- name: debig GitHub context
  env:
    GITHUB_CONTEXT: ${{ toJson(github) }}
  run: |
        echo "$GITHUB_CONTEXT"

- name: debig GitHub context
  run: cat /home/runner/work/_temp/_github_workflow/event.json

name: Pull Request Workflow
on:
  ...

env:
  ...

jobs:
  own-container-jobs:
    runs-on: ubuntu-latest
    container: docker.io/yourpublicaccount/builder-container:1.0.0
    services:
      postgres:
        ...
      redis:
        ...

    steps:
      - name: Check out repository code
        uses: actions/checkout@v2

      - uses: actions/cache@v2
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('*/requirements/path.txt') }}

      - name: Build seed VENV
        run: |
          # export PATH needs only if we have to build Psycopg2
          # Psycopg2 uses pg_config to find the libraries at build time
          export PATH=/usr/pgsql-10/bin:$PATH
          cd seed_dir
          python3.6 -m venv venv
          ./venv/bin/pip install -r requirements/path.txt          

      - name: Seed DB
        run: |
          cd seed_dir
          ./venv/bin/python ...
          ./venv/bin/alembic ...          

      - name: Build work VENV
        run: |
          cd work_dir
          python3.8 -m venv venv
          ./venv/bin/pip install -r requirements/path.txt          

      - name: Run tests
        run: |
          cd work_dir
          ./venv/bin/pytest -v          

ARG CODE_VERSION
FROM docker.io/redhat/ubi8:latest
ENV CODE_VERSION=${CODE_VERSION}
RUN dnf install -y --setopt=install_weak_deps=False \
        bzip2 bzip2-devel gcc-c++ git glibc-langpack-en \
        libffi-devel libpq-devel libxml2-devel libxslt-devel \
        python36-devel python38 python38-devel \
        ... \
        zlib-devel && \
        dnf clean all && rm -rf /var/cache/dnf

# RUN useradd -rm -d /github/home -s /bin/bash -g root -G sudo -u 1001 builder
# We need non-root user with uid 1001
# Because github overrides HOME environ, and creates /github/home dir with uid 1001
# - https://github.com/actions/runner/issues/863
# - https://github.com/actions/runner/issues/1525
RUN mkdir /github && \
    groupadd --system --gid 1001 builder && \
    useradd --system --create-home --home-dir /github/home --shell /bin/bash --uid 1001 --gid 1001 builder
USER builder
WORKDIR /github/home

---
on:
  - pull_request

jobs:
  pr-check1:
     runs-on: ubuntu-latest
     steps:

      - uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: get log changes
        id: get_log_changes
        # we need to cover the cases when commits contains merges from deployment branches:
        #  Merge remote-tracking branch 'origin/deployment/QA...' into feature/...
        #  Merge branch 'deployment/QA...' into feature/...
        run: |
          raw=$(git log ^origin/${{ github.base_ref }} origin/${{ github.head_ref }} --merges --oneline)
          echo ::set-output name=greps::$( echo "$raw" | grep "Merge branch 'deploy\|Merge remote-tracking branch 'origin/deploy" )
          echo ::set-output name=count::$( echo "$raw" | grep "Merge branch 'deploy\|Merge remote-tracking branch 'origin/deploy" | wc -l )          

      - name: debug outputs
        run: |
          echo ${{ steps.get_log_changes.outputs.greps }}
          echo ${{ steps.get_log_changes.outputs.count }}          

      - name: fail if count
        if: ${{ steps.get_log_changes.outputs.count != 0 }}
        run: exit 1

---
on:
  - pull_request

jobs:
  pr-check1:
     runs-on: ubuntu-latest
     steps:

      - name: get commits and run checks
        # we need to cover the cases when commits contains merges from deployment branches:
        #  Merge remote-tracking branch 'origin/deployment/QA...' into feature/...
        #  Merge branch 'deployment/QA...' into feature/...
        id: get_log_changes
        run: |
          jq --version
          curl "${{ github.event.pull_request._links.commits.href }}?per_page=250" -s \
             -H "Accept: application/vnd.github.v3+json" \
             -H "Authorization: Bearer ${{ github.token }}" > /tmp/commits.json
          count=$(cat /tmp/commits.json | jq '.[].commit.message' | grep "Merge branch 'deploy\|Merge remote-tracking branch 'origin/deploy" | wc -l)
          echo ::set-output name=count::${count}          

      - name: fail if count is not zero
        if: ${{ steps.get_log_changes.outputs.count != 0 }}
        run: exit 1