From b36ae0a684d1506868ab3d97d4530857bb2341e0 Mon Sep 17 00:00:00 2001
From: Edoardo Zoni <ezoni@lbl.gov>
Date: Fri, 15 Nov 2024 16:38:13 -0800
Subject: [PATCH] Try new workflow to check files

---
 .github/workflows/check_diff.yml | 29 +++++++++++++++++++++++++++++
 .github/workflows/cuda.yml       |  9 ++++++---
 2 files changed, 35 insertions(+), 3 deletions(-)
 create mode 100644 .github/workflows/check_diff.yml

diff --git a/.github/workflows/check_diff.yml b/.github/workflows/check_diff.yml
new file mode 100644
index 00000000000..8c0dd8ba12d
--- /dev/null
+++ b/.github/workflows/check_diff.yml
@@ -0,0 +1,29 @@
+name: Check changed files
+
+on:
+  pull_request:
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.head_ref }}-checkdiff
+  cancel-in-progress: true
+
+jobs:
+  check_diff:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Get changed files
+        run: |
+          git diff --name-only --diff-filter=ACMRTUXB ${GITHUB_BASE_REF}..${GITHUB_HEAD_REF} > check_diff.txt
+      - name: Check changed files
+        run: |
+          if grep -v -E "^(docs|\.github)/" check_diff.txt; then
+            echo "skip=false" >> ${GITHUB_OUTPUT}
+          else
+            echo "skip=true" >> ${GITHUB_OUTPUT}
+          fi
+    outputs:
+      skip: ${{ steps.check.outputs.skip_workflows }}
diff --git a/.github/workflows/cuda.yml b/.github/workflows/cuda.yml
index 2209f425d1f..e34edee2e2d 100644
--- a/.github/workflows/cuda.yml
+++ b/.github/workflows/cuda.yml
@@ -5,6 +5,9 @@ on:
     branches:
       - "development"
   pull_request:
+  workflow_run:
+    workflows: [Check changed files]
+    types: [completed]
 
 concurrency:
   group: ${{ github.ref }}-${{ github.head_ref }}-cuda
@@ -18,7 +21,7 @@ jobs:
   build_nvcc:
     name: NVCC 11.3 SP
     runs-on: ubuntu-20.04
-    if: github.event.pull_request.draft == false
+    if: ${{ github.event.pull_request.draft == false && github.event.workflow_run.outputs.skip == "false" }}
     env:
       CXXFLAGS: "-Werror"
       CMAKE_GENERATOR: Ninja
@@ -110,7 +113,7 @@ jobs:
   build_nvcc_gnumake:
     name: NVCC 11.8.0 GNUmake
     runs-on: ubuntu-20.04
-    if: github.event.pull_request.draft == false
+    if: ${{ github.event.pull_request.draft == false && github.event.workflow_run.outputs.skip == "false" }}
     steps:
     - uses: actions/checkout@v4
     - name: install dependencies
@@ -144,7 +147,7 @@ jobs:
   build_nvhpc24-1-nvcc:
     name: NVHPC@24.1 NVCC/NVC++ Release [tests]
     runs-on: ubuntu-20.04
-    if: github.event.pull_request.draft == false
+    if: ${{ github.event.pull_request.draft == false && github.event.workflow_run.outputs.skip == "false" }}
     #env:
     #  # For NVHPC, Ninja is slower than the default:
     #  CMAKE_GENERATOR: Ninja