[Bug]: lint-fix.yml github action doesn't work on a branch not from this repo

[neubig]

Is there an existing issue for the same bug?

• I have checked the existing issues.

Describe the bug and reproduction steps

When running the lint-fix.yml github action on a PR from outside of this repo, we get an error as follows. We should fix it!

Run actions/checkout@v4
  with:
    ref: checkout-a-non-main-branch-option
    fetch-depth: 0
    token: ***
    repository: All-Hands-AI/OpenHands
    ssh-strict: true
    ssh-user: git
    persist-credentials: true
    clean: true
    sparse-checkout-cone-mode: true
    fetch-tags: false
    show-progress: true
    lfs: false
    submodules: false
    set-safe-directory: true
Syncing repository: All-Hands-AI/OpenHands
Getting Git version info
Temporarily overriding HOME='/home/runner/work/_temp/e58b573[2](https://github.com/All-Hands-AI/OpenHands/actions/runs/11867107011/job/33074752266?pr=5075#step:2:2)-7167-401[3](https://github.com/All-Hands-AI/OpenHands/actions/runs/11867107011/job/33074752266?pr=5075#step:2:3)-863d-7a0be36b34ff' before making global git config changes
Adding repository directory to the temporary git global config as a safe directory
/usr/bin/git config --global --add safe.directory /home/runner/work/OpenHands/OpenHands
Deleting the contents of '/home/runner/work/OpenHands/OpenHands'
Initializing the repository
Disabling automatic garbage collection
Setting up auth
Fetching the repository
Determining the checkout info
  /usr/bin/git branch --list --remote origin/checkout-a-non-main-branch-option
  /usr/bin/git tag --list checkout-a-non-main-branch-option
  Error: A branch or tag with the name 'checkout-a-non-main-branch-option' could not be found

OpenHands Installation

Docker command in README

OpenHands Version

No response

Operating System

None

Logs, Errors, Screenshots, and Additional Context

No response

[github-actions]

OpenHands started fixing the issue! You can monitor the progress here.

[github-actions]

A potential fix has been generated and a draft PR #5081 has been created. Please review the changes.