From 0df141752c42f1efefce2c48ca759d707e4ac76f Mon Sep 17 00:00:00 2001
From: Stefan Krastanov <stefan@krastanov.org>
Date: Sat, 24 Sep 2022 12:14:17 -0400
Subject: [PATCH] update the invalidations tracking workflow

---
 .github/workflows/invalidations.yml | 43 +++++++++++++++++------------
 1 file changed, 25 insertions(+), 18 deletions(-)

diff --git a/.github/workflows/invalidations.yml b/.github/workflows/invalidations.yml
index 647200894..af4c15807 100644
--- a/.github/workflows/invalidations.yml
+++ b/.github/workflows/invalidations.yml
@@ -1,33 +1,40 @@
 name: Invalidations
-on: pull_request
+
+on:
+  pull_request:
+
+concurrency:
+  # Skip intermediate builds: always.
+  # Cancel intermediate builds: always.
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   evaluate:
+    # Only run on PRs to the default branch.
+    # In the PR trigger above branches can be specified only explicitly whereas this check should work for master, main, or any other default branch
+    if: github.base_ref == github.event.repository.default_branch
     runs-on: ubuntu-latest
     steps:
     - uses: julia-actions/setup-julia@v1
       with:
-        version: 'nightly'
-    - uses: actions/checkout@v2
-    - uses: julia-actions/julia-buildpkg@latest
+        version: '1'
+    - uses: actions/checkout@v3
+    - uses: julia-actions/julia-buildpkg@v1
     - uses: julia-actions/julia-invalidations@v1
       id: invs_pr
-    
-    - uses: actions/checkout@v2
+
+    - uses: actions/checkout@v3
       with:
-        ref: 'master'
-    - uses: julia-actions/julia-buildpkg@latest
+        ref: ${{ github.event.repository.default_branch }}
+    - uses: julia-actions/julia-buildpkg@v1
     - uses: julia-actions/julia-invalidations@v1
-      id: invs_master
+      id: invs_default
     
     - name: Report invalidation counts
       run: |
-        echo "Invalidations on master: ${{ steps.invs_master.outputs.total }} (${{ steps.invs_master.outputs.deps }} via deps)"
-        echo "This branch: ${{ steps.invs_pr.outputs.total }} (${{ steps.invs_pr.outputs.deps }} via deps)"
-      shell: bash
-    - name: PR doesn't increase number of invalidations
-      run: |
-        if (( ${{ steps.invs_pr.outputs.total }} > ${{ steps.invs_master.outputs.total }} )); then
-            exit 1
-        fi
-      shell: bash
+        echo "Invalidations on default branch: ${{ steps.invs_default.outputs.total }} (${{ steps.invs_default.outputs.deps }} via deps)" >> $GITHUB_STEP_SUMMARY
+        echo "This branch: ${{ steps.invs_pr.outputs.total }} (${{ steps.invs_pr.outputs.deps }} via deps)" >> $GITHUB_STEP_SUMMARY
+    - name: Check if the PR does increase number of invalidations
+      if: steps.invs_pr.outputs.total > steps.invs_default.outputs.total
+      run: exit 1
\ No newline at end of file