godot/misc/scripts/black_format.sh

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#!/usr/bin/env bash
# This script runs black on all Python files in the repo.
set -uo pipefail
# Apply black.
echo -e "Formatting Python files..."
PY_FILES=$(git ls-files -- '*SConstruct' '*SCsub' '*.py' ':!:.git/*' ':!:thirdparty/*')
black -l 120 $PY_FILES
diff=$(git diff --color)
# If no diff has been generated all is OK, clean up, and exit.
if [ -z "$diff" ] ; then
printf "Files in this commit comply with the black style rules.\n"
exit 0
fi
# A diff has been created, notify the user, clean up, and exit.
printf "\n*** The following differences were found between the code "
printf "and the formatting rules:\n\n"
echo "$diff"
printf "\n*** Aborting, please fix your commit(s) with 'git commit --amend' or 'git rebase -i <hash>'\n"
exit 1