version-bump.yml

name: Bump Version on PR (Rust Workspace)

on:
  pull_request:
    types: [opened]
    branches:
      - main

jobs:
  bump_version:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.ref }}

      - name: Extract version from PR title
        id: extract_version
        uses: actions/github-script@v6
        with:
          script: |
            const prTitle = context.payload.pull_request.title;
            const versionMatch = prTitle.match(/v(\d+\.\d+\.\d+)/);
            if (!versionMatch) {
              core.setFailed('No valid semver version found in PR title');
            } else {
              // if pr title contains "minor" or "major" we bump accordingly
              if (prTitle.includes('minor')) {
                core.setOutput('version', 'minor');
              } else if (prTitle.includes('major')) {
                core.setOutput('version', 'major');
              } else {
                core.setOutput('version', `custom ${versionMatch[1]}`);
              }
            }

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable

      - name: Bump workspace version
        run: |
          cargo install cargo-workspaces
          cargo workspaces version ${{ steps.extract_version.outputs.version }} --all

      - name: Commit and push changes
        uses: EndBug/add-and-commit@v9
        with:
          message: "Bump version to ${{ steps.extract_version.outputs.version }}"
          add: "*/Cargo.toml"
          push: true
          branch: dev
          default_author: github_actor
          github_token: ${{ secrets.GITHUB_TOKEN }}