- Using wildcards for .NET runtimes (except ARM64).

Author: paulmedynski

eng/pipelines/common/templates/jobs/ci-run-tests-job.yml

@@ -113,8 +113,12 @@ jobs:
     parameters:
       ${{ if parameters.isArm64 }}:
         architecture: arm64
+        # ARM64 needs to specify slightly different runtime version formats.
+        # See the install-dotnet template docs for more info.
+        runtimes: ['8.0', '9.0']
+      ${{ else }}:
+        runtimes: [8.x, 9.x]
       debug: ${{ parameters.debug }}
-      runtimes: ['8.x', '9.x']
 
   - ${{ if ne(parameters.prebuildSteps, '') }}:
     - ${{ parameters.prebuildSteps }} # extra steps to run before the build like downloading sni and the required configuration
@@ -280,7 +284,7 @@ jobs:
           architecture: x86
           debug: ${{ parameters.debug }}
           installDir: $(dotnetx86RootPath)
-          runtimes: ['8.x', '9.x']
+          runtimes: [8.x, 9.x]
 
     - template: ../steps/run-all-tests-step.yml@self
       parameters:

eng/pipelines/common/templates/steps/pre-build-step.yml

@@ -7,7 +7,7 @@ steps:
   # Install the .NET SDK and Runtimes.
   - template: /eng/pipelines/steps/install-dotnet.yml@self
     parameters:
-      runtimes: ['8.0', '9.0']
+      runtimes: [8.x, 9.x]
 
   - script: SET
     displayName: 'Print Environment Variables'

eng/pipelines/jobs/stress-tests-ci-job.yml

@@ -134,7 +134,7 @@ jobs:
   # Install the .NET SDK and Runtimes.
   - template: /eng/pipelines/steps/install-dotnet.yml@self
     parameters:
-      runtimes: ['8.x', '9.x']
+      runtimes: [8.x, 9.x]
 
   # Download the pipeline artifact that contains the MDS package to test.
   - task: DownloadPipelineArtifact@2

eng/pipelines/steps/install-dotnet-arm64.ps1

@@ -65,7 +65,7 @@ if ($Debug)
 }
 
 #------------------------------------------------------------------------------
-# Download the dotnet-install.ps1 script it if isn't already present.
+# Download the dotnet-install.ps1 script if it isn't already present.
 
 if (-not (Test-Path -Path "$InstallDir/dotnet-install.ps1" -PathType Leaf))
 {
@@ -116,6 +116,7 @@ if ($Debug)
 }
 
 & ./dotnet-install.ps1 -Verbose:$Debug -DryRun:$DryRun @installParams
+
 #------------------------------------------------------------------------------
 # Install the Runtimes, if any.
 

eng/pipelines/steps/install-dotnet.yml

@@ -37,7 +37,7 @@ parameters:
   # The list of .NET Runtimes to install, if any.
   #
   # When architecture is arm64, these must adhere to the format expected by the
-  # dotnet-install.ps1 script:
+  # dotnet-install.ps1 script's -Channel option:
   #
   # https://learn.microsoft.com/en-us/dotnet/core/tools/dotnet-install-script
   #