Add a basic azure pipelines config

.appveyor/msys2.sh

@@ -3,7 +3,8 @@ set -e
 export MSYS2_FC_CACHE_SKIP=1
 pacman --noconfirm -Suy --force
 pacman --noconfirm -S --needed mingw-w64-$MSYS2_ARCH-cairo \
-    mingw-w64-$MSYS2_ARCH-$PYTHON mingw-w64-$MSYS2_ARCH-$PYTHON-pip
+    mingw-w64-$MSYS2_ARCH-$PYTHON mingw-w64-$MSYS2_ARCH-$PYTHON-pip \
+    mingw-w64-$MSYS2_ARCH-toolchain
 $PYTHON -m pip install pytest coverage codecov hypothesis
 $PYTHON -m pip install mypy || true
 

.azure-pipelines/ci.yml

@@ -0,0 +1,38 @@
+jobs:
+  - job: MSYS2
+    timeoutInMinutes: 60
+    pool:
+      vmImage: vs2017-win2016
+    strategy:
+      maxParallel: 4
+      matrix:
+        py2-i686:
+          MSYSTEM: MINGW32
+          MINGW_ARCH: i686
+          PYTHON: python2
+        py2-x86_64:
+          MSYSTEM: MINGW64
+          MINGW_ARCH: x86_64
+          PYTHON: python2
+        py3-i686:
+          MSYSTEM: MINGW32
+          MINGW_ARCH: i686
+          PYTHON: python3
+        py3-x86_64:
+          MSYSTEM: MINGW64
+          MINGW_ARCH: x86_64
+          PYTHON: python3
+    steps:
+      - script: |
+          git clone https://github.com/lazka/msys2-ci-base.git %CD:~0,2%\msys64
+        displayName: Install MSYS2
+      - script: |
+          set PATH=%CD:~0,2%\msys64\usr\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem
+          %CD:~0,2%\msys64\usr\bin\pacman --noconfirm -Syyuu
+        displayName: Update MSYS2
+      - script: |
+          set PATH=C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem
+          %CD:~0,2%\msys64\usr\bin\bash -lc "bash -x .appveyor/msys2.sh"
+        displayName: Test
+        env:
+          CHERE_INVOKING: yes