Trigger CI on push or pull_request but not both (#5142)

.github/workflows/ci-additional.yaml

@@ -9,12 +9,26 @@ on:
   workflow_dispatch: # allows you to trigger manually
 
 jobs:
-  detect-ci-trigger:
-    name: detect ci trigger
+  skip-duplicate-jobs:
     runs-on: ubuntu-latest
     if: |
       github.repository == 'pydata/xarray'
       && (github.event_name == 'push' || github.event_name == 'pull_request')
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        uses: fkirc/[email protected]
+        with:
+          # For workflows which are triggered concurrently with the same
+          # contents, attempt to execute them exactly once.
+          concurrent_skipping: 'same_content_newer'
+          paths_ignore: '["**/doc/**"]'
+  detect-ci-trigger:
+    name: detect ci trigger
+    runs-on: ubuntu-latest
+    needs: skip-duplicate-jobs
+    if: ${{ needs.skip-duplicate-jobs.outputs.should_skip != 'true' }}
     outputs:
       triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
     steps:
@@ -115,7 +129,8 @@ jobs:
   doctest:
     name: Doctests
     runs-on: "ubuntu-latest"
-    if: github.repository == 'pydata/xarray'
+    needs: skip-duplicate-jobs
+    if: ${{ needs.skip-duplicate-jobs.outputs.should_skip != 'true' }}
     defaults:
       run:
         shell: bash -l {0}

.github/workflows/ci.yaml

@@ -9,12 +9,27 @@ on:
   workflow_dispatch: # allows you to trigger manually
 
 jobs:
-  detect-ci-trigger:
-    name: detect ci trigger
+  skip-duplicate-jobs:
     runs-on: ubuntu-latest
     if: |
       github.repository == 'pydata/xarray'
       && (github.event_name == 'push' || github.event_name == 'pull_request')
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        uses: fkirc/[email protected]
+        with:
+          # For workflows which are triggered concurrently with the same
+          # contents, attempt to execute them exactly once.
+          concurrent_skipping: 'same_content_newer'
+          paths_ignore: '["**/doc/**"]'
+
+  detect-ci-trigger:
+    name: detect ci trigger
+    needs: skip-duplicate-jobs
+    if: ${{ needs.skip-duplicate-jobs.outputs.should_skip != 'true' }}
+    runs-on: ubuntu-latest
     outputs:
       triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
     steps:
@@ -110,6 +125,8 @@ jobs:
 
   event_file:
     name: "Event File"
+    needs: skip-duplicate-jobs
+    if: ${{ needs.skip-duplicate-jobs.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     steps:
       - name: Upload

.github/workflows/publish-test-results.yaml

@@ -9,10 +9,30 @@ on:
       - completed
 
 jobs:
+
+  skip-duplicate-jobs:
+    runs-on: ubuntu-latest
+    if: |
+      github.repository == 'pydata/xarray'
+      && (github.event_name == 'push' || github.event_name == 'pull_request')
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        uses: fkirc/[email protected]
+        with:
+          # For workflows which are triggered concurrently with the same
+          # contents, attempt to execute them exactly once.
+          concurrent_skipping: 'same_content_newer'
+          paths_ignore: '["**/doc/**"]'
+
   publish-test-results:
     name: Publish test results
     runs-on: ubuntu-latest
-    if: github.event.workflow_run.conclusion != 'skipped'
+    needs: skip-duplicate-jobs
+    if: |
+      needs.skip-duplicate-jobs.outputs.should_skip != 'true'
+      && github.event.workflow_run.conclusion != 'skipped'
 
     steps:
       - name: Download and extract artifacts