Add cherry pick parameters to pipeline (#78178)

Validation -
https://devdiv.visualstudio.com/DevDiv/_git/VS/pullrequest/629206

Author: dibarbet

azure-pipelines-official.yml

@@ -44,6 +44,12 @@ parameters:
   type: boolean
   default: true
 
+# An optional VS commit SHA that will be automatically cherry-picked
+# to the insertion PR created by this build.
+- name: VisualStudioCherryPickSHA
+  type: string
+  default: '(default)'
+
 schedules:
   - cron: "0 8 23-29 * 0"
     displayName: "Monthly smoke test"
@@ -394,6 +400,7 @@ extends:
             publishDataURI: "https://dev.azure.com/dnceng/internal/_apis/git/repositories/dotnet-roslyn/items?path=eng/config/PublishData.json&api-version=6.0"
             publishDataAccessToken: "$(System.AccessToken)"
             dropPath: '$(Pipeline.Workspace)\VSSetup'
+            cherryPick: ${{ parameters.VisualStudioCherryPickSHA }}
 
     - ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
       - template: /eng/common/templates-official/post-build/post-build.yml@self

azure-pipelines-pr-validation.yml

@@ -22,6 +22,9 @@ parameters:
 - name: OptionalTitlePrefix
   type: string
   default: '[PR Validation]'
+- name: VisualStudioCherryPickSHA
+  type: string
+  default: '(default)'
 - name: InsertToolset
   type: boolean
   default: true
@@ -323,6 +326,7 @@ extends:
             queueSpeedometerValidation: true
             dropPath: '$(Pipeline.Workspace)\VSSetup'
             retainInsertedBuild: false
+            cherryPick: ${{ parameters.VisualStudioCherryPickSHA }}
         # Arcade is done so we can set BuildNumber back
         - powershell: Write-Host "##vso[build.updatebuildnumber]$(FancyBuildNumber)"
           displayName: Reset BuildNumber

eng/pipelines/insert.yml

@@ -50,6 +50,9 @@ parameters:
     type: string
     default: ''
 
+  - name: cherryPick
+    type: string
+
 steps:
   - checkout: none
 
@@ -183,7 +186,7 @@ steps:
       .\RIT\tools\net472\OneOffInsertion.ps1 `
         -autoComplete "$(Template.AutoComplete)" `
         -buildQueueName "$(Build.DefinitionName)" `
-        -cherryPick "(default)" `
+        -cherryPick "${{ parameters.cherryPick }}" `
         -userName "$(Template.BuildUserName)" `
         -password "$(Template.BuildPassword)" `
         -componentUserName "$(Template.ComponentUserName)" `