[CI] Re-enable Windows CI job (jpsim#306)

Fixed in jpsim#305

Also take this opportunity to update the Swift snapshot to a more recent
version.

Author: jpsim

.github/workflows/swiftpm.yml

@@ -52,24 +52,23 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: seanmiddleditch/gha-setup-vsdevenv@master
-      - name: Install swift-DEVELOPMENT-SNAPSHOT-2020-10-29-a
-        run: Install-Binary -Url "https://swift.org/builds/development/windows10/swift-DEVELOPMENT-SNAPSHOT-2020-10-29-a/swift-DEVELOPMENT-SNAPSHOT-2020-10-29-a-windows10.exe" -Name "installer.exe" -ArgumentList ("-q")
+      - name: Install swift-DEVELOPMENT-SNAPSHOT-2021-02-18-a
+        run: |
+          Install-Binary -Url "https://swift.org/builds/development/windows10/swift-DEVELOPMENT-SNAPSHOT-2021-02-18-a/swift-DEVELOPMENT-SNAPSHOT-2021-02-18-a-windows10.exe" -Name "installer.exe" -ArgumentList ("-q")
       - name: Set Environment Variables
         run: |
           echo "SDKROOT=C:\Library\Developer\Platforms\Windows.platform\Developer\SDKs\Windows.sdk" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
           echo "DEVELOPER_DIR=C:\Library\Developer" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
       - name: Adjust Paths
-        run: echo "C:\Library\Developer\Toolchains\unknown-Asserts-development.xctoolchain\usr\bin;C:\Library\Swift-development\bin;C:\Library\icu-67\usr\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+        run: |
+          echo "C:\Library\Swift-development\bin;C:\Library\icu-67\usr\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+          echo "C:\Library\Developer\Toolchains\unknown-Asserts-development.xctoolchain\usr\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
       - name: Install Supporting Files
-        shell: cmd
         run: |
-          copy "%SDKROOT%\usr\share\ucrt.modulemap" "%UniversalCRTSdkDir%\Include\%UCRTVersion%\ucrt\module.modulemap"
-          copy "%SDKROOT%\usr\share\visualc.modulemap" "%VCToolsInstallDir%\include\module.modulemap"
-          copy "%SDKROOT%\usr\share\visualc.apinotes" "%VCToolsInstallDir%\include\visualc.apinotes"
-          copy "%SDKROOT%\usr\share\winsdk.modulemap" "%UniversalCRTSdkDir%\Include\%UCRTVersion%\um\module.modulemap"
-      # Broken. Re-enable when fixed. See https://github.com/jpsim/Yams/pull/304 for details and attempts to fix.
-      # - name: Build
-      #   run: swift build -v
+          Copy-Item "$env:SDKROOT\usr\share\ucrt.modulemap" -destination "$env:UniversalCRTSdkDir\Include\$env:UCRTVersion\ucrt\module.modulemap"
+          Copy-Item "$env:SDKROOT\usr\share\visualc.modulemap" -destination "$env:VCToolsInstallDir\include\module.modulemap"
+          Copy-Item "$env:SDKROOT\usr\share\visualc.apinotes" -destination "$env:VCToolsInstallDir\include\visualc.apinotes"
+          Copy-Item "$env:SDKROOT\usr\share\winsdk.modulemap" -destination "$env:UniversalCRTSdkDir\Include\$env:UCRTVersion\um\module.modulemap"
       # Commands to run once connected via SSH:
       #
       # >d:
@@ -84,5 +83,7 @@ jobs:
       #   with:
       #     NGROK_AUTH_TOKEN: ${{ secrets.NGROK_AUTH_TOKEN }}
       #     SSH_PASS: ${{ secrets.SSH_PASS }}
-      # - name: Test
-      #   run: swift test -v
+      - name: Build
+        run: swift build -v
+      - name: Test
+        run: swift test -v