "universal-user-agent": "^4.0.0"
-      },
-      "dependencies": {
-        "@octokit/request-error": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/@octokit/request-error/-/request-error-1.2.1.tgz",
-          "integrity": "sha512-+6yDyk1EES6WK+l3viRDElw96MvwfJxCt45GvmjDUKWjYIb3PJZQkq3i46TwGwoPD4h8NmTrENmtyA1FwbmhRA==",
-          "requires": {
-            "@octokit/types": "^2.0.0",
-            "deprecation": "^2.0.0",
-            "once": "^1.4.0"
-          }
-        }
       }
     },
     "@octokit/types": {
-      "version": "2.14.0",
+      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/@octokit/types/-/types-2.14.0.tgz",
+      "resolved": "https://registry.npmjs.org/@octokit/types/-/types-2.1.1.tgz",
-      "integrity": "sha512-1w2wxpN45rEXPDFeB7rGain7wcJ/aTRg8bdILITVnS0O7a4zEGELa3JmIe+jeLdekQjvZRbVfNPqS+mi5fKCKQ==",
+      "integrity": "sha512-89LOYH+d/vsbDX785NOfLxTW88GjNd0lWRz1DVPVsZgg9Yett5O+3MOvwo7iHgvUwbFz0mf/yPIjBkUbs4kxoQ==",
       "requires": {
         "@types/node": ">= 8"
       }
@@ -6777,9 +6720,9 @@
       }
     },
     "universal-user-agent": {
-      "version": "4.0.1",
+      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-4.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-4.0.0.tgz",
-      "integrity": "sha512-LnST3ebHwVL2aNe4mejI9IQh2HfZ1RLo8Io2HugSif8ekzD1TlWpHpColOB/eh8JHMLkGH3Akqf040I+4ylNxg==",
+      "integrity": "sha512-eM8knLpev67iBDizr/YtqkJsF3GK8gzDc6st/WKzrTuPtcsOKW/0IdL4cnMBsU69pOx0otavLWBDGTwg+dB0aA==",
       "requires": {
         "os-name": "^3.1.0"
       }
@@ -6958,9 +6901,9 @@
       "dev": true
     },
     "windows-release": {
-      "version": "3.3.0",
+      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/windows-release/-/windows-release-3.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/windows-release/-/windows-release-3.2.0.tgz",
-      "integrity": "sha512-2HetyTg1Y+R+rUgrKeUEhAG/ZuOmTrI1NBb3ZyAGQMYmOJjBBPe4MTodghRkmLJZHwkuPi02anbeGP+Zf401LQ==",
+      "integrity": "sha512-QTlz2hKLrdqukrsapKsINzqMgOUpQW268eJ0OaOpJN32h272waxR9fkB9VoWRtK7uKHG5EHJcTXQBD8XZVJkFA==",
       "requires": {
         "execa": "^1.0.0"
       }

package.json

@@ -5,8 +5,8 @@
   "main": "lib/main.js",
   "scripts": {
     "build": "tsc && ncc build && node lib/misc/generate-docs.js",
-    "format": "prettier --write '**/*.ts'",
+    "format": "prettier --write **/*.ts",
-    "format-check": "prettier --check '**/*.ts'",
+    "format-check": "prettier --check **/*.ts",
     "lint": "eslint src/**/*.ts",
     "test": "jest"
   },
@@ -28,7 +28,7 @@
   "dependencies": {
     "@actions/core": "^1.1.3",
     "@actions/exec": "^1.0.1",
-    "@actions/github": "^2.2.0",
+    "@actions/github": "^2.0.2",
     "@actions/io": "^1.0.1",
     "@actions/tool-cache": "^1.1.2",
     "uuid": "^3.3.3"

src/git-auth-helper.ts

@@ -7,12 +7,12 @@ import * as os from 'os'
 import * as path from 'path'
 import * as regexpHelper from './regexp-helper'
 import * as stateHelper from './state-helper'
-import * as urlHelper from './url-helper'
 import {default as uuid} from 'uuid/v4'
 import {IGitCommandManager} from './git-command-manager'
 import {IGitSourceSettings} from './git-source-settings'
 
 const IS_WINDOWS = process.platform === 'win32'
+const HOSTNAME = 'github.com'
 const SSH_COMMAND_KEY = 'core.sshCommand'
 
