ci: add debian integration tests

.github/workflows/installer.yml

@@ -81,3 +81,56 @@ jobs:
         run: |
           python install-poetry.py -y --uninstall
           { type poetry 2>/dev/null >&2 && exit 1; } || exit 0
+
+  # debian/ubuntu needs special testing due to various issues around python packaging
+  # and configuration
+  integration-ubuntu:
+    name: Integration Test / Ubuntu / ${{ matrix.tag }}
+    runs-on: ubuntu-latest
+    container: docker.io/ubuntu:${{ matrix.tag }}
+    strategy:
+      matrix:
+        tag:
+          - impish
+          - jammy
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install Packages
+        run: |
+          apt-get -y update
+          apt-get -y install python3 ca-certificates
+          apt-get -y install --reinstall python3-distutils
+
+      - name: Update PATH
+        run: echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+      - name: Install Poetry
+        env:
+          DEB_PYTHON_INSTALL_LAYOUT: "deb"
+        run: python3 install-poetry.py -y
+
+      - name: Upload Failure Log
+        uses: actions/upload-artifact@v2
+        if: failure()
+        with:
+          name: poetry-installer-error.log
+          path: poetry-installer-error-*.log
+
+      - name: Verify Installation
+        run: |
+          set -e
+          poetry new foobar
+          cd foobar
+          poetry config virtualenvs.in-project true
+          poetry env use python3
+          [ "$(poetry run python --version)" == "$(python3 --version)" ] \
+            || { echo >&2 "ERROR: Virtual environment Python version do not match system version." && exit 1; }
+
+      - name: Uninstall Poetry
+        run: |
+          python3 install-poetry.py -y --uninstall
+          { type poetry 2>/dev/null >&2 && exit 1; } || exit 0