---
name: ci

on:
  push:
  schedule:
  - cron: '3 4 * * 4'  # weekly on thursday morning

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go:
        - '1.19'
        - '1.20'
      fail-fast: false
    env:
      GO111MODULE: on
      GOPROXY: direct
      GOSUMDB: off
    steps:
    - uses: actions/checkout@v4
    - name: Set up Go ${{ matrix.go }}
      uses: actions/setup-go@v5
      with:
        go-version: ${{ matrix.go }}
    - name: Build
      run: |
        make

  actionlint:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Check workflow files
      run: |
        echo "::add-matcher::.github/actionlint-matcher.json"
        bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
        ./actionlint