golangci-lint.yml

name: golangci-lint
on:
  push:
    branches:
      - master
      - main
  pull_request:

permissions:
  contents: read
  pull-requests: read

jobs:
  golangci:
    name: lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: "1.22"
          cache: false
      - name: golangci-lint
        uses: golangci/golangci-lint-action@v4
        with:
          version: v1.56
          args: --out-format=line-number

  verify-go-mod:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout source code
        uses: actions/checkout@v4

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.22
          cache: false

      - name: Run go mod tidy
        run: |
          go mod tidy

      - name: Verify
        shell: bash
        run: |
          # From: https://backreference.org/2009/12/23/how-to-match-newlines-in-sed/
          # This is to leverage this workaround:
          # https://github.com/actions/toolkit/issues/193#issuecomment-605394935
          urlencode() {
            sed ':begin;$!N;s/\n/%0A/;tbegin'
          }

          if [ -z "$(git status --porcelain)" ]; then
              echo "${{ github.repository }} up to date."
          else
              echo "Found diffs in: $(git diff-index --name-only HEAD)"
              for x in $(git diff-index --name-only HEAD); do
                  echo "::error file=$x::Please run 'go mod tidy'.%0A$(git diff $x | urlencode)"
              done
              echo "${{ github.repository }} is out of date. Please run 'go mod tidy'"
              exit 1
          fi