Optionally skip the CI pipeline if the PR contains the skip-ci label (#…

…426)

* Adds a new `has_skip_ci_label` output to the `prepare` job.
* Skips the rest of the pipeline when true

Authors:
  - David Gardner (https://github.com/dagardner-nv)

Approvers:
  - Michael Demoret (https://github.com/mdemoret-nv)

URL: #426

.github/workflows/pr.yaml

@@ -50,11 +50,6 @@ jobs:
       - ci_pipe
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/[email protected]
-  checks:
-    secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/[email protected]
-    with:
-      enable_check_generated_files: false
   prepare:
     name: Prepare
     runs-on: ubuntu-latest
@@ -70,11 +65,22 @@ jobs:
       is_main_branch: ${{ github.ref_name == 'main' }}
       is_dev_branch: ${{ startsWith(github.ref_name, 'branch-') }}
       has_conda_build_label: ${{ steps.get-pr-info.outcome == 'success' && contains(fromJSON(steps.get-pr-info.outputs.pr-info).labels.*.name, 'conda-build') || false }}
+      has_skip_ci_label: ${{ steps.get-pr-info.outcome == 'success' && contains(fromJSON(steps.get-pr-info.outputs.pr-info).labels.*.name, 'skip-ci') || false }}
       pr_info: ${{ steps.get-pr-info.outcome == 'success' && steps.get-pr-info.outputs.pr-info || '' }}
+
+  checks:
+    needs: [prepare]
+    if: ${{ ! fromJSON(needs.prepare.outputs.has_skip_ci_label) }}
+    secrets: inherit
+    uses: rapidsai/shared-workflows/.github/workflows/[email protected]
+    with:
+      enable_check_generated_files: false
+
   ci_pipe:
     name: CI Pipeline
     needs: [prepare]
     uses: ./.github/workflows/ci_pipe.yml
+    if: ${{ ! fromJSON(needs.prepare.outputs.has_skip_ci_label) }}
     with:
       # Run checks for any PR branch
       run_check: ${{ fromJSON(needs.prepare.outputs.is_pr) }}