Weekly Release Build (#1123) (#1125)

Author: nibanks

.azure/azure-pipelines.ci.yml

@@ -25,6 +25,15 @@ pr:
     - src/plugins/*
     - docs/*
 
+# Periodically rebuild release branches to make sure they are functional.
+schedules:
+- cron: "0 0 * * Mon"
+  displayName: Weekly Release Build
+  branches:
+    include:
+    - release/*
+  always: true
+
 name: 0.$(Date:yyyy).$(Date:MM).$(DayOfMonth).$(Rev:rr).0
 
 resources:
@@ -394,39 +403,39 @@ stages:
 # Mirror
 #
 
-- stage: mirror
-  displayName: Mirror Branch
-  dependsOn:
-  - build_windows
-  - build_winkernel
-  - build_linux
-  condition: and(in(variables['Build.Reason'], 'IndividualCI', 'BatchedCI'), not(startsWith(variables['Build.SourceBranch'], 'refs/heads/feature/')), succeeded())
-  jobs:
-  - job: mirror
-    displayName: Mirror
-    pool:
-      vmImage: windows-latest
-    steps:
-    - checkout: self
-      persistCredentials: true
-    - task: PowerShell@2
-      displayName: Sync Changes to AzDO Mirror Branch
-      inputs:
-        pwsh: true
-        filePath: scripts/sync-mirror.ps1
-        arguments: -Branch $(Build.SourceBranch)
-      env:
-        AzDO_PAT: $(AzDO_PAT)
+- ${{ if and(in(variables['Build.Reason'], 'IndividualCI', 'BatchedCI'), not(eq(variables['Build.Reason'], 'Schedule')), not(startsWith(variables['Build.SourceBranch'], 'refs/heads/feature/'))) }}:
+  - stage: mirror
+    displayName: Mirror Branch
+    dependsOn:
+    - build_windows
+    - build_winkernel
+    - build_linux
+    jobs:
+    - job: mirror
+      displayName: Mirror
+      pool:
+        vmImage: windows-latest
+      steps:
+      - checkout: self
+        persistCredentials: true
+      - task: PowerShell@2
+        displayName: Sync Changes to AzDO Mirror Branch
+        inputs:
+          pwsh: true
+          filePath: scripts/sync-mirror.ps1
+          arguments: -Branch $(Build.SourceBranch)
+        env:
+          AzDO_PAT: $(AzDO_PAT)
 
 #
 # Distribution
 #
 
-- stage: distribution
-  displayName: Distribution
-  dependsOn:
-  - build_windows
-  - build_linux
-  condition: and(in(variables['Build.Reason'], 'IndividualCI', 'BatchedCI'), not(startsWith(variables['Build.SourceBranch'], 'refs/heads/feature/')), succeeded())
-  jobs:
-  - template: ./templates/build-distribution.yml
+- ${{ if and(in(variables['Build.Reason'], 'IndividualCI', 'BatchedCI'), not(eq(variables['Build.Reason'], 'Schedule')), not(startsWith(variables['Build.SourceBranch'], 'refs/heads/feature/'))) }}:
+  - stage: distribution
+    displayName: Distribution
+    dependsOn:
+    - build_windows
+    - build_linux
+    jobs:
+    - template: ./templates/build-distribution.yml