Run tests directly on github runner instead of in the docker image

As this makes it possible to run the tests on different systems. Initially
ubuntu (20.04 and 24.04) and macOs (13 and 15).

.github/workflows/test.yml

@@ -1,13 +1,98 @@
 ---
 name: Tests
+
 on:  # yamllint disable-line rule:truthy
   - push
   - pull_request
   - workflow_dispatch
+
+env:
+  SC_VER: "0.10.0"
+  ESH_VER: "0.3.2"
+
 jobs:
   Tests:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-20.04
+          - ubuntu-24.04
+          - macos-13
+          - macos-15
     steps:
-      - uses: actions/checkout@v2
-      - name: Tests
-        run: make test
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies on Linux
+        if: ${{ runner.os == 'Linux' }}
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y expect
+          if [ "${{ matrix.os }}" != "ubuntu-20.04" ]; then
+            sudo apt-get install -y j2cli
+          fi
+
+      - name: Install dependencies on macOS
+        if: ${{ runner.os == 'macOS' }}
+        run: |
+          brew install expect
+
+      - name: Prepare tools directory
+        run: |
+          mkdir "$RUNNER_TEMP/tools"
+          echo "$RUNNER_TEMP/tools" >> "$GITHUB_PATH"
+
+      - name: Install shellcheck
+        run: |
+          if [ "$RUNNER_OS" = "macOS" ]; then
+            OS=darwin
+          else
+            OS=linux
+          fi
+
+          if [ "$RUNNER_ARCH" = "ARM64" ]; then
+            ARCH=aarch64
+          else
+            ARCH=x86_64
+          fi
+
+          cd "$RUNNER_TEMP"
+
+          BASE_URL="https://github.com/koalaman/shellcheck/releases/download"
+          SC="v$SC_VER/shellcheck-v$SC_VER.$OS.$ARCH.tar.xz"
+          curl -L "$BASE_URL/$SC" | tar Jx shellcheck-v$SC_VER/shellcheck
+          mv shellcheck-v$SC_VER/shellcheck tools
+
+      - name: Install esh
+        run: |
+          cd "$RUNNER_TEMP/tools"
+
+          BASE_URL="https://github.com/jirutka/esh/raw/refs/tags"
+          curl -L -o esh "$BASE_URL/v$ESH_VER/esh"
+          chmod +x esh
+
+      - name: Add old yadm versions  # to test upgrades
+        run: |
+          for version in 1.12.0 2.5.0; do
+            git fetch origin $version:refs/tags/$version
+            git cat-file blob $version:yadm > "$RUNNER_TEMP/tools/yadm-$version"
+            chmod +x "$RUNNER_TEMP/tools/yadm-$version"
+          done
+
+      - name: Set up Python 3.11
+        if: ${{ runner.os == 'macOS' }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.11
+
+      - name: Install Python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -r test/requirements.txt
+
+      - name: Run tests
+        run: |
+          git config --global user.email [email protected]
+          git config --global user.name "Yadm Test"
+          pytest -v --color=yes --basetemp="$RUNNER_TEMP/pytest"