create-pull-request/README.md

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# <img width="24" height="24" src="assets/logo.svg"> Create Pull Request
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[![GitHub Marketplace](https://img.shields.io/badge/Marketplace-Create%20Pull%20Request-blue.svg?colorA=24292e&colorB=0366d6&style=flat&longCache=true&logo=data:image/png;base64,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)](https://github.com/marketplace/actions/create-pull-request)
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A GitHub action to create a pull request for changes to your repository in the actions workspace.
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Changes to a repository in the Actions workspace persist between steps in a workflow.
This action is designed to be used in conjunction with other steps that modify or add files to your repository.
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The changes will be automatically committed to a new branch and a pull request created.
Create Pull Request action will:
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1. Check for repository changes in the Actions workspace. This includes untracked (new) files as well as modified files.
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2. Commit all changes to a new branch, or update an existing pull request branch.
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3. Create a pull request to merge the new branch into the currently active branch executing the workflow.
## Usage
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See [examples](examples.md) for detailed use cases.
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Linux
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```yml
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- name: Create Pull Request
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uses: peter-evans/create-pull-request@v1.6.0
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env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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```
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Multi platform - Linux, MacOS, Windows (beta)
```yml
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- name: Create Pull Request
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uses: peter-evans/create-pull-request@v1.6.0-multi
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env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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```
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**Note**: If you want pull requests created by this action to trigger an `on: pull_request` workflow then you must use a [Personal Access Token](https://help.github.com/en/articles/creating-a-personal-access-token-for-the-command-line) instead of the default `GITHUB_TOKEN`.
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See [this issue](https://github.com/peter-evans/create-pull-request/issues/48) for further details.
### Environment variables
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These variables are *all optional*. If not set, sensible default values will be used.
| Name | Description | Default |
| --- | --- | --- |
| `COMMIT_MESSAGE` | The message to use when committing changes. | `Auto-committed changes by create-pull-request action` |
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| `COMMIT_AUTHOR_EMAIL` | The email address of the commit author. | For `push` events, the HEAD commit author. Otherwise, <GITHUB_ACTOR>@users.noreply.github.com, where `GITHUB_ACTOR` is the GitHub user that initiated the event. |
| `COMMIT_AUTHOR_NAME` | The name of the commit author. | For `push` events, the HEAD commit author. Otherwise, <GITHUB_ACTOR>, the GitHub user that initiated the event. |
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| `PULL_REQUEST_TITLE` | The title of the pull request. | `Auto-generated by create-pull-request action` |
| `PULL_REQUEST_BODY` | The body of the pull request. | `Auto-generated pull request by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub Action` |
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| `PULL_REQUEST_LABELS` | A comma separated list of labels. | none |
| `PULL_REQUEST_ASSIGNEES` | A comma separated list of assignees (GitHub usernames). | none |
| `PULL_REQUEST_REVIEWERS` | A comma separated list of reviewers (GitHub usernames) to request a review from. | none |
| `PULL_REQUEST_TEAM_REVIEWERS` | A comma separated list of GitHub teams to request a review from. | none |
| `PULL_REQUEST_MILESTONE` | The number of the milestone to associate this pull request with. | none |
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| `PULL_REQUEST_BRANCH` | The branch name. See **Branch naming** below for details. | `create-pull-request/patch` |
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| `PULL_REQUEST_BASE` | Overrides the base branch. **Use with caution!** | Defaults to the currently checked out branch. |
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| `BRANCH_SUFFIX` | The branch suffix type. Valid values are `short-commit-hash`, `timestamp`, `random` and `none`. See **Branch naming** below for details. | `short-commit-hash` |
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**Output environment variables**
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- `PULL_REQUEST_NUMBER` - The number of the pull request created.
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**Debug environment variables**
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The following parameter is available for debugging and troubleshooting.
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- `DEBUG_EVENT` - If present, outputs the event data that triggered the workflow.
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### Branch naming
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For branch naming there are two strategies. Always create a new branch each time there are changes to be committed, OR, create a fixed-name pull request branch that will be updated with any new commits until it is merged or closed.
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#### Strategy A - Always create a new pull request branch (default)
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For this strategy there are three options to suffix the branch name.
The branch name is defined by the variable `PULL_REQUEST_BRANCH` and defaults to `create-pull-request/patch`. The following options are values for `BRANCH_SUFFIX`.
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- `short-commit-hash` (default) - Commits will be made to a branch suffixed with the short SHA1 commit hash. e.g. `create-pull-request/patch-fcdfb59`, `create-pull-request/patch-394710b`
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- `timestamp` - Commits will be made to a branch suffixed by a timestamp. e.g. `create-pull-request/patch-1569322532`, `create-pull-request/patch-1569322552`
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- `random` - Commits will be made to a branch suffixed with a random alpha-numeric string. This option should be used if multiple pull requests will be created during the execution of a workflow. e.g. `create-pull-request/patch-6qj97jr`, `create-pull-request/patch-5jrjhvd`
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#### Strategy B - Create and update a pull request branch
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To use this strategy, set `BRANCH_SUFFIX` to the value `none`. The variable `PULL_REQUEST_BRANCH` defaults to `create-pull-request/patch`. Commits will be made to this branch and a pull request created. Any subsequent changes will be committed to the *same* branch and reflected in the existing pull request.
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### Ignoring files
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If there are files or directories you want to ignore you can simply add them to a `.gitignore` file at the root of your repository. The action will respect this file.
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## Reference Example
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This workflow is a reference example that sets all the main environment variables.
See [examples](examples.md) for more realistic use cases.
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```yml
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name: Create Pull Request
on: push
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jobs:
createPullRequest:
runs-on: ubuntu-latest
steps:
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- uses: actions/checkout@v1
- name: Create report file
run: date +%s > report.txt
- name: Create Pull Request
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uses: peter-evans/create-pull-request@v1.6.0
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env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
COMMIT_MESSAGE: Add report file
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COMMIT_AUTHOR_EMAIL: peter-evans@users.noreply.github.com
COMMIT_AUTHOR_NAME: Peter Evans
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PULL_REQUEST_TITLE: '[Example] Add report file'
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PULL_REQUEST_BODY: |
New report
- Contains *today's* date
- Auto-generated by [create-pull-request][1]
[1]: https://github.com/peter-evans/create-pull-request
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PULL_REQUEST_LABELS: report, automated pr
PULL_REQUEST_ASSIGNEES: peter-evans
PULL_REQUEST_REVIEWERS: peter-evans
PULL_REQUEST_MILESTONE: 1
PULL_REQUEST_BRANCH: example-patches
BRANCH_SUFFIX: short-commit-hash
- name: Check output environment variable
run: echo "Pull Request Number - $PULL_REQUEST_NUMBER"
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```
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This reference configuration will create pull requests that look like this:
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![Pull Request Example](assets/pull-request-example.png)
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## License
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[MIT](LICENSE)