From 13885968e3e79eda93dd88454acd00c0ac2ec672 Mon Sep 17 00:00:00 2001
From: kpj <kim.philipp.jablonski@gmail.com>
Date: Sun, 27 Feb 2022 15:21:09 +0100
Subject: [PATCH] Add GitHub Actions workflow to check black formatting

---
 .../workflow-scripts/check-trailing-newline   | 37 -------------------
 .../check-trailing-whitespace                 | 26 -------------
 .github/workflows/ci.yml                      | 15 ++++----
 3 files changed, 7 insertions(+), 71 deletions(-)
 delete mode 100755 .github/workflow-scripts/check-trailing-newline
 delete mode 100755 .github/workflow-scripts/check-trailing-whitespace

diff --git a/.github/workflow-scripts/check-trailing-newline b/.github/workflow-scripts/check-trailing-newline
deleted file mode 100755
index 6973a5e3e..000000000
--- a/.github/workflow-scripts/check-trailing-newline
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/bin/bash
-
-# Verify that all text files end in a trailing newline.
-
-# Exit on first failing command.
-set -e
-
-# Exit on unset variable.
-set -u
-
-success=0
-
-function is_plaintext_file() {
-  local file="$1"
-  if [[ $file == *.svg ]]; then
-    echo ""
-    return
-  fi
-  file --brief "${file}" | grep text
-}
-
-# Split strings on newlines.
-IFS='
-'
-for file in $(git ls-files)
-do
-  if [[ -z $(is_plaintext_file "${file}") ]]; then
-    continue
-  fi
-
-  if ! [[ -z "$(tail -c 1 "${file}")" ]]; then
-    printf "File must end in a trailing newline: %s\n" "${file}" >&2
-    success=255
-  fi
-done
-
-exit "${success}"
diff --git a/.github/workflow-scripts/check-trailing-whitespace b/.github/workflow-scripts/check-trailing-whitespace
deleted file mode 100755
index fe7a2bdd6..000000000
--- a/.github/workflow-scripts/check-trailing-whitespace
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/bash
-
-# Check for trailing whitespace at end of lines.
-
-# Exit on first failing command.
-set -e
-# Exit on unset variable.
-set -u
-
-FOUND_TRAILING_WHITESPACE=0
-
-while read -r line; do
-  if grep \
-    "\s$" \
-    --line-number \
-    --with-filename \
-    --binary-files=without-match \
-    --exclude="*.svg" \
-    --exclude="*.eps" \
-    "${line}"; then
-    echo "ERROR: Found trailing whitespace" >&2;
-    FOUND_TRAILING_WHITESPACE=1
-  fi
-done < <(git ls-files)
-
-exit "${FOUND_TRAILING_WHITESPACE}"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 13dc2c74c..38a4754f3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -81,20 +81,19 @@ jobs:
         run: |
           cd src/
           pycodestyle
-  whitespace:
+  formatting:
     runs-on: ubuntu-20.04
     steps:
       -
         name: Checkout
         uses: actions/checkout@v2
       -
-        name: Ensure there are no trailing spaces
-        run: |
-          .github/workflow-scripts/check-trailing-whitespace
-      -
-        name: Ensure all text files end with a trailing newline
-        run: |
-          .github/workflow-scripts/check-trailing-whitespace
+        name: Run black
+        uses: psf/black@stable
+        with:
+          options: "--check --diff --verbose"
+          src: "./src"
+          version: "22.1.0"
 
   tests:
     runs-on: ubuntu-20.04