- Run only linux-x64 portable officially

- Run centos.7 and banana.24 in rolling CI
- Run linux-x64 in PR

eng/pipelines/common/platform-matrix.yml

@@ -304,6 +304,31 @@ jobs:
         isNonPortableSourceBuild: true
         ${{ insert }}: ${{ parameters.jobParameters }}
 
+# Non-existent RID Source Build
+
+- ${{ if containsValue(parameters.platforms, 'SourceBuild_Banana24_x64') }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      helixQueuesTemplate: ${{ parameters.helixQueuesTemplate }}
+      variables: ${{ parameters.variables }}
+      osGroup: Linux
+      archType: x64
+      targetRid: banana.24-x64
+      platform: Banana24_Linux_x64
+      shouldContinueOnError: ${{ parameters.shouldContinueOnError }}
+      container:
+        image: centos-7-source-build-20210714125450-5d87b80
+        registry: mcr
+      jobParameters:
+        runtimeFlavor: ${{ parameters.runtimeFlavor }}
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        helixQueueGroup: ${{ parameters.helixQueueGroup }}
+        isSourceBuild: true
+        isNonPortableSourceBuild: true
+        ${{ insert }}: ${{ parameters.jobParameters }}
+
 # Portable Linux x64 Source Build
 
 - ${{ if containsValue(parameters.platforms, 'SourceBuild_Linux_x64') }}:

eng/pipelines/runtime-official.yml

@@ -364,23 +364,6 @@ stages:
         runTests: false
         useHelix: false
 
-  #
-  # Build Sourcebuild leg
-  #
-  - template: /eng/pipelines/common/platform-matrix.yml
-    parameters:
-      jobTemplate: /eng/pipelines/common/global-build-job.yml
-      buildConfig: Release
-      helixQueueGroup: ci
-      platforms:
-      - SourceBuild_Centos7_x64
-      jobParameters:
-        nameSuffix: Centos7SourceBuild
-        extraStepsTemplate: /eng/pipelines/common/upload-intermediate-artifacts-step.yml
-        extraStepsParameters:
-          name: SourceBuildPackages
-        timeoutInMinutes: 95
-
   - template: /eng/pipelines/common/platform-matrix.yml
     parameters:
       jobTemplate: /eng/pipelines/common/global-build-job.yml
@@ -395,7 +378,6 @@ stages:
           name: SourceBuildPackages
         timeoutInMinutes: 95
 
-
   #
   # Installer Build
   #

eng/pipelines/runtime.yml

@@ -1296,3 +1296,55 @@ jobs:
           eq(dependencies.evaluate_paths.outputs['SetPathVars_coreclr.containsChange'], true),
           eq(dependencies.evaluate_paths.outputs['SetPathVars_libraries.containsChange'], true),
           eq(variables['isRollingBuild'], true))
+
+#
+# Sourcebuild legs
+# We have 3 important legs for source-build:
+# - Centos.7 (ensures that RH keeps working)
+# - Linux-x64 portable (used for dependency flow and downstream PR verification)
+# - Banana.24 - Non-existent RID to ensure we don't break RIDs we don't know about.
+#
+# Running all of these everywhere is wasteful. Run Banana.24 and CentOS.7 in rolling CI,
+# Run Linux-x64 in PR.
+
+- template: /eng/pipelines/common/platform-matrix.yml
+  parameters:
+    jobTemplate: /eng/pipelines/common/global-build-job.yml
+    buildConfig: Release
+    helixQueueGroup: pr
+    platforms:
+    - SourceBuild_Centos7_x64
+    jobParameters:
+      nameSuffix: Centos7SourceBuild
+      extraStepsParameters:
+        name: SourceBuildPackages
+      timeoutInMinutes: 95
+      condition: eq(variables['isRollingBuild'], true)
+
+- template: /eng/pipelines/common/platform-matrix.yml
+  parameters:
+    jobTemplate: /eng/pipelines/common/global-build-job.yml
+    buildConfig: Debug
+    helixQueueGroup: pr
+    platforms:
+    - SourceBuild_Banana24_x64
+    jobParameters:
+      nameSuffix: Banana24SourceBuild
+      extraStepsParameters:
+        name: SourceBuildPackages
+      timeoutInMinutes: 95
+      condition: eq(variables['isRollingBuild'], true)
+
+- ${{ if eq(variables['isRollingBuild'], false) }}:
+  - template: /eng/pipelines/common/platform-matrix.yml
+      parameters:
+        jobTemplate: /eng/pipelines/common/global-build-job.yml
+        buildConfig: Release
+        helixQueueGroup: pr
+        platforms:
+        - SourceBuild_Linux_x64
+        jobParameters:
+          nameSuffix: PortableSourceBuild
+          extraStepsParameters:
+            name: SourceBuildPackages
+          timeoutInMinutes: 95