From 014f50ba630669e41d861d8274d1383a1e50791d Mon Sep 17 00:00:00 2001
From: Jacob Grossbard <jacobgrossbard@gmail.com>
Date: Mon, 7 Feb 2022 17:20:59 -0800
Subject: [PATCH] Add action to automatically apply Black (#30)

---
 .github/workflows/format-pr.yml | 36 +++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 .github/workflows/format-pr.yml

diff --git a/.github/workflows/format-pr.yml b/.github/workflows/format-pr.yml
new file mode 100644
index 0000000..19bd77e
--- /dev/null
+++ b/.github/workflows/format-pr.yml
@@ -0,0 +1,36 @@
+name: Format PR
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  format:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Configure git
+      run: |
+        git config user.name "Github Actions Bot"
+        git config user.email "<>"
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: "3.8"
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install black
+    - name: Format with Black
+      run: |
+        black .
+    - name: Commit formatted code
+      run: |
+        git update-index --refresh
+        git add .
+        if ! git diff-index --quiet HEAD -- ; then
+          git commit -m "Format with Black"
+          git push
+        fi