release-please.yml

# SPDX-License-Identifier: Apache-2.0

name: Release Please

on:
  push:
    branches: [main]

permissions: {}

env:
  CARGO_TERM_COLOR: always

jobs:
  release-please:
    name: Release PR and tag
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      # A GitHub App token (not GITHUB_TOKEN) so the release PR triggers CI + E2E
      # and the tag push triggers release.yml.
      - name: Generate app token
        id: app-token
        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
        with:
          app-id: ${{ secrets.RELEASE_BOT_APP_ID }}
          private-key: ${{ secrets.RELEASE_BOT_PRIVATE_KEY }}
          permission-contents: write
          permission-pull-requests: write

      - name: Run release-please
        id: release
        uses: googleapis/release-please-action@45996ed1f6d02564a971a2fa1b5860e934307cf7 # v5.0.0
        with:
          token: ${{ steps.app-token.outputs.token }}
          config-file: release-please-config.json
          manifest-file: .release-please-manifest.json

      # The `simple` release type only bumps Cargo.toml + CHANGELOG.md. CI builds with
      # --locked, so Cargo.lock must be re-synced on the release PR or the build fails.
      - name: Resolve release PR branch
        id: pr
        if: ${{ steps.release.outputs.pr }}
        env:
          PR_JSON: ${{ steps.release.outputs.pr }}
        run: echo "branch=$(jq -r .headBranchName <<<"$PR_JSON")" >> "$GITHUB_OUTPUT"

      - name: Checkout release PR branch
        if: ${{ steps.release.outputs.pr }}
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          ref: ${{ steps.pr.outputs.branch }}
          token: ${{ steps.app-token.outputs.token }}
          persist-credentials: false

      - name: Install Rust toolchain
        if: ${{ steps.release.outputs.pr }}
        run: rustup show

      - name: Sync Cargo.lock with bumped workspace version
        if: ${{ steps.release.outputs.pr }}
        run: |
          cargo update --workspace
          if git diff --quiet -- Cargo.lock; then
            echo "Cargo.lock already in sync."
            exit 0
          fi
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add Cargo.lock
          git commit -m "chore: sync Cargo.lock"

      - name: Push Cargo.lock update
        if: ${{ steps.release.outputs.pr }}
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}
        run: |
          git push "https://x-access-token:${GH_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" \
            "HEAD:${{ steps.pr.outputs.branch }}"