Merge 83f93bf255d9c8d8d30434cb4497fcc8e3dd59b1 into 85e6279cec87321a52edac9c87bce653a07cf6c2

Fixes #603

README.md

@@ -126,6 +126,10 @@ Please refer to the [release page](https://github.com/actions/checkout/releases/
     # running from unless specified. Example URLs are https://github.com or
     # https://my-ghes-server.example.com
     github-server-url: ''
+
+    # Whether to clone the repository as a bare repository
+    # Default: false
+    bare: ''
 ```
 <!-- end usage -->
 
@@ -312,7 +316,9 @@ jobs:
           git push
 ```
 
-## Recommended permissions
+*NOTE:* The user email is `{user.id}+{user.login}@users.noreply.github.com`. See users API: https://api.github.com/users/github-actions%5Bbot%5D
+
+# Recommended permissions
 
 When using the `checkout` action in your GitHub Actions workflow, it is recommended to set the following `GITHUB_TOKEN` permissions to ensure proper functionality, unless alternative auth is provided via the `token` or `ssh-key` inputs:
 
@@ -321,9 +327,6 @@ permissions:
   contents: read
 ```
 
-*NOTE:* The user email is `{user.id}+{user.login}@users.noreply.github.com`. See users API: https://api.github.com/users/github-actions%5Bbot%5D
-
-
 # License
 
 The scripts and documentation in this project are released under the [MIT License](LICENSE)

__test__/git-command-manager.test.ts

@@ -375,4 +375,42 @@ describe('Test fetchDepth and fetchTags options', () => {
       expect.any(Object)
     )
   })
+
+  it('should call execGit with the correct arguments when bare is true', async () => {
+    jest.spyOn(exec, 'exec').mockImplementation(mockExec)
+
+    const workingDirectory = 'test'
+    const lfs = false
+    const doSparseCheckout = false
+    git = await commandManager.createCommandManager(
+      workingDirectory,
+      lfs,
+      doSparseCheckout
+    )
+    const refSpec = ['refspec1', 'refspec2']
+    const options = {
+      filter: 'filterValue',
+      bare: true
+    }
+
+    await git.fetch(refSpec, options)
+
+    expect(mockExec).toHaveBeenCalledWith(
+      expect.any(String),
+      [
+        '-c',
+        'protocol.version=2',
+        'fetch',
+        '--bare',
+        '--no-tags',
+        '--prune',
+        '--no-recurse-submodules',
+        '--filter=filterValue',
+        'origin',
+        'refspec1',
+        'refspec2'
+      ],
+      expect.any(Object)
+    )
+  })
 })

action.yml

@@ -98,6 +98,9 @@ inputs:
   github-server-url:
     description: The base URL for the GitHub instance that you are trying to clone from, will use environment defaults to fetch from the same instance that the workflow is running from unless specified. Example URLs are https://github.com or https://my-ghes-server.example.com
     required: false
+  bare:
+    description: 'Whether to clone the repository as a bare repository'
+    default: false
 outputs:
   ref:
     description: 'The branch, tag or SHA that was checked out'

src/git-source-provider.ts

@@ -110,7 +110,11 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
       !fsHelper.directoryExistsSync(path.join(settings.repositoryPath, '.git'))
     ) {
       core.startGroup('Initializing the repository')
-      await git.init()
+      const initArgs = ['init']
+      if (settings.bare) {
+        initArgs.push('--bare')
+      }
+      await git.execGit(initArgs)
       await git.remoteAdd('origin', repositoryUrl)
       core.endGroup()
     }