Add Mac agent to Actions workflow.

.github/workflows/build.yml

@@ -32,11 +32,50 @@ on:
         default: "linux-x64"
 
 jobs:
+  build-mac:
+     runs-on: macos-10.15
+  
+  steps:
+    - name: Checkout
+      uses: actions/checkout@v2
 
-  build:
+    - name: Install .NET Core
+      uses: actions/setup-dotnet@v1.7.2
+
+    - name: Set current version
+      shell: powershell
+      run: |
+        $VersionString = git show -s --format=%ci
+        $VersionDate = [DateTimeOffset]::Parse($VersionString)
+
+        $Year = $VersionDate.Year.ToString()
+        $Month = $VersionDate.Month.ToString().PadLeft(2, "0")
+        $Day = $VersionDate.Day.ToString().PadLeft(2, "0")
+        $Hour = $VersionDate.Hour.ToString().PadLeft(2, "0")
+        $Minute = $VersionDate.Minute.ToString().PadLeft(2, "0")
+        $CurrentVersion = "$Year.$Month.$Day.$Hour$Minute"
+        
+        echo "CurrentVersion=$CurrentVersion" >> $GITHUB_ENV
+
+        Write-Host "Setting current version to $CurrentVersion."
+
+      - name: Set current version
+        shell: powershell
+        run: |
+          dotnet publish /p:Version=$env:CurrentVersion /p:FileVersion=$env:CurrentVersion --runtime osx-x64 --configuration Release --output "./Agent/bin/publish" ".\Agent"
+          Compress-Archive -Path "./Agent/bin/publish/*" -DestinationPath "./Agent/bin/Remotely-MacOS-x64.zip" -Force
+
+    - name: Upload build artifact
+      uses: actions/upload-artifact@v2
+      with:
+        path: ./Agent/bin/Remotely-MacOS-x64.zip
+        name: Mac-Agent-x64
+     
+  build-windows:
 
     runs-on: windows-latest  # For a list of available runner types, refer to
                              # https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions#jobsjob_idruns-on
+    needs: build-mac
 
     env:
       Solution_Name: Remotely.sln      
@@ -46,6 +85,13 @@ jobs:
       ServerUrl: ${{ github.event.inputs.serverUrl }}
 
     steps:
+
+    - uses: actions/download-artifact@v2
+      with:
+        name: Mac-Agent-x64
+        path: ./Server/wwwroot/Content/Remotely-MacOS-x64.zip
+
+        
     - name: Checkout
       uses: actions/checkout@v2
       with: