Use private version of workflow

Author: aliphys

.github/workflows/compile-examples.yml

@@ -1,17 +1,17 @@
-# Source: https://github.com/per1234/.github/blob/main/workflow-templates/compile-examples.md
+# Source: https://github.com/per1234/.github/blob/main/workflow-templates/compile-examples-private.md
 name: Compile Examples
 
 # See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
 on:
   push:
     paths:
-      - ".github/workflows/compile-examples.ya?ml"
+      - ".github/workflows/compile-examples-private.ya?ml"
       - "library.properties"
       - "examples/**"
       - "src/**"
   pull_request:
     paths:
-      - ".github/workflows/compile-examples.ya?ml"
+      - ".github/workflows/compile-examples-private.ya?ml"
       - "library.properties"
       - "examples/**"
       - "src/**"
@@ -21,14 +21,17 @@ on:
   workflow_dispatch:
   repository_dispatch:
 
+env:
+  SKETCHES_REPORTS_PATH: sketches-reports
+  SKETCHES_REPORTS_ARTIFACT_NAME: sketches-reports
+
 jobs:
   build:
     name: ${{ matrix.board.fqbn }}
     runs-on: ubuntu-latest
-    permissions: {}
-
-    env:
-      SKETCHES_REPORTS_PATH: sketches-reports
+    permissions:
+      contents: read
+      pull-requests: read
 
     strategy:
       fail-fast: false
@@ -67,4 +70,28 @@ jobs:
         with:
           if-no-files-found: error
           path: ${{ env.SKETCHES_REPORTS_PATH }}
-          name: ${{ env.SKETCHES_REPORTS_PATH }}
+          name: ${{ env.SKETCHES_REPORTS_ARTIFACT_NAME }}
+
+  report-size-deltas:
+    needs: build
+    # Run even if some compilations failed.
+    if: always() && github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+
+    steps:
+      - name: Download sketches reports artifact
+        id: download-artifact
+        continue-on-error: true # If compilation failed for all boards then there are no artifacts
+        uses: actions/download-artifact@v3
+        with:
+          name: ${{ env.SKETCHES_REPORTS_ARTIFACT_NAME }}
+          path: ${{ env.SKETCHES_REPORTS_PATH }}
+
+      - name: Comment size deltas report to PR
+        uses: arduino/report-size-deltas@v1
+        # If actions/download-artifact failed, there are no artifacts to report from.
+        if: steps.download-artifact.outcome == 'success'
+        with:
+          sketches-reports-source: ${{ env.SKETCHES_REPORTS_PATH }}