 export interface IGitAuthHelper {
@@ -33,15 +33,15 @@ export function createAuthHelper(
 class GitAuthHelper {
   private readonly git: IGitCommandManager
   private readonly settings: IGitSourceSettings
-  private readonly tokenConfigKey: string
+  private readonly tokenConfigKey: string = `http.https://${HOSTNAME}/.extraheader`
-  private readonly tokenConfigValue: string
   private readonly tokenPlaceholderConfigValue: string
-  private readonly insteadOfKey: string
+  private readonly insteadOfKey: string = `url.https://${HOSTNAME}/.insteadOf`
-  private readonly insteadOfValue: string
+  private readonly insteadOfValue: string = `git@${HOSTNAME}:`
   private sshCommand = ''
   private sshKeyPath = ''
   private sshKnownHostsPath = ''
   private temporaryHomePath = ''
+  private tokenConfigValue: string
 
   constructor(
     gitCommandManager: IGitCommandManager,
@@ -51,8 +51,6 @@ class GitAuthHelper {
     this.settings = gitSourceSettings || (({} as unknown) as IGitSourceSettings)
 
     // Token auth header
-    const serverUrl = urlHelper.getServerUrl()
-    this.tokenConfigKey = `http.${serverUrl.origin}/.extraheader` // "origin" is SCHEME://HOSTNAME[:PORT]
     const basicCredential = Buffer.from(
       `x-access-token:${this.settings.authToken}`,
       'utf8'
@@ -60,10 +58,6 @@ class GitAuthHelper {
     core.setSecret(basicCredential)
     this.tokenPlaceholderConfigValue = `AUTHORIZATION: basic ***`
     this.tokenConfigValue = `AUTHORIZATION: basic ${basicCredential}`
-
-    // Instead of SSH URL
-    this.insteadOfKey = `url.${serverUrl.origin}/.insteadOf` // "origin" is SCHEME://HOSTNAME[:PORT]
-    this.insteadOfValue = `git@${serverUrl.hostname}:`
   }
 
   async configureAuth(): Promise<void> {

src/git-command-manager.ts

@@ -3,7 +3,6 @@ import * as exec from '@actions/exec'
 import * as fshelper from './fs-helper'
 import * as io from '@actions/io'
 import * as path from 'path'
-import * as refHelper from './ref-helper'
 import * as regexpHelper from './regexp-helper'
 import * as retryHelper from './retry-helper'
 import {GitVersion} from './git-version'
@@ -24,19 +23,17 @@ export interface IGitCommandManager {
     globalConfig?: boolean
   ): Promise<void>
   configExists(configKey: string, globalConfig?: boolean): Promise<boolean>
-  fetch(refSpec: string[], fetchDepth?: number): Promise<void>
+  fetch(fetchDepth: number, refSpec: string[]): 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(): Promise<void>
   remoteAdd(remoteName: string, remoteUrl: string): Promise<void>
   removeEnvironmentVariable(name: string): void
-  revParse(ref: string): Promise<string>
   setEnvironmentVariable(name: string, value: string): void
-  shaExists(sha: string): Promise<boolean>
+  setRemoteUrl(url: string): Promise<void>
   submoduleForeach(command: string, recursive: boolean): Promise<string>
   submoduleSync(recursive: boolean): Promise<void>
   submoduleUpdate(fetchDepth: number, recursive: boolean): Promise<void>
@@ -44,7 +41,7 @@ export interface IGitCommandManager {
   tryClean(): Promise<boolean>
   tryConfigUnset(configKey: string, globalConfig?: boolean): Promise<boolean>
   tryDisableAutomaticGarbageCollection(): Promise<boolean>
-  tryGetFetchUrl(): Promise<string>
+  tryGetRemoteUrl(): Promise<string>
   tryReset(): Promise<boolean>
 }
 
@@ -168,14 +165,17 @@ class GitCommandManager {
     return output.exitCode === 0
   }
 
