Add set-safe-directory input to allow customers to take control. (#770) (#776)

* Add set-safe-directory input to allow customers to take control.

Author: TingluoHuang

.github/workflows/test.yml

@@ -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

README.md

@@ -105,6 +105,11 @@ 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: ''
 ```
 <!-- end usage -->
 

__test__/git-auth-helper.test.ts

@@ -777,7 +777,8 @@ async function setup(testName: string): Promise<void> {
     sshKey: sshPath ? 'some ssh private key' : '',
     sshKnownHosts: '',
     sshStrict: true,
-    workflowOrganizationId: 123456
+    workflowOrganizationId: 123456,
+    setSafeDirectory: true
   }
 }
 

__test__/input-helper.test.ts

@@ -85,6 +85,7 @@ 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', async () => {

action.yml

@@ -68,6 +68,9 @@ inputs:
       When the `ssh-key` input is not provided, SSH URLs beginning with `[email protected]:` 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
 runs:
   using: node12
   main: dist/index.js

dist/index.js

@@ -3592,7 +3592,7 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.setSshKnownHostsPath = exports.setSshKeyPath = exports.setRepositoryPath = exports.SshKnownHostsPath = exports.SshKeyPath = exports.RepositoryPath = exports.IsPost = void 0;
+exports.setSafeDirectory = exports.setSshKnownHostsPath = exports.setSshKeyPath = exports.setRepositoryPath = exports.SshKnownHostsPath = exports.SshKeyPath = exports.PostSetSafeDirectory = exports.RepositoryPath = exports.IsPost = void 0;
 const coreCommand = __importStar(__webpack_require__(431));
 /**
  * Indicates whether the POST action is running
@@ -3602,6 +3602,10 @@ exports.IsPost = !!process.env['STATE_isPost'];
  * The repository path for the POST action. The value is empty during the MAIN action.
  */
 exports.RepositoryPath = process.env['STATE_repositoryPath'] || '';
+/**
+ * The set-safe-directory for the POST action. The value is set if input: 'safe-directory' is set during the MAIN action.
+ */
+exports.PostSetSafeDirectory = process.env['STATE_setSafeDirectory'] === 'true';
 /**
  * The SSH key path for the POST action. The value is empty during the MAIN action.
  */
@@ -3631,6 +3635,13 @@ function setSshKnownHostsPath(sshKnownHostsPath) {
     coreCommand.issueCommand('save-state', { name: 'sshKnownHostsPath' }, sshKnownHostsPath);
 }
 exports.setSshKnownHostsPath = setSshKnownHostsPath;
+/**
+ * Save the sef-safe-directory input so the POST action can retrieve the value.
+ */
+function setSafeDirectory() {
+    coreCommand.issueCommand('save-state', { name: 'setSafeDirectory' }, 'true');
+}
+exports.setSafeDirectory = setSafeDirectory;
 // Publish a variable so that when the POST action runs, it can determine it should run the cleanup logic.
 // This is necessary since we don't have a separate entry point.
 if (!exports.IsPost) {
@@ -6572,7 +6583,7 @@ class GitAuthHelper {
             yield this.configureToken();
         });
     }
-    configureTempGlobalConfig(repositoryPath) {
+    configureTempGlobalConfig() {
         var _a, _b;
         return __awaiter(this, void 0, void 0, function* () {
             // Already setup global config
@@ -6608,14 +6619,6 @@ class GitAuthHelper {
             // Override HOME
             core.info(`Temporarily overriding HOME='${this.temporaryHomePath}' before making global git config changes`);
             this.git.setEnvironmentVariable('HOME', this.temporaryHomePath);
-            // Setup the workspace 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
-            core.info(`Adding working directory to the temporary git global config as a safe directory`);
-            yield this.git
-                .config('safe.directory', repositoryPath !== null && repositoryPath !== void 0 ? repositoryPath : this.settings.repositoryPath, true, true)
-                .catch(error => {
-                core.info(`Failed to initialize safe directory with error: ${error}`);
-            });
             return newGitConfigPath;
         });
     }
@@ -7352,7 +7355,18 @@ function getSource(settings) {
         try {
             if (git) {
                 authHelper = gitAuthHelper.createAuthHelper(git, settings);
-                yield authHelper.configureTempGlobalConfig();
+                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
