pr.yml

name: pr

on:
  pull_request: {}

jobs:
  tagfile:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: 0 # For $ git tag

    - name: Ensure Tagfile is usable
      run: grep -E '^[0-9]+[.][0-9]+[.][0-9]+$' Tagfile

    - name: Checkout master Tagfile
      uses: actions/checkout@v3
      with:
        ref: master
        path: ./master-Tagfile

    - name: Ensure Tagfile has changes
      run: '! diff -q Tagfile ./master-Tagfile/Tagfile'

    - name: Ensure tag wasn't published already
      run: git tag | grep -vF $(cat Tagfile)

    - name: Ensure new tag is a 1-increment
      run: |
        curr=$(cat Tagfile)
        prev=./master-Tagfile/Tagfile
        {
          echo $(( $(cut -d. -f1 <$prev) + 1 )).$(cut -d. -f2 <$prev).$(cut -d. -f3 <$prev)
          echo $(cut -d. -f1 <$prev).$(( $(cut -d. -f2 <$prev) + 1 )).$(cut -d. -f3 <$prev)
          echo $(cut -d. -f1 <$prev).$(( $(cut -d. -f2 <$prev) + 1 )).0
          echo $(cut -d. -f1 <$prev).$(cut -d. -f2 <$prev).$(( $(cut -d. -f3 <$prev) + 1 ))
        } | awk '{ printf("%s ", $0) }' | grep -F "$curr"

  tagfile-dependabot:
    runs-on: ubuntu-latest
    if: ${{ startsWith(github.event.pull_request.head.ref, 'dependabot/') }}
    permissions:
      contents: write
      pull-requests: write
    steps:
    - uses: dependabot/fetch-metadata@v1
      id: metadata
      with:
        skip-commit-verification: true
        github-token: "${{ secrets.GITHUB_TOKEN }}"
    - uses: actions/checkout@v3
      with:
        fetch-depth: 0 # For $ git tag
        ref: ${{ github.event.pull_request.head.ref }}
    - name: Checkout master Tagfile
      uses: actions/checkout@v3
      with:
        ref: master
        path: ./master-Tagfile
        sparse-checkout: Tagfile
        sparse-checkout-cone-mode: false
    - name: Ensure Tagfile has changes
      run: |
        if ! diff -q Tagfile ./master-Tagfile/Tagfile; then
          cat ./master-Tagfile/Tagfile | awk -F. '/[0-9]+\./{$NF++;print}' OFS=. >Tagfile
        fi
    - name: Ensure Tagfile is bumping master Tagfile
      run: |
        if ! printf '%s pr\n%s master\n' "$(cat Tagfile)" "$(cat ./master-Tagfile/Tagfile)" | sort -u -V -k1 -r | head -n1 | grep master; then
          cat ./master-Tagfile/Tagfile | awk -F. '/[0-9]+\./{$NF++;print}' OFS=. >Tagfile
        fi
    - name: Maybe push new Tagfile
      run: |
        set -x
        git add Tagfile
        COMMITHASH=$(git rev-parse --short HEAD)
        if git status -bs Tagfile | grep Tagfile; then
          git config --global user.name 'dependabot[bot]'
          git config --global user.email '49699333+dependabot[bot]@users.noreply.github.com'
          # https://docs.github.com/en/code-security/dependabot/working-with-dependabot/managing-pull-requests-for-dependency-updates#allowing-dependabot-to-rebase-and-force-push-over-extra-commits
          git commit --fixup "$COMMITHASH"
          EDITOR=/usr/bin/cat git rebase -i --autosquash "$COMMITHASH"~
          git push --force origin "$BRANCH"
        fi
      env:
        BRANCH: ${{ github.event.pull_request.head.ref }}
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  check-goimports:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - uses: actions/setup-go@v5.0.0
      with:
        go-version: '>=1.17.0'
    - run: go install github.com/incu6us/goimports-reviser/v2@v2.5.1
    - run: which goimports-reviser
    - run: find . -type f -iname '*.go' ! -iname '*.pb.go' -exec goimports-reviser -file-path {} \;
    - run: git --no-pager diff --exit-code

  check-nillness:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - uses: actions/setup-go@v5.0.0
    - run: go run golang.org/x/tools/go/analysis/passes/nilness/cmd/nilness@latest ./...

  checks:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        check:
        - goreleaser-dist
        - ci-check--lint
        - ci-check--mod
        - ci-check--test
        - ci-check--protolock
      # - ci-check--protolock-force
        - ci-check--protoc
    steps:
    - name: Set lowercase image name
      run: echo IMAGE=ghcr.io/${SLUG,,} >>$GITHUB_ENV
      env:
        SLUG: ${{ github.repository }}

    - uses: actions/checkout@v3

    - uses: docker/setup-buildx-action@v2.9.1

    - name: Log in to GitHub Container Registry
      uses: docker/login-action@v2.2.0
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - uses: docker/bake-action@v3.1.0
      with:
        files: ./docker-bake.hcl
        targets: ${{ matrix.check }}
        # TODO: cache-to
        # set: |
        #   *.cache-to=type=registry,ref=${{ env.IMAGE }}:${{ matrix.check }},mode=max

    - run: git --no-pager diff --exit-code

    # TODO: cache-to
    # - if: github.ref == 'refs/heads/master'
    #   name: If on master push image to GHCR
    #   run: docker push ${{ env.IMAGE }}:${{ matrix.check }}

    - if: matrix.check == 'goreleaser-dist'
      name: Test CLI
      run: |
        tar zxvf ./dist/monkey-Linux-x86_64.tar.gz -C .
        ./monkey -h | grep monkey
        ./monkey help | grep monkey
        ./monkey version
        ./monkey fmt
        [[ $(./monkey version | wc -l) = 1 ]]
        ./monkey version | grep -F $(cat Tagfile)
        ./monkey --version | grep -F $(cat Tagfile)