-  async fetch(refSpec: string[], fetchDepth?: number): Promise<void> {
+  async fetch(fetchDepth: number, refSpec: string[]): Promise<void> {
-    const args = ['-c', 'protocol.version=2', 'fetch']
+    const args = [
-    if (!refSpec.some(x => x === refHelper.tagsRefSpec)) {
+      '-c',
-      args.push('--no-tags')
+      'protocol.version=2',
-    }
+      'fetch',
-
+      '--no-tags',
-    args.push('--prune', '--progress', '--no-recurse-submodules')
+      '--prune',
-    if (fetchDepth && fetchDepth > 0) {
+      '--progress',
+      '--no-recurse-submodules'
+    ]
+    if (fetchDepth > 0) {
       args.push(`--depth=${fetchDepth}`)
     } else if (
       fshelper.fileExistsSync(
@@ -196,34 +196,6 @@ 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
   }
@@ -254,9 +226,8 @@ class GitCommandManager {
     await this.execGit(['lfs', 'install', '--local'])
   }
 
-  async log1(): Promise<string> {
+  async log1(): Promise<void> {
-    const output = await this.execGit(['log', '-1'])
+    await this.execGit(['log', '-1'])
-    return output.stdout
   }
 
   async remoteAdd(remoteName: string, remoteUrl: string): Promise<void> {
@@ -267,25 +238,12 @@ class GitCommandManager {
     delete this.gitEnv[name]
   }
 
-  /**
-   * 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'
-   * @returns {Promise<string>}
-   */
-  async revParse(ref: string): Promise<string> {
-    const output = await this.execGit(['rev-parse', ref])
-    return output.stdout.trim()
-  }
-
   setEnvironmentVariable(name: string, value: string): void {
     this.gitEnv[name] = value
   }
 
-  async shaExists(sha: string): Promise<boolean> {
+  async setRemoteUrl(value: string): Promise<void> {
-    const args = ['rev-parse', '--verify', '--quiet', `${sha}^{object}`]
+    await this.config('git.remote.url', value)
-    const output = await this.execGit(args, true)
-    return output.exitCode === 0
   }
 
   async submoduleForeach(command: string, recursive: boolean): Promise<string> {
@@ -356,7 +314,7 @@ class GitCommandManager {
     return output.exitCode === 0
   }
 
-  async tryGetFetchUrl(): Promise<string> {
+  async tryGetRemoteUrl(): Promise<string> {
     const output = await this.execGit(
       ['config', '--local', '--get', 'remote.origin.url'],
       true

src/git-directory-helper.ts

@@ -5,20 +5,29 @@ import * as fsHelper from './fs-helper'
 import * as io from '@actions/io'
 import * as path from 'path'
 import {IGitCommandManager} from './git-command-manager'
+import {IGitSourceSettings} from './git-source-settings'
 
 export async function prepareExistingDirectory(
   git: IGitCommandManager | undefined,
   repositoryPath: string,
-  repositoryUrl: string,
+  preferredRemoteUrl: string,
-  clean: boolean,
+  allowedRemoteUrls: string[],
-  ref: string
+  clean: boolean
 ): Promise<void> {
   assert.ok(repositoryPath, 'Expected repositoryPath to be defined')
-  assert.ok(repositoryUrl, 'Expected repositoryUrl to be defined')
+  assert.ok(preferredRemoteUrl, 'Expected preferredRemoteUrl to be defined')
+  assert.ok(allowedRemoteUrls, 'Expected allowedRemoteUrls to be defined')
+  assert.ok(
+    allowedRemoteUrls.length,
+    'Expected allowedRemoteUrls to have at least one value'
+  )
 
   // Indicates whether to delete the directory contents
   let remove = false
 
+  // The remote URL
+  let remoteUrl: string
+
   // Check whether using git or REST API
   if (!git) {
     remove = true
@@ -26,7 +35,7 @@ export async function prepareExistingDirectory(
   // Fetch URL does not match
   else if (
     !fsHelper.directoryExistsSync(path.join(repositoryPath, '.git')) ||
-    repositoryUrl !== (await git.tryGetFetchUrl())
+    allowedRemoteUrls.indexOf((remoteUrl = await git.tryGetRemoteUrl())) < 0
   ) {
     remove = true
   } else {
@@ -56,27 +65,11 @@ export async function prepareExistingDirectory(
         await git.branchDelete(false, branch)
       }
 