+                    yield authHelper.configureTempGlobalConfig();
+                    core.info(`Adding repository directory to the temporary git global config as a safe directory`);
+                    yield 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) {
@@ -7500,7 +7514,17 @@ function cleanup(repositoryPath) {
         // Remove auth
         const authHelper = gitAuthHelper.createAuthHelper(git);
         try {
-            yield authHelper.configureTempGlobalConfig(repositoryPath);
+            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
+                yield authHelper.configureTempGlobalConfig();
+                core.info(`Adding repository directory to the temporary git global config as a safe directory`);
+                yield git
+                    .config('safe.directory', repositoryPath, true, true)
+                    .catch(error => {
+                    core.info(`Failed to initialize safe directory with error: ${error}`);
+                });
+            }
             yield authHelper.removeAuth();
         }
         finally {
@@ -17277,6 +17301,9 @@ function getInputs() {
             (core.getInput('persist-credentials') || 'false').toUpperCase() === 'TRUE';
         // Workflow organization ID
         result.workflowOrganizationId = yield workflowContextHelper.getOrganizationId();
+        // Set safe.directory in git global config.
+        result.setSafeDirectory =
+            (core.getInput('set-safe-directory') || 'true').toUpperCase() === 'TRUE';
         return result;
     });
 }

src/git-auth-helper.ts

@@ -19,7 +19,7 @@ export interface IGitAuthHelper {
   configureAuth(): Promise<void>
   configureGlobalAuth(): Promise<void>
   configureSubmoduleAuth(): Promise<void>
-  configureTempGlobalConfig(repositoryPath?: string): Promise<string>
+  configureTempGlobalConfig(): Promise<string>
   removeAuth(): Promise<void>
   removeGlobalConfig(): Promise<void>
 }
@@ -81,7 +81,7 @@ class GitAuthHelper {
     await this.configureToken()
   }
 
-  async configureTempGlobalConfig(repositoryPath?: string): Promise<string> {
+  async configureTempGlobalConfig(): Promise<string> {
     // Already setup global config
     if (this.temporaryHomePath?.length > 0) {
       return path.join(this.temporaryHomePath, '.gitconfig')
@@ -121,21 +121,6 @@ class GitAuthHelper {
     )
     this.git.setEnvironmentVariable('HOME', this.temporaryHomePath)
 
-    // Setup the workspace 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
-    core.info(
-      `Adding working directory to the temporary git global config as a safe directory`
-    )
-    await this.git
-      .config(
-        'safe.directory',
-        repositoryPath ?? this.settings.repositoryPath,
-        true,
-        true
-      )
-      .catch(error => {
-        core.info(`Failed to initialize safe directory with error: ${error}`)
-      })
     return newGitConfigPath
   }
 

src/git-source-provider.ts

@@ -40,7 +40,24 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
   try {
     if (git) {
       authHelper = gitAuthHelper.createAuthHelper(git, settings)
-      await authHelper.configureTempGlobalConfig()
+      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`
+        )
+
+        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
@@ -249,7 +266,21 @@ export async function cleanup(repositoryPath: string): Promise<void> {
   // Remove auth
   const authHelper = gitAuthHelper.createAuthHelper(git)
   try {
-    await authHelper.configureTempGlobalConfig(repositoryPath)
+    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()

src/git-source-settings.ts

@@ -78,4 +78,9 @@ export interface IGitSourceSettings {
    * Organization ID for the currently running workflow (used for auth settings)
    */
   workflowOrganizationId: number | undefined
+
+  /**
+   * Indicates whether to add repositoryPath as safe.directory in git global config
+   */
+  setSafeDirectory: boolean
 }

src/input-helper.ts

@@ -122,5 +122,8 @@ export async function getInputs(): Promise<IGitSourceSettings> {
   // Workflow organization ID
   result.workflowOrganizationId = await workflowContextHelper.getOrganizationId()
 
+  // Set safe.directory in git global config.
+  result.setSafeDirectory =
+    (core.getInput('set-safe-directory') || 'true').toUpperCase() === 'TRUE'
   return result
 }