scheduled-release.yml

# Keep this in sync with the code in bootc-dev/bootc

name: Create Release PR

on:
  schedule:
    # Run every 3 weeks on Monday at 8:00 AM UTC
    # Note: GitHub Actions doesn't support "every 3 weeks" directly,
    # so we use a workaround by running weekly and checking if it's been 3 weeks
    - cron: '0 8 * * 1'
  workflow_dispatch:
    inputs:
      version:
        description: 'Version to release (e.g., 0.2.0). Leave empty to auto-increment.'
        required: false
        type: string

permissions:
  contents: write
  pull-requests: write

jobs:
  create-release-pr:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/create-github-app-token@v2
        id: app-token
        with:
          app-id: ${{ secrets.APP_ID }}
          private-key: ${{ secrets.APP_PRIVATE_KEY }}

      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ steps.app-token.outputs.token }}
          persist-credentials: false

      - name: Configure git safety
        if: steps.check_schedule.outputs.should_release == 'true'
        run: |
          git config --global --add safe.directory "$GITHUB_WORKSPACE"

      - name: Check if it's time for a release
        id: check_schedule
        run: |
          # For manual workflow dispatch, always proceed
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            echo "should_release=true" >> $GITHUB_OUTPUT
            exit 0
          fi

          START_DATE="2025-09-22" # start of a 3 week sprint
          START_TIMESTAMP=$(date -d "$START_DATE" +%s)
          CURRENT_TIMESTAMP=$(date +%s)
          # Add 12 hour buffer (43200 seconds) to account for scheduling delays
          ADJUSTED_TIMESTAMP=$((CURRENT_TIMESTAMP + 43200))
          DAYS_SINCE_START=$(( (ADJUSTED_TIMESTAMP - START_TIMESTAMP) / 86400 ))
          WEEKS_SINCE_START=$(( DAYS_SINCE_START / 7 ))

          echo "Days since start date ($START_DATE): $DAYS_SINCE_START"
          echo "Weeks since start date: $WEEKS_SINCE_START"

          # Release every 3 weeks
          if [ $WEEKS_SINCE_START -gt 0 ] && [ $((WEEKS_SINCE_START % 3)) -eq 0 ]; then
            echo "should_release=true" >> $GITHUB_OUTPUT
          else
            echo "should_release=false" >> $GITHUB_OUTPUT
          fi

      - name: Import GPG key
        if: steps.check_schedule.outputs.should_release == 'true'
        uses: crazy-max/ghaction-import-gpg@v6
        with:
          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
          passphrase: ${{ secrets.GPG_PASSPHRASE }}
          git_user_signingkey: true
          git_commit_gpgsign: true
          git_tag_gpgsign: true

      - name: Setup Rust
        if: steps.check_schedule.outputs.should_release == 'true'
        uses: dtolnay/rust-toolchain@stable

      - name: Install cargo-edit
        if: steps.check_schedule.outputs.should_release == 'true'
        run: cargo install cargo-edit

      - name: Generate release changes
        id: create_commit
        if: steps.check_schedule.outputs.should_release == 'true'
        env:
          INPUT_VERSION: ${{ github.event.inputs.version }}
        run: |
          # If version is provided via workflow dispatch, validate and use it
          if [ -n "$INPUT_VERSION" ]; then
            VERSION="$INPUT_VERSION"
            # Validate version format strictly
            if ! echo "$VERSION" | grep -E '^[0-9]+\.[0-9]+\.[0-9]+$' >/dev/null; then
              echo "Error: Invalid version format. Expected X.Y.Z (e.g., 0.2.0)"
              exit 1
            fi
            cargo set-version --manifest-path crates/kit/Cargo.toml --package bcvk "$VERSION"
          else
            # default to bump the minor since that is most common
            cargo set-version --manifest-path crates/kit/Cargo.toml --package bcvk --bump minor
            VERSION=$(cargo read-manifest --manifest-path crates/kit/Cargo.toml | jq -r '.version')
          fi

          cargo update --workspace
          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v7
        env:
          VERSION: ${{ steps.create_commit.outputs.VERSION }}
        with:
          token: ${{ steps.app-token.outputs.token }}
          title: "Release ${{ env.VERSION }}"
          commit-message: "Release ${{ env.VERSION }}"
          branch: "release-${{ env.VERSION }}"
          delete-branch: true
          labels: release
          signoff: true
          sign-commits: true
          body: |
            ## Release ${{ env.VERSION }}

            This is an automated release PR created by the scheduled release workflow.

            ### Release Process

            1. Review the changes in this PR
            2. Ensure all tests pass
            3. Merge the PR
            4. The release tag will be automatically created when this PR is merged

            The release workflow will automatically trigger when the tag is pushed.