Have dev-builds be interactive by default (#686)

RunCheckInTests.cmd

@@ -17,7 +17,7 @@ set MINIMAL_LAB=0
 REM These are provided to bxl.cmd only when /lab is specified (automated builds).
 REM For lab builds, log full outputs.
 REM For lab builds, retry unit tests automatically.
-set LAB_SPECIFIC_ARGS=/logOutput:FullOutputOnError /p:RetryXunitTests=1 /processRetries:3
+set LAB_SPECIFIC_ARGS=-DisableInteractive /logOutput:FullOutputOnError /p:RetryXunitTests=1 /processRetries:3
 set INTERNAL_BUILD_ARGS=/p:[Sdk.BuildXL]microsoftInternal=1
 
 if not defined [BuildXL.Branding]SemanticVersion (

Shared/Scripts/bxl.ps1

@@ -108,6 +108,8 @@ param(
 
     [switch]$PatchDev = $false,
 
+    [switch]$DisableInteractive = $false,
+
     [switch]$DoNotUseDefaultCacheConfigFilePath = $false,
 
     [switch]$UseL3Cache = $true,
@@ -512,6 +514,10 @@ if ($shouldDeploy -and $shouldClean) {
     }
 }
 
+if (-not $DisableInteractive) {
+    $AdditionalBuildXLArguments += "/Interactive+"
+}
+
 # let any freeform filter arguments take precedence over the default filter
 $skipFilter = $false;
 for($i = 0; $i -lt $DominoArguments.Count; $i++){