name: Prepare new release

on:
  create:
    branches:

env:
  CARGO_TERM_COLOR: always

jobs:
  release:
    runs-on: ubuntu-22.04

    if: "startsWith(github.ref, 'refs/heads/create_release/')"

    steps:
      - uses: actions/checkout@v3

      - name: Install latest stable
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          profile: minimal

      - name: Install cargo-edit
        uses: baptiste0928/cargo-install@v1
        with:
          crate: cargo-edit
          version: 0.9.1

      - name: Determine version
        id: vars
        uses: actions/github-script@v5
        with:
          script: |
            const { GITHUB_REF } = process.env
            const version = GITHUB_REF.replace('refs/heads/create_release/', '')
            console.log(`Got the following version: ${version}`)
            return version
          result-encoding: string
      
      - name: Bump version
        run: |
          cargo set-version --workspace ${{ steps.vars.outputs.result }}
          cargo generate-lockfile

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v4
        with:
          # Need to use our own token in order to trigger additional workflows
          # after the branch is crated.
          token: ${{ secrets.PAT_TOKEN }}
          title: "Create release ${{ steps.vars.outputs.result }}"
          commit-message: "Create release ${{ steps.vars.outputs.result }}"
          body: "bors r+"
          base: main
          branch: create_release/${{ steps.vars.outputs.result }}
          delete-branch: true