manage.sh

#!/bin/sh

set -e


_command_exists_or_exit () {
	if ! type "$1" > /dev/null; then
		echo "$1 not found"
		exit 1
	fi
}

clean_func () {
	# remove virtual environment
	rm -rf "${dest_dir}/venv"
}

database_func () {
	db="${dest_dir}/tumcsbot.db"

	if [ -e "$db" ]; then
		echo "Database ${db} already exists."
		return
	fi

	touch "$db"
	chmod 0600 "$db"
}

migrations_func () {
	"${dest_dir}/src/migrate.py" "${dest_dir}/tumcsbot.db" "${dest_dir}/migrations.sql"
}

mypy_func () {
	_command_exists_or_exit mypy
	mypy --strict "${dest_dir}/src"
}

run_func () {
	# enter virtual environment
	. "${dest_dir}/venv/bin/activate"

	upgrade_requirements_func

	# execute bot
	exec "${dest_dir}/src/main.py" "$@" "${dest_dir}/zuliprc" "${dest_dir}/tumcsbot.db"
}

static_analysis_func () {
	_command_exists_or_exit pylint
	# Disable some checks.
	pylint --overgeneral-exceptions=BaseException \
		--min-similarity-lines=100 \
		--no-docstring-rgx='.*' \
		--good-names-rgxs='[a-z],[a-z][a-z]' \
		--disable=C0114,W0702 \
		--exit-zero \
		"${dest_dir}/src"
	mypy_func
}

test_func () {
	# enter virtual environment
	. "${dest_dir}/venv/bin/activate"

	# execute tests
	exec python3 -m unittest discover --start-directory "${dest_dir}/src"
}

upgrade_requirements_func () {
	# upgrade all requirements
	pip3 install -U -r "${dest_dir}/requirements.txt"
}

virtualenv_func () {
	# create virtual environment
	python3 -m venv "${dest_dir}/venv"

	# enter virtual environment
	. "${dest_dir}/venv/bin/activate"

	# install dependecies
	pip3 install -r "${dest_dir}/requirements.txt"

	# exit virtual environment
	deactivate

	printf '\n\n%s\n\n' '########################################'
	printf '%s' 'TODO for you: Please install the zuliprc for this bot.'
	printf '\n\n%s\n\n\n' '########################################'
}


cmd="$1"
# Always use absolute file names.
dest_dir=$(realpath "$2")
shift 2

if ! [ -d "$dest_dir" ]; then
	if [ -d "$dest_dir" ]; then
		echo "error: ${dest_dir} is not a directory"
	fi
	mkdir "$dest_dir"
fi

case "$cmd" in
	'clean')
		clean_func "$@"
		;;
	'database')
		database_func "$@"
		;;
	'migrations')
		migrations_func "$@"
		;;
	'mypy')
		mypy_func "$@"
		;;
	'run')
		run_func "$@"
		;;
	'static_analysis')
		static_analysis_func "$@"
		;;
	'tests')
		test_func "$@"
		;;
	'upgrade_requirements')
		upgrade_requirements_func "$@"
		;;
	'virtualenv')
		virtualenv_func "$@"
		;;
	*)
		echo "command not found: $cmd"
		exit 1
		;;
esac