Refactor CI workflow

.github/workflows/ci.yml

@@ -16,65 +16,15 @@ jobs:
           cargo fmt -- --version
           cargo fmt --all -- --check
 
-  windows:
-    runs-on: windows-2019
-    steps:
-      - uses: actions/checkout@v4
+  build:
+    strategy:
+      matrix:
+        os:
+          - windows-2019
+          - ubuntu-20.04
 
-      - uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            target/
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+    runs-on: ${{ matrix.os }}
 
-      - name: Prepare test resources
-        run: |
-          cd tests
-
-          (New-Object Net.WebClient).DownloadFile('https://github.com/Ortham/testing-plugins/archive/1.4.0.zip', "$PWD/1.4.0.zip")
-          7z x 1.4.0.zip
-          mv testing-plugins-1.4.0 testing-plugins
-
-          (New-Object Net.WebClient).DownloadFile('https://github.com/loot/libloot/releases/download/0.18.2/libloot-0.18.2-0-gb1a9e31_0.18.2-win32.7z', "$PWD/libloot_win32.7z")
-          7z x libloot_win32.7z
-          mv libloot-0.18.2-0-gb1a9e31_0.18.2-win32 libloot_win32
-
-          (New-Object Net.WebClient).DownloadFile('https://github.com/loot/libloot/releases/download/0.18.2/libloot-0.18.2-0-gb1a9e31_0.18.2-win64.7z', "$PWD/libloot_win64.7z")
-          7z x libloot_win64.7z
-          mv libloot-0.18.2-0-gb1a9e31_0.18.2-win64 libloot_win64
-
-          (New-Object Net.WebClient).DownloadFile('https://github.com/loot/loot-api-python/releases/download/4.0.2/loot_api_python-4.0.2-0-gd356ac2_master-python2.7-win32.7z', "$PWD/loot_api_python.7z")
-          7z x loot_api_python.7z
-          mv loot_api_python-4.0.2-0-gd356ac2_master-python2.7-win32 loot_api_python
-
-          cd ..
-
-      - name: Build and run tests
-        run: cargo test --all --all-features
-
-      # Need to rebuild the FFI wrapper so that its binary is given a filename
-      # without a hash.
-      - name: Build FFI wrapper
-        run: |
-          cargo build --manifest-path ffi/Cargo.toml
-          cbindgen ffi/ -o ffi/include/loot_condition_interpreter.h
-
-      # Use bash because PowerShell doesn't fail if one command fails.
-      - name: Build and run C++ tests
-        shell: bash
-        run: |
-          mkdir ffi/build
-          cd ffi/build
-          cmake ..
-          cmake --build .
-          ctest
-
-  linux:
-    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v4
 
@@ -90,43 +40,51 @@ jobs:
 
       - name: Install cargo-llvm-cov
         uses: taiki-e/install-action@cargo-llvm-cov
+        if: runner.os == 'Linux'
 
       - name: Prepare test resources
+        shell: bash
         run: |
           cd tests
 
-          wget https://github.com/Ortham/testing-plugins/archive/1.4.1.tar.gz
-          tar -xf 1.4.1.tar.gz
-          mv testing-plugins-1.4.1 testing-plugins
+          curl -sSfLO 'https://github.com/Ortham/testing-plugins/archive/1.4.0.zip'
+          7z x 1.4.0.zip
+          mv testing-plugins-1.4.0 testing-plugins
 
-          wget https://github.com/loot/libloot/releases/download/0.18.2/libloot-0.18.2-0-gb1a9e31_0.18.2-win32.7z
+          curl -sSfLO 'https://github.com/loot/libloot/releases/download/0.18.2/libloot-0.18.2-0-gb1a9e31_0.18.2-win32.7z'
           7z x libloot-0.18.2-0-gb1a9e31_0.18.2-win32.7z
           mv libloot-0.18.2-0-gb1a9e31_0.18.2-win32 libloot_win32
 
-          wget https://github.com/loot/libloot/releases/download/0.18.2/libloot-0.18.2-0-gb1a9e31_0.18.2-win64.7z
+          curl -sSfLO 'https://github.com/loot/libloot/releases/download/0.18.2/libloot-0.18.2-0-gb1a9e31_0.18.2-win64.7z'
           7z x libloot-0.18.2-0-gb1a9e31_0.18.2-win64.7z
           mv libloot-0.18.2-0-gb1a9e31_0.18.2-win64 libloot_win64
 
-          wget https://github.com/loot/loot-api-python/releases/download/4.0.2/loot_api_python-4.0.2-0-gd356ac2_master-python2.7-win32.7z
+          curl -sSfLO 'https://github.com/loot/loot-api-python/releases/download/4.0.2/loot_api_python-4.0.2-0-gd356ac2_master-python2.7-win32.7z'
           7z x loot_api_python-4.0.2-0-gd356ac2_master-python2.7-win32.7z
           mv loot_api_python-4.0.2-0-gd356ac2_master-python2.7-win32 loot_api_python
 
           cd ..
 
+      - name: Build and run tests
+        run: cargo test --workspace
+        if: runner.os != 'Linux'
+
       - name: Build and run tests with code coverage
         run: cargo llvm-cov --workspace --lcov --output-path lcov.info
+        if: runner.os == 'Linux'
 
       - name: Upload code coverage to Coveralls
         uses: coverallsapp/github-action@v2
+        if: runner.os == 'Linux'
 
       # Need to rebuild the FFI wrapper so that its binary is given a filename
       # without a hash.
       - name: Build FFI wrapper
+        shell: bash
         run: |
           cargo build --manifest-path ffi/Cargo.toml
           cbindgen ffi/ -o ffi/include/loot_condition_interpreter.h
 
-      # Use bash because PowerShell doesn't fail if one command fails.
       - name: Build and run C++ tests
         shell: bash
         run: |