Don't add triggers for arm/armlb/arm64 non-flow jobs

Author: BruceForstall

netci.groovy

@@ -1166,6 +1166,11 @@ def static addTriggers(def job, def branch, def isPR, def architecture, def os,
                     }
                     break
                 case 'Windows_NT':
+                    // Triggers on the non-flow jobs aren't necessary here
+                    if (!isFlowJob) {
+                        break
+                    }
+
                     // Set up a private trigger
                     def contextString = "${os} ${architecture} Cross ${configuration}"
                     def triggerString = "(?i).*test\\W+${os}\\W+${architecture}\\W+Cross\\W+${configuration}"
@@ -1262,6 +1267,11 @@ def static addTriggers(def job, def branch, def isPR, def architecture, def os,
                     }
                     break
                 case 'Windows_NT':
+                    // Triggers on the non-flow jobs aren't necessary here
+                    if (!isFlowJob) {
+                        break
+                    }
+
                     assert isArmWindowsScenario(scenario)
                     switch (scenario) {
                         case 'default':
@@ -1828,8 +1838,6 @@ def static calculateBuildCommands(def newJob, def scenario, def branch, def isPR
     return buildCommands
 }
 
-// Additional scenario which can alter behavior
-
 Constants.allScenarios.each { scenario ->
     [true, false].each { isPR ->
         Constants.architectureList.each { architecture ->
@@ -2059,7 +2067,7 @@ Constants.allScenarios.each { scenario ->
 
                     // Add all the standard options
                     Utilities.standardJobSetup(newJob, project, isPR, "*/${branch}")
-                    addTriggers(newJob, branch, isPR, architecture, os, configuration, scenario, false, isBuildOnly)
+                    addTriggers(newJob, branch, isPR, architecture, os, configuration, scenario, false, isBuildOnly) // isFlowJob==false
 
                     def buildCommands = calculateBuildCommands(newJob, scenario, branch, isPR, architecture, configuration, os, isBuildOnly)
                     def osGroup = getOSGroup(os)
@@ -2741,7 +2749,7 @@ build(params + [CORECLR_BUILD: coreclrBuildJob.build.number,
 
                     setMachineAffinity(newFlowJob, os, flowArch, affinityOptions)
                     Utilities.standardJobSetup(newFlowJob, project, isPR, "*/${branch}")
-                    addTriggers(newFlowJob, branch, isPR, architecture, os, configuration, scenario, true, false)
+                    addTriggers(newFlowJob, branch, isPR, architecture, os, configuration, scenario, true, false) // isFlowJob==true, isWindowsBuildOnlyJob==false
                 } // configuration
             } // os
         } // architecture