__test__/git-auth-helper.test.ts

@@ -22,11 +22,6 @@ let settings: IGitSourceSettings
 let sshPath: string
 let githubServerUrl: string
 
-// Helper function to normalize path separators to forward slashes
-function convertBackslashes(file: string): string {
-  return file.replace(/\\/g, '/')
-}
-
 describe('git-auth-helper tests', () => {
   beforeAll(async () => {
     // SSH
@@ -266,8 +261,7 @@ describe('git-auth-helper tests', () => {
       await fs.promises.symlink(workspace, symlinkPath)
 
       // Make git appear to be operating from the symlink path
-      const mockGetWorkingDirectory = git.getWorkingDirectory as jest.Mock
+      ;(git.getWorkingDirectory as jest.Mock).mockReturnValue(symlinkPath)
-      mockGetWorkingDirectory.mockReturnValue(symlinkPath)
       process.env['GITHUB_WORKSPACE'] = symlinkPath
 
       const authHelper = gitAuthHelper.createAuthHelper(git, settings)
@@ -279,10 +273,10 @@ describe('git-auth-helper tests', () => {
       const localConfigContent = (
         await fs.promises.readFile(localGitConfigPath)
       ).toString()
-      const realGitDir = convertBackslashes(
+      const realGitDir = (
         await fs.promises.realpath(path.join(symlinkPath, '.git'))
-      )
+      ).replace(/\\/g, '/')
-      const symlinkGitDir = convertBackslashes(path.join(symlinkPath, '.git'))
+      const symlinkGitDir = path.join(symlinkPath, '.git').replace(/\\/g, '/')
 
       expect(realGitDir).not.toBe(symlinkGitDir) // sanity check: paths differ
       expect(
@@ -301,11 +295,10 @@ describe('git-auth-helper tests', () => {
     // Arrange
     await setup(configureAuth_fallsBackWhenRealpathSyncFails)
 
-    // Use a nonexistent path so realpathSync throws ENOENT naturally,
+    // Use a non-existent path so realpathSync throws ENOENT naturally,
     // exercising the catch fallback in configureToken()
     const nonexistentPath = path.join(runnerTemp, 'does-not-exist')
-    const mockGetWorkingDirectory = git.getWorkingDirectory as jest.Mock
+    ;(git.getWorkingDirectory as jest.Mock).mockReturnValue(nonexistentPath)
-    mockGetWorkingDirectory.mockReturnValue(nonexistentPath)
 
     const authHelper = gitAuthHelper.createAuthHelper(git, settings)
 
@@ -316,9 +309,9 @@ describe('git-auth-helper tests', () => {
     const localConfigContent = (
       await fs.promises.readFile(localGitConfigPath)
     ).toString()
-    const fallbackGitDir = convertBackslashes(
+    const fallbackGitDir = path
-      path.join(nonexistentPath, '.git')
+      .join(nonexistentPath, '.git')
-    )
+      .replace(/\\/g, '/')
     expect(
       localConfigContent.indexOf(`includeIf.gitdir:${fallbackGitDir}.path`)
     ).toBeGreaterThanOrEqual(0)

src/git-auth-helper.ts

@@ -8,9 +8,9 @@ import * as path from 'path'
 import * as regexpHelper from './regexp-helper'
 import * as stateHelper from './state-helper'
 import * as urlHelper from './url-helper'
-import {v4 as uuid} from 'uuid'
+import { v4 as uuid } from 'uuid'
-import {IGitCommandManager} from './git-command-manager'
+import { IGitCommandManager } from './git-command-manager'
-import {IGitSourceSettings} from './git-source-settings'
+import { IGitSourceSettings } from './git-source-settings'
 
 const IS_WINDOWS = process.platform === 'win32'
 const SSH_COMMAND_KEY = 'core.sshCommand'
@@ -92,7 +92,7 @@ class GitAuthHelper {
     assert.ok(runnerTemp, 'RUNNER_TEMP is not defined')
     const uniqueId = uuid()
     this.temporaryHomePath = path.join(runnerTemp, uniqueId)
-    await fs.promises.mkdir(this.temporaryHomePath, {recursive: true})
+    await fs.promises.mkdir(this.temporaryHomePath, { recursive: true })
 
     // Copy the global git config
     const gitConfigPath = path.join(
@@ -258,11 +258,11 @@ class GitAuthHelper {
     const uniqueId = uuid()
     this.sshKeyPath = path.join(runnerTemp, uniqueId)
     stateHelper.setSshKeyPath(this.sshKeyPath)
-    await fs.promises.mkdir(runnerTemp, {recursive: true})
+    await fs.promises.mkdir(runnerTemp, { recursive: true })
     await fs.promises.writeFile(
       this.sshKeyPath,
       this.settings.sshKey.trim() + '\n',
-      {mode: 0o600}
+      { mode: 0o600 }
     )
 
     // Remove inherited permissions on Windows