-      // Remove any conflicting refs/remotes/origin/*
+      // Remove all refs/remotes/origin/* to avoid conflicts
-      // Example 1: Consider ref is refs/heads/foo and previously fetched refs/remotes/origin/foo/bar
-      // Example 2: Consider ref is refs/heads/foo/bar and previously fetched refs/remotes/origin/foo
-      if (ref) {
-        ref = ref.startsWith('refs/') ? ref : `refs/heads/${ref}`
-        if (ref.startsWith('refs/heads/')) {
-          const upperName1 = ref.toUpperCase().substr('REFS/HEADS/'.length)
-          const upperName1Slash = `${upperName1}/`
       branches = await git.branchList(true)
       for (const branch of branches) {
-            const upperName2 = branch.substr('origin/'.length).toUpperCase()
-            const upperName2Slash = `${upperName2}/`
-            if (
-              upperName1.startsWith(upperName2Slash) ||
-              upperName2.startsWith(upperName1Slash)
-            ) {
         await git.branchDelete(true, branch)
       }
-          }
-        }
-      }
       core.endGroup()
 
       // Clean
@@ -98,6 +91,13 @@ export async function prepareExistingDirectory(
           )
         }
       }
+
+      // Update to the preferred remote URL
+      if (remoteUrl !== preferredRemoteUrl) {
+        core.startGroup('Updating the remote URL')
+        await git.setRemoteUrl(preferredRemoteUrl)
+        core.endGroup()
+      }
     } catch (error) {
       core.warning(
         `Unable to prepare the existing repository. The repository will be recreated instead.`

src/git-source-provider.ts

@@ -8,16 +8,27 @@ import * as io from '@actions/io'
 import * as path from 'path'
 import * as refHelper from './ref-helper'
 import * as stateHelper from './state-helper'
-import * as urlHelper from './url-helper'
 import {IGitCommandManager} from './git-command-manager'
 import {IGitSourceSettings} from './git-source-settings'
 
+const hostname = 'github.com'
+
 export async function getSource(settings: IGitSourceSettings): Promise<void> {
-  // Repository URL
   core.info(
     `Syncing repository: ${settings.repositoryOwner}/${settings.repositoryName}`
   )
-  const repositoryUrl = urlHelper.getFetchUrl(settings)
+
+  // Remote URL
+  const httpsUrl = `https://${hostname}/${encodeURIComponent(
+    settings.repositoryOwner
+  )}/${encodeURIComponent(settings.repositoryName)}`
+  const sshUrl = `git@${hostname}:${encodeURIComponent(
+    settings.repositoryOwner
+  )}/${encodeURIComponent(settings.repositoryName)}.git`
+
+  // Always fetch the workflow repository using the token, not the SSH key
+  const initialRemoteUrl =
+    !settings.sshKey || settings.isWorkflowRepository ? httpsUrl : sshUrl
 
   // Remove conflicting file path
   if (fsHelper.fileExistsSync(settings.repositoryPath)) {
@@ -41,9 +52,9 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       settings.repositoryPath,
-      repositoryUrl,
+      initialRemoteUrl,
-      settings.clean,
+      [httpsUrl, sshUrl],
-      settings.ref
+      settings.clean
     )
   }
 
@@ -83,7 +94,7 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
   ) {
     core.startGroup('Initializing the repository')
     await git.init()
-    await git.remoteAdd('origin', repositoryUrl)
+    await git.remoteAdd('origin', initialRemoteUrl)
     core.endGroup()
   }
 
@@ -103,21 +114,6 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
     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
-        )
-      }
-      core.endGroup()
-    }
-
     // LFS install
     if (settings.lfs) {
       await git.lfsInstall()
@@ -125,24 +121,8 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
 
     // Fetch
     core.startGroup('Fetching the repository')
-    if (settings.fetchDepth <= 0) {
-      // Fetch all branches and tags
-      let refSpec = refHelper.getRefSpecForAllHistory(
-        settings.ref,
-        settings.commit
-      )
-      await git.fetch(refSpec)
-
-      // When all history is fetched, the ref we're interested in may have moved to a different
-      // commit (push or force push). If so, fetch again with a targeted refspec.
-      if (!(await refHelper.testRef(git, settings.ref, settings.commit))) {
-        refSpec = refHelper.getRefSpec(settings.ref, settings.commit)
-        await git.fetch(refSpec)
-      }
-    } else {
     const refSpec = refHelper.getRefSpec(settings.ref, settings.commit)
-      await git.fetch(refSpec, settings.fetchDepth)
+    await git.fetch(settings.fetchDepth, refSpec)
-    }
     core.endGroup()
 
