Instruct Time Machine to exclude some development directories

timemachine_exclude_dev_dirs.sh

#!/usr/bin/env bash

# This simple bash script is aimed at excluding some development specific directories.
#
# In this configuration it will instruct Time Machine to exclude directories named:
# - env
# - node_modules
# - vendor
# - venv
#
# Feel free to update this array to your own needs.
EXCLUDED_DIRECTORIES=( "env" "node_modules" "vendor" "venv" )

WORK_DIR=$(dirname "${BASH_SOURCE[0]}")
WORK_DIR=$(realpath "${WORK_DIR}")

for EXCLUDED_DIRECTORY in "${EXCLUDED_DIRECTORIES[@]}"; do
    find ${WORK_DIR} -maxdepth 2 -type d -name ${EXCLUDED_DIRECTORY} -prune -exec tmutil addexclusion {} \;
done