Consolidate CI/CD into a single workflow

Author: aiudirog

.github/workflows/ci.yml

@@ -0,0 +1,97 @@
+name: tests
+
+on:
+  pull_request:
+  push:
+    branches:
+      - '*'
+    tags:
+      - 'v*'
+
+jobs:
+
+  flake8:
+    name: Flake8
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2.4.0
+      - name: Set Up Python
+        uses: actions/setup-python@v2.3.1
+        with:
+          python-version: '3.8'
+      - name: Install dependencies
+        run: |
+          python -m pip install -U pip
+          python -m pip install flake8
+      - name: Check
+        run: python -m flake8
+
+  test:
+    name: Test
+    needs: flake8
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python: [ '3.6', '3.7', '3.8', '3.9', '3.10' ]
+    steps:
+      - uses: actions/checkout@v2.4.0
+      - name: Setup Build Tools
+        run: sudo apt-get install -y libkrb5-dev krb5-user krb5-kdc krb5-admin-server krb5-multidev
+      - name: Set Up Python
+        uses: actions/setup-python@v2.3.1
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Install dependencies
+        run: |
+          python -m pip install -U pip
+          python -m pip install -U setuptools wheel
+          python -m pip install -U -r requirements.txt pytest-coverage codecov
+      - name: Run Tests
+        run: python -m pytest --cov=httpx_gssapi --cov-report=xml
+      - name: Upload Coverage
+        run: python -m codecov --token=${{ secrets.CODECOV_TOKEN }}
+
+  publish:
+    if: startsWith(github.ref, 'refs/tags/')
+    name: Create Release
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v2.4.0
+        with:
+          fetch-depth: 0
+      - name: Set Up Python
+        uses: actions/setup-python@v2.3.1
+        with:
+          python-version: '3.8'
+      - name: Install dependencies
+        run: |
+          python -m pip install -U pip
+          python -m pip install -U setuptools wheel
+      - name: Build
+        run: python setup.py sdist bdist_wheel
+      - name: Change Log
+        id: change_log
+        run: >-
+          echo "::set-output name=text::$(
+          git --no-pager log --pretty=format:'- %s (%h)'
+          `git describe --abbrev=0 --tags HEAD^1`..HEAD
+          )"
+      - name: Create Release
+        id: create_release
+        uses: ncipollo/release-action@v1
+        with:
+          tag: ${{ github.ref }}
+          name: Release ${{ github.ref }}
+          body: |
+            Change Log:
+            ${{ steps.change_log.outputs.text }}
+          draft: true  # Give me a moment to fill in the description
+          artifacts: "dist/*"
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Publish
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_TOKEN }}