name: lint

on:
  push:
    branches: [ master ]
    paths:
      - '.github/workflows/lint.yml'
      - '.golangci.yml'
      - '**.go'
      - 'go.*'
  pull_request:
    branches: [ master ]
    paths:
      - '.github/workflows/lint.yml'
      - '.golangci.yml'
      - '**.go'
      - 'go.*'

permissions:
  contents: read

jobs:
  lint:
    name: golang
    runs-on: ubuntu-latest
    continue-on-error: true
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: "1.20"

      - name: Install dependencies
        run: |
          sudo apt -y update && sudo apt -y install protobuf-compiler
          make common

      - name: lint
        uses: golangci/golangci-lint-action@v5.1.0
        with:
          version: latest
          args: --timeout=2m0s
          skip-cache: true
          skip-pkg-cache: true
          skip-build-cache: true

  dependencies:
    name: dependencies
    runs-on: ubuntu-latest
    continue-on-error: true
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: "stable"

      - name: Check minimum supported version of Go
        run: |
          go mod tidy -go=1.20 -compat=1.20

      - name: Check go.mod / go.sum
        run: |
          git add go.*
          git diff --cached --exit-code go.*