Publish from Linux

We can revert this later when we have a better solution in place.

azure-pipelines.yml

@@ -27,28 +27,38 @@ jobs:
     inputs:
       pathtoPublish: 'bin'
       artifactName: 'nupkgs'
-  - task: NuGetCommand@2
-    condition: succeeded()
-    inputs:
-      command: push
-      nuGetFeedType: external
-      publishFeedCredentials: 'Jet-MyGet'
-      versioningScheme: byEnvVar
-      versionEnvVar: Version
-      packagesToPush: 'bin/*.nupkg;bin/*.symbols.nupkg'
 - job: Linux
   pool:
-    vmImage: 'ubuntu-16.04'
+    vmImage: 'ubuntu-16.04'    
   steps:
   - script: echo "##vso[task.setvariable variable=FrameworkPathOverride]$(dirname $(which mono))/../lib/mono/4.5/"
     displayName: Workaround .NET reference assemblies on linux
+  - powershell: |
+      $buildId = $env:BUILD_BUILDNUMBER.PadLeft(7, '0');
+      $versionSuffixPR = "ci-$buildId-pr$($env:SYSTEM_PULLREQUEST_PULLREQUESTNUMBER)";
+      $branchName = "$env:BUILD_SOURCEBRANCHNAME".Replace("_","");
+      $versionSuffixBRANCH = "$branchName.$buildId";
+      $isTag = "$env:BUILD_SOURCEBRANCH".StartsWith('refs/tags/');
+      $isPR = "$env:SYSTEM_PULLREQUEST_PULLREQUESTNUMBER" -ne ""
+      $versionSuffix = if ($isTag) { "" } else { if ($isPR) { $versionSuffixPR } else { $versionSuffixBRANCH } };
+      Write-Host "##vso[task.setvariable variable=VersionSuffix]$versionSuffix";
+    displayName: compute VersionSuffix    
   - script: dotnet msbuild build.proj
     displayName: Test + Build
   - task: PublishTestResults@2
     inputs:
       testResultsFormat: 'VSTest'
       testResultsFiles: 'tests/**/*.trx'
     condition: succeededOrFailed()
+  - task: NuGetCommand@2
+    condition: succeededOrFailed()
+    inputs:
+      command: push
+      nuGetFeedType: external
+      publishFeedCredentials: 'Jet-MyGet'
+      versioningScheme: byEnvVar
+      versionEnvVar: Version
+      packagesToPush: 'bin/*.nupkg;bin/*.symbols.nupkg'    
 - job: MacOS
   pool:
     vmImage: 'macOS-10.13'