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docs: update README.md (#1971)

Add a scenario where it is necessary to push a commit to a pull request.
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The web walker 2024-11-08 23:32:54 +08:00 committed by GitHub
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@ -143,6 +143,7 @@ Please refer to the [release page](https://github.com/actions/checkout/releases/
- [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)
- [Push a commit using the built-in token](#Push-a-commit-using-the-built-in-token)
- [Push a commit to a PR using the built-in token](#Push-a-commit-to-a-PR-using-the-built-in-token)
## Fetch only the root files
@ -288,6 +289,31 @@ jobs:
```
*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
## Push a commit to a PR using the built-in token
In a pull request trigger, `ref` is required as GitHub Actions checks out in detached HEAD mode, meaning it doesnt check out your branch by default.
```yaml
on: pull_request
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
with:
ref: ${{ github.head_ref }}
- run: |
date > generated.txt
# Note: the following account information will not work on GHES
git config user.name "github-actions[bot]"
git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
git add .
git commit -m "generated"
git push
```
*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)