name: Check go.mod

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

permissions: read-all

jobs:
  go-mod-tidy:
    runs-on: ubuntu-latest
    steps:
      - name: Check out code
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          show-progress: false

      - name: Set up Go
        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
        with:
          go-version-file: go.ver
          cache: false

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

      - name: Check for local changes
        run: git diff --exit-code