TEMPORARY: Try out environment variable

Author: daviwil

vscode-powershell.build.ps1

@@ -9,6 +9,11 @@ param(
 
 #Requires -Modules @{ModuleName="InvokeBuild";ModuleVersion="3.0.0"}
 
+$script:IsPullRequestBuild =
+    $env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_REPO_BRANCH -eq "develop"
+
+Write-Host "IS PR: $script:IsPullRequestBuild // PR: $($env:APPVEYOR_PULL_REQUEST_NUMBER), BRANCH: $($env:APPVEYOR_REPO_BRANCH)"
+
 task GetExtensionVersion -Before Package {
     $updateVersion = $false
     $script:ExtensionVersion = `
@@ -89,7 +94,7 @@ task Package {
     exec { & node ./node_modules/vsce/out/vsce package }
 }
 
-task UploadArtifacts -If { $env:AppVeyor } {
+task UploadArtifacts -If { $env:AppVeyor -and $script:IsPullRequestBuild -and $env:APPVEYOR_REPO_BRANCH } {
     Push-AppveyorArtifact .\PowerShell-$($script:ExtensionVersion).vsix
 }