# Copyright 2024 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: lint
on:
  pull_request:
    paths:
      - "**"
      - "!docs/**"
      - "!**.md"
      - "!.github/**"
      - ".github/workflows/lint.yaml"

# Declare default permissions as read only.
permissions: read-all

jobs:
  lint:
    name: lint
    runs-on: ubuntu-latest
    concurrency:
      group: ${{ github.workflow }}-${{ github.ref }}
      cancel-in-progress: true
    permissions:
      contents: 'read'
    steps:
      - name: Checkout code
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - name: Setup Go
        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
        with:
          go-version-file: 'go.mod'

      - name: >
          Verify go mod tidy. If you're reading this and the check has
          failed, run `goimports -w . && go mod tidy && golangci-lint run`
        run: |
          go mod tidy && git diff --exit-code
          
      - name: golangci-lint
        uses: golangci/golangci-lint-action@82606bf257cbaff209d206a39f5134f0cfbfd2ee # v9.2.1
        with:
          version: latest
          args: --timeout 10m