pr-checks.yml

name: "PR checks"

on:
  pull_request:
    branches: [ 'main' ]

jobs:

  pr-checks:
    runs-on: ubuntu-latest
    steps:

    - name: "Checkout pulp-ui (${{ github.ref }})"
      uses: actions/checkout@v4

    - name: "Install node 20"
      uses: actions/setup-node@v4
      with:
        node-version: '20'
        cache: 'npm'

    - name: "Checks"
      run: |
        # fail if npm install had to change package-lock.json
        npm install
        git diff --exit-code package-lock.json

        # dependencies
        npm run lint-setup

        # run linters
        npm run lint

        # uses `this` but not `class`
        sudo apt install -y ripgrep
        rg '\bclass\b' src/ | cut -d: -f1 | sort -u > src.class
        rg '\bthis[\.,)\]}]\b' src/ | cut -d: -f1 | sort -u > src.this
        if [ `comm -13 src.class src.this | wc -l` -ne 0 ]; then
          echo
          echo "Files using this but not class:"
          echo
          comm -13 src.class src.this
          echo
          rg '\bthis[\.,)\]}]\b' `comm -13 src.class src.this`
          echo
          exit 1
        fi

  merge-commits:
    runs-on: ubuntu-latest
    steps:

    # need to checkout out head, the merge commit won't have any merges in history
    # also need more than 1 commit, assuming no PR will have more than 128
    - name: "Checkout pulp-ui HEAD"
      uses: actions/checkout@v4
      with:
        fetch-depth: 128
        ref: ${{ github.event.pull_request.head.sha }}

    - name: "Ensure no merge commits"
      run: |
        # fail on merge commits in the PR
        # since squash&merge doesn't create merge commits,
        # and the last non-squash merges were in Jul 2019,
        # we can just look for any merge commits since 2020
        count=`git log --min-parents=2 --since 2020-01-01 | tee /dev/stderr | wc -l`
        [ "$count" = 0 ]

  webpack-config:
    runs-on: ubuntu-latest
    steps:

    - name: "Checkout pulp-ui (${{ github.base_ref }})"
      uses: actions/checkout@v4
      with:
        ref: ${{ github.base_ref }}
        path: 'base'

    - name: "Checkout pulp-ui (${{ github.ref }})"
      uses: actions/checkout@v4
      with:
        path: 'pr'

    - name: "Install node 20"
      uses: actions/setup-node@v4
      with:
        node-version: '20'
        cache: 'npm'
        cache-dependency-path: |
          base/package-lock.json
          pr/package-lock.json

    - name: 'npm install (base)'
      working-directory: 'base'
      run: 'npm install'

    - name: 'npm install (pr)'
      working-directory: 'pr'
      run: 'npm install'

    - name: "Diff configs"
      run: |
        mkdir ~/webpack-config/

        # eliminate differences caused by branch name based logic in f-c-config
        export BRANCH="${{ github.base_ref }}"

        for version in base pr; do
          mkdir ~/webpack-config/$version/
          pushd $version/config/

          for file in *.config.js; do
            grep -q shared <<< "$file" && continue || true

            export NODE_ENV=`grep -q '\.prod\.' <<< "$file" && echo production || echo development`

            node -e 'console.log(JSON.stringify(require("./'"$file"'"), null, 2))' |
              sed -e 's/\/home\/.*\/\(base\|pr\)\//\/DIR\//g' \
                -e 's/"UI_COMMIT_HASH": ".*"/"UI_COMMIT_HASH": "HASH"/' |
              perl -ne 'print unless /^[0-9a-f]{64,64}$/d' |
              grep -v '^Current branch:' |
              grep -v '^Waiting for ' |
              grep -v 'Root folder:' > ~/webpack-config/"$version"/"$file".json
          done

          popd
        done

        diff -Naur ~/webpack-config/{base,pr}