[main] Add no-cache parameter to samples pipeline (#7197)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: lbussell <36081148+lbussell@users.noreply.github.com>

Author: 3 people

eng/pipelines/dotnet-core-samples.yml

@@ -11,6 +11,15 @@ parameters:
   type: string
   default: $(Build.BuildId)
 
+- name: noCache
+  displayName: >
+    Run build with no cache. When this is unchecked, the build will use the
+    info in the dotnet/versions repo to build only the images which have had
+    Dockerfile changes or base images updates. When this is checked, all images
+    will be built regardless of caching status.
+  type: boolean
+  default: false
+
 variables:
 - template: /eng/pipelines/variables/samples.yml@self
 - template: /eng/docker-tools/templates/variables/dotnet/secrets.yml@self
@@ -36,6 +45,7 @@ extends:
         stagesTemplateParameters:
           versionsRepoRef: VersionsRepo
           sourceBuildPipelineRunId: ${{ parameters.sourceBuildPipelineRunId }}
+          noCache: ${{ parameters.noCache }}
           additionalServiceConnections:
           - name: $(kusto.serviceConnectionName)
           - name: $(marStatus.serviceConnectionName)