Sync eng/common directory with azure-sdk-tools for PR 2484 (Azure#26282)

* Add weekly pipeline generation to prepare-pipelines template

* Add succeeded condition to pipeline generation pipelines

Co-authored-by: Ben Broderick Phillips <bebroder@microsoft.com>

Author: azure-sdk

eng/common/pipelines/templates/steps/prepare-pipelines.yml

@@ -71,7 +71,26 @@ steps:
         --debug
         ${{parameters.TestsConventionOptions}}
       displayName: Create Live Test pipelines for public repository
-      condition: ne('${{parameters.TestsConventionOptions}}','')
+      condition: and(succeeded(), ne('${{parameters.TestsConventionOptions}}',''))
+      env:
+        PATVAR: $(azuresdk-azure-sdk-devops-pipeline-generation-pat)
+    - script: >
+        $(Pipeline.Workspace)/pipeline-generator/pipeline-generator
+        --organization https://dev.azure.com/azure-sdk
+        --project internal
+        --prefix ${{parameters.Prefix}}
+        --devopspath "\${{parameters.Prefix}}"
+        --path $(System.DefaultWorkingDirectory)/sdk
+        --endpoint Azure
+        --repository ${{parameters.Repository}}
+        --convention weekly
+        --agentpool Hosted
+        --branch refs/heads/$(DefaultBranch)
+        --patvar PATVAR
+        --debug
+        ${{parameters.TestsConventionOptions}}
+      displayName: Create Weekly (Multi-Cloud) Live Test pipelines for public repository
+      condition: and(succeeded(), ne('${{parameters.TestsConventionOptions}}',''))
       env:
         PATVAR: $(azuresdk-azure-sdk-devops-pipeline-generation-pat)
 
@@ -132,6 +151,6 @@ steps:
         --no-schedule
         ${{parameters.TestsConventionOptions}}
       displayName: Create Live Test pipelines for private repository
-      condition: ne('${{parameters.TestsConventionOptions}}','')
+      condition: and(succeeded(), ne('${{parameters.TestsConventionOptions}}',''))
       env:
         PATVAR: $(azuresdk-azure-sdk-devops-pipeline-generation-pat)