#! /bin/sh
# See https://stackoverflow.com/a/69193032/7976758

set -e
git config core.sharedRepository group

# Fix group
chgrp -R $1 . # Use desired group name

# Fix file/directory permissions throughout the entire tree
chmod -R ug+rwX . # Please note **uppercase** X

# Make FS to inherit group on creating subdirectories or files
find . -type d -exec chmod g+s '{}' \+

# Git object DB files are read-only
find .git/objects -type f -exec chmod ug=r '{}' \+