name: "make-gen-delta"
on:
  - workflow_dispatch
  - push
  - workflow_call

permissions:
  contents: read

jobs:
  make-gen-delta:
    name: "Check for uncommitted changes from make gen"
    runs-on: ${{ fromJSON(vars.RUNNER) }}
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: '0'
      - name: Determine Go version
        id: get-go-version
        # We use .go-version as our source of truth for current Go
        # version, because "goenv" can react to it automatically.
        run: |
          echo "Building with Go $(cat .go-version)"
          echo "go-version=$(cat .go-version)" >> "$GITHUB_OUTPUT"
      - name: Set up Go
        uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
        with:
          go-version: "${{ steps.get-go-version.outputs.go-version }}"
          cache: false
      - name: Determine Go cache paths
        id: go-cache-paths
        run: |
          echo "go-mod=$(go env GOMODCACHE)" >> "$GITHUB_OUTPUT"
          echo "go-bin=$(go env GOPATH)/bin" >> "$GITHUB_OUTPUT"
      - name: Set up Go modules cache
        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.3
        with:
          path: |
            ${{ steps.go-cache-paths.outputs.go-mod }}
          key: go-mod-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            go-mod
      - name: Set up Go tools cache
        id: go-tools-cache
        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.3
        with:
          path: |
            ${{ steps.go-cache-paths.outputs.go-bin }}
          key: go-tools-${{ steps.get-go-version.outputs.go-version }}-${{ hashFiles('**/go.sum', './Makefile', './tools/tools.go') }}
          restore-keys: |
            go-tools-${{ steps.get-go-version.outputs.go-version }}
      - name: Running go mod tidy
        run: |
          go mod tidy
      - name: Install Dependencies
        if: steps.go-tools-cache.outputs.cache-hit != 'true'
        run: |
          go mod download
          make tools
      - name: Running make gen
        run: |
          make gen
      - name: Check for changes
        run: |
          git diff --exit-code
          git status --porcelain
          test -z "$(git status --porcelain)"