From 5d824d7d7b6168a650169897c85d595b786db13f Mon Sep 17 00:00:00 2001
From: Ricardo Abreu <ricardo.abreu@canonical.com>
Date: Tue, 3 Dec 2024 12:27:07 +0000
Subject: [PATCH] [ci] Check whitespace on PRs

---
 .github/actions/whitespace/action.yml | 13 +++++++++++++
 .github/workflows/linux.yml           |  3 +++
 2 files changed, 16 insertions(+)
 create mode 100644 .github/actions/whitespace/action.yml

diff --git a/.github/actions/whitespace/action.yml b/.github/actions/whitespace/action.yml
new file mode 100644
index 0000000000..8c0aaa9b01
--- /dev/null
+++ b/.github/actions/whitespace/action.yml
@@ -0,0 +1,13 @@
+name: Whitespace
+description: Run Whitespace steps
+
+runs:
+  using: composite
+  steps:
+    - name: Check for bad whitespace changes
+      shell: bash
+      run: |
+        set -e -o pipefail
+
+        # On pull requests, HEAD^1 will always be the merge base
+        git diff --check HEAD^1
\ No newline at end of file
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 578af89107..db86d9cad3 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -28,6 +28,9 @@ jobs:
       with:
         fetch-depth: 2
 
+    - name: Check whitespace
+      uses: ./.github/actions/whitespace
+
     - name: Lint the code
       uses: ./.github/actions/lint