bump-pre-release.yml

name: Bump Pre-release

on:
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always

jobs:
  ci:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install cargo-release
        run: cargo install cargo-release

      - name: Setup post-release version bump
        run: |
          # Set the commit author to the github-actions bot. See discussion here for more information:
          # https://github.com/actions/checkout/issues/13#issuecomment-724415212
          # https://github.community/t/github-actions-bot-email-address/17204/6
          git config user.name 'Mun Auto Releaser'
          git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
          # Read the current version from Cargo.toml
          current_version=$(cargo metadata --format-version 1 --no-deps | \
            jq --raw-output '.packages | .[] | select(.name == "mun").version')
          # Sanity check: current version should be 0.X.Y
          if ! grep -q '^0\.[0-9]\+\.[0-9]\+$' <<< "${current_version}"; then
            echo "Invalid version (not in 0.X.Y format): ${current_version}"
            exit 1
          fi
          minor_version=$(sed 's/^0\.\([0-9]\+\).*/\1/' <<< "${current_version}")
          next_version=0.$((minor_version + 1)).0-dev
          echo "Bumping version to ${next_version}"
          # See release.yml for meaning of these arguments
          cargo release "${next_version}" \
            --workspace \
            --no-publish \
            --execute \
            --no-tag \
            --no-confirm \
            --no-push \
            --exclude tools

      - name: Create PR
        uses: peter-evans/create-pull-request@v6
        with:
          delete-branch: true
          base: "main"
          title: "chore: bump version after release"
          body: |
            Bump version after release
            This PR has been auto-generated