azure-pipelines: Allow a repository to specify additional setup steps

azure-pipelines/1esmain.yml

@@ -6,6 +6,9 @@ parameters:
   - name: useAzureFederatedCredentials
     type: boolean
     default: false
+  - name: additionalSetupSteps
+    type: stepList
+    default: []
 
 # `resources` specifies the location of templates to pick up, use it to get 1ES templates
 resources:
@@ -32,3 +35,4 @@ extends:
       - template: ./1esstages.yml
         parameters:
           useAzureFederatedCredentials: ${{ parameters.useAzureFederatedCredentials }}
+          additionalSetupSteps: ${{ parameters.additionalSetupSteps }}

azure-pipelines/1esstages.yml

@@ -7,6 +7,9 @@ parameters:
   - name: "useAzureFederatedCredentials"
     type: boolean
     default: false
+  - name: additionalSetupSteps
+    type: stepList
+    default: []
 
 stages:
   - stage: BuildStage
@@ -20,6 +23,8 @@ stages:
                   artifactName: Build ${{ job.name }}
             steps:
               - template: ./templates/setup.yml
+                parameters:
+                  additionalSetupSteps: ${{ parameters.additionalSetupSteps }}
               - template: ./templates/build.yml
               - template: ./templates/1espackage.yml
               - template: ./templates/test.yml

azure-pipelines/templates/setup.yml

@@ -1,3 +1,8 @@
+parameters:
+  - name: additionalSetupSteps
+    type: stepList
+    default: []
+
 steps:
   - task: NodeTool@0
     displayName: "\U0001F449 Using Node.js"
@@ -19,3 +24,5 @@ steps:
       echo ">>> Started xvfb"
     displayName: "\U0001F449 Start X Virtual Frame Buffer"
     condition: and(succeeded(), eq(variables['Agent.OS'], 'Linux'))
+
+  - ${{ parameters.additionalSetupSteps }}