From c6ee596cbd5abafc7c734de43b908405878ddac3 Mon Sep 17 00:00:00 2001
From: Shawn Wallis <shawn.p.wallis@gmail.com>
Date: Sat, 10 Apr 2021 14:44:09 -0400
Subject: [PATCH] fix: pipeline workflow pre-commit step

---
 .github/workflows/pipeline.yaml | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/pipeline.yaml b/.github/workflows/pipeline.yaml
index ead32b4..075f016 100644
--- a/.github/workflows/pipeline.yaml
+++ b/.github/workflows/pipeline.yaml
@@ -23,6 +23,11 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@v2
 
+      - name: Checkout master and PR branch
+        run: |
+          git fetch --no-tags --depth=1 origin +refs/heads/${{ github.base_ref }}
+          git fetch --no-tags --depth=1 origin ${{ github.sha }}
+
       - name: Setup Python
         uses: actions/setup-python@v2
         with:
@@ -53,9 +58,7 @@ jobs:
 
       - name: Run pre-commit
         if: github.event_name == 'pull_request'
-        run: |
-          git fetch origin master:master
-          poetry run pre-commit run --from-ref master --to-ref HEAD
+        run: poetry run pre-commit run --show-diff-on-failure --files $(git diff --name-only --no-ext-diff -z origin/master..HEAD)
 
   test:
     name: 🧪