     // Checkout info
@@ -163,6 +143,13 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
       core.endGroup()
     }
 
+    // Fix URL when using SSH
+    if (settings.sshKey && initialRemoteUrl !== sshUrl) {
+      core.startGroup('Updating the remote URL')
+      await git.setRemoteUrl(sshUrl)
+      core.endGroup()
+    }
+
     // Checkout
     core.startGroup('Checking out the ref')
     await git.checkout(checkoutInfo.ref, checkoutInfo.startPoint)
@@ -202,17 +189,7 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
     }
 
     // Dump some info about the checked out commit
-    const commitInfo = await git.log1()
+    await git.log1()
-
-    // Check for incorrect pull request merge commit
-    await refHelper.checkCommitInfo(
-      settings.authToken,
-      commitInfo,
-      settings.repositoryOwner,
-      settings.repositoryName,
-      settings.ref,
-      settings.commit
-    )
   } finally {
     // Remove auth
     if (!settings.persistCredentials) {

src/git-source-settings.ts

@@ -14,6 +14,11 @@ export interface IGitSourceSettings {
    */
   repositoryName: string
 
+  /**
+   * Indicates whether the repository is main workflow repository
+   */
+  isWorkflowRepository: boolean
+
   /**
    * The ref to fetch
    */

src/github-api-helper.ts

@@ -7,7 +7,7 @@ import * as path from 'path'
 import * as retryHelper from './retry-helper'
 import * as toolCache from '@actions/tool-cache'
 import {default as uuid} from 'uuid/v4'
-import {Octokit} from '@octokit/rest'
+import {ReposGetArchiveLinkParams} from '@octokit/rest'
 
 const IS_WINDOWS = process.platform === 'win32'
 
@@ -19,12 +19,6 @@ export async function downloadRepository(
   commit: string,
   repositoryPath: string
 ): Promise<void> {
-  // Determine the default branch
-  if (!ref && !commit) {
-    core.info('Determining the default branch')
-    ref = await getDefaultBranch(authToken, owner, repo)
-  }
-
   // Download the archive
   let archiveData = await retryHelper.execute(async () => {
     core.info('Downloading the archive')
@@ -73,46 +67,6 @@ export async function downloadRepository(
   io.rmRF(extractPath)
 }
 
-/**
- * Looks up the default branch name
- */
-export async function getDefaultBranch(
-  authToken: string,
-  owner: string,
-  repo: string
-): Promise<string> {
-  return await retryHelper.execute(async () => {
-    core.info('Retrieving the default branch name')
-    const octokit = new github.GitHub(authToken)
-    let result: string
-    try {
-      // Get the default branch from the repo info
-      const response = await octokit.repos.get({owner, repo})
-      result = response.data.default_branch
-      assert.ok(result, 'default_branch cannot be empty')
-    } catch (err) {
-      // Handle .wiki repo
-      if (err['status'] === 404 && repo.toUpperCase().endsWith('.WIKI')) {
-        result = 'master'
-      }
-      // Otherwise error
-      else {
-        throw err
-      }
-    }
-
-    // Print the default branch
-    core.info(`Default branch '${result}'`)
-
-    // Prefix with 'refs/heads'
-    if (!result.startsWith('refs/')) {
-      result = `refs/heads/${result}`
-    }
-
-    return result
-  })
-}
-
 async function downloadArchive(
   authToken: string,
   owner: string,
@@ -121,7 +75,7 @@ async function downloadArchive(
   commit: string
 ): Promise<Buffer> {
   const octokit = new github.GitHub(authToken)
-  const params: Octokit.ReposGetArchiveLinkParams = {
+  const params: ReposGetArchiveLinkParams = {
     owner: owner,
     repo: repo,
     archive_format: IS_WINDOWS ? 'zipball' : 'tarball',

src/input-helper.ts

@@ -4,6 +4,8 @@ import * as github from '@actions/github'
 import * as path from 'path'
 import {IGitSourceSettings} from './git-source-settings'
 
+const hostname = 'github.com'
+
 export function getInputs(): IGitSourceSettings {
   const result = ({} as unknown) as IGitSourceSettings
 
