first try at actions

.github/workflows/ci.yml

@@ -2,7 +2,53 @@ name: Abaddon CI
 
 on: [push, pull_request]
 
+
 jobs:
+  msys2:
+    name: msys2-mingw64
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        buildtype: [Debug, RelWithDebInfo, MinSizeRel]
+    defaults:
+      run:
+        shell: msys2 {0}
+    steps:
+      - uses: actions/checkout@v1
+        with:
+          submodules: true
+
+      - name: Fetch CMake
+        uses: lukka/get-cmake@v3.21.2
+
+      - name: Setup MSYS2
+        with:
+          msystem: mingw64
+          update: true
+          install: >-
+            git
+            make
+            mingw-w64-x86_64-toolchain
+            mingw-w64-x86_64-cmake
+            mingw-w64-x86_64-ninja
+            mingw-w64-x86_64-sqlite3
+            mingw-w64-x86_64-nlohmann-json
+            mingw-w64-x86_64-curl
+            mingw-w64-x86_64-zlib
+            mingw-w64-x86_64-gtkmm3
+
+      - name: Build
+        uses: lukka/run-cmake@v3
+        with:
+          buildDirectory: ${{ runner.workspace }}/build
+          cmakeBuildType: ${{ matrix.buildtype }}
+
+      - name: Upload build
+        uses: actions/upload-artifact@v2
+        with:
+          name: build-windows-msys2-${{ matrix.buildtype }}
+          path: ${{ runner.workspace }}/build
+
   windows:
     name: windows-${{ matrix.buildtype }}
     runs-on: windows-latest