go-validate.yml

# Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: MPL-2.0

#
# This GitHub action runs basic linting checks for Packer.
#

name: "Go Validate"

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

permissions:
  contents: read

jobs:
  get-go-version:
    runs-on: ubuntu-latest
    outputs:
      go-version: ${{ steps.get-go-version.outputs.go-version }}
    steps:
      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
      - name: 'Determine Go version'
        id: get-go-version
        run: |
          echo "Found Go $(cat .go-version)"
          echo "go-version=$(cat .go-version)" >> $GITHUB_OUTPUT
  check-mod-tidy:
    needs:
      - get-go-version
    runs-on: ubuntu-latest
    name: Go Mod Tidy
    steps:
      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
      - uses: actions/setup-go@4d34df0c2316fe8122ab82dc22947d607c0c91f9 # v4.0.0
        with:
          go-version: ${{ needs.get-go-version.outputs.go-version }}
      - run: go mod tidy
  check-lint:
    needs:
      - get-go-version
    runs-on: ubuntu-latest
    name: Lint check
    steps:
      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
      - uses: actions/setup-go@4d34df0c2316fe8122ab82dc22947d607c0c91f9 # v4.0.0
        with:
          go-version: ${{ needs.get-go-version.outputs.go-version }}
      - uses: golangci/golangci-lint-action@08e2f20817b15149a52b5b3ebe7de50aff2ba8c5 # v3.4.0
        with:
          version: v1.47.3
          only-new-issues: true
  check-fmt:
    needs:
      - get-go-version
    runs-on: ubuntu-latest
    name: Gofmt check
    steps:
      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
      - uses: actions/setup-go@4d34df0c2316fe8122ab82dc22947d607c0c91f9 # v4.0.0
        with:
          go-version: ${{ needs.get-go-version.outputs.go-version }}
      - run: |
          go fmt ./...
          echo "==> Checking that code complies with go fmt requirements..."
          git diff --exit-code; if [ $$? -eq 1 ]; then \
          echo "Found files that are not fmt'ed."; \
          echo "You can use the command: \`go fmt ./...\` to reformat code."; \
          exit 1; \
          fi
  check-generate:
    needs:
      - get-go-version
    runs-on: ubuntu-latest
    name: Generate check
    steps:
      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
      - uses: actions/setup-go@4d34df0c2316fe8122ab82dc22947d607c0c91f9 # v4.0.0
        with:
          go-version: ${{ needs.get-go-version.outputs.go-version }}
      - run: |
          export PATH=$PATH:$(go env GOPATH)/bin
          make generate
          git diff --exit-code || ( echo "Found diffs in generated code" \
              && echo "You can use the command: \`make generate\` to reformat code." \
              && false )