@@ -51,14 +53,14 @@ export function getInputs(): IGitSourceSettings {
   }
 
   // Workflow repository?
-  const isWorkflowRepository =
+  result.isWorkflowRepository =
     qualifiedRepository.toUpperCase() ===
     `${github.context.repo.owner}/${github.context.repo.repo}`.toUpperCase()
 
   // Source branch, source version
   result.ref = core.getInput('ref')
   if (!result.ref) {
-    if (isWorkflowRepository) {
+    if (result.isWorkflowRepository) {
       result.ref = github.context.ref
       result.commit = github.context.sha
 
@@ -68,6 +70,10 @@ export function getInputs(): IGitSourceSettings {
         result.ref = `refs/heads/${result.ref}`
       }
     }
+
+    if (!result.ref && !result.commit) {
+      result.ref = 'refs/heads/master'
+    }
   }
   // SHA?
   else if (result.ref.match(/^[0-9a-fA-F]{40}$/)) {
@@ -106,7 +112,7 @@ export function getInputs(): IGitSourceSettings {
   core.debug(`recursive submodules = ${result.nestedSubmodules}`)
 
   // Auth token
-  result.authToken = core.getInput('token', {required: true})
+  result.authToken = core.getInput('token')
 
   // SSH
   result.sshKey = core.getInput('ssh-key')

src/ref-helper.ts

@@ -1,9 +1,4 @@
-import {URL} from 'url'
 import {IGitCommandManager} from './git-command-manager'
-import * as core from '@actions/core'
-import * as github from '@actions/github'
-
-export const tagsRefSpec = '+refs/tags/*:refs/tags/*'
 
 export interface ICheckoutInfo {
   ref: string
@@ -62,16 +57,6 @@ export async function getCheckoutInfo(
   return result
 }
 
