mk_exercise.yml

name: Make Exercise

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

on:
  push:
    branches:
      - master
  workflow_dispatch:

permissions:
  contents: write
  pages: write
  id-token: write

jobs:
  build:
    runs-on: ubuntu-latest
    if: github.repository_owner == 'yuma-mizuno'
    steps:
      - name: checkout
        uses: actions/checkout@v4

      - name: Install elan
        run: |
          set -o pipefail
          curl https://raw.githubusercontent.com/leanprover/elan/master/elan-init.sh -sSf | sh -s -- -y --default-toolchain none
          echo "$HOME/.elan/bin" >> $GITHUB_PATH

      - name: make exercise
        run: lake exe mk_exercise Solution Tutorial

      - name: diff
        id: diff
        run: |
          git add -N Tutorial
          git diff --name-only --exit-code
        continue-on-error: true

      - name: commit
        if: steps.diff.outcome == 'failure'
        run: |
          git config user.name "GitHub Action"
          git config user.email "action@github.com"
          git add Tutorial
          git commit -m "generated by GitHub Action"
          git push