github workflow skip duplicate jobs

.github/workflows/elixir.yml

@@ -15,14 +15,29 @@ on:
     branches: [ "main" ]
 
 permissions:
+  actions: write
   contents: read
 
 jobs:
-  build:
+  pre_job:
+    name: check for duplicate checkers
+    # continue-on-error: true # Uncomment once integration is finished
+    runs-on: ubuntu-latest
+    # Map a step output to a job output
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+    - id: skip_check
+      uses: fkirc/skip-duplicate-actions@v5
+      with:
+        paths_ignore: '["**.md", "docs/**"]'
+        cancel_others: true
 
+  build:
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
     name: Build and test
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v4
     - uses: DeterminateSystems/nix-installer-action@main