-export function getRefSpecForAllHistory(ref: string, commit: string): string[] {
-  const result = ['+refs/heads/*:refs/remotes/origin/*', tagsRefSpec]
-  if (ref && ref.toUpperCase().startsWith('REFS/PULL/')) {
-    const branch = ref.substring('refs/pull/'.length)
-    result.push(`+${commit || ref}:refs/remotes/pull/${branch}`)
-  }
-
-  return result
-}
-
 export function getRefSpec(ref: string, commit: string): string[] {
   if (!ref && !commit) {
     throw new Error('Args ref and commit cannot both be empty')
@@ -122,162 +107,3 @@ export function getRefSpec(ref: string, commit: string): string[] {
     return [`+${ref}:${ref}`]
   }
 }
-
-/**
- * Tests whether the initial fetch created the ref at the expected commit
- */
-export async function testRef(
-  git: IGitCommandManager,
-  ref: string,
-  commit: string
-): Promise<boolean> {
-  if (!git) {
-    throw new Error('Arg git cannot be empty')
-  }
-
-  if (!ref && !commit) {
-    throw new Error('Args ref and commit cannot both be empty')
-  }
-
-  // No SHA? Nothing to test
-  if (!commit) {
-    return true
-  }
-  // SHA only?
-  else if (!ref) {
-    return await git.shaExists(commit)
-  }
-
-  const upperRef = ref.toUpperCase()
-
-  // refs/heads/
-  if (upperRef.startsWith('REFS/HEADS/')) {
-    const branch = ref.substring('refs/heads/'.length)
-    return (
-      (await git.branchExists(true, `origin/${branch}`)) &&
-      commit === (await git.revParse(`refs/remotes/origin/${branch}`))
-    )
-  }
-  // refs/pull/
-  else if (upperRef.startsWith('REFS/PULL/')) {
-    // Assume matches because fetched using the commit
-    return true
-  }
-  // refs/tags/
-  else if (upperRef.startsWith('REFS/TAGS/')) {
-    const tagName = ref.substring('refs/tags/'.length)
-    return (
-      (await git.tagExists(tagName)) && commit === (await git.revParse(ref))
-    )
-  }
-  // Unexpected
-  else {
-    core.debug(`Unexpected ref format '${ref}' when testing ref info`)
-    return true
-  }
-}
-
-export async function checkCommitInfo(
-  token: string,
-  commitInfo: string,
-  repositoryOwner: string,
-  repositoryName: string,
-  ref: string,
-  commit: string
-): Promise<void> {
-  try {
-    // GHES?
-    if (isGhes()) {
-      return
-    }
-
-    // Auth token?
-    if (!token) {
-      return
-    }
-
-    // Public PR synchronize, for workflow repo?
-    if (
-      fromPayload('repository.private') !== false ||
-      github.context.eventName !== 'pull_request' ||
-      fromPayload('action') !== 'synchronize' ||
-      repositoryOwner !== github.context.repo.owner ||
-      repositoryName !== github.context.repo.repo ||
-      ref !== github.context.ref ||
-      !ref.startsWith('refs/pull/') ||
-      commit !== github.context.sha
-    ) {
-      return
-    }
-
-    // Head SHA
-    const expectedHeadSha = fromPayload('after')
-    if (!expectedHeadSha) {
-      core.debug('Unable to determine head sha')
-      return
-    }
-
-    // Base SHA
-    const expectedBaseSha = fromPayload('pull_request.base.sha')
-    if (!expectedBaseSha) {
-      core.debug('Unable to determine base sha')
-      return
-    }
-
-    // Expected message?
-    const expectedMessage = `Merge ${expectedHeadSha} into ${expectedBaseSha}`
-    if (commitInfo.indexOf(expectedMessage) >= 0) {
-      return
-    }
-
-    // Extract details from message
-    const match = commitInfo.match(/Merge ([0-9a-f]{40}) into ([0-9a-f]{40})/)
-    if (!match) {
-      core.debug('Unexpected message format')
-      return
-    }
-
-    // Post telemetry
-    const actualHeadSha = match[1]
-    if (actualHeadSha !== expectedHeadSha) {
-      core.debug(
-        `Expected head sha ${expectedHeadSha}; actual head sha ${actualHeadSha}`
-      )
-      const octokit = new github.GitHub(token, {
-        userAgent: `actions-checkout-tracepoint/1.0 (code=STALE_MERGE;owner=${repositoryOwner};repo=${repositoryName};pr=${fromPayload(
-          'number'
-        )};run_id=${
-          process.env['GITHUB_RUN_ID']
-        };expected_head_sha=${expectedHeadSha};actual_head_sha=${actualHeadSha})`
-      })
-      await octokit.repos.get({owner: repositoryOwner, repo: repositoryName})
-    }
-  } catch (err) {
-    core.debug(`Error when validating commit info: ${err.stack}`)
-  }
-}
-
-function fromPayload(path: string): any {
-  return select(github.context.payload, path)
-}
-
-function select(obj: any, path: string): any {
-  if (!obj) {
-    return undefined
-  }
-
-  const i = path.indexOf('.')
-  if (i < 0) {
-    return obj[path]
-  }
-
-  const key = path.substr(0, i)
-  return select(obj[key], path.substr(i + 1))
-}
-
-function isGhes(): boolean {
-  const ghUrl = new URL(
-    process.env['GITHUB_SERVER_URL'] || 'https://github.com'
-  )
-  return ghUrl.hostname.toUpperCase() !== 'GITHUB.COM'
-}

src/url-helper.ts

@@ -1,29 +0,0 @@
-import * as assert from 'assert'
-import {IGitSourceSettings} from './git-source-settings'
-import {URL} from 'url'
-
-export function getFetchUrl(settings: IGitSourceSettings): string {
-  assert.ok(
-    settings.repositoryOwner,
-    'settings.repositoryOwner must be defined'
-  )
-  assert.ok(settings.repositoryName, 'settings.repositoryName must be defined')
-  const serviceUrl = getServerUrl()
-  const encodedOwner = encodeURIComponent(settings.repositoryOwner)
-  const encodedName = encodeURIComponent(settings.repositoryName)
-  if (settings.sshKey) {
-    return `git@${serviceUrl.hostname}:${encodedOwner}/${encodedName}.git`
-  }
-
-  // "origin" is SCHEME://HOSTNAME[:PORT]
-  return `${serviceUrl.origin}/${encodedOwner}/${encodedName}`
-}
-
-export function getServerUrl(): URL {
-  // todo: remove GITHUB_URL after support for GHES Alpha is no longer needed
-  return new URL(
-    process.env['GITHUB_SERVER_URL'] ||
-      process.env['GITHUB_URL'] ||
-      'https://github.com'
-  )
-}