GitHub Actions: MSYS2 workflow

.github/workflows/cmake-msys2.yml

@@ -0,0 +1,36 @@
+name: CMake-MSYS2
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  BUILD_TYPE: Release
+
+jobs:
+  msys2-ucrt64:
+    runs-on: windows-latest
+    defaults:
+      run:
+        shell: msys2 {0}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: msys2/setup-msys2@v2
+        with:
+          msystem: UCRT64
+          update: true
+          pacboy: >-
+            cmake:p
+            gcc:p
+            glib2:p
+            libxml2:p
+
+      - name: Configure CMake
+        run: cmake -B build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DBUILD_TESTS=ON
+      - name: Build
+        run: cmake --build build --config ${{env.BUILD_TYPE}}
+      - name: Test
+        working-directory: ${{github.workspace}}/build
+        run: ctest -C ${{env.BUILD_TYPE}} --output-on-failure