Replace pull-request body github action

This action looks at the body of a pull-request (created via PULL_REQUEST_TEMPLATE.md) and replaces the variables below with information from the pull-request.

Available variables

prNumber branchName

More to be added in the future.

Inputs

github-token

Required ${{ secrets.GITHUB_TOKEN }}

Example usage

Under .github/PULL_REQUEST_TEMPLATE.md:

Link to review app: http://app-{{prNumber}}.example.com

And under .github/workflows/update-pr-body.yml

name: Update pull-request body
on: [pull_request]

uses: claudiamatosa/github-action-replace-pr-body@v1
with:
  github-token: "${{ secrets.GITHUB_TOKEN }}"