build-calendars.yaml

name: Build Calendars

on:
  pull_request:
    branches: [ "main" ]
    paths:
      - 'manually_specified.yaml'
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always
  RUST_LOG: trace

jobs:
  build-calendars:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout repository
      uses: actions/checkout@v3

    - name: Cache dependencies
      uses: actions/cache@v3
      with:
        path: |
          ~/.cargo
          target/
        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

    - name: Cargo build
      uses: actions-rs/cargo@v1
      with:
        command: build
        args: --release

    - name: Cargo run
      uses: actions-rs/cargo@v1
      with:
        command: run
        # Don't actually compile the calendars, only check
        # manually_specified.yaml for conflicts & errors
        args: --release -- --only-check-for-overlaps=true

    - name: Update draft release with build artefacts
      uses: beyarkay/update-existing-release@master
      continue-on-error: true # this step fails on PRs originating from a FORK
      with:
        token: ${{ secrets.GH_ACTIONS_PAT || github.token }}
        release: Draft release with build artefacts
        updateTag: true
        tag: builds
        replace: true
        files: calendars/calendar_preview.png
        body: |
          This release contains build artefacts. If you want to add load
          shedding to your calendar, click
          [here](https://github.com/beyarkay/eskom-calendar/releases/tag/latest).