[ci] Windows

Author: mxcl

.github/workflows/ci.yml

@@ -9,21 +9,25 @@ concurrency:
   group: ${{ github.head_ref }}
   cancel-in-progress: true
 jobs:
-  smoke:
+  lint:
     runs-on: ubuntu-latest
     steps:
     - uses: harupy/[email protected]
 
   linux:
-    name: linux
+    name: linux (${{ matrix.name }})
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        swift:
-        - 5.3
-        - 5.4-focal  # Swift 5.4 requires llvm-cov v11
+        include:
+        - swift: swift:5.3
+          name: 5.3
+        - swift: swift:5.4
+          name: 5.4
+        - swift: swiftlang/swift:nightly-5.5
+          name: 5.5
     container:
-      image: swift:${{ matrix.swift }}
+      image: ${{ matrix.swift }}
     steps:
     - uses: actions/checkout@v2
     - run: swift test --enable-code-coverage --parallel --enable-test-discovery
@@ -55,6 +59,8 @@ jobs:
         swift:
           - 5.3
           - 5.4
+          - 5.5
+    name: ${{ matrix.platform }} (${{ matrix.swift }})
     steps:
     - uses: actions/checkout@v2
     - run: |
@@ -68,5 +74,13 @@ jobs:
         platform: ${{ matrix.platform }}
         code-coverage: true
         warnings-as-errors: true
-      continue-on-error: ${{ matrix.swift == '5.4' }}
+      continue-on-error: ${{ matrix.swift == '5.5' }}
     - uses: codecov/codecov-action@v1
+
+  windows:
+    runs-on: windows-latest
+    steps:
+      - uses: seanmiddleditch/gha-setup-vsdevenv@v3
+      - uses: mxcl/setup-swift@v1
+      - uses: actions/checkout@v2
+      - run: swift test --parallel